Aikyam-Lab/Synoptic-Bench huggingface dataset:
A WEAK UPPER LEVEL TROUGH WEST OF OUR REGION IS RESPONSIBLE FOR THE MID AND HIGH CLOUDS ACROSS OUR CWA. THESE CLOUDS SHOULD PERSIST FOR MOST OF THE DAY UNTIL TROUGH SHIFTS EAST LATE THIS EVENING. THE APPROACH OF AN UPPER TROUGH OF LOW PRESSURE PROVIDING LOWERING OF CLOUDS FROM HIGH BETWEEN 25-30 KFT DOWN TO MIDDLE LEVEL OF 10-15 KFT DURING THE DAY TODAY THEN CLEARING INTO THE EARLY EVENING. UPPER TROUGH THAT BROUGHT THE CLOUDS TO SHIFT EAST OVERNIGHT ALLOWING FOR UPPER-LEVEL RIDGE TO BUILD ACROSS MOST OF THE CENTRAL CONUS. TEMPERATURES OVERNIGHT TO FALL TO NEAR FREEZING ACROSS THE REGION.
A WEAK SHORT WAVE TROUGH ALOFT SWEEPS THROUGH NEBRASKA AND KANSAS TODAY WITH ONLY AN INCREASE IN CLOUDS EXPECTED.
243 PM EST MON JAN 11 2016 FAST MOVING LOW PRESSURE WILL SPREAD SNOW OVER THE REGION LATE TONIGHT AND TUESDAY. A COLD FRONT ASSOCIATED WITH THAT LOW IS PROJECTED ACRS THE AREA ON TUESDAY. STRONG COLD ADVECTION IN THE WAKE OF THE FRONT WILL LIKELY MAINTAIN LAKE ENHANCED/UPSLOPE SNOW SHOWERS INTO TUESDAY NIGHT OVR THE I 80 CORRIDOR AND RIDGE ZONES.
AN APPROACHING UPPER TROUGH OF LOW PRESSURE IS PROVIDING LIFT AND CONVERGENCE FOR SCT/BKN MID AND HIGH CLOUD DECKS. A WEAK UPPER LEVEL TROUGH WEST OF OUR REGION IS RESPONSIBLE FOR THE MID AND HIGH CLOUDS ACROSS OUR CWA. THESE CLOUDS SHOULD PERSIST FOR MOST OF THE DAY UNTIL TROUGH SHIFTS EAST LATE THIS EVENING. UPPER TROUGH THAT BROUGHT THE CLOUDS TO SHIFT EAST OVERNIGHT ALLOWING FOR UPPER-LEVEL RIDGE TO BUILD ACROSS MOST OF THE CENTRAL CONUS. TEMPERATURES OVERNIGHT TO FALL TO NEAR FREEZING ACROSS THE REGION.
146 PM EST MON JAN 11 2016 HIGH PRESSURE WILL BUILD INTO THE REGION TODAY AND PERSIST INTO LATE WEEK.
304 PM CST MON JAN 11 2016 AFTER TWO DAYS OF MOSTLY CLOUDY SKIES AND TEMPERATURES STRUGGLING TO RISE ABOVE FREEZING. IT WILL BE A QUIET NIGHT WITH LOWS SLIGHTLY WARMER OWING TO WEAK WESTERLY WINDS. A CUTOFF UPPER-LOW WILL SLOWLY MEANDER ACROSS NORTHERN MEXICO WITH A HINT OF WEAK RIDGING OVER WEST TEXAS. A WEAK TROUGH AT THE SURFACE SHOULD KEEP LIGHT WINDS FROM A WESTERLY FETCH AND COUPLE WITH MOSTLY CLEAR SKIES TO BRING A COUPLE MORE DEGREES OF WARMING.
1022 AM MST MON JAN 11 2016 A WEAK SHORT WAVE TROUGH ALOFT SWEEPS THROUGH NEBRASKA AND KANSAS TODAY WITH ONLY AN INCREASE IN CLOUDS EXPECTED.
STRONG AMPLIFIED RIDGING AT THE MID LEVELS ACROSS THE WESTERN PORTION OF THE COUNTRY IS GOING TO GIVE THE AREA CONDITIONS SIMILAR TO LAST NIGHT TO START.
HIGH CLOUDS OVER THE FORECAST AREA HAVE HELPED TO HOLD TEMPERATURES A LITTLE COOLER THAN EXPECTED. UPPER LEVEL HIGH PRESSURE IS CENTERED OVER THE WESTERN STATES WITH A DRY NORTH TO NORTHWEST FLOW ALOFT OVER COLORADO. HIGH PRESSURE ALOFT WILL CONTINUE OVER MUCH OF THE GREAT BASIN ON TUESDAY WITH A RESULTANT NORTHWEST FLOW OVER COLORADO.
