Aikyam-Lab/Synoptic-Bench huggingface dataset:
WHILE SNOW LEVELS REMAIN ELEVATED NEAR 6000 FEET OVERNIGHT SO ONLY A SLIGHT CHANCE OF LIGHT RAIN IN THE LOWER VALLEYS.
NICE DAY TODAY WITH A CLEAR SATELLITE PICTURE OVER ALABAMA UNDER A DOME OF HIGH PRESSURE CENTERED OVER THE GULF COAST STATES. VFR TAFS FOR THE NEXT 24 HOURS UNDER A DOME OF HIGH PRESSURE AT THE SURFACE. THE RIDGE WILL SLOWLY NUDGE EASTWARD ACROSS THE GULF COAST SO WILL BEGIN TO SEE A SOUTH/SOUTHWEST DIRECTION TO THE WINDS ON THE BACKSIDE OF THE RIDGE ON SUNDAY. 08 SLIGHTLY WARMER TEMPERATURES ARE EXPECTED TODAY.
230 PM EST SAT FEB 27 2016 HIGH PRESSURE WILL MOVE OVERHEAD TONIGHT AND TOMORROW. THE HIGH CENTER WILL BEGIN TO SHIFT EASTWARD AND WINDS WILL TURN MORE TO THE SW.
351 PM EST SAT FEB 27 2016 HIGH PRESSURE WILL GRADUALLY BUILD ACROSS THE SOUTHEAST THROUGH SUNDAY.
1052 AM CST SAT FEB 27 2016 SFC RIDGING HAS EASED SE INTO EXTREME SE TX AND S LA LATE THIS MORNING. AFTER TEMPS FELL TO NEAR/SLIGHTLY BELOW FREEZING THIS MORNING. WHICH IS A TAD WARMER THAN FORECAST. TEMPS SHOULD CLIMB A LITTLE WARMER THAN FORECAST AND THUS HAVE RAISED MAX TEMPS THIS AFTERNOON 1-3 DEGREES AREAWIDE.
20Z TEMPERATURES WERE IN THE LOWER TO MIDDLE 70S AREA-WIDE. NOT MUCH IN THE WAY OF CHANGES THIS AFTERNOON AS MODELS CONTINUE TO ADVERTISE A PROGRESSIVE SHORT WAVE PATTERN THROUGH AN UNDERLYING STAGNANT WRN CONUS RIDGE AND ERN CONUS TROUGH PATTERN.
UPPER TROUGH AND SURFACE COLD FRONT WERE MOVING ENEWD ACROSS IDAHO ZONES THIS MORNING. ANOTHER COLD FRONT QUICKLY MOVES TO SE OREGON SUNDAY WITH A CHANCE OF SHOWERS THERE AND IN IDAHO/S HIGHER TERRAIN SUNDAY AFTERNOON. EXPECTING A MEAN UPPER LEVEL RIDGE TO REMAIN OVER THE REGION THROUGH THE EXTENDED AS A SERIES OF WEAK TROUGHS TRY TO BREAK IT DOWN EVERY FEW DAYS.
THE HIGH WIND WARNING REMAINS IN EFFECT BEGINNING AT 1 PM THIS AFTERNOON. SO DECIDED TO EXPAND THE HIGH WIND WARNING TO INCLUDE CHEYENNE AND LARAMIE.
352 PM CST SAT FEB 27 2016 LARGE LOW PRESSURE SYSTEM ACROSS WESTERN OHIO HAS KEPT NORTHERLY FLOW ACROSS IOWA.
100 PM EST SAT FEB 27 2016 HIGH PRESSURE OVER THE GULF STATES WILL BUILD EASTWARD AND DOMINATE THE REGION THROUGH THE WEEKEND.
UPPER RIDGE WILL REBUILD OVER OUR AREA TONIGHT AND SUNDAY. MID-LEVEL PACIFIC MOISTURE WILL MOVE THROUGH THE RIDGE BRINGING CLOUDINESS SUNDAY MORNING.
IN SPITE OF THE CLOUD COVER TEMPERATURES ARE WARMER THAN YESTERDAY AT 11 AM. WEST GRADIENT WINDS WILL PICK UP OVER THE HIGH TERRAIN THROUGH THE AFTERNOON. THE WEAK COLD FRONT WILL PUSH ACROSS THE NORTH THIS AFTERNOON AND SOUTH OF THE I-70 CORRIDOR OVERNIGHT. THE RIDGE THAT BROUGHT NEARLY CLOUDLESS SKIES THE LAST FEW DAYS WILL FLATTEN THIS MORNING AS ITS RIDGELINE SLIDES EAST. THE GREAT BASIN RIDGE WILL REESTABLISH WITH MOISTURE ERODING OVER CO SUNDAY AFTERNOON.
