Aikyam-Lab/Synoptic-Bench huggingface dataset:
1023 PM EDT THU AUG 27 2015 HIGH PRESSURE WILL START TO BUILD ACROSS THE NORTHEAST TONIGHT AND FRIDAY.
636 PM CDT THU AUG 27 2015 HIGH PRESSURE WILL MEAN GOOD FLYING CONDITIONS THROUGH THIS PERIOD. CURRENT DEWPOINTS ARE IN THE LOWER TO MIDDLE 60S ACROSS THE AREA AND THESE SHOULD MIX OUT A FEW DEGREES FURTHER. OVERNIGHT DEWPOINT VALUES SHOULD REMAIN IN THE IN THE LOWER TO MIDDLE 60S AND LOW TEMPERATURES SHOULD RESPOND BY DROPPING INTO THE UPPER 60S TO LOWER 70S.
A DEEP AREA OF LOW PRESSURE CENTERED OVER ARIZONA WILL GRADUALLY SHIFT TO THE EAST DURING THE DAY ON THURSDAY. MUCH COOLER AIR TODAY AND THURSDAY WILL RESULT IN TEMPERATURES WELL BELOW NORMAL.
1224 PM EDT WED OCT 21 2015 HIGH PRESSURE WILL EXTEND OVER THE AREA THROUGH THURSDAY.
1143 AM CDT WED OCT 21 2015 THE LONG SPELL OF SEVERAL PREVIOUS WEEKS OF VFR WEATHER TO END DURING THE REMAINDER OF THIS WEEK AS AN UPPER LEVEL LOW CENTERED OVER THE DESERT SW TO SLOWLY MOVE E THROUGH THIS WEEKEND. THIS LOW TO ADVECT MOISTURE FROM THE TROPICS.
1032 AM CDT WED OCT 21 2015 HIGH PRESSURE AT THE SURFACE AND ALOFT ACROSS THE MIDSOUTH TODAY.
1202 PM EDT WED OCT 21 2015 HIGH PRESSURE WILL REMAIN IN CONTROL THROUGH THE END OF THE WEEK. AN UPPER RIDGE WILL CONTINUE BUILDING EAST OVER THE SOUTHEASTERN STATES THIS AFTERNOON WHILE HIGH PRESSURE RIDGES INTO THE REGION AT THE SURFACE.
Expect this to continue to erode as it runs up against the strong east-west oriented ridge that remains in control over the Ohio Valley. Based on trends in low- level thickness, expect max temps a few degrees warmer than yesterday, well in line with current forecast of mid/upper 70s. Upper level ridging is expected to continue across the region as well. Temperatures this morning will start off in the upper 30s to the lower 40s at most locations but then warm into the mid-upper 70s. The coolest readings will be in the east with warmer readings out across the west.
708 AM EDT WED OCT 21 2015 HIGH PRESSURE WILL EXTEND OVER THE AREA THROUGH THURSDAY.
922 AM EDT WED OCT 21 2015 MORNING WATER VAPOR SATELLITE IMAGERY IS SHOWING BROAD MID LEVEL HIGH PRESSURE SPINNING OVER THE WESTERN GULF OF MEXICO.
RIDGING STILL HOLDING FIRM OVER THE TENNESSEE VALLEY THIS MORNING. TEMPERATURES CURRENTLY RANGE FROM THE LOWER TO MID 60S ACROSS MUCH OF THE FORECAST AREA. HIGHER ELEVATIONS OF NORTHEASTERN ALABAMA WILL BE A BIT COOLER WITH HIGHS LIKELY AROUND 70 DEGREES OR IN THE LOWER 70S.
1042 AM EDT WED OCT 21 2015 HIGH PRESSURE REMAINS OVER THE AREA THROUGH THURSDAY. A DRY COLD FRONT CROSSES THE REGION THURSDAY NIGHT. HIGH PRESSURE BUILDS BACK OVER THE AREA FOR THE UPCOMING WEEKEND. ASSOCIATED WITH THIS HIGH. THE COMBINATION OF THE HIGH PRESSURE AND DRY AIR IS LEADING TO CLEAR SKY ACROSS THE AREA SO EXPECT TO SEE SUNSHINE TODAY. THE LOW LEVEL FLOW DOES TURN TO THE SW WHICH WILL ALLOW TEMPERATURES TO CONTINUE TO MODERATE. SO EXPECT TO SEE MOST AREAS TOP OUT IN THE LOW TO MID 70S TODAY. ANTHR MSTLY SUNNY BUT COOLER DAY. HIGH PRESSURE WILL CONTINUE TO DOMINATE THE MID ATLANTIC REGION INTO THE COMING WEEKEND WITH CONDITIONS GENERALLY REMAINING VFR. THE NEXT COLD FRONT DROPS THRU THE AREA LATE THURS NIGHT INTO FRI MORN.
1148 AM EDT WED OCT 21 2015 HIGH PRESSURE SOUTH OF THE REGION WILL MAINTAIN A MILD SOUTHWEST FLOW OVER THE REGION TODAY. A RATHER STRONG COLD FRONT WILL PUSH ACROSS THE REGION THURSDAY AFTERNOON AND EVENING.
