Aikyam-Lab/Synoptic-Bench huggingface dataset:
609 PM EDT MON APR 11 2016 LOW PRESSURE OVER ONTARIO PROVINCE WILL PUSH A WARM FRONT NORTHWARD ACROSS THE AREA THIS EVENING. A TRAILING COLD FRONT WILL CROSS THE REGION ON TUESDAY.
337 PM CDT MON APR 11 2016 STRONG LOW PRESSURE SYSTEM IS GRADUALLY SHIFTING EAST OF THE AREA THIS AFTERNOON. TUESDAY LOOKS LIKE AN INITIALLY QUIET DAY WITH LIGHT WINDS WITH THE RIDGE OVERHEAD AND CLEAR TO PARTLY CLOUDY SKIES.
SHORT LIVED WARMING TREND ENDS THIS EVENING AS UPPER HEIGHTS CRATER AND THE ATTENDANT COLD FRONT RACES THROUGH. THIS WILL LAND LOW TEMPERATURES BELOW FREEZING TUESDAY MORNING /MAINLY UPPER 20S/. THE UNDERLYING ENVIRONMENT SEEMINGLY FAVORABLE FOR STRONGER RADITIONAL COOLING TUESDAY NIGHT WITH HIGH PRESSURE SETTLING THROUGH.
343 PM EDT MON APR 11 2016 COLD FRONT PASSES THROUGH TONIGHT.
Valleys will likely be locally colder and the urban areas of Kansas City should remain several degrees above freezing.
A cold front was moving SE through the area late this afternoon bringing with it showers and scattered t-storms. High temps on Tues will be limited to the 50s in the cooler airmass.
THE MAIN FORECAST CHALLENGE WILL BE ANY LINGERING LIGHT SNOW CHANCES THIS MORNING BEFORE THE FOCUS SHIFTS TO THE SWITCH TO WARMER WEATHER.
THIS MAKES SENSE THOUGH AS THE LOW PRESSURE THAT MOVED ACROSS THE SRN GREAT BASIN HAS NOW OPENED UP AND IS MORE A DISORGANIZED WAVE MOVING FROM WEST TO EAST OVER ARIZONA AND NEW MEXICO. QUICK ON THE HEELS OF THE WAVE MENTIONED ABOVE IS ANOTHER CLOSED LOW THAT WILL BE OVER SRN CALIF/NRN BAJA BY THIS EVENING.
317 PM EDT MON APR 11 2016 HIGH PRESSURE WILL SHIFT FARTHER OFF SHORE THROUGH TONIGHT. SHOWERS AND THUNDERSTORMS WILL RETURN TO THE AREA TUESDAY AND TUESDAY NIGHT AS A COLD FRONT MOVES ACROSS.
OVERNIGHT TEMPS WILL BE A TOUCH WARMER ON THE CAPROCK AND THE SAME OR SLIGHTLY COOLER ACROSS THE ROLLING PLAINS AS WINDS VEER TO THE SOUTH THEN SOUTHWEST.
WITH H850MB TEMPERATURES RISING ABOVE THE FREEZING MARK BY FRIDAY MORNING ACROSS WESTERN NEBRASKA. WARMER AIR ALOFT WILL CONTINUE TO ADVECT INTO THE AREA DURING THE DAY FRIDAY. VERY DRY AIR ALOFT WILL ALSO ACCOMPANY THE WARMER TEMPERATURES.
THEN DIMINISH THIS EVENING AS STRONG LOW PRESSURE LIFTS NORTHEAST AWAY FROM OUR AREA.
A cold front has made it to the I-10 corridor with northeasterly winds behind it. /issued 452 AM CST THU FEB 25 2016/ (Today and Tonight) A cold front will move south through the Big Country this morning, reaching the Interstate 10 corridor around noon. Afternoon highs across the area today will depend on the speed and placement of the cold front with upper 50s expected in the Big Country and mid 60s expected across the Interstate 10 corridor. Morning lows tomorrow under clear skies will be similar to this mornings with lows mostly in the lower 30s.
GIVEN THE SLIGHTLY WARMER SURFACE TEMPS. A FEW POCKETS OF FLURRIES ARE POSSIBLE FRIDAY NIGHT ACROSS FAR NORTHEASTERN AREAS AS A WEAK TROUGH AXIS TRACKS THROUGH THE REGION. A RIDGE OF HIGH PRESSURE BUILDS IN FOR THE WEEKEND.
151 PM CST THU FEB 25 2016 A cold front continues to move through the forecast area this afternoon and is currently located near the Pecos River Valley.