BUT THESE CONDITION WILL LIKELY DETERIORATE ONCE AGAIN TONIGHT AS THE UPPER LEVEL RIDGE REMAINS NEARLY DIRECTLY OVER THE CWA. FOG IS EXPECTED TO END BETWEEN 18Z AND 20Z /EXCEPT IN THE LOWER TREASURE VALLEY FROM KEUL-KONO/ WITH THE STRATUS LINGERING INTO THE AFTERNOON. A WEAK PACIFIC TROUGH WILL COME INLAND ACROSS NRN OREGON TODAY WITH CLOUDS AND A SLIGHT CHANCE OF LIGHT SNOW OVER NRN HARNEY AND BAKER COUNTIES THIS AFTERNOON. AND ZERO TO 15 ABOVE IN THE HIGHER BASINS.
HIGHLY AMPLIFIED PATTERN REMAINS IN PLACE AT 500 MB WITH A TROUGH FROM HUDSON BAY INTO THE GREAT LAKES REGION. A RIDGE EXTENDS FROM NRN CA NORTHWEST INTO THE YUKON AND THEN TO NORTH OF THE ARCTIC CIRCLE. THAT WILL EVENTUALLY TOP THE RIDGE AND SHEAR OUT AS IT MOVES OVER OUR AREA MID WEEK. WARMER AIR MOVING IN FROM THE WEST AND DECENT MIXING SHOULD HELP PUSH TEMPERATURES INTO THE 20S AND 30S THIS AFTERNOON. CENTER OF HIGH PRESSURE IS FORECAST TO BE OVER SERN SD BY 12Z TUESDAY.
HIGH PRESSURE IS RIDGING ACROSS THE AREA FROM THE NW AT THE SURFACE WITH A TROUGH OVER THE EASTERN US AND THE SUBTROPICAL JET IN PLACE ACROSS THE STATE ALOFT. AREAS ACROSS THE NATURE COAST WILL SEE SEVERAL HOURS OF FREEZING TEMPERATURES AND HAVE ISSUED A FREEZE WARNING FOR THOSE AREAS. AREAS JUST OUTSIDE OF THE FREEZE WARNING MAY SEE SOME ISOLATED POCKETS OF TEMPERATURES TOUCHING FREEZING. SOUTHERN ZONES WILL SEE MID 40S TO THE LOWER 50S ALONG THE COAST.
1208 PM EST MON JAN 11 2016 FAST MOVING LOW PRESSURE WILL SPREAD SNOW OVER THE REGION LATE TONIGHT AND TUESDAY. NO CHANGES WERE NEEDED FOR THE NEAR TERM PORTION OF THE FORECAST AS DRY AMBIENCE AND SHRTWV RIDGING WL PROVIDE SOME COLD SUN FOR THE REMAINDER OF THE DAY. BY TONIGHT CLOUDS WILL BE ON THE INCREASE AS LOW PRESSURE DVLPS RAPIDLY OVR THE GREAT LAKES. A COLD FRONT ASSOCIATED WITH THAT LOW IS PROJECTED ACRS THE AREA ON TUESDAY. COLD ADVECTION WILL LIKELY MAINTAIN LAKE ENHANCED SNOW SHOWERS INTO TUESDAY NIGHT OVR THE I 80 CORRIDOR AND RIDGE ZONES. LOWERING INVERSIONS AND A DRY AIRMASS WILL ALSO KEEP A LID ON UPSLOPE AMOUNTS FOR THE RIDGES.
437 PM EST MON JAN 11 2016 HIGH PRESSURE WILL CROSS THE REGION TONIGHT. LOW PRESSURE WILL APPROACH FROM THE WEST LATER TUESDAY.
1120 AM EST MON JAN 11 2016 HIGH PRESSURE WILL MOVE EAST OF THE REGION TODAY. AN ARCTIC COLD FRONT WILL APPROACH FROM THE NORTHWEST TONIGHT AND SWING ACROSS THE AREA TUESDAY MORNING.
1136 AM CST MON JAN 11 2016 FOR 18Z TAFS /ISSUED 1114 AM CST MON JAN 11 2016/ HIGH PRESSURE IN CONTROL OF CURRENT WEATHER ACROSS THE TENNESSEE VALLEY. LATER THIS EVENING AHEAD OF A WEAK COLD FRONT. WHERE TEMPS COULD REACH THE LOWER 40S.
TONIGHT THROUGH TUESDAY RIDGE AXIS HOLDING TO THE WEST WITH SOME CLOUDS SPILLING OVER THE FRONT SIDE AND ACROSS US OVERNIGHT INTO TODAY. CURRENT SYSTEM LIFTING NEWD TOWARDS WA WILL CONTINUE TO RIDE UP AND OVER THE RIDGE WITH MOST OF THE ENERGY MISSING US TO THE NORTH AND EAST TUE. TUESDAY NIGHT THROUGH MONDAY RIDGING WILL BUILD OVER THE AREA TUESDAY NIGHT.