1253 PM EST SAT FEB 27 2016 HIGH PRESSURE WILL GRADUALLY BUILD ACROSS THE SOUTHEAST THROUGH SUNDAY.
317 PM EST SAT FEB 27 2016 QUIET WEATHER ACROSS THE REGION THIS AFTERNOON WITH HIGH PRESSURE IN PLACE. ALONG WITH THE WARMER/DRIER AIRMASS WILL PERSIST OVERNIGHT AND INTO THE DAY ON SUNDAY. THE CLEAR CONDITIONS OVERNIGHT WILL RESULT IN GOOD RADIATIONAL COOLING THIS EVENING AND ALLOW LOWS TO EVENTUALLY BOTTOM OUT IN THE LOW TO MID 30S BY EARLY SUNDAY MORNING. AN EVEN WARMER DAY WILL BE ON TAP FOR SUNDAY AS SOUTHERLY FLOW INTENSIFIES.
/ISSUED 351 AM CST SAT FEB 27 2016/ TODAY WILL BE REMINISCENT OF YESTERDAY WITH THE EXCEPTION OF SLIGHTLY STRONGER WINDS AND WARMER TEMPERATURES. WINDS WILL BEGIN TO VEER TO THE NORTHWEST BY TOMORROW MORNING AS A COLD FRONT MAKES ITS WAY TOWARDS THE REGION. PERSISTENT SOUTH TO SOUTHWESTERLY WINDS OVERNIGHT WILL MAKE FOR MILD TEMPS OVERNIGHT WITH LOWS RANGING FROM THE LOW/MID 30S ACROSS OUR NORTHWESTERN ZONES TO THE UPPER 40S ACROSS OUR SOUTHEASTERN ZONES. ALDRICH EXTENDED WILL BE CHARACTERIZED BY RIDGING OUT WEST AND A PERSISTENT LOW UP NEAR HUDSON BAY.
327 PM CST SAT FEB 27 2016 AN AREA OF LOW PRESSURE AND SURFACE COLD FRONT WILL SLIDE ACROSS THE REGION TONIGHT THROUGH SUNDAY MORNING.
1220 PM EST SAT FEB 27 2016 TEMPERATURES WILL MODERATE THIS WEEKEND AS AN UPPER TROUGH EXITS. WARM ADVECTION CONTINUES TONIGHT WITH TEMPERATURES HOLDING IN THE LOW TO MID 30S.
1134 AM CST SAT FEB 27 2016 especially at MAF and HOB as Leeside trough deepens.
ESPECIALLY OVER THE HIGH COUNTRY. NORTHWEST FLOW ALOFT WILL BE OVER THE AREA ON SUNDAY AS AN UPPER LEVEL RIDGE BUILDS INTO THE GREAT BASIN. HIGH TEMPS ON SUNDAY WILL BE COOLER OVER EASTERN PORTIONS OF THE FORECAST AREA.
158 PM EST SAT FEB 27 2016 HIGH PRESSURE OVER THE GULF STATES WILL BUILD EASTWARD AND DOMINATE THE REGION THROUGH THE WEEKEND.
SUN: SLIGHTLY COOLER AIR ALOFT WILL KNOCK A FEW DEGREE OFF MAXES. SUN NIGHT-MON: QUICK SUCCESSION OF SYSTEMS WILL RESULT IN RIDGE AXIS MOVING ACROSS THE FORECAST AREA SUN NIGHT. COOLER TEMPERATURES LIKELY IN SOUTHEAST KS WHERE WINDS WILL LIKELY REMAIN NEAR CALM FOR SEVERAL HOURS LATE IN THE NIGHT. TRENDS ARE A BIT WARMER. ALTHOUGH STILL REMAINING FAIRLY BREEZY AS A COLD FRONT APPROACHES FROM THE NORTHWEST. THE COLD FRONTAL PASSAGE FROM NORTHWEST TO SOUTHEAST SUNDAY MORNING WILL SUPPORT STRONG/GUSTY NORTHWEST WINDS IN ITS WAKE.
HIGH PRESSURE RIDGE WILL SETTLE OVERHEAD TONIGHT. WITH THE HIGH OVERHEAD. OVERNIGHT LOWS IN THE LOWER TO MIDDLE 30S ARE EXPECTED INLAND. AS THE HIGH SLIDES EAST OF THE REGION ON SUNDAY.
The 18 UTC surface analysis shows an area of high pressure just east of Pensacola, Fla. This high has been moving slowly eastward today and is expected to be over the region tonight. Dewpoints across the region are in the mid 20s, with air temps warming through the lower 60s. Some of the guidance suggests that the normally cooler areas in the Florida Big Bend will reach or drop just below the freezing mark for an hour or so.
THE HIGH LOOKS TO BE CENTERED RIGHT OVER THE NORTH FLORIDA REGION LATE TONIGHT AND TOWARD DAWN TOMORROW. THE MOST SIGNIFICANT CHANGE FROM TODAY WILL BE THE HIGH TEMPERATURE FORECAST. THIS WILL GIVE US AFTERNOON TEMPERATURES IN THE LOWER TO MID 70S.