/ISSUED 402 AM CDT WED OCT 21 2015/ A DEEP UPPER TROUGH OVER AZ. WITH READINGS INTO THE LOWER TO MID 60S BEGINNING TO WORK NWD INTO THE REGION. AS THIS UPPER LOW MOVES NORTHEAST INTO THE CENTRAL HIGH PLAINS.
723 AM EDT WED OCT 21 2015 HIGH PRESSURE SOUTH OF THE REGION WILL MAINTAIN A MILD SOUTHWEST FLOW OVER THE REGION TODAY. A RATHER STRONG COLD FRONT WILL PUSH ACROSS THE REGION THURSDAY AFTERNOON AND EVENING.
1152 AM CDT WED OCT 21 2015 A COLD FRONT ACROSS WESTERN MINNESOTA EARLY THIS MORNING WILL SWEEP EASTWARD AND BE EAST OF WEST CENTRAL WI BY LATE IN THE MORNING. HIGH PRESSURE WILL SETTLE IN TONIGHT ALONG WITH DIMINISHING WIND EARLY IN THE EVENING. MANY AREAS SHOULD SEE LOWS IN THE LOWER TO MIDDLE 30S.
BRIEF MVFR LIGHT FOG AT LFT OTHERWISE VFR SHOULD BE THE RULE UNDER A CIRRUS CANOPY AS MOISTURE STREAMS OVER A DIRTY RIDGE. A REAL MESS BEGINNING TO TAKE SHAPE AS AN UPPER LEVEL LOW OVER THE SW U.
/ISSUED 439 AM CDT WED OCT 21 2015/ THE WEATHER PATTERN FEATURING A STRONG ANTICYCLONE OVER THE ARKLAMISS IS RELATIVELY UNCHANGED WITH PRECIPITABLE WATER REMAINING NEAR OR BELOW AN INCH. DEEPER MOISTURE IS EXPECTED TO RETURN THURSDAY NIGHT AS THE LOW LEVEL FLOW INCREASES AND BECOMES MORE SOUTHERLY.
634 AM CDT WED OCT 21 2015 HIGH PRESSURE BUILDING IN THIS AM. MIXED DOWN WINDS POTENTIALLY PEAK MID DAY AROUND 20G30KT WITH A WEAKENING GRADIENT THEREAFTER AS THE HIGH SLIDES OVERHEAD THIS AFTERNOON. WILL SEE FAVORABLE RADIATIONAL CONDITIONS TONIGHT AS THE HIGH CONTINUES TO THE SOUTH AND EAST.
A LOW PRESSURE SYSTEM MOVING SLOWLY ACROSS SOUTHERN ARIZONA WILL CONTINUE TO BRING A CHANCE OF SHOWERS AND THUNDERSTORMS THE SOUTHEAST ARIZONA TODAY AND TONIGHT. SKIES ARE PARTLY TO MOSTLY CLOUDY WITH TEMPERATURES THIS MORNING SOME 5 TO 10 DEGREES COOLER THAN THIS TIME YESTERDAY. A LOW PRESSURE SYSTEM WILL BE MOVING ACROSS SRN AZ THRU TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN TODAY AND TONIGHT AS A LOW PRESSURE SYSTEM CONTINUES TO MOVE ACROSS THE AREA.
APPEARS TO BE A MOISTURE SURGE EMBEDDED IN THE LOW LEVEL EASTERLIES THAT WILL LIKELY ACT TO INCREASE COVERAGE OF SHOWERS UPSTREAM OVER THE ATLC AND CONSEQUENTLY FOR ECFL ESPECIALLY ALONG THE EAST COAST.
HIGH PRESSURE. CHATTANOOGA AIRPORT, TN 74 47 77 52 / 0 0 0 0 KNOXVILLE MCGHEE TYSON AIRPORT, TN 72 45 74 50 / 0 0 0 0 OAK RIDGE, TN 73 45 75 50 / 0 0 0 0 TRI CITIES AIRPORT, TN 72 40 74 47 / 0 0 0 0.
1034 AM CDT WED OCT 21 2015 HIGH PRES CNTRD OVER THE CAROLINAS CONTINUES TO RIDGE WEST ACRS THE SOUTH INTO TX. WEAK RIDGING CONTINUES IN THE MID-UPR LVLS HELPING TO LIMIT RAIN CHCS TODAY. BRIEF MVFR LIGHT FOG AT LFT OTHERWISE VFR SHOULD BE THE RULE UNDER A CIRRUS CANOPY AS MOISTURE STREAMS OVER A DIRTY RIDGE. A REAL MESS BEGINNING TO TAKE SHAPE AS AN UPPER LEVEL LOW OVER THE SW U.