HIGH PRESSURE IN CONTROL OF CURRENT WEATHER ACROSS THE TENNESSEE VALLEY. LATER THIS EVENING AHEAD OF A WEAK COLD FRONT. WHERE TEMPS COULD REACH THE LOWER 40S.
/ISSUED 833 AM CST MON JAN 11 2016/ HAVE UPDATED TO INCLUDE FREEZING FOG ADVISORY FOR MUCH OF THE TEXAS PANHANDLE THROUGH 11 AM TODAY. /ISSUED 510 AM CST MON JAN 11 2016/ PATCHY FREEZING FOG WILL CAUSE FORECAST CONFIDENCE TO BE LOW FOR THE START OF THE 12Z TAF CYCLE. KAMA IS THE ONLY TERMINAL BEING IMPACTED BY THE FREEZING FOG BUT THE FOG IS IN THE VICINITY OF KDHT. HOWEVER WEAK MOIST AIR ADVECTION ABOARD SOUTH/SOUTHWEST WINDS AHEAD OF THE TROUGH AXIS CONTINUES TO MAINTAIN SOME STRATUS AND PATCHY FREEZING FOG ACROSS THE REMAINDER OF THE PANHANDLES. LINGERING DEEPER SNOW COVER ACROSS PARTS OF THE NORTHERN PANHANDLES WILL LIKELY HOLD TEMPS IN THE LOWER 40S TODAY.
1259 PM EST MON JAN 11 2016 HIGH PRESSURE OVER THE DEEP SOUTH WILL RETREAT TO THE WEST OVERNIGHT. A MOISTURE LIMITED REINFORCING COLD FRONT WILL CROSS THE AREA LATE TUESDAY WITH DRY AND COOL CONDITIONS PREVAILING THROUGH THE END OF THE WORK-WEEK. THE CHANCE FOR RAIN WILL RETURN THIS WEEKEND AS A COMPLEX LOW PRESSURE SYSTEM APPROACHES THE AREA. A BROAD UPPER LEVEL TROUGH WILL SWING TOWARDS THE AREA ON TUESDAY. WINDS MAY ONCE AGAIN BECOME GUSTY DURING THE AFTERNOON ON TUESDAY AHEAD OF THE NEXT COLD FRONT.
300 PM CST MON JAN 11 2016 LIGHT SNOW AT MID AFTERNOON PUSHING INTO CENTRAL MINNESOTA WILL ADVANCE QUICKLY EAST-SOUTHEAST THROUGH THIS EVENING AS A WAVE OF LOW PRESSURE MOVES ALONG THE ARCTIC FRONT.
403 PM EST MON JAN 11 2016 LOW PRESSURE OVER OKLAHOMA WILL MOVE ACROSS THE CENTRAL LAKES TUESDAY. DRAGGING ANOTHER COLD FRONT ACROSS THE FORECAST AREA.
1238 PM EST MON JAN 11 2016 COOL HIGH PRESSURE WILL BUILD IN THROUGH TUESDAY.
At 12z Monday a 500mb ridge axis extended from Northern California to British Columbia. Further east an upper level trough, associated with the left exit region of 250mb jet, was located over south central Canada. A broad upper level trough continues to be situated across much of central and eastern North America with northwesterly flow from western Canada into the Plains and Midwestern states. Only some scattered mid level clouds are expected with the wave, along with a weak shot of cooler air across central and parts of western Kansas today. Through mid-week, an upper level ridge over the western states will move east over the central Plains.
THE POWERFUL STORM SYSTEM WILL MOVE AWAY TONIGHT AS THE COLD FRONT PUSHES OFFSHORE OVERNIGHT. BLUSTERY CONDITIONS WILL FOLLOW AS HIGH PRESSURE BUILDS EAST TONIGHT AND THU. THE FOCUS WILL THEN TURN TO STRONG GRADIENT SW WINDS WITH THE COLD FRONT TONIGHT. THE SKIES WILL BECOME PARTLY CLOUDY WITH MUCH DRIER AIR AND COOLER AIR ADVECTING IN FROM THE SW-W. SHORT WAVE ENERGY WILL CONTINUE TO ROTATE ACROSS THE OHIO VALLEY AROUND THE MAIN UPPER TROF THURSDAY AND THURSDAY NIGHT.
TEMPERATURES FORECAST TO FALL INTO THE LOW TO MID 30S AREAWIDE.
TEMPERATURES MAY BE JUST A DEGREE OR TWO COOLER ON THE PLAINS. MOUNTAIN AREAS WILL BE A FEW DEGREES WARMER AS WARM ADVECTION ALOFT BEGINS. STRONG RIDGING OVER THE WESTERN U. WILL BRING WARMER TEMPERATURES AND DRY WEATHER THROUGH THE FIRST HALF OF THE WEEKEND.