DRY WEATHER CONDITIONS AND UNSEASONABLY WARM TEMPERATURES WILL CONTINUE THROUGH THE REMAINDER OF THE WORK WEEK AS HIGH PRESSURE REMAINS OVER THE AREA. THE UPPER LEVEL RIDGE THAT BROUGHT WELL ABOVE NORMAL TEMPERATURES TO THE BAY AREA WILL GRADUALLY SLIDE TO THE EAST. BEHIND THE DEPARTING RIDGE AN UPPER LEVEL TROUGH AND WEAK COLD FRONT WILL MOVE INTO THE REGION ON FRIDAY.
12Z UPPER AIR ANALYSIS AND WATER VAPOR IMAGERY SHOWING A HIGH AMPLITUDE TROUGH OVER THE EASTERN HALF OF THE CONUS WITH RIDGING IN THE WEST. A 1032 MB HIGH PRESSURE HAS BUILT INTO WESTERN NEB/KANSAS. THESE WINDS ARE EXPECTED TO DROP OFF THIS EVENING AS THE HIGH MOVES OVER OUR CWA. QUIET CONDITIONS EXPECTED FOR TONIGHT AS THE HIGH PRESSURE APPROACHES. RANGING FROM THE LOWER 50S IN OUR NORTHEAST CWA TO NEAR 60 IN THE SW UNDER MOSTLY SUNNY SKIES.
BUT THINK WITH THE LOW LEVEL FLOW BECOMING MORE SOUTHWESTERLY WE SHOULD SEE A DECREASE IN THE LOWER CLOUDS LATER TONIGHT. NORTHWESTERLY FLOW ALOFT CONTINUES AS THE UPPER RIDGE BUILDS OVER THE NORTHERN ROCKIES. THE SOUTHWEST SFC WINDS AND WARM AIR MASS WILL CONTINUE INTO FRIDAY NIGHT AS THE UPPER RIDGE AXIS BEGINS TO MOVE INTO THE PLAINS.
MODELS KEEP BROAD H5/H7 RIDGE JUST TO THE WEST OF THE PLAINS REGION. WITH SURFACE RIDGING OUT OVER THE PLAINS. LOOKING FOR LOWS TO RANGE IN THE LOWER TO MID 20S. TRANSLATING TO THE LOWER TO MID 60S FOR HIGHS BY THE AFTERNOON FRIDAY AS NW FLOW KICKS IN.
High pressure will set up over the northern Gulf states Fri/Sat.
215 PM EST THU FEB 25 2016 STRONG AND GUSTY WINDS WILL CONTINUE ACROSS THE REGION THIS AFTERNOON IN TIGHT PRESSURE GRADIENT BETWEEN LOW PRESSURE OVER THE EASTERN GREAT LAKES AND HIGH PRESSURE OVER THE PLAINS. THE AREA OF HIGH PRESSURE WILL BUILD OVER THE SOUTHEAST OVER THE WEEKEND. LOW PRESSURE OVER THE NEW ENGLAND REGION WILL CONTINUE MOVING AWAY FROM THE AREA AS HIGH PRESSURE OVER THE PLAINS BUILDS EASTWARD ACROSS THE MISSISSIPPI RIVER VALLEY. IN THE LOW TO MID 30S.
1122 AM CST THU FEB 25 2016 THE WIND SHIFT LINE ASSOCIATED WITH A REINFORCING COLD FRONTAL PASSAGE IS NOW EXITING THE SRN CWA AS OF 17Z. AND AS SFC RIDGING BUILDS SE ACROSS THE SRN PLAINS/LOWER MS VALLEY.
/ISSUED 1046 AM CST THU FEB 25 2016/ TEMPERATURES HAVE WARMED UP QUICKLY AHEAD OF THE WEAK REINFORCING COLD FRONT THAT IS CURRENTLY MOVING INTO BURNET AND WILLIAMSON COUNTIES ALONG OUR NORTHERN CWA BORDER.
SHOULD CONTINUE TO SEE IMPROVEMENT THIS EVENING AS THE WINDS DIMINISH AHEAD OF THE SFC RIDGING THAT WILL BUILD SE INTO THE SRN PLAINS THIS EVENING AND ACROSS THE LOWER MS VALLEY LATE TONIGHT. RESULTING IN TEMPS FALLING BELOW FREEZING LATE. TEMPS SHOULD REMAIN JUST ABOVE FREEZING. HAVE TRENDED SLIGHTLY COOLER THAN MOS AND THE PREVIOUS FORECAST WITH MIN TEMPS GIVEN THE DIMINISHING WINDS AND VERY DRY AIR IN PLACE. LIGHT SRLY SFC WINDS WILL RETURN IN WAKE OF THE DEPARTING RIDGE FRIDAY NIGHT WHICH WILL COMMENCE THE WEEKEND WARMUP.
