Site log - Melbourne (February 1999)

Flags:

1- Satellite coincidence data
2- Non-Satellite coincidence but still present in products
A- Major problem (moderate to strong AP &/or widespread coverage)
B- Minor problem (weak AP &/or very litte coverage)

*****************************************************************************************

01 Feb 99:    Day starts with large area of weak to moderate stratiform precipitation
              moving predominantly onshore although motion of cellular components is
              slightly haphazard.  Coverage of precipitation wanes near midday but 
              increases and becomes more convective in nature after 13Z.  By 18Z, a
              line of weak convection moves into range from the northwest, coupled
              with a strong cell just east of the radar.  Convection intensifies 
              and moves out over the Atlantic as the day closes.

              Data processed:  0000-2356 UTC

              Satellite Coincidence:  0028Z(5 km), 0205Z(658 km), 0342Z(742 km),
                                      0519Z(240 km), 2316Z(428 km)

              QC notes:  0000-2356Z: removal of light precipitation
                              ---->  corrected

                              1148Z: bad (incomplete) volume scan
                              ---->  corrected by moving vos to bad_files_not_in_1C.hdf
                                     directory

***************************************************************************************** 

02 Feb 99:    Strong convection over Atlantic remains quasi-stationary and persists 
              until finally moving out of range after 12Z.  At this time, another
              impulse of precipitation enters the radar's range from the west.  By
              18Z, a more impressive, weakly-organized line of convection enters the
              radar scope from the west.  Convection holds together and intensifies
              slightly as the line moves across central Florida.  By day's end, the
              still-significant convective line has pushed offshore.

              Data processed:  0001-2358 UTC

              Satellite Coincidence:  0052Z(438 km), 0406Z(527 km), 0543Z(268 km),
                                      2340Z(118 km)

              QC notes: 0001-0657Z: removal of light precipitation
                             ---->  corrected

                        1108-1313Z: removal of light precipitation
                             ---->  corrected

                             1214Z: bad (incomplete) volume scan
                             ---->  corrected by moving vos to bad_files_not_in_1C.hdf
                                    directory

                        1833-2258Z: chaff contamination
                             ---->  improved, but most chaff could not be removed without
                                    removing significant precipitation as well...see the
                                    following flags:

    2A       !!FLAG!!        ---->  1833-2023Z: slightly improved, but could not remove
                                    weak/moderate chaff shield NW of radar.

    2B       !!FLAG!!        ---->  2028-2118Z: weak chaff remnants remaining

    2B       !!FLAG!!        ---->  2223-2233Z: weak chaff remnants remaining

                        2223-2228Z: intense AP embedded in precip S of radar
    2A       !!FLAG!!        ---->  could not remove embedded AP...hence the major flag.

******************************************************************************************

03 Feb 99:    Strong squall line over the Atlantic continues to move east early
              on, with all convection associated with system out of range by 08Z. 
              Scattered convection develops ad moves into range from the west after 11Z.
              Cells stream westward, remaining north of the radar and training over the
              same latitudinal region, until dissipating by 15Z.  More impressive 
              convective cells enter the 150 km range from the west after 18Z. Once
              again the activity remains north of Melbourne as the cells track east and
              persist through the end of the day.

              Data processed:  0003-2358 UTC

              Satellite Coincidence:  0117Z(703 km), 0254Z(709 km), 0430Z(136 km),
                                      2228Z(289 km)

              QC notes:  0124-0444Z: chaff contamination NW of radar
   2B         !!FLAG!!        ---->  vastly improved, but not all light chaff could
                                     not be completely removed without removing
                                     significant precip located within 150 km of
                                     the radar.  The flag is issued to note the
                                     presence of occassional weak specks and patches
                                     of chaff which still remain.

                              0845Z: intense AP patch remaining S of radar
                              ---->  corrected

                              2328Z: intense radial spike remnants remaining SSE of 
                                     radar, along Florida's east coast.
                              ---->  corrected

******************************************************************************************       

04 Feb 99:    Strong convection present early on as intense cells along the southern
              edge of an impressive MCS (barely within range of KMLB) moves across
              north Florida.  Several instances of 60+ dB returns evident in some of
              these strong cells.  Convection is all but completely out of range by
              08Z.  No precipitation is present within range for the rest of the day.