910 AM EDT WED OCT 21 2015 HIGH PRESSURE WEAKENING. COLD FRONT SINKS SOUTH THURSDAY NIGHT AND WASHES OUT OVER THE AREA.
A WEAK PACIFIC COLD FRONT WILL SPREAD CLOUDS INTO ERN OREGON TONIGHT AND WRN IDAHO EARLY THURSDAY. AND ARE ASSOCIATED WITH THE LAST VESTIGES OF LIFT AND MOISTURE IN THE NECK OF AN UPPER TROUGH. UPPER LEVEL RIDGE WILL WEAKEN OVER THE AREA WITH A DRY COLD FRONTAL PASSAGE OVER SE OREGON PRE-DAWN THURSDAY AND THROUGH SW IDAHO BEFORE NOON.
718 AM EDT WED OCT 21 2015 HIGH PRESSURE WILL CONTINUE TO BRING A WARMING TREND THROUGH THURSDAY.
931 AM EDT WED OCT 21 2015 HIGH PRESSURE WILL EXTEND OVER THE AREA THROUGH THURSDAY.
831 AM EDT WED OCT 21 2015 HIGH PRESSURE WILL MAINTAIN DRY AND WARM WEATHER UNTIL A COLD FRONT CROSSES ON THURSDAY. TROUGH IS PROGGED TO DEEPEN AS IT DIGS TOWARD EASTERN CANADA AND DRAGS A COLD FRONT ACROSS THE REGION THURSDAY.
IN THE LOW TO MID LEVELS OF THE ATMOSPHERE. AN ATLANTIC RIDGE OF HIGH PRESSURE WILL EXTEND ACROSS THE SOUTHEASTERN UNITED STATES THIS AFTERNOON. A TROUGH OF LOW PRESSURE WILL BE LOCATED OVER THE BAHAMAS TODAY.
1029 AM EDT WED OCT 21 2015 ABOVE NORMAL TEMPERATURES AND MAINLY DRY WEATHER WILL CONTINUE TODAY IN A SOUTHERLY FLOW BETWEEN HIGH PRESSURE TO THE SOUTHEAST AND LOW PRESSURE TO THE NORTHWEST.
WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO SOME LOW AND MID CLOUDS ARE TRAVERSING THE DESERTS AND MTNS FROM NORTH TO SOUTH IN THE RETURN FLOW ON THE WEST SIDE OF THE LOW PRESSURE SYSTEM OVER ARIZONA.
HIGHS IN THE 70S ALONG THE COAST AND INTO THE LOWER 80S INLAND.
A WEAKENING COLD FRONT OFF THE COAST WILL LIKELY DISSIPATE AS IT MOVES ONSHORE THIS AFTERNOON. THE LOW PRESSURE SYSTEM ALOFT WILL MOVE OVER THE AREA TONIGHT.
FOR 18Z TAFS HIGH PRESSURE WILL AGAIN ALLOW FOR VFR CONDITIONS TO PREVAIL THROUGH THIS 24-HR TAF PERIOD.
1005 AM EDT WED OCT 21 2015 HIGH PRESSURE WILL BUILD TO OUR SOUTH THROUGH THURSDAY. A COLD FRONT WILL PASS THROUGH THE AREA THURSDAY EVENING.
CENTRAL AND SOUTHWEST MONTANA ARE UNDERNEATH A WEAK UPPER LEVEL HIGH PRESSURE RIDGE. VFR CONDITIONS EXPECTED TODAY AS HIGH PRESSURE RIDGE CROSSING THE STATE WILL PRODUCE MOSTLY CLEAR SKIES AND LIGHT WINDS.
1259 PM EDT WED OCT 21 2015 DRY COLD FRONT SINKS SOUTHEAST INTO THE AREA THURSDAY NIGHT AND WASHES OUT.
658 AM CDT WED OCT 21 2015 A COLD FRONT ACROSS WESTERN MINNESOTA EARLY THIS MORNING WILL SWEEP EASTWARD AND BE EAST OF WEST CENTRAL WI BY LATE IN THE MORNING. HIGH PRESSURE WILL SETTLE IN TONIGHT ALONG WITH DIMINISHING WIND EARLY IN THE EVENING. MANY AREAS SHOULD SEE LOWS IN THE LOWER TO MIDDLE 30S.
1010 AM EDT WED OCT 21 2015 HIGH PRESSURE WILL CONTINUE TO BRING A WARMING TREND THROUGH THURSDAY.
443 AM PDT WED OCT 21 2015 A HIGH PRESSURE RIDGE NEAR THE WEST COAST WILL KEEP OUR CONDITIONS DRY WITH JUST OCCASIONAL HIGH CLOUDINESS AND TEMPERATURES ABOVE NORMAL THROUGH THE END OF THE WEEK. A DRY NORTHEASTERLY OFFSHORE FLOW CONTINUES ACROSS CENTRAL CALIFORNIA AS A CLOSED LOW LIFTS SLOWLY NORTHEAST FROM NEAR SOUTHERN ARIZONA.
1230 PM EDT WED OCT 21 2015 COLD FRONT SINKS SOUTHEAST INTO THE AREA THURSDAY NIGHT AND WASHES OUT.
A BROAD AREA OF HIGH PRESSURE WILL MAINTAIN MOSTLY DRY AND WARM CONDITIONS ACROSS NORTHWEST CALIFORNIA THROUGH THE WORK WEEK. AREAS INLAND WILL SEE MOSTLY SUNNY SKIES AND WARMER THAN NORMAL TEMPERATURES TODAY.