1028 AM CST THU FEB 25 2016 Sfc analysis shows cold front has made it thru KMAF, and continues SW. Cold front has made it through KMAF as of 16Z. A cold front will move south through the area today, expected to reach HOB by 13Z, MAF by 15Z, and FST by around 19Z. /issued 231 AM CST THU FEB 25 2016/ Upper ridge centered over the West Coast this morning will slowly build east the next few days providing mild wx for the region.
326 PM CST THU FEB 25 2016 (Tonight and Friday) The cold front as moved south of I-10, resulting in northeast winds, generally between 10-15 mph, across all of west central TX. Temperatures currently range from the mid 50s in the Big Country to the low/mid 60s over the Concho Valley and northwest Hill Country. This will allow temperatures to fall to near or just below freezing across much of the CWA by Friday morning.
UPPER LEVEL RIDGING OVER THE PACIFIC NORTHWEST WILL BEGIN SHIFTING EASTWARD TODAY.
LOW PRESSURE WILL PULL AWAY FROM CENTRAL INDIANA DURING THE DAY TODAY.
THIS HIGH PRESSURE AREA WILL SETTLE ACROSS THE NORTHERN GULF COAST FRIDAY AFTERNOON AND WINDS WILL SWITCH BACK TO THE SE.
250 PM MST THU FEB 25 2016 HIGH PRESSURE WILL REMAIN THE PREDOMINANT WEATHER FEATURE THROUGH THE WEEKEND. THE WEST COAST RIDGE AXIS WAS SLOWLY TRANSLATING INLAND THIS AFTERNOON WITH 12Z REGIONAL SOUNDING ANALYSIS SAMPLING WIDESPREAD H5 HEIGHTS NEAR 580DM.
SOME CLOUDINESS WILL MOVE ACROSS TODAY INTO TONIGHT ACROSS THE NORTHEAST HALF OF CENTRAL ALABAMA WITH WINDY CONDITIONS STILL NOTED AND SHOULD REMAIN THROUGH THE AFTERNOON AS PRESSURE GRADIENTS ARE EXPECTED TO RELAX SOME TONIGHT AS THE RIDGE SETTLES IN OVER THE DEEP SOUTH. /ISSUED 251 AM CST THU FEB 25 2016/ UPPER LOW FINALLY EXITS THE AREA TODAY AND MARKS THE START OF A MULTI-DAY RAIN FREE PERIOD THROUGH THE WEEKEND.
A LITTLE WARMER TONIGHT THROUGH FRIDAY NIGHT AS UPPER RIDGE AXIS PASSES THROUGH.
/ISSUED 301 AM CST THU FEB 25 2016/ A cold front has pushed through much of the area this morning with little impact. Rather chilly temperatures are expected tonight as high pressure builds into the region behind the cold front.
A WEAK COLD FRONT SETTLING INTO THE EASTERN PLAINS WILL LEAVE TEMPERATURES A FEW DEGREES COOLER AND SLIGHTLY BELOW NORMAL TODAY WHILE THE CENTRAL TO WESTERN SECTIONS OF NEW MEXICO RISE SLIGHTLY ABOVE NORMAL FOR LATE FEBRUARY.
UPPER RIDGE HOLDING ITS POSITION OVER THE WESTERN U. VFR WILL PREVAIL AS CENTRAL AND SOUTHWEST MONTANA REMAIN UNDERNEATH A HIGH PRESSURE RIDGE THROUGH 18Z FRI.
SECONDARY COLD FRONTAL/TROF PASSAGE EXPECTED WITH A BRIEF PERIOD OF PARTLY CLOUDY SKIES OVERNIGHT. NORTHWEST FLOW AROUND 10 MPH WITH THE FRONTAL PASSAGE TOWARDS MORNING WILL PUSH WIND CHILL VALUES DOWN INTO THE LOWER/MIDDLE 30S. COOLER NORTHWEST FLOW WILL PUSH THROUGH THE REGION WITH MAX TEMPS IN THE UPPER 50S SE GA AND LOWER 60S NE FL.
HIGH PRESSURE AND SEASONAL CONDITIONS RETURN FOR THE WEEKEND. THE UPPER TROUGH IS EXPECTED TO PIVOT ACROSS THE LOWER GREAT LAKES TODAY. THE LATEST MODEL GUIDANCE INDICATES THAT A SECONDARY COLD FRONT COULD PRODUCE A BETTER PERIOD FOR SNOW SQUALL-LIKE CONDITIONS. WHILE THE FOCUS FOR SNOW ACCUMULATION WILL BE IN THE RIDGES AND OUR COUNTIES NORTH OF I-80. STRONG MIXING IN THE HAS PRODUCED GUSTS NEAR 40MPH IN THE RIDGES.
High pressure will continue to lead to pleasant conditions across western Montana and central Idaho through Friday.
