Aikyam-Lab/Synoptic-Bench huggingface dataset:
WITH RETURN SOUTHERLY FLOW TAKING HOLD DURING THE DAY IN THE LOW LEVELS. AFTER MANY LOCATIONS DROPPED BELOW FREEZING THIS MORNING. THEY ALL AGREE THAT A SLOW BUILDING UPPER RIDGE WILL DOMINATE THE SOUTHEASTERN PORTION OF THE UNITED STATES THROUGH THE LATTER PART OF THE NEW WORK WEEK. THROUGH THIS RIDGE.
119 AM EDT SUN APR 5 2015 HIGH PRESSURE WILL MOVE OVER OUR AREA LATE TONIGHT. AS AN UPPER LEVEL TROF CONTINUES TO EXIT TO THE EAST ALLOWING THE UPPER LEVEL FLOW TO BECOME ZONAL FOR SUNDAY. JUST ABOUT THE ENTIRE WFO RNK FORECAST AREA IS FORECAST TO DROP NEAR OR BELOW FREEZING.
352 AM CDT SUN APR 5 2015 BREEZY EAST WINDS WILL BRING IN COOLER AIR ACROSS NORTHERN PORTIONS OF THE CWA TODAY WHILE SOUTHERN AREAS STAY FAIRLY MILD.
142 AM EDT SUN MAR 29 2015 A RIDGE OF HIGH PRESSURE WILL SLIDE EAST ACROSS EARLY TODAY.
STRONG HIGH PRESSURE ALOFT WILL PROVIDE RECORD OR NEAR RECORD HIGH TEMPERATURES FOR SOME LOCATIONS AGAIN TODAY. UPPER LEVEL RIDGE OVER SE AZ WITH WEAK LOW PRESSURE ALOFT WEST OF THE BAJA CALIFORNIA SPUR NEAR 27N/127W EARLY THIS MORNING. CIRRIFORM CLOUDS MOVING NEWD AHEAD OF THE UPPER LOW WILL RESULT IN PARTLY CLOUDY SKIES THRU TONIGHT. MOISTURE MAINLY ABOVE 700 MB WILL INCREASE LATE TONIGHT AND MON AS THE UPPER LOW APPROACHES THE BAJA SPUR. THESE AMOUNTS ARE IN RESPONSE TO A BACK DOOR COLD FRONT ENCROACHING UPON FAR ERN SECTIONS.
346 AM CDT SUN MAR 29 2015 GUSTY WINDS WILL DEVELOP BEHIND A COLD FRONT THIS MORNING AND AFTERNOON WITH SOME GUSTS NEAR 40 MPH IN NORTHWEST AND WEST CENTRAL OKLAHOMA.
SHOWERS EXTENDED AS FAR SOUTH AS WESTERN AND CENTRAL NEBRASKA, ALONG AND AHEAD OF THE LEADING EDGE OF AN ADVANCING COLD FRONT OVER WESTERN NEBRASKA. THE COLD FRONTAL TIMING SHOULD BE THROUGH DODGE CITY AROUND 9 TO 10 UTC WITH WINDS TURNING NORTH ACROSS THE REST OF SOUTH CENTRAL KANSAS BEFORE AROUND 8 AM. TEMPERATURES OVERNIGHT SUNDAY/EARLY MONDAY WILL NOT BE AS MILD FOLLOWING COOLER AND DRIER AIR MOVING INTO THE REGION. LOW TEMPERATURES ARE EXPECTED TO BE COOLER BY ABOUT 10 DEGREES IN MOST LOCATIONS.
455 AM EDT SUN MAR 29 2015 A COLD FRONTAL SYSTEM WILL MOVE THROUGH THE UPPER MIDWEST AND THROUGH THE REGION LATE THIS AFTERNOON AND EVENING. LOWS SUNDAY NIGHT WILL FALL BACK INTO THE LOWER 30S. SOME CHALLENGES THIS UPCOMING WEEK INCLUDE TIMING OF SHORT WAVE TROFS AND ASSOCIATED PRECIPITATION. INITIALLY DRY CONDITIONS WITH LIMITED MOISTURE SHOULD LIMIT PRECIPITATION ASSOCIATED WITH A WEAK UPPER LEVEL TROF THAT IS EXPECTED TO MOVE ACROSS THE NORTHERN FRINGE OF THE AREA MONDAY NIGHT.
/ISSUED 353 AM CDT SUN MAR 29 2015/ COLD FRONT CURRENTLY PASSING THROUGH NW KANSAS WILL ENTER NE OK AROUND NOON AND PUSH INTO FAR SE BY EARLY EVENING.
UA PATTERN THIS MORNING CONTINUES TO BE DOMINATED BY BROAD TROF OVER THE EASTERN THIRD OF THE NATION WITH RIDGING TO THE WEST.