UPPER LEVEL TROF THAT WILL BRING SCATTERED VALLEY RAIN AND MTN SNOW TO OUR AREA TODAY IS CURRENTLY STILL OVER WESTERN MT. FORECAST IS ON TRACK FOR THE TROF TO MOVE EAST OF THE DIVIDE BY MIDDAY/EARLY AFTN WITH RAIN/SNOW BECOMING MORE WIDESPREAD AND CONTINUING THROUGH EARLY THIS EVENING.
THE SW FLOW WILL DEEPEN IN THE LOWER LEVELS AROUND 10-30KTS THIS CYCLE. /ISSUED 1052 AM CST SAT FEB 27 2016/ SFC RIDGING HAS EASED SE INTO EXTREME SE TX AND S LA LATE THIS MORNING. AFTER TEMPS FELL TO NEAR/SLIGHTLY BELOW FREEZING THIS MORNING. WHICH IS A TAD WARMER THAN FORECAST. TEMPS SHOULD CLIMB A LITTLE WARMER THAN FORECAST AND THUS HAVE RAISED MAX TEMPS THIS AFTERNOON 1-3 DEGREES AREAWIDE.
BY EARLY AFTERNOON A LEE TROF WILL INCREASE WINDS TO NEAR 20 KNOTS WITH GUSTS CLOSE TO 30 KNOTS OUT OF THE SOUTH/SOUTHWEST. /ISSUED 351 AM CST SAT FEB 27 2016/ TODAY WILL BE REMINISCENT OF YESTERDAY WITH THE EXCEPTION OF SLIGHTLY STRONGER WINDS AND WARMER TEMPERATURES. WINDS WILL BEGIN TO VEER TO THE NORTHWEST BY TOMORROW MORNING AS A COLD FRONT MAKES ITS WAY TOWARDS THE REGION. PERSISTENT SOUTH TO SOUTHWESTERLY WINDS OVERNIGHT WILL MAKE FOR MILD TEMPS OVERNIGHT WITH LOWS RANGING FROM THE LOW/MID 30S ACROSS OUR NORTHWESTERN ZONES TO THE UPPER 40S ACROSS OUR SOUTHEASTERN ZONES. ALDRICH EXTENDED WILL BE CHARACTERIZED BY RIDGING OUT WEST AND A PERSISTENT LOW UP NEAR HUDSON BAY.
High pressure will move away from the area today with a developing pressure gradient across the area as low pressure develops over the Upper Midwest, reaching the Great Lakes region by 18z Sunday. Warmer temperatures today as SSW winds develop on the backside of the high. Even warmer, and windy Sunday as good vertical mixing takes place with an increasing low level jet.
WINDS AROUND 10 MPH WILL CONTINUE THROUGH THE NIGHT AS THE PRESSURE GRADIENT INCREASES BETWEEN LOW PRESSURE TO THE NORTHWEST AND HIGH PRESSURE ACROSS THE CAROLINAS. OVERNIGHT LOWS WILL BE 10 TO 15 DEGREES WARMER THAN LAST NIGHT. LOW PRESSURE WILL MOVE FROM LOWER MICHIGAN TOWARDS WESTERN QUEBEC SUNDAY NIGHT. THE ASSOCIATED COLD FRONT WILL RACE EAST. PARTICULARLY IN THE HIGHER ELEVATIONS OF WV/MD.
1212 PM EST SAT FEB 27 2016 TEMPERATURES WILL MODERATE THIS WEEKEND AS AN UPPER TROUGH EXITS. WARM ADVECTION CONTINUES TONIGHT WITH TEMPERATURES HOLDING IN THE LOW TO MID 30S.
335 PM EST SAT FEB 27 2016 HIGH PRESSURE WILL KEEP SKIES MOSTLY CLEAR INTO SUNDAY MORNING. CLOUDS AND RAIN CHANCES WILL INCREASE SUNDAY AFTERNOON INTO SUNDAY EVENING AS A WEAK COLD FRONT SWEEPS THROUGH THE REGION.
AN UPPER LEVEL RIDGE WILL MOVE OVER WESTERN WASHINGTON TODAY ALLOWING SHOWERS TO DIMINISH THROUGH EARLY THIS EVENING. A COLD FRONT WILL BRING MORE RAIN LATE TONIGHT AND SUNDAY MORNING.
935 AM MST SAT FEB 27 2016 UPPER LEVEL TROF THAT WILL BRING SCATTERED VALLEY RAIN AND MTN SNOW TO OUR AREA TODAY IS CURRENTLY STILL OVER WESTERN MT. FORECAST IS ON TRACK FOR THE TROF TO MOVE EAST OF THE DIVIDE BY MIDDAY/EARLY AFTN WITH RAIN/SNOW BECOMING MORE WIDESPREAD AND CONTINUING THROUGH EARLY THIS EVENING.