/ISSUED 1004 AM EST THU FEB 25 2016/ MADE SOME MINOR TWEAKS TO THE HIGH TEMPS FOR TODAY. WINTER WEATHER ADVISORY IS IN EFFECT FOR THE HIGHER ELEVATIONS OF DISTURBANCES EMBEDDED WITHIN THE NORTHWEST FLOW ALOFT.
LOW PRESSURE WILL EXIT THE EASTERN UNITED STATES TONIGHT. ALLOWING HIGH PRESSURE OVER THE WESTERN HIGH PLAINS TO BUILD ACROSS INDIANA AND THE OHIO VALLEY.
1250 PM EST THU FEB 25 2016 STRONG NORTHWEST FLOW WILL BE FOUND OVER THE OHIO VALLEY AS LOW PRESSURE EJECTS NORTHEAST AND AWAY FROM THE REGION TODAY. HIGH PRESSURE WILL BUILD IN THE UPPER MIDWEST TONIGHT AND CROSS THE OHIO RIVER BY FRIDAY EVENING.
BUT AN AREA OF CLEARING/SCATTERED CLOUD WAS MOVING SOUTHEAST ACROSS PORTIONS OF THE AREA AS A RIDGE OF HIGH PRESSURE WAS PUSHING IN FROM THE NORTHERN PLAINS/MN. TO THE LOWER/MIDDLE 30S. CLOUDS WILL BE THE RESULT OF WEAK WAA/ISENTROPIC UPGLIDE AHEAD OF A MID-LEVEL TROUGH/SURFACE WARM FRONT PUSHING EAST OUT OF THE DAKOTAS.
SCATTERED SNOW SHOWERS AND FLURRIES ACCOMPANIED THE PASSAGE OF THE TROF AND CONTINUED IN THE COLD ADVECTION REGIME BEHIND THE UPPER LEVEL FEATURE. THE TROF WILL PUSH SOUTHEAST OUT OF THE NORTHLAND THIS EVENING AND BREAKS IN THE CLOUDS HAVE DEVELOPED WITHIN THE PAST FEW HOURS. MOISTURE WILL BE SOMEWHAT LACKING WITH THE NEXT TROF. AN ELEVATED WARM FRONT WILL MOVE THROUGH THE FORECAST AREA FRIDAY NIGHT.
TONIGHT THROUGH FRIDAY A RIDGE WILL BE MOVING IN FROM THE WEST WITH THE AXIS SITTING STRAIGHT OVERHEAD FRIDAY AFTERNOON. A LEE TROUGH WILL DEVELOP AND STRENGTHEN WITH SOME 20 TO 35 MPH GUSTS DEVELOPING FROM THE RED DESERT THROUGH CASPER BY FRIDAY AFTERNOON.
UPDATED HOURLY VALUES TO REFLECT CURRENT TRENDS AND RAISED THE HIGHS ONE DEGREE OR SO OVER MUCH OF THE AREA. /ISSUED 404 AM CST THU FEB 25 2016/ LATEST SURFACE ANALYSIS REVEALED A 1024MB HIGH OVER SOUTH TEXAS AND WEST GULF WITH THE RIDGE AXIS EXTENDING NORTHEAST OVER LOWER MISSISSIPPI VALLEY. UPPER AIR ANALYSIS AND IR SATELLITE IMAGERY SHOWED A CYCLONIC CIRCULATION OVER THE GREAT LAKES WITH THE TROUGH AXIS ALONG THE EAST COAST AND NORTHWEST FLOW OVER MISSISSIPPI VALLEY AND PLAINS. UPPER AIR DISTURBANCE WILL TRACK SOUTHEAST PUSHING THROUGH THE LOWER MISSISSIPPI VALLEY TONIGHT.
253 PM MST THU FEB 25 2016 THE LONG WAVE PATTERN SUPPORTS A RIDGE OF HIGH PRESSURE OVER THE WESTERN PORTION OF NORTH AMERICA WITH LOW PRESSURE ACROSS THE EASTERN HALF. IT APPEARS AN ASSOCIATED COLD FRONT WILL DROP INTO THE FAR NORTHEAST UT LATE SAT AFTERNOON.
A REINFORCING COLD FRONT WILL MOVE ACROSS THE FORECAST AREA THIS AFTERNOON. /ISSUED 440 AM CST THU FEB 25 2016/ LATEST UPPER AIR ANALYSIS/WATER VAPOR SATELLITE IMAGERY REVEALED AN UPPER TROF PREVAILING OVER THE ERN HALF OF THE CONUS. HIGH PRESSURE WAS CENTERED OVER THE WESTERN GULF OF MEXICO. WHILE A COLD FRONT WAS LOCATED TO THE NORTHWEST JUST SOUTH OF DFW TX. SEASONAL TEMPERATURES ARE EXPECTED TODAY AMID AMPLE SUN AND A PRE-FRONTAL THERMAL RIDGE. WHILE AT THE SFC THE HIGH PRESSURE CONTINUES EASING EAST INTO THE AREA. BELOW NORMAL HIGHS ARE EXPECTED AMID THE COOLER THERMAL PROFILE DESPITE CONTINUED AMPLE SUN.