514 AM EDT SUN MAR 29 2015 HIGH PRESSURE WILL CROSS THE AREA TODAY THEN MOVE EAST OF THE REGION TONIGHT.
EARLY THIS MORNING A COLD FRONT CONTINUED TO PROPAGATE ACROSS CENTRAL NORTH DAKOTA. THE COLD FRONT IS PROVIDING AMPLE LIFT TO SUPPORT AN AREA OF RAIN SHOWERS ACROSS CENTRAL NORTH DAKOTA.
TEMPERATURES SHOULD DROP QUICKLY OVER THE NEXT FEW HOURS TO NEAR FREEZING. AS THE HIGH PRESSURE SYSTEM SHIFTS EAST OF THE AREA WINDS BECOME S/SE SUNDAY MORNING WITH SPEEDS INCREASING TO AROUND 10KTS. A LOW PRESSURE SYSTEM MOVING THROUGH THE GREAT LAKES REGION WILL PUSH A COLD FRONT SOUTH INTO THE TENNESSEE VALLEY AT THE END OF THE CURRENT TAF PERIOD.
612 AM EDT SUN MAR 29 2015 HIGH PRESSURE WILL CROSS THE AREA TODAY THEN MOVE EAST OF THE REGION TONIGHT.
/ISSUED 404 PM CDT SAT MAR 28 2015/ LATEST SURFACE ANALYSIS SHOWED A 1029MB HIGH OVER ILLINOIS WITH THE RIDGE AXIS SOUTH TO THE NORTH CENTRAL GULF. UPPER AIR ANALYSIS SHOWED THE MAIN TROUGH ALONG THE EAST COAST WITH NORTHWEST FLOW OVER MISSISSIPPI VALLEY. THE MAIN TROUGH AXIS ALONG THE EAST COAST WILL LIFT EAST AND ALLOW THICKNESS LAYERS TO INCREASE THROUGH THE REST OF THE WEEKEND. HOWEVER THE WEAKER SOUTHWEST PORTION OF THE COLD FRONT WILL BECOME ELONGATED FROM WEST TO EAST AND SLOWLY PUSH SOUTH ACROSS THE INTERIOR PORTIONS OF THE SOUTHERN STATES ON MONDAY.
A COLD FRONT WILL MOVE SOUTH ACROSS WYOMING AND NEBRASKA OVERNIGHT. AHEAD OF THIS APPROACHING COLD FRONT A SOUTHEASTERLY WIND WILL GRADUALLY INCREASE INTO THE 10 TO 20 MPH RANGE AS THE SURFACE PRESSURE GRADIENT INCREASES. GIVEN THE INCREASING WINDS OVERNIGHT ALONG WITH SOME INCREASING HIGH CLOUDS AFTER MIDNIGHT WILL CONTINUE TO FAVOR THE WARMER GUIDANCE FOR OVERNIGHT LOWS. THE COLD FRONT WILL QUICKLY MOVE SOUTH ACROSS WESTERN KANSAS EARLY SUNDAY MORNING AND BY MID DAY THIS THIS COLD FRONT WILL BE LOCATED IN THE TEXAS PANHANDLE AND CENTRAL OKLAHOMA. BASED ON THESE WIND SPEEDS EARLY SUNDAY BEHIND THE COLD FRONT THE NORTHWEST WINDS ARE EXPECTED TO INCREASE INTO THE 25 TO 35 MPH BY LATE MORNING.
A COLD FRONT WILL MOVE INTO NORTHWEST OKLAHOMA SHORTLY AFTER SUNRISE SUNDAY.
/39 EASTERN STATES UPPER TROUGH WILL BE DRIFTING OFF THE ATLANTIC COAST DURING THE SHORT TERM. COLD AIR ADVECTION AND LOW THICKNESS VALUES EXPECTED TO GIVE OVERNIGHT LOW TEMPERATURES NEAR OR BELOW FREEZING FOR MUCH OF THE FORECAST AREA. THE SURFACE FRONT PUSHES THROUGH THE FORECAST ARE MONDAY MORNING AS THE UPPER LOW LIFTS THROUGH NEW ENGLAND.
155 AM EDT SUN MAR 29 2015 HIGH PRESSURE OVER THE OHIO VALLEY WILL MOVE OFF THE CAROLINA COAST BY MONDAY. AN AREA OF LOW PRESSURE WILL PASS JUST NORTH OF THE GREAT LAKES SUNDAY AND MOVE EAST ACROSS QUEBEC ON MONDAY. A COLD FRONT TRAILING THE LOW WILL MOVE EAST ACROSS THE AREA SUNDAY NIGHT.