/ISSUED 311 PM CST WED FEB 24 2016/ 21Z SURFACE MAP SHOWED A 987MB LOW PRESSURE CENTERED OVER OHIO. AS ITS PARENT UPPER LOW LIFTS INTO THE EASTERN GREAT LAKES.
In fact, sub freezing temps overnight may be limited mainly to snow covered regions of se MO and srn IL.
704 PM EST WED FEB 24 2016 A STRONG LOW PRESSURE SYSTEM OVER WESTERN KY AT MID AFTERNOON WILL STRENGTHEN AS IT LIFTS NORTHEAST ACROSS THE UPPER OHIO VALLEY AND LOWER GREAT LAKES REGION.
UPPER LEVEL LOW WITH SEVERAL EMBEDDED CIRCULATION CENTERS MOVING THROUGH WESTERN AND CENTRAL NORTH DAKOTA.
LOOK FOR WESTERLY BREEZES ACROSS THE EAST CENTRAL PLAINS TO WEAKEN AS A BACK DOOR COLD FRONT SLIDES DOWN THE PLAINS OVERNIGHT. QUIET AND DRY WEATHER HAS RETURNED TO NEW MEXICO WITH THE MOST RECENT STORM NOW WELL TO THE EAST OF THE STATE AND HIGH PRESSURE SLOWLY EASING IN FROM THE WEST.
BRIEF RESPITE FROM PRECIPITATION AND WINDS LATE THIS EVENING AS THE LOW PIVOTS TO OUR NORTHWEST AND BECOMES VERTICALLY STACKED. COLD AIR WILL BEGIN TO POUR IN BEHIND THE LOW OVERNIGHT. THINK THE MAX GUSTS WILL GET CLOSE TO ADVISORY LEVEL IN THE HIGHEST ELEVATIONS. OVERALL 1-2 INCHES ARE EXPECTED IN GENERAL AND 3-4INCHES IN THE HIGHER RIDGES.
A DRY COLD FRONT IS FORECAST TO PUSH ACROSS THE AREA THURSDAY AFTERNOON. DEWPOINTS HAVE FALLEN INTO THE LOW TO MID 20S ACROSS THE REGION WITH WIND GUSTS UPWARDS OF 20 TO 25 MPH AT TIMES. BELOW NORMAL LOWS ARE EXPECTED ACROSS THE REGION WITH SOME POCKETS OF FREEZING TEMPERATURES IN THE HILL COUNTRY AND COOL DRAINAGE AREAS IN THE RIVER VALLEYS ALONG THE I-35 CORRIDOR.
VFR THRU THE OVERNIGHT HOURS WITH A FAST MOVING COLD FRONT DROPPING INTO THE GULF BY TOMORROW EVENING. THE CENTER OF THE HIGH OVER TX WILL MOVE ACROSS THE NW GULF OVERNIGHT. CHANCE OF PRECIPITATION LATE SUN INTO NEXT MON AS ANOTHER WEAK COLD FRONT MOVES ACROSS THE REGION. GFS & ECMWF DIVERGE GREATLY WITH THE INABILITY TO HANDLE WHETHER THE TROF WILL CUTOFF INTO A LOW OR NOT OVER THE REGION.
ALREADY SEEING A CHANGEOVER TO SNOW OVER SOME OF THE HIGHER ELEVATIONS. CHATTANOOGA AIRPORT, TN 35 44 30 50 / 60 20 10 0 KNOXVILLE MCGHEE TYSON AIRPORT, TN 35 41 29 45 / 70 30 30 0 OAK RIDGE, TN 35 41 29 44 / 70 30 30 0 TRI CITIES AIRPORT, TN 33 37 27 39 / 70 70 70 20 NC.
759 PM CST WED FEB 24 2016 WEAK HIGH PRESSURE OVER TEXAS SHOULD ALLOW FOR CLEAR SKIES AND CALM WINDS.
Wind becomes somewhat gusty again after 15z as high pressure builds into the Srn Plains behind reinforcing cold front.
530 PM CST WED FEB 24 2016 LARGE LOW PRESSURE SYSTEM ACROSS WESTERN OHIO HAS KEPT NORTHERLY FLOW ACROSS IOWA.
801 PM EST WED FEB 24 2016 A STRONG LOW PRESSURE SYSTEM OVER WESTERN KY AT MID AFTERNOON WILL STRENGTHEN AS IT LIFTS NORTHEAST ACROSS THE UPPER OHIO VALLEY AND LOWER GREAT LAKES REGION.
710 PM EST WED FEB 24 2016 DEEP LOW PRESSURE PASSING WELL TO THE NORTHWEST WILL PUSH A COLD FRONT THROUGH THE AREA TONIGHT.