AND FRIDAY A POWERFUL LOW PRESSURE SYSTEM. AS THIS LOW PULLS AWAY. HIGH PRESSURE WILL BUILD IN FROM THE WEST LATER TONIGHT AND FRIDAY. TEMPERATURES TODAY WILL BE COOLER. WITH HIGHS FROM THE MIDDLE 20S TO THE LOWER 30S. LOWS TONIGHT WILL ALSO BE COOLER. IF THE HIGH CAN BREAK LOOSE SOME CLOUDS TEMPERATURES COULD PLUMMET FURTHER.
Winds should be calming down this evening too as the pressure gradient slackens and high pressure drops in over the eastern Plains. Wind will turn to the west-southwest Friday afternoon as the ridge axis passes east of the area helping to push highs back up to near or sightly above normal.
COLD AIR STRATOCUMULUS DECK WILL PERSIST FOR MAJORITY OF THE VALID TAF PERIOD IN REGIME OF NW FLOW ALOFT IN WAKE OF DEPARTING CYCLONE.
Cold front has made it through KMAF as of 16Z. A cold front will move south through the area today, expected to reach HOB by 13Z, MAF by 15Z, and FST by around 19Z. /issued 231 AM CST THU FEB 25 2016/ Upper ridge centered over the West Coast this morning will slowly build east the next few days providing mild wx for the region.
COLD AIR ADVECTION WILL OCCUR ABOVE THE SURFACE THIS AFTERNOON AS AN UPPER LEVEL TROUGH MOVES NORTHEAST OF THE REGION. /ISSUED 257 AM CST THU FEB 25 2016/ A WEAK COLD FRONT WILL MOVE ACROSS NORTH AND CENTRAL TEXAS THIS MORNING AND BRING A REINFORCEMENT OF DRY AND COOL AIR. HIGHS FRIDAY WILL BE GENERALLY IN THE LOWER 60S.
WEAK RIDGING ALOFT BUILDS IN FOR SAT AND SUN AND AS THE HIGH SHIFTS TO THE EAST. A WARMER SOUTHERLY RETURN FLOW DEVELOPS OVER THE AREA.
WV imagery indicates a broad upper level trough of low pressure shifting slowly east across the Great Lakes. Near the surface, an area of high pressure is moving southeast across the high plains of northeast Colorado. The dome of high pressure will continue to build into the area today then slip south of the area tonight.
1127 AM CST THU FEB 25 2016 HIGH PRESSURE WILL CONTINUE TO BRING CLEAR SKIES AND VFR CONDITIONS TO ALL OF THE TERMINALS THROUGH TOMORROW.
THIS EVENING THROUGH FRIDAY NIGHT NORTHWEST FLOW ALOFT CONTINUES ACROSS THE CNTRL CONUS AS A LARGE TROUGH AS UPPER RIDGING SITS ACROSS THE CNDN ROCKIES INTO THE GREAT BASIN. SKIES WILL CLEAR OUT BY 15Z FRI ON THE BACKSIDE OF THE WAVE AS THE RIDGING BUILDS IN.
257 PM CST THU FEB 25 2016 Northwesterly flow aloft remained in place over the region as the main mid-level trough was stretched across the eastern U. An embedded wave within the western edge of this trough was noted on water vapor imagery with low clouds continuing to slide southward across eastern Kansas this afternoon. The combination of light winds and mostly clear skies will lead to decent radiational cooling and low temperatures tonight plunging into the low/mid 20s. Models show another weak mid-level trough skimming across the area tomorrow, however expect nothing more than some mid-level clouds to develop during the day.
BECOMING E TO NE OVERNIGHT AS ANOTHER SURGE OF HIGH PRESSURE BUILDS ACROSS THE AREA. WINDS ARE EXPECTED TO VEER ONCE AGAIN TO THE E AND SE THROUGH FRI AFTERNOON AS THE HIGH PRESSURE MOVES EAST. WHICH IS APPARENT ON SATELLITE AS WELL AS THE LOW DEWPOINTS BEING REPORTED ACROSS S TX. AN UPPER LEVEL DISTURBANCE OVER THE NRN PLAINS IS PREDICTED BY THE DETERMINISTIC GFS TO MOVE ACRS THE LOWER MISSISSIPPI VALLEY REGION TONIGHT/EARLY FRIDAY.