CLOUDS EXITING THE REGION TO THE EAST ALLOWING FOR MOSTLY SUNNY SKIES AREAWIDE WITH TEMPERATURES CLIMBING INTO THE LOW TO MID 70S. A COLD FRONT TO SHIFT SOUTH ACROSS THE REGION ON MONDAY ALLOWING FOR A CHANCE OF SHOWERS AND THUNDERSTORMS ACROSS THE REGION.
A LITTLE COOLER SUNDAY BUT STILL ABOVE AVERAGE. UPPER HIGH PRESSURE OVER COLORADO WILL GRADUALLY WEAKEN OVER THE NEXT 24 HOURS ALLOWING WEAK ENERGY TO MOVE INTO COLORADO. A WEAK UPPER DISTURBANCE THIS EVENING COULD BRING A SPOTTY RAIN OR SNOW SHOWER TO MAINLY THE HIGHER TERRAIN OF THE CENTRAL MOUNTAINS TONIGHT. THIS DISTURBANCE WILL PUSH A COLD FRONT SOUTH THROUGH THE EASTERN PLAINS LATE TONIGHT AND EARLY SUNDAY. THE FRONT WILL BRING COOLER TEMPERATURES TO THE AREA FOR SUNDAY. AND THERE ARE POCKETS OF CAPE VALUES OF SEVERAL HUNDRED J/KG OVER THE HIGHER TERRAIN. WITH A BUILDING UPPER RIDGE.
SECOND CONCERNS THE PASSAGE OF A SFC COLD FRONTAL SYSTEM TONIGHT. SHORT WAVE TROUGH MOVING THROUGH THE GREAT LAKES LATE TODAY AND TONIGHT WILL SEND A SFC COLD FRONTAL BOUNDARY THROUGH THE REGION. TEMPERATURES WILL TURN OUT TO BE WARMER BEHIND THE SYSTEM THAN AHEAD.
653 AM EDT SUN MAR 29 2015 BRIEF HIGH PRESSURE WILL BRING MODERATING TEMPERATURES AND MOSTLY SUNNY SKIES TO THE REGION TODAY. TEMPERATURES WILL MODERATE AS THE COLD POOL GETS CUT OFF FROM ITS SOURCE REGION AND THE UL TROF EXITS TO THE NORTHEAST. AN UPPER ATMOSPHERIC TROF WILL PUSH INTO NY AND PA TONIGHT. HENCE THE HIGHER SNOW FALL TOTALS.
MOST OF THE PRECIP THAT HAS FALLEN SO FAR HAS BEEN EAST OF THE TROUGH AXIS IN THE WARM AIR ADVECTION. THERE IS ALSO SOME RAIN ALONG THE COLD FRONT ON THE BACKSIDE OF THE SYSTEM. SHORT RANGE MODELS HAVE THE PRECIP ALONG THE COLD FRONT MOSTLY IMPACTING THE SOUTHWESTERN CWA WHICH SEEMS REASONABLE GIVEN THE RADAR TRENDS. WINDS ON THE BACKSIDE OF THE LOW ARE HITTING WIND ADVISORY CRITERIA IN SOME AREAS. MODELS ALL HAVE THE HIGHEST 925MB WINDS OF 40 KTS AROUND 12Z AND THEN DECREASING BY 18Z. WITH WARMER 925 TEMPS MOVING IN THINK THAT THE PRECIP WILL MOSTLY BE RAIN ALTHOUGH A FEW FLAKES ARE NOT OUT OF THE QUESTION.
656 AM EDT SUN MAR 29 2015 A RIDGE OF HIGH PRESSURE WILL SLIDE SOUTHEAST OF THE REGION EARLY TODAY.
354 AM CDT SUN MAR 29 2015 A COLD FRONT ACROSS WESTERN KANSAS INTO SOUTHEASTERN COLORADO WILL CONTINUE MOVING SOUTHEAST ACROSS THE PANHANDLES THIS MORNING. THE COLD FRONT IS EXPECTED TO PUSH THROUGH THE FORECAST AREA BETWEEN NOW AND ROUGHLY 15Z TODAY SHIFTING THE WINDS TO THE NORTH AND NORTHEAST WITH SPEEDS INCREASING TO AROUND 20 TO 30 MPH WITH GUSTS NEAR 40 MPH. AN UPPER RIDGE WILL BUILD BACK OVER THE PANHANDLES MONDAY.
THIS WILL LEAD TO WARMER TEMPERATURES AND POSSIBLY DRY OUT THE AREA BY MID AFTERNOON.
540 AM EDT SUN MAR 29 2015 A RIDGE OF HIGH PRESSURE WILL SLIDE SOUTHEAST OF THE REGION EARLY TODAY.
FORECAST MODELS SLOWLY MOVE THE WEAK UPPER LOW TO THE EAST ON MONDAY AND ALTHOUGH NOT TOTALLY OUT OF THE QUESTION, THE THREAT OF THUNDERSTORMS APPEARS TO BE RATHER MINIMAL ON MONDAY AFTERNOON. FOR THE UPCOMING WEEK, MODELS ARE IN GOOD AGREEMENT IN BRINGING A SERIES OF SHORT WAVE TROUGHS ACROSS THE PACIFIC NORTHWEST HOWEVER THE FORECAST PRECIPITATION REMAINS TO THE NORTH OF CENTRAL CALIFORNIA.