ONE MORE DAY OF THE SOUTHWEST CLOSED LOW PRESSURE SYSTEM THEN THE SYSTEM WILL BEGIN TO OPEN AND MOVE NORTHEAST INTO THE PLAINS STATES.
702 AM EDT WED OCT 21 2015 HIGH PRESSURE WEAKENING. COLD FRONT SINKS SOUTH THURSDAY NIGHT AND WASHES OUT OVER THE AREA.
A COLD FRONT WILL TRACK ACROSS THE AREA AND VERY WINDY CONDITIONS CAN BE EXPECTED. BEHIND THE COLD FRONT THE PCPN DECREASES. HOWEVER THE SHOWERS WILL PERSIST ACROSS THE AREA INTO SUNDAY NIGHT WITH NOTICEABLY COOLER TEMPERATURES EXPECTED.
LL FLOW FROM THE EAST OVERNIGHT WILL HELP TO SLOWLY MOISTEN THE LOWER LEVELS BUT FAIRLY STOUT CAP WILL BE IN PLACE SUNDAY AND SUNDAY EVENING LIMITING PRECIP TO PATCHY LIGHT RAIN/SHOWERS BUT WARMING TREND GETTING UNDERWAY. LLJ INTENSIFIES OVER NW TX/OK SUNDAY AFTERNOON AND NIGHT WITH A CORRESPONDING INCREASE IN WINDS SUNDAY NIGHT OVER SETX DRAGGING BACK IN THE WARM FRONT AND SURGE OF DEEPER RICHER MOISTURE.
WILL KEEP THE ADVISORY GOING THROUGH SUN MORNING WHEN A COLD FRONT PUSHES INTO THE WESTERN ZONES. WENT WITH THE SUPERBLEND GUIDANCE FOR HIGHS WHICH HAD KBIL AT 60 DEGREES WITH READINGS A BIT WARMER FURTHER E. THE FLOW ALOFT WILL TURN SW TONIGHT THROUGH SUN AS THE NEXT PACIFIC TROUGH MOVES INTO THE WESTERN U. THE PACIFIC TROUGH WILL CONTINUE TO PUSH E WHILE SPLITTING SUN NIGHT. MODELS BROUGHT MOISTURE INTO THE WESTERN ZONES MAINLY AFTER 06Z AS THE 700 MB COLD FRONT MOVES INTO THE AREA WITH FRONTOGENESIS. SURFACE COLD FRONT WILL CROSS THE AREA USHERING IN NW WINDS.
845 AM EST SAT NOV 14 2015 COOL DRY HIGH PRESSURE WILL BUILD INTO THE REGION THROUGH SUNDAY.
The next trough is forecast to move into the region during Sunday with precipitation to begin falling as early as Sunday afternoon. Snow levels are still expected to be high early with a significant drop as the cold front passes.
638 AM EST SAT NOV 14 2015 HIGH PRESSURE OVER THE TENNESSEE VALLEY TODAY WILL MOVE EAST ACROSS THE MID ATLANTIC REGION TONIGHT AND SUNDAY.
941 AM EST SAT NOV 14 2015 THE SYNOPTIC PATTERN THIS MORNING SHOWS A LARGE AND ROBUST AREA OF HIGH PRESSURE MOVING EASTWARD ACROSS THE SOUTHERN MISSISSIPPI VALLEY. IN THE WAKE OF A TROUGH EXITING THE EASTERN SEABOARD. AND INCREASING WINDS FROM WEST TO EAST A BIT MORE QUICKLY AS INDICATED BY OBSERVATIONS WEST OF THE LOWER KEYS AND OVER THE SOUTHEASTERN GULF OF MEXICO. SINCE THE HIGH PRESSURE OVER THE SOUTHEAST IS SPREADING A BIT MORE QUICKLY TO THE EAST. DUE TO THE ROBUST RIDGE BUILDING ACROSS THE DEEP SOUTH. THE RIDGE TO THE NORTH WILL SLIDE TO THE EAST AHEAD OF A STRONG MID LATITUDE TROUGH DIGGING THROUGH THE PLAINS STATES OFF THE FRONT RANGE MID WEEK. THIS TROUGH WILL GNAW AT THE LARGE RIDGE IN THE EAST.
615 AM EST SAT NOV 14 2015 GUSTY NW WINDS DEVELOP BEHIND A DEPARTING COLD FRONT TODAY.
1003 AM EST SAT NOV 14 2015 TIGHTER PRESSURE GRADIENT BETWEEN STRONG RIDGE OF HIGH PRESSURE OVER THE SOUTHEAST U.
905 AM EST SAT NOV 14 2015 HIGH PRESSURE WILL BUILD EAST UP THE OHIO VALLEY SATURDAY AND SUNDAY AND BECOME NEARLY STATIONARY OVER THE CAROLINAS BY SUNDAY.