              Data processed:  0003-2359 UTC

              Satellite Coincidence:  0004Z(516 km), 0318Z(450 km), 0454Z(407 km),
                                      2252Z(225 km)

              QC notes:  1005-1035Z: weak/moderate/intense AP remaining W of radar
                              ---->  corrected

                         1740-2028Z: chaff contamination (no precip present)
                              ---->  corrected

                         2319-2359Z: chaff and/or AP contamination (no precip present)
                              ---->  corrected

*****************************************************************************************

05 Feb 99:    Only precipitation present on this day is in the form of one or two
              stray showers which wander within range of the radar (very insignificant
              and hardly worth mentioning).

              Data processed:  0004-2351 UTC

              Satellite Coincidence:  0029Z(738 km), 0206Z(665 km), 0342Z(21 km),
                                      2316Z(583 km)

              QC notes:  0004-0213Z: chaff and/or intense AP remaining (no precip present)
                              ---->  corrected

                         1134-1241Z: moderate AP remaining...enhanced bird signature (no
                                     precip present)
                              ---->  corrected

                              1251Z: bad (incomplete) volume scan
                              ---->  corrected by moving vos to bad_files_not_in_1C.hdf 
                                     directory

                         1304-1310Z: moderate AP patch remaining SW of radar (no precip 
                                     present)
                              ---->  corrected

                              1322Z: moderate AP patch remaining SW of radar
                              ---->  corrected

******************************************************************************************

06 Feb 99:    No precipitation present on this day.

              Data processed:  0001-2352 UTC

              Satellite Coincidence:  0230Z(365 km), 0406Z(551 km), 2027Z(620 km),
                                      2204Z(323 km)

              QC notes:       1151Z: weak AP patch remaining
                              ---->  corrected

                         1309-1319Z: weak AP patch remaining 
                              ---->  corrected

                         1339-1418Z: weak AP patch remaining
                              ---->  corrected

                              1924Z: weak AP patch remaining 
                              ---->  corrected

                              1959Z: weak AP patch remaining
                              ---->  corrected

******************************************************************************************

07 Feb 99:    No precipitation present on this day.

              Data processed:  0001-2358 UTC

              Satellite Coincidence:  0117Z(611 km), 0254Z(99 km), 2051Z(32 km),
                                      2228Z(642 km)

              QC notes:  no QC problems

*****************************************************************************************

08 Feb 99:    No precipitation until after 20Z, when a few widely scattered showers
              and a couple convective cores pop up south of the radar (none of the
              precip is terribly significant).

              Data processed:  0008-1758 UTC
                               1956-2353 UTC

              Satellite Coincidence:  0142Z(271 km), 0318Z(702 km), 1939Z(471 km),
                                      2115Z(413 km)

              QC notes:       0027Z: intense AP patch remaining (no precip present)
                              ---->  corrected

                         0444-1511Z: widespread weak/moderate/intense AP and/or sea
                                     clutter remaining (no precip present)
                              ---->  corrected

                         1956-2244Z: chaff contamination N of radar
                              ---->  improved, but could not completely remove all
                                     chaff without removing significant precip as 
                                     well...see the following flags:

  1A         !!FLAG!!         ---->  1956-2007Z: strong patch of chaff remains 

  2A         !!FLAG!!         ---->  2017-2235Z: moderate/intense chaff remains

*****************************************************************************************

09 Feb 99:    Widely scattered convection becomes organized into a line as activity
              pushes out over the Atlantic after 06Z.  Convection from quasi-
              stationary line remains within range until 17Z, afterwhich no 
              significant precip is located withing range thorugh the end of the day.