540 AM EDT SUN MAR 29 2015 HIGH PRESSURE PASSES TO OUR SOUTH TODAY AND MOVES OFFSHORE TONIGHT. A COLD FRONT MOVES ACROSS THE REGION ON MONDAY.
218 AM EDT SUN MAR 29 2015 BRIEF HIGH PRESSURE WILL BRING MODERATING TEMPERATURES AND MOSTLY SUNNY SKIES TO THE REGION TODAY. TEMPERATURES WILL MODERATE AS THE COLD POOL GETS CUT OFF FROM ITS SOURCE REGION AND THE UL TROF EXITS TO THE NORTHEAST. AN UPPER ATMOSPHERIC TROF WILL PUSH INTO NY AND PA TONIGHT. HENCE THE HIGHER SNOW FALL TOTALS.
609 AM EDT SUN MAR 29 2015 COLD HIGH PRESSURE BUILDS FROM THE WEST THROUGH SUNDAY. SEVERAL COLD FRONTS WILL MOVE THROUGH THE OHIO VALLEY FOR THE UP COMING WORK WEEK. DRY AIRMASS IN PLACE TODAY WITH HIGH PRESSURE IN CONTROL. CLOUDS WILL INCREASE FROM WEST TO EAST TONIGHT AS COLD FRONT APPROACHES TONIGHT. WITH RAIN SNOW MIX OVER THE HIGHER TERRAIN. PATTERN CONTINUES TO UNDERGO CHANGE THIS PERIOD FROM A DEEP EASTERN UPPER TROUGH AND WESTERN UPPER RIDGE.
114 AM EDT SUN MAR 29 2015 A RIDGE OF HIGH PRESSURE WILL SLIDE EAST ACROSS EARLY TODAY.
403 AM CDT SUN MAR 29 2015 WITH A LONG WAVE TROUGH SITUATED OVER THE EASTERN SEABOARD AND AN UPPER LEVEL RIDGE SITTING OVER THE DESERT SOUTHWEST. AND THIS APPROACHING SYSTEM AND PENDANT COLD FRONT WILL USHER IN SENSIBLE WEATHER CHANCES FOR NORTH AND CENTRAL TEXAS LATE TONIGHT AND INTO TOMORROW. THE COLD FRONT IS EXPECTED TO PUSH INTO FAR NORTHWESTERN NORTH TEXAS LATE THIS AFTERNOON AND EVENTUALLY STALL ACROSS OUR AREA SUNDAY NIGHT/MONDAY MORNING.
QUIET CONDITIONS INTO MONDAY WITH A BROAD UPPER RIDGE DOMINATING THE NORTHERN ROCKIES BEHIND YESTERDAYS EVENT. PIECES OF WEAK SHORT WAVE ENERGY WILL TOP THE RIDGE AT TIMES BRINGING WITH THEM SOME HIGH LEVEL CLOUDS AT TIMES.
Other than some afternoon breezes, Sunday's weather looks relatively benign as high pressure begins to build across the area.
THE THERMAL TROUGH WHICH PLAGUED THE AREA OVER THE LAST 36 HOURS HAS NOW MOVED OFF AND OVER THE WESTERN ATLANTIC. THIS WILL RESULT IN A RATHER IMPRESSIVE DIURNAL TEMP SWING WITH HIGHS REACHING THE LOWER 60S TO THE WEST OF THE PLATEAU.
353 AM CDT SUN MAR 29 2015 COLD FRONT CURRENTLY PASSING THROUGH NW KANSAS WILL ENTER NE OK AROUND NOON AND PUSH INTO FAR SE BY EARLY EVENING.
310 AM CDT Sun Mar 29 2015 Another beautiful, warm day expected today as upper ridging persists across the region while slowly marching eastward. A cold front is still expected to move through the region this evening, possibly entering northern zones as early as mid afternoon. Will lean more toward the cooler MAVMOS for today. Monday will be much cooler with highs generally in the 70s.
RETURN FLOW MOISTURE IS MOVING INTO THE AREA FROM THE SOUTHWEST AS HIGH PRESSURE REMAINS OVER THE TENNESSEE VALLEY.
A WEAK COLD FRONT WILL SLOWLY MOVE SWD INTO SOUTH AR BTWN 30/06-09Z.