NICE DAY TODAY WITH A CLEAR SATELLITE PICTURE OVER ALABAMA UNDER A DOME OF HIGH PRESSURE CENTERED OVER THE GULF COAST STATES. 58/ROSE SLIGHTLY WARMER TEMPERATURES ARE EXPECTED TODAY.
CLOUDINESS WILL BE INCREASING THIS AFTERNOON AS THE UPPER TROUGH MOVES OVER THE STATE. WINDS ON THE PLAINS WILL GRADUALLY INCREASE AS A SURFACE LEE TROUGH INTENSIFIES THROUGH THE AFTERNOON. HIGH PRESSURE RIDGE ALOFT WILL MOVE ACROSS THE STATE TODAY AS FAST MOVING TROF APPROACHES NORTHWEST COLORADO BY LATE AFTERNOON. AHEAD OF THE TROF. A SLIGHT CHANCE OF A FEW REMAINING SNOW SHOWERS SUNDAY MORNING WILL QUICKLY DRY OUT AS UPPER RIDGING MOVES IN. TEMPERATURES WILL BE ABOUT 10 DEGREES COOLER IN THE POST FRONTAL AIRMASS. GUSTY WINDS WILL CONTINUE OVER THE HIGH TERRAIN AND FOOTHILLS THROUGH THE DAY.
1132 AM CST SAT FEB 27 2016 WARM AIR ADVECTION WILL CONTINUE THROUGHOUT THE REGION TODAY AS THERMAL RIDGING EXPANDS EASTWARD AND MID LEVEL TEMPERATURES SPIKE WELL ABOVE 10C. EXPECT SOME GOOD MIXING OF THE WARMER TEMPERATURES ALOFT. WHILE THE COOLER TEMPERATURES ALOFT AND A DIMINISHING SNOWPACK WILL CAP TEMPERATURES A LITTLE COOLER TO THE EAST IN THE LOW TO MID 50S. STAYING ABOVE THE FREEZING MARK AREAWIDE. BUT HAVE CONCENTRATED THE HIGHEST POPS NORTH OF INTERSTATE 90 AS THE 700 MB FRONTOGENESIS IS CONCENTRATED THERE.
HIGH PRESSURE WILL EXTEND ACROSS THE REGION TODAY AND TONIGHT. THIS HIGH WILL MOVE OFFSHORE ON SUNDAY.
327 PM EST SAT FEB 27 2016 BROAD RIDGE OF HIGH PRESSURE WILL CONTINUE TO BUILD ACROSS THE OHIO VALLEY AND MID ATLANTIC REGION THE REST OF THE WEEKEND WITH WARMING TEMPERATURES AND DRY CONDITIONS THROUGH SUNDAY EVENING.
A CANADIAN COLD FRONT WILL APPROACH THE AREA TONIGHT AND THEN MOVE THROUGH THE AREA ON SUNDAY. FREEZING RAIN. HIGH TEMPERATURES ON SUNDAY WILL LIKELY OCCUR IN THE MORNING AHEAD OF THE COLD FRONT.
HIGH PRESSURE WILL REMAIN IN CONTROL WITH LIMITED AVIATION CONCERNS. HIGH PRESSURE ACROSS THE NORTHERN GULF OF MEXICO TODAY WILL MOVE EASTWARD TONIGHT INTO SUNDAY. SOUTHEAST WINDS ACROSS THE CWA THIS AFTERNOON WILL INCREASE SUNDAY AS THE PRESSURE GRADIENT INCREASES ACROSS THE LOWER TEXAS COAST.
257 PM CST SAT FEB 27 2016 Gusty southwest winds developed over the region this afternoon in response to tightening pressure gradient between a building area of high pressure along the Gulf Coast and a deepening lee side trough over eastern Colorado. The trough to our west will move across the forecast area on Sunday as a cold front.
1124 AM CST SAT FEB 27 2016 THERMAL RIDGE ACROSS THE PLAINS WILL BUILD EASTWARD INTO IOWA TODAY WITH A RELATIVELY DRY AIRMASS IN PLACE.
145 PM EST SAT FEB 27 2016 HIGH PRESSURE OVER THE GULF STATES WILL BUILD EASTWARD AND DOMINATE THE REGION THROUGH THE WEEKEND.
HIGH TEMPS WILL CONTINUE TO BE RELATIVELY MILD AS THE WINDS WILL MIX DOWN THE WARMER THAN EXPECTED AIR ALOFT.
THERE IS A SLIGHT CHANCE FOR MVFR CONDITIONS BEFORE 14Z IF THE LOW-LEVEL JET BECOMES STRONG ENOUGH.