              Data processed:  0003-2359 UTC

              Satellite Coincidence:  0029Z(547 km), 0206Z(229 km), 2003Z(84 km),
                                      2140Z(690 km), 2317Z(720 km)

              QC notes:       1206Z: bad (incomplete) volume scan
                              ---->  corrected by moving vos to bad_files_not_in_1C.hdf
                                     directory

                         1207-1327Z: horrifically intense AP remains W of radar
                              ---->  much improved, but not all intense AP could be
                                     removed without removing precip as well...see the
                                     following flags:

  2A          !!FLAG!!        ---->  1207-1227Z: intense AP patch remains W of radar

  2A          !!FLAG!!        ---->  1237Z: intense AP patch remains WSW of radar

  2A          !!FLAG!!        ---->  1252Z: intense AP patch remains W of radar

  2A          !!FLAG!!        ---->  1302-1307Z: intense AP patch remains SW of radar

  2A          !!FLAG!!        ---->  1317-1322Z: intense AP patch remains SW of radar

                         1337-1352Z: scattered weak/moderate AP remaining
                              ---->  corrected

                         2054-2354Z: horrifically intense AP SSE of radar (along
                                     Florida coast)....no precip present
                              ---->  corrected

****************************************************************************************

10 Feb 99:    Early on, one lone, weak, convective cell exists south of the radar which
              dissipates by 06Z.  New, more impressive, convection develops over the
              Atlantic and, as has been the recent trend, organizes into a thin line.
              This convection all but completely moves out of range by 13Z.  Widely
              scattered cells develop at hit-or-miss locations throughout the scope, but 
              a more impressive convective system reaches the furthermost western
              radar range by day's end.

              Data processed:  0004-2358 UTC

              Satellite Coincidence:  0053Z(168 km), 1851Z(332 km), 2027Z(492 km),
                                      2341Z(475 km)

              QC notes:  0039-0044Z: weak AP patch remaining S of radar
                              ---->  corrected

                         0059-0134Z: weak patches of AP remaining S and N of radar
                              ---->  corrected

                              0159Z: moderate AP patch remaining W of radar
                              ---->  corrected

                              0433Z: patch of weak chaff remains NW of radar (no precip
                                     present)
                              ---->  corrected

                              0502Z: patch of weak chaff remains NW of radar
                              ---->  corrected

                              1208Z: bad (incomplete) volume scan
                              ---->  corrected by moving vos to bad_files_not_in_1C.hdf 
                                     directory

                         1853-1918Z: weak/moderate/intense AP remains just N of radar
                              ---->  corrected

                         1933-1943Z: moderate AP patch remains immediately SSE of radar
                              ---->  corrected

******************************************************************************************

11 Feb 99:    A few, small, widely scattered convective cells present (mainly over the
              ocean) throughout the day.

              Data processed:  0003-2356 UTC

              Satellite Coincidence:  0117Z(363 km), 1915Z(194 km), 2052Z(728 km),
                                      2228Z(679 km)

              QC notes:  0033-0048Z: moderate AP remaining W to NW of radar
                              ---->  all but completely corrected.  See the following
                                     flag for information on contamination that still
                                     exists:

   1A         !!FLAG!!        ---->  0048Z: moderate AP patches remain N and W which
                                     could not be removed without removing precip as
                                     well.

                              0103Z: weak AP patch remaining W of radar
                              ---->  corrected

                         0154-0319Z: scattered weak AP specks remaining W of radar
                              ---->  corrected

                         0324-0449Z: intense AP remaining W and N of radar
                              ---->  improved, but intense AP could not be completely
                                     removed without removing precip as well...see
                                     the following flags:

   2A         !!FLAG!!        ---->  0324-0339Z: intense AP patch remains WNW of radar

   2A         !!FLAG!!        ---->  0354-0414Z: intense AP remaining NW of radar
   
   2A         !!FLAG!!        ---->  0419-0449Z: intense AP remaining N and NW of radar
  
                         0454-0504Z: weak/moderate AP WSW of radar
                              ---->  corrected

                              0543Z: moderate AP patch remaining WSW of radar
                              ---->  corrected

                              0642Z: moderate AP specks remaining W of radar
                              ---->  corrected

                         1322-1421Z: scattered weak/moderate AP remaining
                              ---->  corrected

*****************************************************************************************

12 Feb 99:    A broken, unorganized line of weak convection quickly weakens and 
              dissipates soon after the start of the day.  Sparse showers are the rule
              until after 18Z, when the wind shifts to a more southerly and southwesterly
              direction and convection quickly develops over Florida.  Strong convection
              persists through the end of the day.