123 AM EDT SUN MAR 29 2015 COLD HIGH PRESSURE BUILDS FROM THE WEST THROUGH SUNDAY. SEVERAL COLD FRONTS WILL MOVE THROUGH THE OHIO VALLEY FOR THE UP COMING WORK WEEK. WILL MOVE LOWS TOWARD THE LOWER END OF MOS GUIDANCE. WEAK ZONAL FLOW SUNDAY EVENING BEFORE THE FIRST COLD FRONT MOVES THROUGH SUNDAY NIGHT. MAINLY SOME SHOWERS WITH A RAIN SNOW MIX FOR THE HIGHEST ELEVATIONS.
334 AM EDT SUN MAR 29 2015 HIGH PRESSURE PASSES TO OUR SOUTH TODAY AND MOVES OFFSHORE TONIGHT. A COLD FRONT MOVES ACROSS THE REGION ON MONDAY.
WARMING THROUGH MONDAY BUT OTHERWISE UNEVENTFUL WX UNDER BROAD AND GRADUALLY BUILDING HIGH PRESSURE ALOFT.
321 AM PDT SUN MAR 29 2015 A WEAK TROUGH OF LOW PRESSURE WILL BRING A FEW DEGREES OF COOLING TODAY AS IT DRIFTS ACROSS BAJA MEXICO. A WEAK UPPER LEVEL TROUGH WILL PASS THROUGH TODAY AND THIS EVENING. A CLOSED UPPER LOW ABOUT 700 MILES SW OF SAN DIEGO WILL CONTINUE TO DRIFT SE AND PASS OVER THE SOUTHERN BAJA PENINSULA MONDAY NIGHT AS IT WEAKENS INTO AN OPEN TROUGH. IN THE WAKE OF THE UPPER TROUGH.
AFTER A RATHER CHILLY START ACROSS THE REGION THIS MORNING WITH LOWS RANGING FROM THE MIDDLE TO UPPER 30S TO THE LOWER 40S (WITH SOME PATCHY FROST POSSIBLE ALONG THE SUWANNEE VALLEY), TEMPS WILL RECOVER TO HIGHS IN THE MIDDLE TO UPPER 60S BY THE END OF THE DAY TODAY WHICH IS STILL ABOUT 10 DEGREES BELOW CLIMO.
247 AM EDT SUN MAR 29 2015 BRIEF HIGH PRESSURE WILL BRING MODERATING TEMPERATURES AND MOSTLY SUNNY SKIES TO THE REGION TODAY. TEMPERATURES WILL MODERATE AS THE COLD POOL GETS CUT OFF FROM ITS SOURCE REGION AND THE UL TROF EXITS TO THE NORTHEAST. AN UPPER ATMOSPHERIC TROF WILL PUSH INTO NY AND PA TONIGHT. HENCE THE HIGHER SNOW FALL TOTALS.
449 AM EDT SUN MAR 29 2015 A RIDGE OF HIGH PRESSURE WILL SLIDE SOUTHEAST OF THE REGION EARLY TODAY.
131 AM EDT SUN MAR 29 2015 HIGH PRESSURE IS BUILDING OVER FLORIDA. HAVE ALSO DROPPED THE HIGH RISK OF RIP CURRENTS FOR THE GULF. OTHERWISE, QUIET WEATHER THROUGH THE DAY TOMORROW WITH HIGH PRESSURE BUILDING IN. TODAY IS ABOUT 20F DEGREES COOLER AS NORTHERLY WINDS CONTINUE TO SEND COOL AIR STRAIGHT DOWN THE PENINSULA. TEMPS HAVE BEEN RUNNING A FEW DEGREES COOLER THAN FORECAST. HIGH PRESSURE OVER THE EASTERN U. THE TROUGH OVER THE EASTERN CONUS WILL LIFT OUT WITH A MORE QUASI-ZONAL FLOW TAKING OVER.
SHOULD SEE MOSTLY CLEAR SKIES AND COOLER CONDITIONS EVERYWHERE.
1203 AM MDT SUN MAR 29 2015 UPDATED THE FORECAST TO EXPIRE THE HIGH WIND WARNING OVER MUCH OF NORTHEASTERN WYOMING. THE STRONG COLD FRONT AND ASSOCIATED RAIN SHOWERS. THIS EVENING THROUGH SUNDAY NIGHT 20Z SURFACE ANALYSIS HAD LOW PRESSURE OVER EAST CENTRAL SK WITH COLD FRONT INTO NORTHWEST WY. WHICH WAS STARTING TO CUT DOWN THE UPPER RIDGE OVER THE NORTHERN PLAINS PER WATER VAPOUR MATINEE. 100-250J/KG SBCAPE HAS DEVELOPED AHEAD OF THE COLD FRONT EVEN WITH TD/S 25-35F RANGE. COLD FRONT. FORECAST SOUNDINGS SHOW WELL-MIXED BOUNDARY LAYER NEAR/BEHIND COLD FRONT. 200-400J/KG SBCAPE WILL BE AVAILABLE ALONG THE COLD FRONT FOR HIGH BASED -SHRA/-TSRA LATE THIS AFTERNOON/EARLY. WINDS WILL QUICKLY DIMINISH DURING THE DAY AS SYSTEM PUSHES EAST LEAVING BEHIND SLIGHTLY COOLER TEMPERATURES DRY WEATHER.