A WEAK COLD FRONT HAS CLEARED KGUY AND KDHT AND WILL MOVE THROUGH KAMA BY THE BEGINNING OF THE 06Z TAFS. VARIABLE NEAR CALM WINDS MAY OCCUR FOR A SHORT PERIOD AS THE HIGH PASSES OVER/NEAR A TERMINAL MID/LATE AFTERNOON. THE FIRST WEAK FRONT WILL MOVE THROUGH LATE THIS EVENING AND BRING SLIGHTLY COOLER TEMPERATURES TOMORROW.
601 PM CST WED FEB 24 2016 A COLD FRONT WILL MOVE QUICKLY ACROSS OKLAHOMA TONIGHT. A COLD FRONT ACROSS NWRN KS WILL PUSH THROUGH THE AREA TONIGHT BRINGING A RE-INFORCING SURGE OF COOLER/DRIER AIR FOR THURSDAY.
WILL ALSO UPDATE FOR THE EXPIRATION OF THE HIGH SURF ADVISORY AS WHILE SWELL IS OUT OF THE SOUTHWEST. RIP CURRENT RISK IS IN THE LOW TO MODERATE RANGE. SURF HEIGHTS HAVE DROPPED TO 2 TO 3 FEET THUS THE HIGH SURF ADVISORY WILL BE ALLOWED TO EXPIRE AT 6 PM. HIGH PRESSURE WILL BE BUILDING INTO THE REGION TONIGHT AND THURSDAY. AS THE MID/UPPER LEVEL TROF AXIS SLIPS EAST OF THE REGION. COOLER TONIGHT WITH LOWS IN THE MID TO UPPER 30S EXCEPT AROUND 40 AT THE COAST. HIGHS ON THURSDAY IN THE UPPER 50S INLAND AND THE LOWER 60S FARTHER SOUTH INTERIOR ZONES AND ALONG THE COAST.
ANOTHER COLD FRONT WILL MOVE INTO THE FOUR STATE REGION EARLY ON THURSDAY AND QUICKLY MOVE ACROSS THE AREA.
309 PM MST WED FEB 24 2016 BREEZY CONDITIONS PREVAIL TODAY IN THE WAKE OF THE COLD FRONT AND AS THE UPPER JET SLIDES JUST EAST OF OUR AREA. CHEYENNE RIDGE AND SOUTH LARAMIE RANGE. HUMIDITIES ARE IN THE LOW TO MID 20S ACROSS MUCH OF THE PLAINS WITH THE LOWEST READINGS IN THE SOUTHERN PANHANDLE WHERE WINDS ARE GUSTY AS WELL. THE UPPER LEVEL RIDGE WILL MAINTAIN HOLD OF THE REGION THROUGH THE END OF THE WEEK WITH HEIGHTS RISING OVERHEAD.
COLD AIR WILL BEGIN TO POUR IN BEHIND THE LOW OVERNIGHT. THINK THE MAX GUSTS WILL GET CLOSE TO ADVISORY LEVEL IN THE HIGHEST ELEVATIONS. OVERALL 1-2 INCHES ARE EXPECTED IN GENERAL AND 3-4INCHES IN THE HIGHER RIDGES.
910 PM CST WED FEB 24 2016 Light snow continues from Champaign to Cumberland counties eastward as the deep low pressure center associated with today's winter storm moves into the eastern Great Lakes region. Tonights lows drop to below freezing. Either way, wet roads that are mainly untreated or have rinsed off their salt from melting snow today will be at risk for refreezing once the temps drop to at or below freezing. Forecast soundings not offering much hope with respect widespread clearing tomorrow and as a result, with the combination of the new snow cover, especially over the eastern half of the forecast area, and a mostly cloudy sky, will trend closer to the cooler guidance numbers for afternoon highs.
550 PM EST WED FEB 24 2016 A STRONG COLD FRONT WILL PUSH EAST OF THE AREA BY THIS EVENING. TORNADO WATCH HAS BEEN CANCELED AS STORMS HAVE SHIFTED EAST OF THE AREA AS THE COLD FRONT CONTINUES TO PUSH ACROSS THE EASTERN MIDLANDS AND PEE DEE REGION LATE THIS AFTERNOON. DRIER AIR IS WORKING INTO THE AREA BEHIND THE COLD FRONT AS DEWPOINTS HAVE DROPPED INTO THE 40S. LOWS TONIGHT INTO THE LOWER 40S WITH THE COLD AIR ADVECTION.
STRONG UPPER LOW WILL MOVE OVERHEAD TONIGHT. AT THE HIGHEST ELEVATIONS ACROSS NORTHEAST GA.
THE NEXT COLD FRONT WILL DIVE INTO THE TEXAS PANHANDLE THIS EVENING.