PATTERN SYNOPSIS: MIDNIGHT SURFACE/COMPOSITE CHART SHOWS HIGH PRESSURE CENTERED OVER THE MIDDLE/LOWER MISSISSIPPI VALLEY RIDGING NORTH INTO THE UPPER GREAT LAKES/NORTHWEST ONTARIO. ROUGHLY NORTH- SOUTH ORIENTED WARM FRONT STRETCHES FROM THE SASKATCHEWAN/MANITOBA BORDER SOUTH THROUGH THE DAKOTAS/EASTERN NEBRASKA/MISSOURI. RIDGE AXIS IS NARROW BUT EXTENDS THROUGH A GOOD DEPTH OF THE TROPOSPHERE. WITH WARM ADVECTION COINCIDENT WITH AND BEHIND THE RIDGE. UPSTREAM WARM ADVECTION MID/HIGH CLOUDS WILL ARRIVE AS THE LOW CLOUDS DEPART. HOWEVER, INITIALLY THE 500 MB RIDGE AXIS WILL MOVE INTO THE UPPER GREAT LAKES DURING THE DAY AND WILL CONTINUE THE DRY WEATHER, THROUGH THE EVENING.
BUT THE AIR MASS WILL REMAIN QUITE DRY FARTHER E AS IT PROGRESSES INTO E TX/N LA AS LOW LEVEL RIDGING WILL PERSIST FOR ONE MORE DAY.
A COUPLE OF UPPER LEVEL SHORT WAVE TROUGHS WILL MOVE NORTH OF THE REGION TONIGHT THROUGH SUNDAY.
952 AM EST SAT NOV 14 2015 HIGH PRESSURE OVER THE TENNESSEE VALLEY TODAY WILL MOVE EAST ACROSS THE MID ATLANTIC REGION TONIGHT AND SUNDAY.
THE HIGH PRES TO OUR N WILL SLIDE EWD WHILE LOW LEVEL FLOW TURNS MORE NELY.
620 AM EST SAT NOV 14 2015 HIGH PRESSURE WILL BUILD INTO THE OHIO AND TENNESSEE VALLEYS TODAY. THE HIGH WILL THEN REMAIN ANCHORED OVER THE REGION INTO SUNDAY.
626 AM CST SAT NOV 14 2015 QUIET WEATHER CONTINUES WITH BROAD UPPER RIDGING. DEEP TROUGH SLIDES ONSHORE SUNDAY AS UPPER RIDGE PUSHES EAST.
UNTIL THE LOW GETS HERE, AFTERNOON HIGHS ARE EXPECTED TO RISE INTO THE 50S IN MANY LOW ELEVATIONS. THIS IS WARMER THAN NORMAL, BUT NOT ANYWHERE NEAR RECORD HEAT FOR THIS TIME OF YEAR. TEMPERATURES WILL NOT GET BELOW FREEZING IN THE SNAKE RIVER PLAIN UNTIL 2 AM OR SO ON SUN NIGHT, WHICH IS WHEN THE SNOW LEVEL WILL LOWER TO ALL LOCATIONS. WIND WILL STAY LIGHT UNTIL THE LOW PASSES SUN NIGHT.
MODELS CONTINUE TO SLOW THE ARRIVAL OF THE NEXT PRECIPITATION EVENT ASSOCIATED WITH A DEEPENING TROUGH. THE TROUGH AXIS IS NOW EXPECTED TO REACH THE WRN COASTLINE SUNDAY AFTERNOON.
HIGH PRESSURE SETTLING OVER THE REGION OVERNIGHT HAS ALLOWED FOR A CHILLY START TO THE DAY. HIGH PRESSURE WILL REMAIN IN CONTROL OF OUR WEATHER TODAY. AS A WEAK RIDGE AXIS SHIFTS INTO AND THROUGH THE AREA. CLOUDS WILL INCREASE ACROSS THE FORECAST AREA SUNDAY INTO SUNDAY NIGHT AS HIGH PRESSURE SLIDES EAST OF THE REGION AND MOISTURE ALOFT BEGINS INCREASING OVER THE FORECAST AREA AHEAD OF A DEVELOPING STORM SYSTEM THAT'LL AFFECT US DURING THE MIDDLE OF THE WORK WEEK.
1006 AM EST SAT NOV 14 2015 DEEP LOW PRESSURE OVER THE CANADIAN MARITIMES AND BUILDING HIGH PRESSURE OVER THE TENNESSEE VALLEY WILL MAINTAIN BRISK CONDITIONS THROUGH TODAY.
556 AM CST SAT NOV 14 2015 THE LATEST SFC ANALYSIS WAS INDICATING PASSING RIDGE AXIS MOVING EAST ACRS WI AND IL. WITH MINIMAL SKY COVER UNDER BROADENING UPPER RIDGING ACRS THE UPPER MIDWEST. PERIODS OF RAIN/SHOWERS EXPECTED OVER THE REGION AS STACKED LOW PRESSURE SYSTEM EMERGES FROM THE GREAT BASIN INTO THE PLAINS.