A RIDGE AXIS CURRENTLY OVER MEXICO IS PROGD TO SHIFT SE AND BECOME FLATTER THROUGH THE SHORT TERM AS LOW PRESSURE APPROACHES BAJA CA FROM THE PACIFIC.
301 AM EDT SUN MAR 29 2015 COLD HIGH PRESSURE BUILDS FROM THE WEST THROUGH SUNDAY. SEVERAL COLD FRONTS WILL MOVE THROUGH THE OHIO VALLEY FOR THE UP COMING WORK WEEK. DRY AIRMASS IN PLACE TODAY WITH HIGH PRESSURE IN CONTROL. CLOUDS WILL INCREASE FROM WEST TO EAST TONIGHT AS COLD FRONT APPROACHES TONIGHT. WITH RAIN SNOW MIX OVER THE HIGHER TERRAIN. PATTERN CONTINUES TO UNDERGO CHANGE THIS PERIOD FROM A DEEP EASTERN UPPER TROUGH AND WESTERN UPPER RIDGE.
Slightly warmer temps will be found in the west and southwest where a little southerly flow will keep temperatures up slightly. An amplified yet progressive pattern at 500mb will feature a sharp trough that will move towards New England this evening, and a second trough moving east towards the Dakotas. For the Lower Ohio Valley, high pressure will slowly move southeast across eastern Kentucky this evening, before sliding southeast towards Georgia by Sunday afternoon. With good radiational cooling conditions, low temperatures will drop sharply this evening, bottoming out shortly after midnight in the lower to mid 20s. A cold front will move southeast of the Ohio River around midnight or early Monday morning.
THOUGH SOME PATCHY MVFR CONDITIONS COULD BE SEEN SUN MORNING AS A WARM FRONT LIFTS NORTH OVER THE STATE. A COLD FRONT WILL DROP SOUTH INTO THE STATE SUN EVENING. DUE TO THE DEEP UPPER TROUGH.
533 AM EDT SUN MAR 29 2015 NEAR OR BELOW FREEZING TEMPERATURES EXPECTED EARLY THIS MORNING AS THE CENTER OF A COLD AIR MASS SETTLES IN OVERHEAD. THE AREA OF HIGH PRESSURE WILL MOVE OFFSHORE TONIGHT. LATEST MSAS SURFACE ANALYSIS SHOWING TEMPERATURES ALREADY AT OR BELOW FREEZING ACROSS THE NORTHERN MIDLANDS. AND ABOVE FREEZING ELSEWHERE. TEMPERATURES SHOULD CLIMB BACK UP ABOVE FREEZING ACROSS THE AREA BY 14Z. THEN WITH PLENTY OF SUNSHINE AFTERNOON WITH SHORT WAVE RIDGE ALOFT. AN UPPER LEVEL TROUGH WILL TRACK EASTWARD OVERNIGHT. PUSHING A WEAK COLD FRONT TOWARDS THE AREA ALSO. THIS WILL ALLOW FOR SLIGHTLY WARMER OVERNIGHT LOWS TONIGHT AS LOW-LEVEL MOISTURE BEGINS RETURNING. TEMPERATURES IN THE LOWER TO MIDDLE 60S NORTH AND CENTRAL.
AT THE LOWER LEVELS A MODERATE TO STRONG PGF FLOW WILL PREVAIL AS AN ELONGATED COLD FRONTAL SYSTEM DEVELOPS ACROSS THE CENTRAL PLAINS STATES. LOW PRESSURE WILL STRENGTHEN TO OUR WEST AND WITH HIGH PRESSURE CLOSE BY SOUTH WINDS WILL STRENGTHEN ON SUNDAY WITH 30 KNOT GUSTS POSSIBLE BY THE AFTERNOON. RIDGING BOTH AT THE SURFACE AND ALOFT WILL MAINTAIN THROUGH THE SHORT TERM PERIOD. WILL KEEP ON THE WARMER SIDE OF GUIDANCE.
RIDGE OF HIGH PRESSURE WILL MOVE EAST OF THE AREA TODAY ALLOWING WINDS TO BECOME SOUTHERLY THIS AFTERNOON.
240 AM MDT SUN MAR 29 2015 04Z WATER VAPOR IMAGERY/RAP ANALYSIS INDICATES STRONG SHORT WAVE TROUGH MOVING INTO THE DAKOTAS WITH LARGE AREA OF DRYING NOTED TO THE SOUTH OF THE CIRCULATION. COLD FRONT WAS ENTERING THE NEBRASKA PANHANDLE WITH 3 HOUR PRESSURE RISES EXCEEDING 7MB IN WESTERN SOUTH DAKOTA.