1233 PM EST SAT FEB 27 2016 RETURN SOUTHWEST FLOW AROUND DEPARTING HIGH PRESSURE WILL MARK THE BEGINNING OF A WARMING TREND TODAY. THE HIGH WILL MOVE OFF THE SOUTHEAST U. COAST ON SUNDAY WHILE DEEPENING LOW PRESSURE AND A COLD FRONT APPROACH FROM THE WEST. THE COLD FRONT WILL THEN MOVE THROUGH THE REGION SUNDAY NIGHT.
1142 AM MST SAT FEB 27 2016 MADE MINOR UPDATES TO THE WINDS AND SKY COVER FOR TODAY AND THE HIGH TEMPS IN A FEW LOCATIONS. AN UPPER RIDGE AXIS IS CURRENTLY MOVING ACROSS SOUTHERN COLORADO WITH QUIET AND DRY CONDITIONS. LIGHT SOUTHWESTERLY WINDS HAVE HELPED KEEP TEMPERATURES A BIT WARMER WITH MOST LOCATIONS IN THE 30S. WITH THE LEE SLOPES IN THE LOWER 40S. A COLD FRONT WILL DROP SOUTH TONIGHT WITH GUSTY NORTH WINDS EXPECTED NEAR THE KANSAS BORDER LATE TONIGHT INTO SUNDAY.
HIGH PRESSURE ALOFT WILL PROVIDE DRY CONDITIONS WITH WELL ABOVE NORMAL DAYTIME TEMPERATURES THIS WEEKEND AND DURING THE UPCOMING WEEK.
STILL EXPECTING INCREASING CLOUDS AND A COLD FRONT TO MOVE SOUTH ACROSS THE REGION TONIGHT. WARM AIR ADVECTION WILL CONTINUE TODAY AHEAD OF AN APPROACHING LOW PRESSURE. COLD AIR ADVECTION COULD CHANGE RAIN TO SNOW OR FREEZING RAIN ACROSS AREAS NORTH AND EAST OF THE MISSOURI RIVER. ONLY MINOR AMOUNTS OF PRECIPITATION ARE ANTICIPATED WITH THIS SYSTEM DUE TO LIMITED AVAILABLE MOISTURE IN THE LOWER ATMOSPHERE. SOME LIGHT SNOW AND POSSIBLY SOME LIGHT FREEZING PRECIPITATION (WHERE ICE IN CLOUDS MAY BE SCANT) MAY LINGER EARLY OVER NORTH CENTRAL NORTH DAKOTA.
Low level moisture and increasing cloud cover ahead of the cold front on Sunday morning w/ low VFR to MVFR ceilings likely.
339 PM EST SAT FEB 27 2016 LOW PRESSURE DEVELOPING IN THE DAKOTAS WILL TRACK SOUTHEAST ACROSS THE CENTRAL GREAT LAKES SUNDAY. A COLD FRONT TRAILING THE LOW WILL MOVE THROUGH THE REGION SUNDAY NIGHT.
/ISSUED 1023 AM EST SAT FEB 27 2016/ HIGH PRESSURE WILL CONTINUE ACROSS THE REGION TODAY. THE HIGH SETTLES SOUTH TONIGHT TAKING A POSITION OVER SOUTH CENTRAL GEORGIA WITH EXCELLENT RADITIONAL COOLING CONDITIONS ANTICIPATED. AS A RESULT WILL GO A SHADE BELOW GUIDANCE RESULTING IN TEMPS BOTTOMING OUT IN THE LOWER 30S AREAWIDE.
HIGH PRESSURE ADVANCING EAST OF THE REGION WILL BRING A MOISTENING SOUTHERLY FLOW AS THE DAY PROGRESSES. HIGH PRESSURE MOVING PAST THE REGION WILL ALLOW FOR MAINLY LIGHT SRLY WINDS. ANOTHER TRANQUIL DAY IS EXPECTED ACROSS THE REGION AS HIGH PRESSURE REMAINS IN CONTROL. THE RIDGE WILL MOVE TO THE ATLANTIC BY SUNDAY AFTERNOON WITH SOUTH WINDS OCCURRING AS THE RIDGE DEPARTS.
COLD FRONT TONIGHT RESULTS IN NORTH WINDS AND COOLER CONDITIONS ON SUNDAY.