              Data processed:  0001-2359 UTC

              Satellite Coincidence:  0005Z(57 km), 1803Z(196 km), 1939Z(564 km),
                                      2253Z(391 km)

              QC notes:  0001-0222Z: scattered weak AP remaining W of radar
                              ---->  corrected

                         0227-0307Z: scattered weak AP remaining W of radar (no precip)
                              ---->  corrected

                         0312-0512Z: scattered weak AP/CAE remaining W of radar
                              ---->  corrected

                              1224Z: bad (incomplete) volume scan
                              ---->  corrected by moving vos to bad_files_not_in_1C.hdf
                                     directory

*****************************************************************************************

13 Feb 99:    Strong, but loosely organized convective clusters present over Florida
              at the start of the day.  The Convection moves out over the Atlantic and 
              quickly organizes into a strong squall line as it continues to move out
              of range.  A secondary line develops behins the initial convective line,
              putting out an impressive gust front as it too progresses eastward and
              out of range.  All convection is out of range by 1130Z, leaving no 
              precipitation for the rest of the day.

              Data processed:  0004-2358 UTC

              Satelliite Coincidence:  0029Z(507 km), 1650Z(665 km), 1827Z(293 km),
                                       2140Z(629 km), 2317Z(61 km)

              QC notes:       0315Z: moderate AP patch remaining W of radar
                              ---->  corrected

                         0425-0430Z: weak/moderate/intense AP remaining N of radar
  2B          !!FLAG!!        ---->  Vos 0425Z is completely corrected but could not
                                     remove weak AP present in vos 0439Z without
                                     removing significant precip as well
         
                         0445-0500Z: weak/moderate/intense AP remaining N of radar
                              ---->  improved, but some AP remains which could not
                                     be removed without removing significant precip
                                     as well...see the following flag:

  2A          !!FLAG!!        ---->  0450-0500Z: intense AP speck remains N of radar

                              1234Z: bad (incomplete) volume scan
                              ---->  corrected by moving vos to baf_files_not_in_1C.hdf
                                     directory

*****************************************************************************************

14 Feb 99:    No precipitation present on this day.

              Data processed:  0009-2356 UTC

              Satellite Coincidence:  1714Z(72 km), 1851Z(624 km), 2204Z(302 km),
                                      2341Z(654 km)

              QC notes:  no QC problems on this day

****************************************************************************************

15 Feb 99:    No precipitation present on this day.

              Data processed:  0002-2358 UTC

              Satellite Coincidence:  1602Z(517 km), 1738Z(385 km), 2052Z(568 km),
                                      2228Z(188 km)

              QC notes:  1209-1219Z: weak AP remaining S of radar
                              ---->  corrected

                         1921-2030Z: moderate spurious echo remaining W of radar. 
                                     False echo has appearance of precipitation but 
                                     convinced it is spurious.  Echoes develop from a
                                     point-source similar to more definitive smokestack
                                     signal commonly seen at this time of the day.  
                                     Believe echoes on this day are a weaker version
                                     of the smokestack signal, although I still do not
                                     know what is causing these echoes.  Satellite 
                                     imagery at this time shows clear skies.
                              ---->  corrected

                              2158Z: weak spurious echo remaining W of radar
                              ---->  corrected

******************************************************************************************

16 Feb 99:    Widely scattered, weak showers persist off Florida's east coast throughout
              the day.

              Data processed:  0004-2353 UTC

              Satellite Coincidence:  1626Z(49 km), 1802Z(676 km), 1939Z(731 km),
                                      2116Z(201 km) 

              QC notes:  0029-0034Z: moderate AP patch remaining (no precip present)
                              ---->  corrected

                         0044-0209Z: scattered moderate/intense AP patches remaining
                                     (no precip present)
                              ---->  corrected