956 AM EST SAT NOV 14 2015 HIGH PRESSURE WILL BRING DRY CONDITIONS WITH SEASONAL ANY REMAINING LIGHT SHOWERS WILL CONTINUE TO DIMINISH THROUGH NOON. WILL CONTINUE TO ERODE AS WARMER AIR MOVES IN FROM THE WEST. TEMPERATURES WILL BE NEAR THE AVERAGE LOWS OF THE LOW TO MID 30S. HIGH PRESSURE AND MODERATING TEMPERATURES WILL BE THE THEME FOR THE SHORT TERM.
706 AM CST SAT NOV 14 2015 GETTING A WARM SURGE AT 925 MB AT 12Z AND HIGHER ELEVATIONS ON THE WESTERN EDGE OF THE RED RIVER VALLEY ARE IN THE LOW TO MID 40S STILL. A WARM LAYER AT 925 MB IS OVER THE WESTERN RIDGE OF THE RED RIVER VALLEY IN ERN ND AND THIS IS SHOWING UP WITH TEMPS WITH LOW TO MID 40S ALONG THE HIGHER TERRAIN FROM WALHALLA TO WESTERN GRAND FORKS COUNTY. AND A BIT COOLER AREA FROM LANGDON ND INTO NW MN.
SOME OF THE CLIMATOLOGICALLY COOLER LOCATIONS IN THE NORTH HAVE FALLEN TO OR JUST BELOW FREEZING. WITH THE HIGH CENTERED OVER THE SOUTHERN APPALACHIANS CENTRAL ALABAMA CAN EXPECT TEMPS TO FALL BACK INTO THE 30S OVERNIGHT TONIGHT. RIGHT NOW BELIEVE THEY WILL REMAIN ABOVE FREEZING IN MOST LOCATIONS.
1012 AM EST SAT NOV 14 2015 A HIGH PRESSURE RIDGE IS IN CONTROL OF THE WEATHER TODAY ACROSS THE EASTERN TENNESSEE VALLEY AND SOUTHERN APPALACHIAN REGION. CHATTANOOGA AIRPORT, TN 60 33 61 39 / 0 0 0 0 KNOXVILLE MCGHEE TYSON AIRPORT, TN 57 30 59 35 / 0 0 0 0 OAK RIDGE, TN 57 31 59 37 / 0 0 0 0 TRI CITIES AIRPORT, TN 54 27 59 32 / 0 0 0 0.
654 AM EST SAT NOV 14 2015 HIGH PRESSURE WILL BUILD EAST UP THE OHIO VALLEY SATURDAY AND SUNDAY AND BECOME NEARLY STATIONARY OVER THE CAROLINAS BY SUNDAY.
ANOTHER LOW PRESSURE SYSTEM WILL BRING THE NEXT CHANCE FOR PRECIPITATION TO THE AREA BY SUNDAY.
HIGH PRESSURE COMBINING WITH LIGHT WINDS HAS ALLOWED LOW TEMPERATURES TO DROP INTO THE UPPER 20S TO AROUND 30 DEGREES ACROSS MOST OF NORTHERN ALABAMA AND SOUTHERN MIDDLE TENNESSEE EARLIER THIS MORNING. HIGH PRESSURE WILL MAINTAIN ITS HOLD ACROSS THE REGION.
FLOW WILL SHIFT TO THE SOUTHWEST TODAY AS THE TROUGH SYSTEM OVER THE EASTERN PACIFIC DEEPENS. CLOUDS BEGIN TO FILTER OVER THE AREA FROM THE SOUTH ON SUNDAY AS THE PACIFIC TROUGH SHIFTS INLAND. LATEST MODELS MOVE A WEAK DISTURBANCE EAST-NORTHEASTWARD AHEAD OF THE MAIN PACIFIC TROUGH ACROSS THE DESERT SOUTHWEST.
945 AM CST SAT NOV 14 2015 BATCH OF MID LEVEL MOISTURE WITHIN SRN STREAM WITH ATTENDANT LOW AMPLITUDE TROUGH WILL CONTINUE TO SPREAD CLOUDS FROM WEST TO EAST ACROSS SE TX TODAY.
916 AM EST SAT NOV 14 2015 HIGH PRESSURE WILL BUILD INTO THE OHIO AND TENNESSEE VALLEYS TODAY. THE HIGH WILL THEN REMAIN ANCHORED OVER THE REGION INTO SUNDAY.
STILL EXPECT TEMPS TO WARM INTO THE LOWER. WITH A FEW HIGHER ELEVATION LOCATIONS ABOVE FREEZING EARLY THIS MORNING. IT LOOKS LIKE MOST IF NOT ALL ZONES WILL SEE BELOW FREEZING TEMPS WITH SOME INTO THE MID TO UPPER 20S BY SUNRISE. WITH UPPER RIDGING BUILDING IN. 850MB TEMPS ARE SLOWLY GOING TO WARM UP TODAY AND MAY KEEP OVERNIGHT LOW TEMPS INTO SUNDAY MORNING A BIT WARMER THAN THIS MORNING. IT STILL LOOKS LIKE MOST LOCATIONS WILL BE NEAR OR BELOW FREEZING EAST OF I65 TONIGHT INTO SUNDAY MORNING THOUGH.