616 PM EST WED NOV 11 2015 HIGH PRESSURE WILL DRY THE AREA OUT TODAY.
A COLD FRONT CURRENTLY EXTENDING FROM EAGLE PASS TO NEAR AUSTIN WILL PUSH ACROSS THE REGION EARLY THURSDAY MORNING. A FEW SHOWERS WILL BE POSSIBLE WITH THE PASSAGE OF THE COLD FRONT SO WILL CONTINUE TO MENTION OF VCSH FOR THURSDAY MORNING. 500 MB S/W TROUGH LIFTS NEWD ACROSS THE PLAINS AND OVER THE GREAT LAKES THROUGH THE PERIOD WHILE A COLD FRONT PUSHES ACROSS THE PLAINS AND THE MIDWEST. THE COLD FRONT CONTINUES TO MOVE SOUTHEAST ACROSS TEXAS TODAY ALBEIT SLOWER THAN ADVERTISED BY MODEL GUIDANCE. WINDS WILL RELAX AND BECOME LIGHT AND VARIABLE AHEAD OF THE COLD FRONT WHICH WILL APPROACH THE NW RANCHLANDS LATE THIS EVENING AND PUSH ACROSS THE LOWER TEXAS COAST THURSDAY MORNING. COOLER TEMPERATURES ARE EXPECTED FOR THURSDAY NIGHT WITH LOWS IN THE MID TO UPPER 50S NORTH AND WEST AND LOWER TO MID 60S EAST.
COOLER AND DRIER AIR WILL MOVE IN QUICKLY BEHIND THE FRONT. A COLD FRONT PRECEDED BY A NARROW SQUALL LINE WILL MOVE ACROSS THE FORECAST AREA OVERNIGHT.
GOOD BOATING CONDITIONS WITH HIGH PRESSURE RIDGE SETTLING OVER THE WATERS.
KETCHAM VERY STRONG SURFACE CYCLONE CENTERED OVER IOWA.
A VERY COLD NIGHT EXPECTED ACROSS OUR CWA WITH MIN TEMPERATURES RANGING FROM THE SINGLE DIGITS ABOVE ZERO TO THE LOWER 20S. WEAK TROUGHY FLOW CONTINUES THURSDAY.
707 PM EST WED NOV 11 2015 HIGH PRESSURE SLOWLY SHIFTS OFF THE MID ATLANTIC COAST TONIGHT. A COLD FRONT CROSSES THE AREA THURSDAY.
IN THE LOW LEVELS OF THE ATMOSPHERE. A TROUGH OF LOW PRESSURE OVER SOUTH FLORIDA SHOULD DISSIPATE OVERNIGHT. AN ATLANTIC RIDGE OF HIGH PRESSURE WILL EXTEND ACROSS SOUTH FLORIDA TONIGHT. A RIDGE OF HIGH PRESSURE WILL BE CENTERED OVER CENTRAL FLORIDA OVERNIGHT.
PER STRONG BUILDING SFC RIDGING INFLUENCES BEHIND SFC FRONTAL PASSAGE W TO E ACROSS MID STATE 12/06Z- 12/12Z. CENTRAL PLAINS CYCLONE CENTERED AT THE SURFACE OVER SOUTHEASTERN NEBRASKA WITH FRONTAL BOUNDARY DRAPED DOWN INTO EASTERN OKLAHOMA. BACK EDGE OF CONVECTION IN THE FORM OF SHOWERS SHOULD BE OFF THE PLATEAU BY 12Z THURSDAY FOLLOWED BY COOLER TEMPS WITH HIGHS ON THURSDAY IN THE LOW TO MIDDLE 60S.
TEMPERATURES NEAR OR SLIGHTLY BELOW FREEZING ARE LIKELY AGAIN TONIGHT ACROSS THE WESTERN MOJAVE DESERT AND BY JOSHUA TREE NP.
319 PM MST WED NOV 11 2015 UPPER LOW PULLING QUICKLY AWAY FROM COLORADO THIS AFTERNOON WITH CLEARING SKIES AND DIMINISHING WINDS SPREADING FROM WEST TO EAST ACROSS THE AREA. WILL EXPIRE THE HIGH WIND WARNING A LITTLE EARLY.
PER STRONG BUILDING SFC RIDGING INFLUENCES BEHIND SFC FRONTAL PASSAGE W TO E ACROSS MID STATE 12/06Z-12/12Z. CENTRAL PLAINS CYCLONE CENTERED AT THE SURFACE OVER SOUTHEASTERN NEBRASKA WITH FRONTAL BOUNDARY DRAPED DOWN INTO EASTERN OKLAHOMA. BACK EDGE OF CONVECTION IN THE FORM OF SHOWERS SHOULD BE OFF THE PLATEAU BY 12Z THURSDAY FOLLOWED BY COOLER TEMPS WITH HIGHS ON THURSDAY IN THE LOW TO MIDDLE 60S.
1055 PM EST WED NOV 11 2015 HIGH PRESSURE WILL CROSS THE REGION OVERNIGHT THROUGH EARLY THURSDAY. LOW PRESSURE WILL APPROACH FROM THE WEST THURSDAY NIGHT.