HIGH PRESSURE WILL BUILD ACROSS THE AREA THROUGH THE WEEKEND WITH DRY CONDITIONS AND WELL ABOVE NORMAL TEMPERATURES. INTERMOUNTAIN REGION UNDER A DRY WEST- NORTHWEST FLOW WITH THE RIDGE AXIS TO OUR WEST. AS OF 9 AM, TEMPERATURES RUNNING 4 TO 7 DEGREES WARMER THAN YESTERDAY.
HIGH PRESSURE BUILDING INTO THE REGION WILL BRING VFR CONDITIONS THRU THE TAF PERIOD. /ISSUED ISSUED BY NATIONAL WEATHER SERVICE TULSA OK/ A WEST-EAST ORIENTED UPPER TROUGH AXIS WILL DIVE SOUTH AND THEN SOUTHEAST OVER THE CENTRAL PART OF THE COUNTRY TODAY. AT THE SURFACE, HIGH PRESSURE CENTERED OVER WESTERN NEBRASKA WILL SLIDE DOWN OVER THE REGION BY THIS EVENING. BECOMING LIGHT BY EARLY EVENING AS THE RIDGE CENTER APPROACHES.
HIGH PRESSURE WILL PASS SOUTH OF THE REGION FRIDAY AFTERNOON AND NIGHT ALLOWING WINDS TO SHIFT AROUND TO THE SOUTHWEST. WHILE PAVEMENT TEMPERATURES WILL BE FALLING BELOW FREEZING DURING THE EVENING.
/ISSUED 418 AM CST THU FEB 25 2016/ COOL AND DRY AIR MASS WILL SOON BE REINFORCED WITH A DRY COLD FRONT DROPPING SOUTH FROM THE PLAINS INTO OUR REGION EARLY THIS MORNING. HIGH PRESSURE WILL QUICKLY ALLOWING FOR IDEAL RADIATIONAL COOLING AND TEMPERATURES FALLING NEAR OR BELOW FREEZING AREA WIDE ON FRIDAY MORNING. AS THE HIGH SHIFTS SE LATER ON FRIDAY. SOUTHERLY WINDS WILL GRADUALLY RETURN AND BEGIN A WARMING TREND HEADING INTO THE WEEKEND AS UPPER RIDGE SETTLES OVER THE REGION.
1129 AM CST THU FEB 25 2016 UPDATED TO ADD SNOW SHOWERS WITH TROF MOVING INTO THE NORTHWEST. OVERNIGHT TEMPERATURES ARE DIFFICULT DUE TO UNCERTAINTY IN CLOUD COVER AND TIMING/DURATION OF CLEARING ASSOCIATED WITH RIDGE AXIS. NORTHWEST FLOW ALOFT TO BEGIN THE WEEKEND WITH A RIDGE OF WARM AIR MOVING EAST ACROSS THE NORTHERN PLAINS INTO THE UPPER MIDWEST RESULTING IN WARMER TEMPERATURES.
IT PROBABLY SHOULD BE PROTECTED REGARDLESS OF WHETHER FREEZING TEMPS ARE FORECAST AT YOUR LOCATION OR NOT. SUNNY SKIES WILL PREVAIL AND TEMPERATURES WILL WARM INTO THE LOW TO MID 60S FOR MOST AREAS.
HIGH PRESSURE MOVING ACROSS THE CWA FRIDAY WILL MAKE FOR ANOTHER PRISTINE DAY WEATHER-WISE.
/ISSUED 910 AM EST THU FEB 25 2016/ HIGH PRESSURE WILL CONTINUE TO WORK INTO THE FLORIDA PENINSULA TODAY FROM THE NORTH. /ISSUED 351 AM EST THU FEB 25 2016/ COOLER, DRIER AIR IS ON THE WAY AS A COLD FRONT EXITS SOUTH FLORIDA THIS MORNING.
AN UPPER RIDGE WILL REMAIN STRONG OVER THE WEST COAST THROUGH TODAY.
/ISSUED 440 AM CST THU FEB 25 2016/ LATEST UPPER AIR ANALYSIS/WATER VAPOR SATELLITE IMAGERY REVEALED AN UPPER TROF PREVAILING OVER THE ERN HALF OF THE CONUS. HIGH PRESSURE WAS CENTERED OVER THE WESTERN GULF OF MEXICO. WHILE A COLD FRONT WAS LOCATED TO THE NORTHWEST JUST SOUTH OF DFW TX. SEASONAL TEMPERATURES ARE EXPECTED TODAY AMID AMPLE SUN AND A PRE-FRONTAL THERMAL RIDGE. WHILE AT THE SFC THE HIGH PRESSURE CONTINUES EASING EAST INTO THE AREA. BELOW NORMAL HIGHS ARE EXPECTED AMID THE COOLER THERMAL PROFILE DESPITE CONTINUED AMPLE SUN.