A WEAK COLD FRONT HAS MOVED THROUGH KGUY AND WILL ARRIVE AT KDHT SHORTLY. THE FIRST WEAK FRONT WILL MOVE THROUGH LATE THIS EVENING AND BRING SLIGHTLY COOLER TEMPERATURES TOMORROW.
655 PM EST WED FEB 24 2016 A COLD FRONT WILL MOVE THROUGH THE REGION TONIGHT AND ALLOW STRONG NORTHWEST WINDS TO USHER COLDER AIR INTO THE REGION. UPSLOPE SNOW SHOWERS CAN BE EXPECTED WEST OF THE BLUE RIDGE WITH SOME LIGHT ACCUMULATIONS AT THE HIGHER ELEVATIONS. HIGH PRESSURE WILL THEN BUILD IN WITH FAIR AND SEASONABLE WEATHER EXPECTED THROUGH THE WEEKEND. THE ACTUAL SURFACE FRONT WILL BE MOVING THROUGH THE REGION THIS EVENING BUT WINDS WILL REMAIN SWLY FOR A WHILE BEFORE SHIFTING TO THE NORTHWEST TONIGHT SO IT WILL BE A WHILE BEFORE THE COLDER ARRIVES WITH UPSLOPE SNOWS DEVELOPING WEST OF THE BLUE RIDGE.
601 PM CST WED FEB 24 2016 WEAK SUBSIDENCE AND RIDGING ALOFT WAS FOUND ACROSS THE NORTHLAND THIS AFTERNOON. AN UPPER TROF WAS LOCATED TO THE SOUTHEAST OVER INDIANA. WITH A SECONDARY UPPER LOW OVER THE EASTERN DAKOTAS. HIGHS ON THURSDAY WILL TREND A BIT COOLER BEHIND THE COOL FRONT WITH READINGS IN THE 20S TO LOW 30S. AS HIGH PRESSURE BUILDS INTO THE FORECAST AREA THURSDAY NIGHT.
1020 PM EST WED FEB 24 2016 A COLD FRONT WILL PUSH THROUGH THE AREA THIS EVENING AND EARLY TONIGHT.
928 PM EST WED FEB 24 2016 A COLD FRONT IS EXPECTED TO CROSS THE MID-ATLANTIC TONIGHT. HIGH PRESSURE BUILDS IN FOR THE END OF THE WEEK. TIGHT PRES GRADIENT WILL PERSIST THROUGH FRI WITH BREEZY AND COOLER CONDITIONS. WIND ADVISORY LEVEL WINDS ARE ALSO MARGINAL FOR THE HIGHER ELEVS AND WILL NOT ISSUE ANY ADVZY ATTM. SUB-TROPICAL RIDGING PERSISTING OVER THE SOUTHEASTERN U. WILL BE FIGHTING LOWERING HEIGHTS APPROACHING FROM THE NORTH AS RIDGING PERSISTS OVER WESTERN NOAM. HIGH PRESSURE NOSING OVER THE AREA SHOULD KEEP WINDS BELOW SCA LEVELS OVER THE WEEKEND.
Light winds overnight will switch to the northeast just after sunrise following a cold front. Clear skies areawide this afternoon as a result of strong subsidence on the back side of the exiting upper trough and upper ridging to the west. By later this afternoon, high temperatures will about 5-10 degrees warmer than yesterday. A weak cold front arrives Thursday morning, shifting winds to the northeast and briefly stalling the warming trend.
958 PM EST WED FEB 24 2016 A STRONG LOW PRESSURE SYSTEM OVER THE AREA WILL TRACK NORTHEAST THIS EVENING. COLDER AIR AND GUSTY WINDS BEHIND THE LOW WILL RESULT IN SNOW SHOWERS INTO THURSDAY NIGHT.
BEFORE MORE LIGHT RAIN/SNOW SHOWERS MOVE IN AS THE UPPER LEVEL LOW DRIFTS INTO NORTHEASTERN OHIO. COLD AIR WILL BEGIN TO POUR IN BEHIND THE LOW OVERNIGHT. THINK THE MAX GUSTS WILL GET CLOSE TO ADVISORY LEVEL IN THE HIGHEST ELEVATIONS. OVERALL 1-2 INCHES ARE EXPECTED IN GENERAL AND 3-4INCHES IN THE HIGHER RIDGES.
656 PM EST WED FEB 24 2016 A COLD FRONT WILL MOVE THROUGH THE REGION TONIGHT AND ALLOW STRONG NORTHWEST WINDS TO USHER COLDER AIR INTO THE REGION. UPSLOPE SNOW SHOWERS CAN BE EXPECTED WEST OF THE BLUE RIDGE WITH SOME LIGHT ACCUMULATIONS AT THE HIGHER ELEVATIONS. HIGH PRESSURE WILL THEN BUILD IN WITH FAIR AND SEASONABLE WEATHER EXPECTED THROUGH THE WEEKEND. THE ACTUAL SURFACE FRONT WILL BE MOVING THROUGH THE REGION THIS EVENING BUT WINDS WILL REMAIN SWLY FOR A WHILE BEFORE SHIFTING TO THE NORTHWEST TONIGHT SO IT WILL BE A WHILE BEFORE THE COLDER ARRIVES WITH UPSLOPE SNOWS DEVELOPING WEST OF THE BLUE RIDGE.