638 AM EST SAT NOV 14 2015 HIGH PRESSURE MOVING INTO THE TENNESSEE RIVER VALLEY EARLY THIS MORNING WILL BE CENTERED NEAR THE FORECAST AREA LATE TONIGHT AND SUNDAY.
520 PM CST MON MAR 7 2016 BEST CHANCE FOR STRATUS AND THUNDER LATER TONIGHT IS TO THE SOUTH AND EAST OF A KLBB-KCDS LINE IN AREA OF BEST LOW TO MID LEVEL MOISTURE AHEAD OF AN UPPER LOW THAT WILL MOVE TO NWRN MEXICO BY MIDDAY TUESDAY. THE TRACK OF THE LOW SEEMS TO BE FAIRLY COHERENT IN NWP SOLUTIONS ENDING UP CENTERED OVER THE MOUNTAINS OF WESTERN CHIHUAHUA BY LATE TUESDAY AFTERNOON. AS THE LOW DEEPENS. A COLD FRONT WILL SAG INTO THE REGION DURING THE DAY ON TUESDAY THOUGH ITS SOUTHWARD PROGRESS REMAINS NEBULOUS. WITH THE CORE OF THE LOW SO FAR AWAY.
525 PM CST MON MAR 7 2016 Upper trough currently digging into the West Coast this afternoon will undergo significant amplification as it pushes into the central U.
A STRONG LOW PRESSURE SYSTEM MOVING SOUTH OF THE AREA WILL BRING ISOLATED TO SCATTERED SHOWERS INTO TUESDAY. EXPECT MUCH COOLER TEMPERATURES TUESDAY FOLLOWED BY FREEZING TEMPERATURES IN THE EASTERN VALLEYS TUESDAY NIGHT.
950 PM CST MON MAR 7 2016 THE SHOWERS AND THUNDERSTORMS IN THE PVA/WAA SIDE OF THIS LOW PRESSURE SYSTEM HAVE NOT MATERIALIZED SO FAR THIS EVENING. WHILE MODELS CONTINUE TO PROMOTE THE NOTION OF SOME MODERATE TO HEAVY BANDED-RAINFALL LATE TONIGHT INTO TOMORROW IN THE TROWAL/DEFORMATION ZONE OF THE LOW. SO HAVE INTRODUCED SOME FOG MENTION IN AND EAST OF THE INVERTED SURFACE TROF OVER THE CWA. IT WILL BE MUCH COOLER BUT STILL ABOVE NORMAL. CANADIAN HIGH PRESSURE WILL THEN BUILD IN FOR TUESDAY NIGHT AND WEDNEDAY.
607 PM EST MON MAR 7 2016 A WEAK SHORT WAVE WILL CROSS THE LOWER GREAT LAKES TONIGHT. HIGH PRESSURE OVER THE CAROLINAS WILL REMAIN NEARLY STATIONARY THROUGH MID WEEK WITH A WARM SOUTHERLY FLOW INTO THE AREA.
659 PM CST MON MAR 7 2016 WATER VAPOR LOOP INDICATED OPEN UPPER LEVEL LOW PRESSURE SYSTEM OVER SOUTHEAST WY/NE PANHANDLE. UPPER LOW FORECAST TO MOVE OVER THE AREA TUE. ANOTHER SHORT WAVE TROUGH WAS OVER WESTERN SASK AND WILL MOVE ACROSS CENTRAL MAN TUE. BUT AN INVERTED TROUGH EXTENDS INTO SOUTH CENTRAL NORTH DAKOTA THAT WILL PUSH EAST INTO OUR CWA THIS EVENING. HAVE LINGERING CLOUD COVER KEEP TUESDAY NIGHT LOWS IN THE 20S EVEN WITH HIGH PRESSURE OVERHEAD.
THOUGH NORTH WINDS MAY BECOME BRIEFLY GUSTY AGAIN TOWARD SUNRISE OVER THE PLAINS AS COLD FRONT DROPS SOUTH THROUGH THE REGION. MAIN UPPER LOW DROPS SOUTH INTO MEXICO WITH BROAD UPPER TROUGH ACROSS THE SOUTHERN ROCKIES. MAX TEMPS WILL REMAIN ON THE COOL SIDE AS COOLER AIR CONTINUES TO FILTER SOUTH.
553 PM EST MON MAR 7 2016 A WEAK SHORT WAVE WILL CROSS THE LOWER GREAT LAKES TONIGHT. HIGH PRESSURE OVER THE CAROLINAS WILL REMAIN NEARLY STATIONARY THROUGH MID WEEK WITH A WARM SOUTHERLY FLOW INTO THE AREA.
925 PM EST MON MAR 7 2016 HIGH PRESSURE WILL CONTINUE TO PROVIDE DRY WEATHER AND MUCH ABOVE NORMAL TEMPERATURES THROUGH AT LEAST THE MIDDLE OF THE WEEK. UPPER LEVEL RIDGING OVER THE REGION WILL AID IN SUPPORTING DRY AND BENIGN CONDITIONS THROUGH THE PERIOD.