                         0228-0436Z: removal of light pecipitation
                              ---->  corrected

                         0505-0515Z: horrifically intense AP remaining W of radar
                              ---->  corrected

                              1237Z: bad (incomplete) volume scan
                              ---->  corrected by moving vos to bad_files_not_in_1C.hdf
                                     directory

                         1422-2353Z: removal of light precipitation
                              ---->  precip removal problem was corrected by slackening QC
                                     parameters.  Unfortunately, this weaker parameter
                                     setting allowed for some spurious echoes to be 
                                     reintroduced or curtailed any attempts to remove
                                     existing spurious echoes.  See the following flags:

   2B         !!FLAG!!        ---->  1511-1551Z: weak AP patch remaining N of radar.
                                     Could not remove AP without removing precip as well.

   1A         !!FLAG!!        ---->  1600-1651Z: moderate AP patch remaining N of radar
                                     which could not be removed without removing precip as
                                     well.

   2A         !!FLAG!!        ---->  1700-1720Z: moderate AP patch remaining N of radar 
                                     which could not be removed without removing precip as
                                     well.

   1A         !!FLAG!!        ---->  1730-1829Z: moderate/intense AP patch N of radar as
                                     well as moderate spurious smokestack signal W of radar
                                     which could not be removed without removing precip as
                                     well.

   2A         !!FLAG!!        ---->  1839-1908Z: moderate/intense AP patch N of radar as 
                                     well as moderate spurious "smokestack signal" W of
                                     radar which could not be removed without removing
                                     precip as well.

   1A         !!FLAG!!        ---->  1918-2007Z: intense AP patch remaining N of radar as
                                     well as moderate spurious "smokestack signal" W of
                                     radar which could not be removed without removing
                                     precip as well.

   2A         !!FLAG!!        ---->  2017-2036Z: moderate AP patch remaining N of radar
                                     which could not be removed without removing precip
                                     as well.

   1A         !!FLAG!!        ---->  2046-2116Z: moderate AP patch remaining N of radar
                                     which could not be removed without removing precip
                                     as well.

                         1957-2353Z: chaff contamination
 1A,2A        !!FLAG!!        ---->  since QC parameters already had to be decreased to
                                     allow light precip to be re-instated to the field of
                                     view, there was no chance to remove this chaff
                                     contamination.  Chaff remains and vos's are flagged.
   
*******************************************************************************************

17 Feb 99:    Scattered convection present of Florida's east coast during much of the day.
              A few showers pop up over land by day's end.

              Data processed:  0004-2356 UTC

              Satellite Coincidence:  1513Z(375 km), 1650Z(468 km), 2004Z(499 km),
                                      2140Z(319 km)

              QC notes:  0004-0330Z: abundant chaff remaining (no precip present)
                              ---->  corrected

                         0339-0508Z: chaff present N of radar
                              ---->  improved, but almost all the vos's during this period
                                     still contain weak chaff which could not be removed
                                     without removing the small convective cores also  
                                     present...see the followinf flag:

    2A        !!FLAG!         ---->  0339-0438Z: large area of weak chaff still remains NE

    2B        !!FLAG!!        ---->  0448-0458Z: small patch of weak chaff remains

                              1310Z: horrifically intense AP remaining W of radar
    2A+       !!FLAG!!        ---->  slightly improved, but bulk of very intense AP remains
                                     and could not be removed without removing light to
                                     moderate precipitation as well.

                         1315-1325Z: moderate AP patch remaining WNW of radar
                              ---->  corrected

                         1355-1415Z: weak/moderate/intense AP remaining WNW of radar
                              ---->  could not remove AP patch without removing light precip
                                     as well...see the following flags:

    2B        !!FLAG!!        ---->  1355Z: weak AP patch remaining NW of radar

    2A        !!FLAG!!        ---->  1400-1410Z: moderate AP patch remaining NW of radar

                         1801-2336Z: chaff remaining N of radar
                              ---->  improved, but much of the chaff still remains and could
                                     not be removed without removing precip as well...see
                                     the following flags:

    2B        !!FLAG!!        ---->  1827-1931Z: weak chaff patches remaining N of radar

    1B        !!FLAG!!        ---->  1936-2016Z: weak chaff patches remaining N of radar

    1B        !!FLAG!!        ---->  2031Z: weak chaff patches remaining N of radar

    2B        !!FLAG!!        ---->  2036-2106Z: weak chaff remaining N of radar

    1B        !!FLAG!!        ---->  2111-2206Z: weak chaff remaining N of radar

    2B        !!FLAG!!        ---->  2211-2241Z: weak chaff remaining N of radar

                              1822Z: bad volume scan where large sector missing E of radar 
                              ---->  corrected by moving vos to bad_files_not_in_1C.hdf
                                     directory

                         1921-1931Z: moderate "prescribed-burn" remnants remaining W of radar
    2A         !!FLAG!!       ---->  could not remove moderately-intense, vertically extended
                                     burn echoes without removing precip as well.

                         2031-2151Z: removal of light precipitation just W of radar
                              ---->  corrected

********************************************************************************************

18 Feb 99:    Weak convection scattered about the scope early on.  By 03Z, more significant 
              storms develop off the east coast of Florida.  These cells move out of range
              by 08Z, but another disturbance producing weak to moderate precipitation
              moves into range from the west at about the same time.  Precipitation west
              of the radar dissipates but strong storms once again develop over the 
              Atlantic by 11Z.  All convection east of radar is out of range by 15Z.  
              A few widely scattered, but relatively intense, conbvective cells develop
              over Florida and the Atlantic and persist through the end of the day.

              Data processed:  0002-2355 UTC

              Satellite Coincidence:  1537Z(157 km), 1714Z(716 km), 1851Z(694 km),
                                      2027Z(96 km)

              QC notes:  0002-0627Z: chaff contamination remaining
    2B        !!FLAG!!        ---->  much improved, but small patches of weak chaff
                                     still exist within 150 km of the radar.  This
                                     remaining chaff could not be removed without 
                                     removing significant precip as well.

                         0808-1314Z: chaff contamination remaining N of radar
    2B        !!FLAG!!        ---->  very much improved, but scattered patches of 
                                     weak chaff still exist within 150 km of the radar.
                                     This chaff could not be removed without removing
                                     significant precip as well...hence the flag

                         1750-1900Z: weak/moderate fire echoes remaining W of radar
                              ---->  improved in that the coverage of the fire echo 
                                     patch was successfully reduced.  However, the 
                                     spurious echo could not be completely removed.
                                     Luckily, the remaining fire echoes are weak.
                                     See the following flags: 

    2B        !!FLAG!!        ---->  1750-1820Z: weak patch of fire echo remains

    1B        !!FLAG!!        ---->  1825-1900Z: weak patch of fire echo remains

                         2220-2350Z: chaff contamination remaining N of radar
                              ---->  much improved, but some vos's still contain
                                     chaff which could not be removed without removing
                                     significant precip as well...see the following 
                                     flags:

    2B        !!FLAG!!        ---->  2250-2300Z: weak patch of chaff remaining NE 
                                     of radar

    2B        !!FLAG!!        ---->  2310-2330Z: weak patches of chaff remaining NE
                                     of radar

********************************************************************************************

19 Feb 99:    Scattered strong convection present off the coast at the start of the day
              but this activity quickly moves out of range, leaving little or no significant
              precipitation for the rest of the day.

              Data processed:  0001-2358 UTC

              Satellite Coincidence:  1425Z(242 km), 1601Z(540 km), 1915Z(421 km),
                                      2051Z(457 km)

              QC notes:  0146-0216Z: weak chaff remaining N of radar
                              ---->  corrected

                         0246-0306Z: weak chaff remaining N of radar
                              ---->  corrected

                         0311-0326Z: weak chaff remaining N of radar (no precip present)
                              ---->  corrected

                              0600Z: intense AP patch remaining W of radar (no precip)
                              ---->  corrected

                         1743-2111Z: weak chaff and/or burn echo remnants remaining (no
                                     precip present)
                              ---->  corrected