1002 PM EST WED FEB 24 2016 DEEP LOW PRESSURE PASSING WELL TO THE NORTHWEST WILL PUSH A COLD FRONT THROUGH THE AREA TONIGHT.
LOWS TONIGHT WILL BE IN THE LOW TO MID 30S. AS THE UPPER LEVEL LOW.
705 PM EST WED FEB 24 2016 COOLER AND DRIER AIR WILL PUSH INTO THE AREA OVERNIGHT. TORNADO WATCH HAS BEEN CANCELED AS STORMS HAVE SHIFTED EAST OF THE AREA AS THE COLD FRONT CONTINUES TO PUSH ACROSS THE EASTERN MIDLANDS AND PEE DEE REGION LATE THIS AFTERNOON. DRIER AIR IS WORKING INTO THE AREA BEHIND THE COLD FRONT AS DEWPOINTS HAVE DROPPED INTO THE 40S. LOWS TONIGHT INTO THE LOWER 40S WITH THE COLD AIR ADVECTION.
WESTERLY WINDS THIS EVENING WILL TURN TO THE NORTH-NORTHEAST FOLLOWING A COLD FRONT. A COLD FRONT WAS MOVING QUICKLY SOUTH THROUGH THE HIGH PLAINS. A COOLER AIRMASS BEHIND THE FRONT WILL TAKE HIGH TEMPERATURES BACK DOWN INTO THE LOWER TO MIDDLE 50S ON THURSDAY.
A WEAK COLD FRONT WILL CONTINUE TO MOVE INTO OK TONIGHT AND HAS ALREADY MADE IT INTO NW PORTIONS OF THE STATE. TEMPS ARE ACTUALLY A BIT WARMER ACROSS NW OK RIGHT NOW THANKS TO GUSTS TO AROUND 30 MPH.
951 PM EST WED FEB 24 2016 COOLER AND DRIER AIR WILL PUSH INTO THE AREA OVERNIGHT. COLD FRONT HAS SWEPT THROUGH THE REGION AND CONTINUES TO PUSH EASTWARD ACROSS EASTERN NORTH CAROLINA LATE THIS EVENING AS COOL AND DRY HIGH PRESSURE RUSHES INTO THE AREA IN ITS WAKE.
HIGH PRESSURE WILL BRING A QUICK RETURN OF ABOVE AVERAGE TEMPERATURES THE SECOND HALF OF THE WEEK WITH DRY CONDITIONS CONTINUING. RIDGING WILL BUILD IN THURSDAY FROM THE WEST RESULTING IN SEVERAL DEGREES OF WARMING AT LEAST FOR THE WESTERN AND CENTRAL DESERTS.
THE POWERFUL STORM SYSTEM WILL MOVE AWAY TONIGHT AS THE COLD FRONT PUSHES OFFSHORE OVERNIGHT. BLUSTERY CONDITIONS WILL FOLLOW AS HIGH PRESSURE BUILDS EAST TONIGHT AND THU. THE SFC COLD FRONT IS MAKING INTO THE COASTAL PLAIN. SKIES WILL CLEAR FROM WEST TO EAST OWING TO DRY COLD AIR ADVECTION IN THE WAKE OF THE COLD FRONT. SHORT WAVE ENERGY WILL CONTINUE TO ROTATE ACROSS THE OHIO VALLEY AROUND THE MAIN UPPER TROF THURSDAY AND THURSDAY NIGHT.
COLD FRONT SHIFTING EAST OF THE AREA THIS EVENING WITH JUST A FEW LIGHT SHOWERS LINGERING ALONG THE TREASURE COAST. THIS ACTIVITY WILL DIMINISH BY LATE EVENING AS DRIER/COOLER AIR BUILDS IN BEHIND THE BOUNDARY. BREEZY W/NW WINDS WILL CONTINUE THROUGH AT LEAST MIDNIGHT AND MAY PERSIST EVEN OVERNIGHT AS PRESSURE GRADIENT REMAINS TIGHT BETWEEN FRONT AND HIGH PRESSURE BUILDING INTO THE WESTERN GULF. TEMPERATURES WILL COOL INTO THE UPPER 40S NW OF I-4 AND IN THE LOW/MID 50S FARTHER SOUTH.
STRONG UPPER RIDGING WILL BUILD INTO THE REGION TONIGHT AND REMAIN THROUGH THURSDAY.