/ISSUED 354 PM CST MON MAR 7 2016/ CLOSED UPPER LOW OVER SRN CA CONTINUES TO CHURN SEWD. THIS ACTIVITY IS FCST TO INTENSIFY/SPREAD FURTHER E AS THE UPPER LOW MOVES INTO SRN AZ/NRN MEXICO BY TUESDAY MORNING.
DEEP LAYER RIDGING WILL CONTINUE OFF OF THE CAROLINA COAST AND WILL PROMOTE DEEP ONSHORE ESE FLOW.
THE UPPER LOW WAS EXITING NE OUT OF COLORADO THIS EVENING. A BROADER TROUGH WILL CONTINUE OVER THE REGION THROUGH TUESDAY AS A STRONGER LOW WORKS ACROSS NW MEXICO THROUGH TUESDAY EVENING.
659 PM EST MON MAR 7 2016 HIGH PRESSURE ALONG THE CAROLINA COAST WILL STAY ANCHORED IN PLACE THROUGH MIDWEEK.
931 PM EST MON MAR 7 2016 A WEAK SHORT WAVE WILL CROSS THE LOWER GREAT LAKES TONIGHT. HIGH PRESSURE OVER THE CAROLINAS WILL REMAIN NEARLY STATIONARY THROUGH MID WEEK WITH A WARM SOUTHERLY FLOW INTO THE AREA.
1038 PM EST MON MAR 7 2016 A WEAK SHORT WAVE WILL CROSS THE LOWER GREAT LAKES TONIGHT. HIGH PRESSURE OVER THE CAROLINAS WILL REMAIN NEARLY STATIONARY THROUGH MID WEEK WITH A WARM SOUTHERLY FLOW INTO THE AREA.
837 PM EST MON MAR 7 2016 HIGH PRESSURE ALONG THE CAROLINA COAST WILL STAY ANCHORED IN PLACE THROUGH MIDWEEK.
AS UPPER LEVEL FLOW CONTINUES ITS SWLY EVOLUTION AS SFC/UPPER LEVEL LOW PRESSURE CENTERS DEVELOPS ACROSS THE WRN U. AND STRONG RIDGING INFLUENCES SFC AND ALOFT CONTINUE TO BE DEPICTED BY MODEL RUN CONSENSUS TO SHIFT EWD OF THE MID ATLANTIC COASTLINE. LOWS TONIGHT WILL BE IN THE LOW TO MID 50S. THIS ENTIRE LOW PRESSURE SYSTEM COMPLEX SFC/ALOFT STILL LOOKS LIKE TI WILL MOVE SLOWLY NEWD INTO THE CNTRL MS RIVER VALLEY BY SUN MORNING. STRONG RETURN FLOW HAS SET UP ACROSS MIDDLE TENNESSEE WITH THE LOW LEVELS REMAINING DRY AND MAINLY HIGH CLOUDS STREAMING ACROSS THE MID STATE.
A WEAK WARM FRONT WILL BRING SOME LIGHT RAIN TUESDAY.
953 PM EST MON MAR 7 2016 ATLANTIC HIGH PRESSURE WILL EXTEND ACROSS THE AREA THIS WEEK.
1009 PM EST MON MAR 7 2016 ATLANTIC HIGH PRESSURE WILL EXTEND ACROSS THE AREA THIS WEEK.
700 PM EST MON MAR 7 2016 19Z SFC ANALYSIS SHOWS HIGH PRESSURE OFF TO THE SOUTHEAST OF THE AREA WHILE A LARGE AREA OF LOW PRESSURE IS SLOWLY MOVING NORTHEAST THROUGH THE PLAINS. THIS IS RESPONSIBLE FOR SOUTHERLY WINDS MOVING THROUGH THE CWA TODAY BRINGING IN WARMER AIR AND SENDING TEMPERATURES INTO THE 60S. READINGS HAD MADE IT TO THE LOW AND MID 60S WHILE DEWPOINTS ARE RUNNING IN THE UPPER 20S TO LOWER 30S FOR MOST OF THE AREA.
RIDGE PATTERN WILL REMAIN IN PLACE THROUGH THE FORECAST PERIOD WITH THE ONLY CLOUD OF SIGNIFICANCE IN THE FORM OF CIRRUS.
MID/UPPER LEVEL RIDGING OVER THE EAST COAST WILL BUILD OVER THE NEXT COUPLE OF DAYS AS A CLOSED LOW OVER BAJA MOVES SOUTHEAST OVER NORTHERN MEXICO. STRONG HIGH PRESSURE OFF THE SOUTHEAST U. THIS HIGH WILL KEEP A SOUTHEAST WIND FLOW ACROSS THE FLORIDA PENINSULA WHICH WILL ALSO CAUSE AN INCREASE IN MOISTURE THROUGH THE WEEK. WITH PERSISTENT HIGH PRESSURE OVER THE AREA AND SOUTHERLY COMPONENT WINDS.