********************************************************************************************

20 Feb 99:    No precipitation present on this day.

              Data processed:  0009-2354 UTC

              Satellite Coincidence:  1313Z(719 km), 1449Z(259 km), 1626Z(747 km),
                                      1802Z(647 km), 1939Z(19 km)

              QC notes:  0009-0226Z: chaff contamination remaining (no precip present)
                              ---->  corrected

******************************************************************************************** 

21 Feb 99:    Large shield of weak, moderate, and shallow precipitation moves into range
              from the NW after 13Z.  Precipitation drifts south during the rest of the 
              day as shield of weak showers persists.

              Data processed:  0005-1531 UTC
                               1642-2358 UTC

              Satellite Coincidence:  1336Z(116 km), 1513Z(603 km), 1826Z(336 km),
                                      2003Z(598 km)

              QC notes:  0956-1002Z: widespread intense AP remaining (no precip present)
                              ---->  corrected

                         1432-2358Z: holes and gaps in light precipitation
                              ---->  corrected

******************************************************************************************** 

22 Feb 99:    Band of light showers continues to drop south and eventually out of range
              during the first part of the day.  OTher than some scattered showers which 
              persist for much of the time before 12Z, little precip over the rest of the 
              day.

              Data processed:  0004-1714 UTC
                               1918-2355 UTC

              Satellite Coincidence:  1224Z(575 km), 1400Z(350 km), 1714Z(593 km),
                                      1850Z(136 km)

              QC notes:  0004-0338Z: removal of light precipitation
                              ---->  precip removal problem corrected but unfortunately
                                     some weak AP was reintroduced which could not be
                                     removed without removing precip as well...see the
                                     following flag:

   2B         !!FLAG!!        ---->  0159-0223Z: weak AP patch remaining NNW of radar

                         1918-2152Z: chaff contamination remaining S of radar
                              ---->  corrected

                              2306Z: burn echo remnants remaining (no precip present)
                              ---->  corrected

********************************************************************************************

23 Feb 99:    No precipitation until after 18Z, when scattered light showers develop off
              Florida's east coast, southeast of Melbourne.  Precip is not significant 
              and pales in comparison to the shield of chaff which moves into range near 
              the close of the day.

              Data processed:  0005-1302 UTC
                               1622-2356 UTC

              Satellite Coincidence:  1248Z(4 km), 1424Z(657 km), 1601Z(742 km),
                                      1738Z(241 km), 1914Z(749 km)

              QC notes:       1628Z: moderate burn echo remnants remaining SSW of radar
                              ---->  corrected

                         1659-1705Z: moderate burn echo remnants remaining N of radar
                              ---->  corrected

                              1748Z: moderate burn echo remnants remaining SW of radar
                              ---->  corrected

                         1832-2356Z: removal of light precipitation
                              ---->  precip removal problem corrected but unfortunately the
                                     reduction of QC parameters has allowed some 
                                     non-precipitating echoes to remain as well...see the 
                                     following flags:

    2B        !!FLAG!!        ---->  2020-2119Z: weak burn echo remnants remaining near
                                     radar which can not be removed with parameters set so
                                     low to accommodate light precipitation

    2A        !!FLAG!!        ---->  2129-2326Z: moderate burn echo remnants remaining
                                     near radar

                         2227-2356Z: chaff present N of radar
    2A        !!FLAG!!        ---->  could not remove any chaff since QC parameters have 
                                     already been greatly reduced to accommodate light
                                     precipitation.

********************************************************************************************

24 Feb 99:    A line of weak showers and convection persists off Florida's east coast 
              until roughly 09Z when it is no longer within range of the radar.  The 
              rest of the day is precipitation-free.

              Data processed:  0006-2359 UTC

              Satellite Coincidence:  1135Z(429 km), 1312Z(437 km), 1625Z(526 km),
                                      1802Z(268 km)

              QC notes:  0006-0530Z: removal of light precipitation
                              ---->  corrected

                         0006-0501Z: chaff remaining N of radar
                              ---->  since QC parameters had to be slackened to reinstitute
                                     light precip (see previous QC note), chaff was 
                                     extremely difficult to remove.  See the following flags:

    2A        !!FLAG!!        ---->  0006-0214Z: abundant chaff remaining which could not be
                                     removed without removing light precip as well.