101 AM MDT SUN MAR 29 2015 SHORT TERM FORECAST CONCERNS ARE THE TIMING OF THE COLD FRONT ACROSS THE FORECAST AREA TONIGHT AND THE WIND SPEEDS DURING THE DAY ON SUNDAY BEHIND THE FRONT. THIS IS IN ADVANCE OF THE COLD FRONT THAT MOVES ACROSS THE FORECAST AREA BETWEEN 06-12Z OVERNIGHT AND ACROSS THE PLAINS STATES THROUGH THE DAY ON SUNDAY AS THE UPPER SHORT WAVE MOVES THROUGH THE UPPER FLOW TOWARDS THE GREAT LAKES AND UPPER MISSISSIPPI VALLEY REGION.
WITH MOSTLY SUNNY SKIES AREA WIDE TODAY AS HIGH PRESSURE BUILDS INTO THE REGION. WITH HIGHS IN THE LOWER/MID 60S FOR SE GA/NE FL. MOSTLY CLEAR SKIES WILL PREVAIL THIS EVENING AS HIGH PRESSURE MOVES OFFSHORE. A COLD FRONT WILL MOVE SOUTH ACROSS THE NORTHERN HALF OF GA OVERNIGHT.
WV imagery shows the upper ridge has moved east over the past 24 hours, and is roughly aligned w/the 4 Corners, in response to a trough over the ID Panhandle. Upper ridge will continue breaking down over the next 24 hrs as the trough on the U. Cold front is still on tap to arrive Sunday night, w/buffer soundings putting fropa at KMAF at around 01Z Monday.
Much Warmer Weather Returns Early Clear skies and breezy southeast winds are being observed this morning across the Missouri Ozarks. A weak frontal trough is currently located across the central Plains up near central Nebraska this morning and moving southeastward. Temperatures will be more seasonable today with highs in the lower to middle 60s. The overall weather pattern will shift early to middle of this week with some upper level ridging trying to move in from the west.
RESULTING IN INCREASING MOISTURE AND WARMER TEMPERATURES. COASTAL AREAS WILL REMAIN IN THE MID 60S DUE TO THE COOLER NEARSHORE WATERS. A COLD FRONT WILL APPROACH FROM THE NORTH LATE TONIGHT. LOWS TONIGHT WILL RANGE FROM THE LOW 50S INLAND TO AROUND 60 NEAR THE COAST.
400 AM EDT SUN MAR 29 2015 HIGH PRESSURE OVER SOUTHERN OHIO WILL CONTINUE TO MOVE SOUTHEAST TODAY. A COLD FRONT WILL SWEEP ACROSS THE AREA TONIGHT.
400 AM MDT SUN MAR 29 2015 COOLER AND DRIER AIR IS MOVING IN BEHIND A COLD FRONT.
COLD FRONT OF YESTERDAY HAS MOVED RAPIDLY EASTWARD AND RETURNED TO CALM. STRONG WIND CAN BE EXPECTED TO DEVELOP WITH THIS TROUGH.
432 AM EDT SUN MAR 29 2015 CONTINUED DRY CONDITIONS AND SLIGHTLY WARMER TEMPERATURES EXPECTED TODAY AHEAD OF A COLD FRONT RESULTING IN RAIN AND SNOW OVERNIGHT INTO MONDAY.
1148 PM CDT THU MAR 12 2015 ADDED SOME FOG ACROSS WESTERN PARTS OF THE REGION OVERNIGHT AS LOWER CLOUDS MOVING IN BEHIND COLD FRONT. MAIN CHALLENGE TONIGHT WILL BE TEMPERATURE TRENDS WITH COLD FRONT DROPPING THROUGH THE FA LATER. AND SHOULD MOVE ACROSS THE AREA AND OFF TO THE EAST TONIGHT AS THE UPPER TROUGH EJECTS EASTWARD. NORTHWEST WINDS BEHIND THE LOW WILL KEEP US MIXED AND THERE WILL BE A FAIR AMOUNT OF CLOUD COVER AT LEAST IN THE NORTHERN COUNTIES. THINK THAT AT LEAST THE NORTHERN CWA WILL GET BELOW FREEZING AGAIN OVERNIGHT.
1147 PM CDT THU MAR 12 2015 LIGHT AND VARIABLE WINDS WILL BECOME BREEZY AROUND 15KT OUT OF THE NORTH LATE FRIDAY MORNING BEHIND A COLD FRONT. NORTHWEST TEXAS WILL BE POSITIONED UNDERNEATH A RELATIVE WEAKNESS ALOFT WELL NORTHEAST OF A CLOSED LOW THAT WILL MEANDER AROUND BAJA CALIFORNIA. THE COLD FRONT THAT MOVES THROUGH ON FRIDAY WILL PROVIDE MINOR COOLING TO KICK OFF THE WEEKEND.