WAS THE DEEP UPPER TROUGH GRADUALLY MOVES EAST. AS THE CLOUDS MOVE EAST AND UPPER TROUGH REACHES TO EAST COAST. THE CDFNT WL BRING NWLY WINDS AND A REINFORCING SHOT OF COOLER AIR.
1046 AM CST THU FEB 25 2016 TEMPERATURES HAVE WARMED UP QUICKLY AHEAD OF THE WEAK REINFORCING COLD FRONT THAT IS CURRENTLY MOVING INTO BURNET AND WILLIAMSON COUNTIES ALONG OUR NORTHERN CWA BORDER.
250 PM EST THU FEB 25 2016 SHALLOW STRATOCU HAS CLEARED THE LOWER KEYS. ECHOES ON KBYX DOPPLER RADAR WEST AND NORTHWEST OF THE LOWER KEYS ARE CHAFF. COOL CONDITIONS WILL PERSIST FOR THE NEXT COUPLE OF DAYS THANKS TO DEEPENED NORTHERLY FLOW FORCED BY THE HIGH PRESSURE CONSOLIDATING ACROSS THE EASTERN GULF OF MEXICO AND FLORIDA PENINSULA.
439 PM EST THU FEB 25 2016 SMALL STREAMS AND CREEKS WILL REMAIN ELEVATED ACROSS THE LOWER SUSQUEHANNA VALLEY TODAY. SNOW SHOWERS WILL PERSIST OVER THE HIGHER ELEVATIONS OF THE ALLEGHENIES. TRANSITION TO NWRLY WINDS IN PROGRESS AS SECONDARY TROF AXIS SWINGS THROUGH THE STATE. AS WEAK RIDGE OF HIGH PRESSURE SLIDES INTO THE AREA.
RIDGING ALOFT FLATTENS AND MOVES OVERHEAD. INDUCING A STRENGTHENING SURFACE LEE TROUGH AND PRODUCING A RELATIVELY MILD OVERNIGHT. ESPECIALLY NEAR THE MOUNTAINS FROM WHEATLAND TO CHEYENNE WHERE ABOVE FREEZING TEMPERATURES WILL PREVAIL.
DRY WEATHER CONDITIONS AND UNSEASONABLY WARM TEMPERATURES WILL CONTINUE THROUGH THE REMAINDER OF THE WORK WEEK AS HIGH PRESSURE REMAINS OVER THE AREA. HIGH PRESSURE ALOFT WILL PROVIDE ANOTHER SUNNY AND WARM DAY ACROSS THE DISTRICT WITH HIGH TEMPERATURES EXPECTED IN THE 60S AND 70S. THE TAIL END OF THIS SYSTEM IS PROGGED TO MOVE ACROSS NORTHERN CALIFORNIA LATE FRIDAY AND FRIDAY NIGHT BRINGING COOLER TEMPERATURES AND RAIN CHANCES TO MAINLY THE NORTH BAY.
A COLD FRONT. AND ASSOCIATED HIGH PRESSURE. THE FRONT WILL CONTINUE MOVG S OVERNIGHT WITH HIGH PRESSURE BUILDING ACROSS S TX IN ITS WAKE. FRI'S HIGHS WILL BE A TAD COOLER BUT GENERALLY IN THE UPPER 60S TO MID 70S.
HIGH PRESSURE AND SEASONAL CONDITIONS RETURN FOR THE WEEKEND. UPPER TROUGH IS EXPECTED TO PIVOT ACROSS THE LOWER GREAT LAKES TODAY. ESPECIALLY SOUTH OF I-70 AND IN THE RIDGES PER THE LATEST HI RES MODEL DATA. AND OMEGA PLACEMENT SUPPORTS THE ONGOING WINTER WEATHER ADVISORY FOR THE HIGHER TERRAIN IN WV. STRONG MIXING IN THE HAS PRODUCED GUSTS NEAR 40MPH IN THE RIDGES.
THE H500 RIDGE MOVES EAST TO THE CENTRAL AND NORTHERN PLAINS WITH BROAD WARM ADVECTION.
1004 AM CST THU FEB 25 2016 UPDATED TO ADD SNOW SHOWERS WITH TROF MOVING INTO THE NORTHWEST. OVERNIGHT TEMPERATURES ARE DIFFICULT DUE TO UNCERTAINTY IN CLOUD COVER AND TIMING/DURATION OF CLEARING ASSOCIATED WITH RIDGE AXIS. NORTHWEST FLOW ALOFT TO BEGIN THE WEEKEND WITH A RIDGE OF WARM AIR MOVING EAST ACROSS THE NORTHERN PLAINS INTO THE UPPER MIDWEST RESULTING IN WARMER TEMPERATURES.