TEMPERATURES HAVE LEVELED OFF THE PAST FEW HOURS AS WARM AIR ADVECTION INCREASES AHEAD OF COLD FRONT. COLD FRONT BEGINNING TO WORK INTO ARKANSAS RIGHT NOW PUTTING IT GENERALLY 10 TO 12 HOURS AWAY FROM CENTRAL ALABAMA. A COLD FRONT WILL BRING RAIN TO THE NORTHWESTERN HALF OF THE AREA TONIGHT INTO EARLY THURSDAY. WITH A LONGER PERIOD OF COOLER AND DRIER CONDITIONS THROUGH THE END THE WEEK. TEMPERATURES WERE A LOT COOLER IN THE CLOUDED AREAS BUT SEVERAL PLACES IN THE NORTHERN COUNTIES MANAGED THE LOWER 70S.
/ISSUED 317 PM CST WED NOV 11 2015/ THE LONG ADVERTISED COLD FRONT IS CURRENTLY MOVING SOUTHWARD ACROSS THE SOUTHERN TEXAS PANHANDLE. THE COOLER AIRMASS BEHIND THE COLD FRONT WILL ALLOW TEMPERATURES TO DROP INTO THE MID 30S TO UPPER 20S OVERNIGHT TONIGHT. A FREEZE WARNING WILL BE ISSUED FOR THE CENTRAL AND NORTHEASTERN TEXAS PANHANDLE AND CENTRAL AND EASTERN OKLAHOMA PANHANDLE COUNTIES AS THESE LOCATIONS ARE EXPECTED TO DROP TO AND BELOW FREEZING. A FROST ADVISORY WILL BE ISSUED FOR THE SOUTHEASTERN TEXAS PANHANDLE AS TEMPERATURES ARE EXPECTED TO REMAIN JUST ABOVE FREEZING.
/ISSUED 616 PM CST WED NOV 11 2015/ GUSTY NORTHWEST WINDS WILL SUBSIDE THIS EVENING AS THE STRONG LOW PRESSURE CONTINUES TO MOVE AWAY FROM OKLAHOMA. /ISSUED 316 PM CST WED NOV 11 2015/ SOME RECOVERY IN RELATIVE HUMIDITY HAS OCCURRED THIS AFTERNOON ACROSS NORTHERN OKLAHOMA BEHIND A COLD FRONT. NEAR FREEZING TEMPERATURES ARE POSSIBLE ACROSS FAR NORTHWEST OKLAHOMA BY EARLY THURSDAY MORNING.
305 PM MST WED NOV 11 2015 WINDS HAVE DIMINISHED BELOW CRITERIA SO CANCELLED THE HIGH WIND WARNING. HIGH TEMPERATURES WILL RANGE FROM THE MIDDLE 40S IN NORTHEAST COLORADO TO THE LOWER 50S IN NORTH CENTRAL KANSAS.
AT 2330Z THE COLD FRONT WAS LOCATED JUST NW OF AUS AND SAT AND SHOULD CLEAR TO THE SE OF THESE LOCATIONS BETWEEN 00Z-02Z. ISOLD SHRAS AND POSSIBLY A TSTM OR TWO WILL BE POSSIBLE WELL EAST OF THE TAF SITES AHEAD OF THE COLD FRONT. UPPER AIR ANALYSIS THIS MORNING SHOWED A DEEP TROUGH EXTENDING FROM EASTERN COLORADO TO NORTHWESTERN MEXICO MAKING THE FLOW SOUTHWESTERLY ACROSS TEXAS. THE COLD FRONT IS MOVING THROUGH AND CURRENTLY STRETCHES FROM DALLAS TO DEL RIO. THE UPPER TROUGH WILL MOVE OFF TO THE NORTHEAST AND THE FLOW WILL BECOME MAINLY ZONAL. THEN COOLER. TEMPERATURES WILL BE MUCH COOLER THURSDAY.
MEANWHILE SURFACE OBSERVATIONS HAVE DEW POINTS IN THE LOWER 70S. AS LIFT WITH PRE- FRONTAL TROUGH WILL BREAK THE CAP WITH A LINE OF SHOWERS. A COLD FRONT SHOULD CATCH UP TO THE PRE-FRONTAL TROUGH OVERNIGHT HELPING THE LINE TO STAY PROGRESSIVE AND MOVE EAST OF THE FORECAST AREA DURING THURSDAY MORNING. WITH COOLER AND DRIER AIR MOVING IN BEHIND IT. LATEST GUIDANCE SUGGESTS THAT SOME OF THE STRONGER NORTH WINDS THAT WILL DEVELOP OVER THE COASTAL WATERS BEHIND THE COLD FRONT. /ISSUED 345 PM CST WED NOV 11 2015/ LATEST SFC ANALYSIS SHOWS A COLD FRONT EXTENDING FROM A LOW OVER THE CNTL PLAINS SWD ACROSS NERN/CNTL TX. THIS WILL PULL THE COLD FRONT SEWD TOWARD THE FORECAST AREA. BEFORE COVERAGE BEGINS TO LOWER AS BEST DYNAMICS LIFT FARTHER AWAY FROM THE REGION WITH THE LOW ALOFT.