Well defined upper trough on water vapor continues to lift northward from the Red River. Lows tonight will range from the lower 40s with mostly clear skies in the north central to the middle 40s southeast corner where a combination of higher dewpoints and more clouds will help to keep temps up a bit. Highs there will be in the middle to upper 60s with readings in the lower 70s along and north of the i 70 corridor.
713 PM EDT THU MAR 12 2015 HIGH PRESSURE OVERNIGHT.
1023 PM EDT THU MAR 12 2015 HIGH PRESSURE OVERNIGHT.
Weak Chinook arch may spread south along the east slopes of the Rockies this evening, but the upper level ridge of high pressure will build into the area overnight, which should limit cloud cover in general. Overnight lows will remain warmer than normal due to lingering, though decreasing, southwest winds. A weak trof along the Continental Divide will keep BKN-OVC skies with ceilings 4000-8000 ft from KHLN to KBZN through late aftn. High pressure ridge moves in from the west tonight, with mostly clear skies and light winds expected on Fri.
THE LEADING EDGE OF THE HIGH CLOUDS HAS ALREADY MOVED INTO SOUTHWEST OREGON THIS EVENING. HOWEVER, THE HIGH LEVEL CLOUDS WILL BEGINNING MOVING INTO CENTRAL OREGON OVERNIGHT. THE HIGH CLOUDS SHOULD PREVENT SOME OF THE INCOMING SOLAR RADIATION FROM REACHING THE GROUND ON FRIDAY, ESPECIALLY FRIDAY AFTERNOON AS THE HIGH CLOUDS THICKEN AND BECOME MAINLY OPAQUE IN THE AFTERNOON. A WARM FRONT WILL BRING RAIN TO CENTRAL OREGON STARTING AROUND MIDNIGHT ON FRIDAY NIGHT WITH RAIN SPREADING NORTHEASTWARD AFTER DAYBREAK ON FRIDAY MORNING.
IN THE LOW LEVELS OF THE ATMOSPHERE. A LARGE AREA OF HIGH PRESSURE OVER THE NORTHEAST UNITED STATES WILL BUILD SOUTHWARD DOWN THE FLORIDA PENINSULA OVERNIGHT. AN ANTICYCLONE WILL BE CENTERED JUST NORTH OF THE BAHAMAS TONIGHT. A RIDGE OF HIGH PRESSURE WILL BE LOCATED JUST OFF THE EAST COAST OF THE FLORIDA PENINSULA OVERNIGHT.
631 PM CDT THU MAR 12 2015 UPPER TROUGH REMAINS ANCHORED ACROSS THE FOUR CORNERS REGION INTO THE TEXAS HILL COUNTRY THIS EVENING.
Weak Chinook arch may spread south along the east slopes of the Rockies this evening, but the upper level ridge of high pressure will build into the area overnight, which should limit cloud cover in general. Overnight lows will remain warmer than normal due to lingering, though decreasing, southwest winds.
945 PM PDT Thu Mar 12 2015 Strong high pressure will bring dry and warmer weather through Friday.
721 PM EDT THU MAR 12 2015 HIGH PRESSURE WILL CONTINUE FAIR AND DRY WEATHER ACROSS CENTRAL PENNSYLVANIA THROUGH EARLY FRIDAY.
HIGH PRESSURE WILL BUILD OVER THE MID-ATLANTIC THROUGH FRIDAY.
935 PM EDT THU MAR 12 2015 HIGH PRESSURE WILL CONTINUE FAIR AND DRY WEATHER ACROSS CENTRAL PENNSYLVANIA THROUGH EARLY FRIDAY.
1054 PM MDT THU MAR 12 2015 WEAK UPPER TROUGH IS CURRENTLY MOVING ACROSS THE AREA. A WEAK COLD FRONT IS CURRENTLY MOVING ACROSS THE REGION. AND TEMPS HAVE BEEN AROUND 5 DEGREES COOLER THAN YESTERDAY. THE LOWER MAV DEWPOINTS AND RH VALUES LOOK MORE REALISTIC GIVEN THE VERY DRY LOW AND MIDLVLS.
644 PM MDT THU MAR 12 2015 WEAK UPPER TROUGH IS CURRENTLY MOVING ACROSS THE AREA. A WEAK COLD FRONT IS CURRENTLY MOVING ACROSS THE REGION. AND TEMPS HAVE BEEN AROUND 5 DEGREES COOLER THAN YESTERDAY. THE LOWER MAV DEWPOINTS AND RH VALUES LOOK MORE REALISTIC GIVEN THE VERY DRY LOW AND MIDLVLS.