AN UPPER LEVEL RIDGE REMAINS OVER THE PACIFIC NORTHWEST THIS MORNING. THIS RIDGE WILL GRADUALLY SHIFT EAST TONIGHT DUE TO AN APPROACHING EASTERN PACIFIC DISTURBANCE.
A WEAK COLD FRONT IS CURRENTLY MOVING THROUGH SOUTH CENTRAL TEXAS THIS AFTERNOON TO ADVECT IN DRIER AIR AND NORTHWEST 5-10 KT WINDS. SO THIS COMBINED WITH DRIER AIR AND WEAKENING WINDS WITH HIGH PRESSURE MOVING INTO THE REGION. BUT TEMPERATURES WILL STILL BE A FEW DEGREES COOLER THAN TODAY WITH HIGHS GENERALLY IN THE MID 60S.
1041 AM MST THU FEB 25 2016 TODAY THROUGH FRIDAY HIGH PRESSURE WILL REMAIN OVER THE WESTERN HALF OF THE U. WITH BROAD LOW PRESSURE OVER THE EASTERN HALF OF THE COUNTRY. THIS MORNING THE MAIN 500 MB RIDGELINE WILL EXTEND FROM SOUTHERN CALIFORNIA UP THE WEST COAST TO BRITISH COLUMBIA AND ALASKA. THE RIDGE WILL MOVE STEADILY EAST THROUGHOUT THE DAY AND TONIGHT. BY FRIDAY MORNING THE RIDGELINE WILL BE OVER THE WESTERN GREAT BASIN AND IT SHOULD REACH EASTERN UT BY LATE FRI AFTERNOON. NIGHTTIME TEMPERATURES IN THE HIGHER VALLEYS WILL REMAIN QUITE COLD.
HIGH PRESSURE ALOFT OVER THE WEST COAST STATES WILL SHIFT EAST INTO THE GREAT BASIN ON FRIDAY.
GUSTY NORTHWEST WINDS IN THE WAKE OF THE FRONT WILL OFFSET INSOLATION THIS AFTERNOON BUT TEMPERATURES WERE ALREADY RUNNING SEVERAL DEGREES WARMER THAN ANTICIPATED. HAVE INCREASED AFTERNOON HIGHS SEVERAL DEGREES ESPECIALLY SOUTH OF THE HIGHWAY 82 CORRIDOR. LATEST SATELLITE IMAGERY SHOWED A LARGE UPPER TROF OVER THE EASTERN CONUS. WHICH WAS ASSOCIATED WITH A CLOSED UPPER LOW OVER THE GREAT LAKES REGION.
955 AM PST THU FEB 25 2016 High pressure will deliver dry and mild conditions through the rest of the work week. A strong high amplitude ridge of high pressure is slowly moving into the region this morning. Some high level moisture moving over the ridge will bring some thin cirrus to the region and filter the sun slightly. Temperatures will be a degree or two warmer but we may also see an increase in the high level clouds.
HIGH PRESSURE SETTLES OVER THE REGION THROUGH THE WEEKEND.
TODAY THROUGH FRIDAY NIGHT CURRENT SURFACE ANALYSIS SHOWS WEAK HIGH PRESSURE OVER THE NORTHERN HIGH PLAINS INTO SOUTH CENTRAL CANADA. AS RIDGE OVER THE WEST COAST SLIDES EAST ACROSS THE WESTERN CONUS AND INTO THE PLAINS BY EARLY THIS WEEKEND. TEMPS TODAY WILL STAY NEAR OR SLIGHTLY ABOVE SEASONAL AVERAGES AS CANADIAN HIGH PRESSURE SLOWLY SLIDES EAST AND SOUTH OF THE AREA. WINDS WILL GRADUALLY TURN TO A SOUTHERLY DIRECTION FROM WEST TO EAST AS THE HIGH MOVES AWAY. FRONTAL BOUNDARY TO THE WEST WILL MOVE EAST ACROSS THE CWA TONIGHT AND EARLY FRIDAY AS A WARM FRONT. SHIFTING WINDS TO A WESTERLY DIRECTION BEHIND IT AND BRINGING WARMER AIR FOR FRIDAY.
1238 PM EST THU FEB 25 2016 STRONG LOW PRESSURE WILL TRACK NORTHEAST ACROSS NORTHERN NEW ENGLAND TODAY.
HIGH PRESSURE WILL BUILD ACROSS THE AREA THROUGH THE WEEKEND WITH DRY CONDITIONS AND WELL ABOVE NORMAL TEMPERATURES.