AS LIGHT WINDS SHOULD HELP KEEP THE LOWEST LEVELS MIXED.
438 PM CST WED NOV 11 2015 Powerful, deep low pressure system currently centered in the vicinity of the IA/NE/MO borders has dropped down to around 989/990mb as of the last hour. Behind a fropa roaring through, this dynamic system is ushering in much drier air (dewpoints have been crashing across eastern KS and into far western MO) and eventually the chillier air from the north as the cold front makes its way through. Across northern MO tonight, where dewpoint depressions are much closer together and better atmospheric moisture is available, could see a few showers streaking through on the backside of the low but these should be relatively light in nature and not widespread. Once the high traverses into the eastern U.
621 PM EST WED NOV 11 2015 HIGH PRESSURE OVER THE REGION WILL MOVE SOUTH OVERNIGHT. A DRY COLD FRONT WITH LIMITED MOISTURE WILL CROSS THE AREA LATE THURSDAY AFTERNOON.
/UPDATE FOR SLIGHTLY WARMER MINS SOUTH/ FRONTAL TIMING WAS SLIGHTLY DELAYED OVER THE I-35 CORRIDOR BUT APPEARS TO BE ON TRACK TO CLEAR SOUTH CENTRAL TX COUNTIES BY AROUND MIDNIGHT. AT 2330Z THE COLD FRONT WAS LOCATED JUST NW OF AUS AND SAT AND SHOULD CLEAR TO THE SE OF THESE LOCATIONS BETWEEN 00Z-02Z. ISOLD SHRAS AND POSSIBLY A TSTM OR TWO WILL BE POSSIBLE WELL EAST OF THE TAF SITES AHEAD OF THE COLD FRONT. UPPER AIR ANALYSIS THIS MORNING SHOWED A DEEP TROUGH EXTENDING FROM EASTERN COLORADO TO NORTHWESTERN MEXICO MAKING THE FLOW SOUTHWESTERLY ACROSS TEXAS. THE COLD FRONT IS MOVING THROUGH AND CURRENTLY STRETCHES FROM DALLAS TO DEL RIO. THE UPPER TROUGH WILL MOVE OFF TO THE NORTHEAST AND THE FLOW WILL BECOME MAINLY ZONAL. THEN COOLER. TEMPERATURES WILL BE MUCH COOLER THURSDAY.
STRONG SYNOPTIC LIFT ASSOCIATED WITH OCCLUDING LOW PRESSURE SPREADING EAST OF AREA. GRADIENT WINDS DUE TO STRONG LOW PRESSURE MOVING THROUGH WISCONSIN OVERNIGHT WILL BEGIN TO DIMINISH AS GRADIENT SLACKENS SLIGHTLY.
531 PM CST WED NOV 11 2015 FOR 00Z TAFS /ISSUED 133 PM CST WED NOV 11 2015/ STRONG UPPER WAVE AND SFC CYCLONE WAS MOVING THROUGH THE CENTRAL PLAINS THIS AFTERNOON BEING AIDED BY 150+ KT UPPER JET AXIS FROM OK-IN. NEVERTHELESS, STRONG MOISTURE TRANSPORT IN LOW LEVELS AND CONVERGENCE ALONG THE COLD FRONT SHOULD SUSTAIN A QLCS AT LEAST INTO MIDDLE TN AND NWRN AL. GRADIENT WINDS WILL INCREASE TONIGHT IN ADVANCE OF AND IMMEDIATELY BEHIND THE COLD FRONT. HOWEVER, MINOR SFC RIDGING ON THURSDAY WILL DECELERATE FLOW, SO NOT EXPECTING WIND ADVISORY CRITERIA ATTM. GUSTS OF 20-30 MPH MAY OCCUR AT TIMES, ESPECIALLY ON THE HIGHER ELEVATIONS.
/issued 247 PM CST WED NOV 11 2015/ Strong westerly winds continue to plague much of the region as an upper trough quickly swings into the Central Plains, pushing a Pacific front east through the CWA throughout this morning. As of 2pm CST, winds were beginning to decrease as the upper speed max associated with the ua trough shifts to the NE. Cooler air will filter into the area tonight and with light winds and clear skies expected, low temperatures look to range from the low 30s across the NW to the upper 30s/low 40s SE by early Thursday morning.
RADAR SHOWS SHOWERS OVER WESTERN TN AHEAD OF THE APPROACHING COLD FRONT. CHATTANOOGA AIRPORT, TN 53 68 41 59 / 60 30 0 0 KNOXVILLE MCGHEE TYSON AIRPORT, TN 50 66 39 55 / 60 60 0 0 OAK RIDGE, TN 49 66 38 56 / 80 40 0 0 TRI CITIES AIRPORT, TN 43 66 37 53 / 50 70 0 0.