    2B        !!FLAG!!        ---->  0224-0422Z: small patches of weak chaff remaining

                              1024Z: weak radial spike remnants remaining (no precip present)
                              ---->  corrected

                              1044Z: weak radial spike remnants remaining (no precip present)
                              ---->  corrected

                         1103-1113Z: moderate radial spike remaining (no precip present)
                              ---->  corrected

                         1241-1400Z: scattered weak AP remaining (no precip present)
                              ---->  corrected

                              1727Z: moderate burn echo remaining (no precip present)
                              ---->  corrected

                              1756Z: moderate burn echo remaining (no precip present)
                              ---->  corrected

                         1816-1855Z: moderate burn echo remaining (no precip present)
                              ---->  corrected

                         1836-2359Z: weak/moderate chaff remaining (no precip present)
                              ---->  corrected

******************************************************************************************** 

25 Feb 99:    No precipitation present on this day.

              Data processed:  0010-2353 UTC

              Satellite Coincidence:  1159Z(116 km), 1336Z(702 km), 1513Z(709 km),
                                      1650Z(137 km)

              QC notes:  0010-0237Z: weak/moderate chaff remaining
                              ---->  corrected

                         1818-2353Z: chaff remaining
                              ---->  corrected

********************************************************************************************

26 Feb 99:    No precipitation present on this day (just abundant chaff)

              Data processed:  0003-2358 UTC

              Satellite Coincidence:  1047Z(294 km), 1223Z(512 km), 1537Z(453 km),
                                      1713Z(401 km)

              QC notes:  0003-0626Z: abundant chaff remaining
                              ---->  corrected

                         0706-0943Z: scattered weak/moderate AP remaining
                              ---->  corrected

                         1140-1259Z: weak/moderate AP remaining
                              ---->  corrected

                         2101-2358Z: chaff and/or burn echo remnants and/or AP remaining
                              ---->  corrected

********************************************************************************************

27 Feb 99:    No precipitation present on this day.

              Data processed:  0008-2353 UTC

              Satellite Coincidence:  1111Z(221 km), 1248Z(737 km), 1424Z(666 km),
                                      1601Z(25 km)

              QC notes:  0008-0018Z: moderate chaff remaining E of radar
                              ---->  corrected

                         0037-0245Z: scattered AP patches remaining
                              ---->  corrected

                              0503Z: weak AP patch remaining W of radar
                              ---->  corrected

                              0740Z: weak AP patch remaining W of radar
                              ---->  corrected

                         0810-0829Z: scattered AP remaining
                              ---->  corrected

                              0908Z: weak AP patch remaining SE of radar
                              ---->  corrected

                              1056Z: moderate AP patch remaining W of radar
                              ---->  corrected

                         1126-1145Z: scattered AP remaining
                              ---->  corrected

                         1344-1443Z: scattered AP remaining
                              ---->  corrected

********************************************************************************************

28 Feb 99:    No precipitation present until after 14Z, when weak showers begin to dance 
              along the 150 km range periphery of the radar.  A broken line of convection 
              moves into range from the northwest.  Line of strong convection moves quickly
              across central Florida, and all convection is out of range by 2230Z.

              Data processed:  0003-2359 UTC

              Satellite Coincidence:  0959Z(161 km), 1135Z(581 km), 1449Z(367 km),
                                      1625Z(547 km)

              QC notes:       0013Z: weak AP patch remaining NW of radar (no precip present)
                              ---->  corrected

                              0042Z: weak AP patch remaining SE of radar (no precip present)
                              ---->  corrected

                         0319-0548Z: scattered AP remaining (no precip present)
                              ---->  corrected

                              1623Z: moderate burn echo remaining NW of radar
                              ---->  corrected

                         2104-2134Z: removal of precipitation along backside of convection 
                              ---->  corrected

*********************************************************************************************