607 PM CST WED FEB 24 2016 GUSTY NORTHWEST WINDS BEHIND A COLD FRONT WILL SUBSIDE TONIGHT. SEASONABLE TEMPERATURES EXPECTED AS HIGH PRESSURE CROSSES THE AREA. WARM AIR ADVECTION WILL BEGIN AS WARMER AIR BEGINS TO ADVECT EAST OFF OF THE HIGHER TERRAIN TO THE WEST.
TEMP TIME HEIGHT PROFILES ACROSS THE PLATEAU SHOWS A STEADY TO SLIGHTLY DECREASING FREEZING LEVEL OVERNIGHT. THE WARM GROUND AND ABOVE FREEZING TEMPS MAY DELAY ANY ACCUM UNTIL AFTER THE ADVISORY STARTS. WITH SFC TEMPS EXPECTED TO REMAIN ABOVE FREEZING AT CKV THROUGHOUT THE FORECAST PERIOD, NO SNOW ACCUMS ARE EXPECTED. SFC TEMPS ARE EXPECTED TO REMAIN ABOVE FREEZING AT BNA THROUGH THE FORECAST PERIOD, THEREBY PROHIBITING SNOW ACCUM. HOWEVER, TEMPS ARE FORECAST TO REACH FREEZING OVERNIGHT AT CSV, AND A WINTER WEATHER ADVISORY IS IN EFFECT FOR THE CUMBERLAND PLATEAU FOR MIDNIGHT TONIGHT THROUGH NOON THURSDAY, FOR ONE TO TWO INCHES OF SNOW ACCUM.
Tonights lows drop to below freezing. Either way, wet roads that are mainly untreated or have rinsed off their salt from melting snow today will be at risk for refreezing once the temps drop to at or below freezing. Forecast soundings not offering much hope with respect widespread clearing tomorrow and as a result, with the combination of the new snow cover, especially over the eastern half of the forecast area, and a mostly cloudy sky, will trend closer to the cooler guidance numbers for afternoon highs.
WHICH IS REFLECTED IN THE LOWS BEING SLIGHTLY WARMER ACROSS THE WESTERN ZONES. WARMER START.
852 PM EST WED FEB 24 2016 COLD FRONT HAS PUSHED EAST OF THE AREA AND WINDS CONTINUE TO GRADUALLY VEER TOWARDS THE WEST. COOLER AND DRIER AIR WILL CONTINUE TO FILTER INTO THE REGION WITH TEMPS FALLING INTO THE 40S AT ALL LOCATIONS AFTER MIDNIGHT. BREEZY CONDITIONS WILL CONTINUE THIS EVENING BEHIND THE COLD FRONT WITH WINDS GUSTING UP TO AROUND 25 TO 30 MPH. WINDS WILL CONTINUE TO INCREASE OVERNIGHT BEHIND A DEPARTING COLD FRONT.
316 PM MST WED FEB 24 2016 THE LARGE SCALE PATTERN SUPPORTS HIGH PRESSURE OVER WESTERN NORTH AMERICA. WITH LOW PRESSURE OVER THE EAST. AND FLATTEN THE WESTERN RIDGE THROUGH NEXT MIDWEEK. THE RIDGE WILL THEN REBOUND BEHIND EACH PASSING WAVE. THE HIGH CLOUDS TONIGHT MAY KEEP TEMPERATURES A TAD WARMER THAN LAST NIGHT'S. THE NORTHWEST FLOW WILL GRADUALLY RELAX THROUGH THE END OF THE WORK WEEK AS A TROUGH IN THE PACIFIC NORTHWEST PUSHES HIGH PRESSURE OVER THE ROCKIES. HOWEVER POPS REMAIN ON THE LOW SIDE.
710 PM EST WED FEB 24 2016 A STRONG LOW PRESSURE SYSTEM OVER WESTERN KY AT MID AFTERNOON WILL STRENGTHEN AS IT LIFTS NORTHEAST ACROSS THE UPPER OHIO VALLEY AND LOWER GREAT LAKES REGION.
THE COLD FRONT FOLLOWS THIS SHEAR LINE CLOSELY. AN INTENSE WAVE CYCLONE IS EVOLVING OVER THE OHIO VALLEY-GREAT LAKES. WHILE A LOW-LATITUDE HIGH PRESSURE CELL REMAINS CENTERED WELL WEST OF THE AREA. AND FOR THE STRAITS OF FLORIDA WEST OF THE SEVEN MILE BRIDGE. A COLD FRONT WILL SWEEP SOUTHEASTWARD ACROSS THE STRAITS OF FLORIDA OVERNIGHT.
WINDS CONTINUE TO SLOWLY DIMINISH THIS AFTERNOON AS HIGH PRESSURE BUILDS INTO THE REGION.