Aikyam-Lab/Synoptic-Bench huggingface dataset:
A COLD FRONT PASSAGE WILL BRING WEST WINDS AND POSSIBLE IMPROVEMENT TO VFR BY 00Z. WITH MODERATE RAINFALL CONTINUING AT LEAST ACROSS THE ERN FRIDGES OF THE PLATEAU THRU THE AFTERNOON HRS. OTHER THAN SOME INITIAL LINGERING CLOUDINESS DUE TO BROAD UPPER LEVEL TROUGHING MOVING THRU THE REGION.
/issued 236 AM CST TUE DEC 1 2015/ Westerly mid level flow today in advance of a broad mid level trof axis reflects a loose MSLP gradient and some low level thermal ridging. As said trof axis swings thru a loosely identifiable Pacific front will advance Wed AM.
THE TIMING OF THE ASSOCIATED COLD FRONT WILL BRING PEAK WIND GUSTS BETWEEN 10 PM THIS EVENING AND 4 AM EARLY THURSDAY MORNING. A HIGH WIND WARNING CONTINUES FOR THE COAST WHILE THE HIGH WIND WATCHES FOR THE SHASTA VALLEY. THIS FRONT WILL ALSO BRING MODERATE TO HEAVY PRECIPITATION WITH THE HIGHEST QPF AMOUNTS EXPECTED IN CURRY AND SISKIYOU COUNTIES. A WARM FRONT WILL CONTINUE TO LIFT NORTH-NORTHEAST ACROSS OUR AREA THIS MORNING WITH LIGHT TO MODERATE RAIN. ISOLATED TO SCATTERED LIGHT SHOWERS WILL FOLLOW THIS AFTERNOON INTO THIS EVENING BEFORE THE COLD FRONT TRACKS INLAND LATE THIS EVENING INTO THURSDAY MORNING.
THE UPPER-LEVEL LOW PRESSURE SYSTEM OVER NORTHERN MEXICO HAS TAKEN A FAR ENOUGH SOUTH TRACK THAT. THE MAIN DEFORMATION ZONE ASSOCIATED WITH THE UPPER LEVEL LOW SHOULD KEEP MAINLY SOUTH AND EAST OF THE PANHANDLES AS THE LOW LIFTS NORTHWARD THIS WEEKEND.
559 AM EST WED MAR 9 2016 WARM AND DRY UNDER HIGH PRESSURE THROUGH THURSDAY. COLD FRONT THURSDAY NIGHT.
A WARM FRONT AND ACCOMPANYING BAND OF PRECIPITATION WILL LIFT NE ACROSS SE OREGON AND SW IDAHO. THE SNOW WILL MELT QUICKLY AS TEMPERATURES RISE TO WELL ABOVE FREEZING BY NOON. AFTERNOON TEMPERATURES WILL BE SLIGHTLY WARMER BEHIND THE FRONT. BEHIND THE DEPARTING WARM FRONT. TEMPERATURES WILL BE 6-12 DEGREES WARMER.
650 AM EST WED MAR 9 2016 LOW PRESSURE MOVING EAST THROUGH CANADA WILL DRAG A WARM FRONT THROUGH NEW ENGLAND TODAY USHERING IN VERY WARM TEMPERATURES AND BRINGING PRECIPITATION TO THE MOUNTAINS. AS THE LOW MOVES EAST INTO THE GULF OF SAINT LAWRENCE A COLD FRONT WILL DROP SOUTH INTO MAINE AND NEW HAMPSHIRE WEDNESDAY NIGHT BEFORE STALLING. LOW PRESSURE MOVING EAST OUT OF THE GREAT LAKES ON THURSDAY WILL TRACK THROUGH NEW ENGLAND ALONG THE STALLED FRONTAL BOUNDARY THURSDAY NIGHT.
925 AM EST WED MAR 9 2016 HIGH PRESSURE WILL EXTEND ACROSS THE REGION THIS WEEK. STRONG DEEP LAYERED RIDGING WILL KEEP WARM AND DRY WEATHER IN PLACE TODAY.
INDIANA WILL BE CAUGHT BETWEEN HIGH PRESSURE OFF THE COAST OF THE CAROLINAS AND LOW PRESSURE OVER TEXAS. LOW PRESSURE WAS FOUND NORTH OF THE GREAT LAKES. MAKING PROGRESS NORTHEAST AMID THE LOWER LEVEL FLOW. GIVEN THE WARM AIR ADVECTION AND CLOUD COVER WILL TREND HIGHS SLIGHTLY WARMER THAN MAV. A UPPER TROUGH LOOKS TO PUSH EAT TOWARD INDIANA FROM THE CENTRAL PLAINS. THIS WILL CUT OFF THE DEEP UPPER LOW OVER TO THE SOUTH AND SHUT DOWN THE FLOW OF SHORT WAVES. HOWEVER THE TROUGH WILL PROVIDE IT/S OWN FORCING ON THURSDAY AS IT PASSES. GIVEN THE EXPECTED RAIN WILL TREND LOWS TONIGHT WARMER THAN MAVMOS AND HIGHS THURSDAY COOLER THAN MAVMOS. THIS WILL CHANGE THE LOWER LEVEL FLOW FROM MOIST AND SOUTHERLY TO COOLER AIR DRY NORTHEASTERLY FOR A SHORT WHILE.
SHOWERS WILL CONTINUE TO BE POSSIBLE TODAY AND TONIGHT ACROSS EAST CENTRAL AND SOUTHEAST AREAS AS AN UPPER LEVEL LOW PRESSURE SYSTEM SOUTH OF NEW MEXICO SPREADS MOISTURE NORTHWARD.
IN THE LOW TO MID LEVELS OF THE ATMOSPHERE. A LARGE AREA OF HIGH PRESSURE WILL BE CENTERED JUST OFF THE SOUTHEAST COAST OF THE UNITED STATES THIS AFTERNOON. A RIDGE OF HIGH PRESSURE WILL AMPLIFY NEAR THE EAST COAST OF FLORIDA TODAY.
BETTER MOISTURE RETURN OCCURS EAST OF A LARGE CLOSED LOW SLOWLY MOVING EASTWARD ACROSS NORTHERN MEXICO TODAY. STRONG RIDGING STRETCHING NORTHWARD ALONG THE EAST COAST DOES KEEP THE MAIN STORM TRACK TO OUR WEST THROUGH TONIGHT. A WEAK IMPULSE ROTATING THROUGH THE EAST SIDE OF THE TROUGH COULD PROVIDE ENOUGH FORCING FOR A FEW SHOWERS ACROSS WEST CENTRAL ALABAMA THIS AFTERNOON AND OVERNIGHT.
HIGH PRESSURE WILL CONTINUE TO BRING WARMER TEMPERATURES OVER THE NEXT FEW DAYS. HIGH PRESSURE RIDGE OVER THE WESTERN ATLANTIC WILL KEEP A SE WIND FLOW PATTERN IN PLACE OVER THE WATERS.
THE TIMING OF THE ASSOCIATED COLD FRONT WILL BRING PEAK WIND GUSTS BETWEEN 10 PM THIS EVENING AND 4 AM EARLY THURSDAY MORNING. A HIGH WIND WARNING CONTINUES FOR THE COAST WHILE THE HIGH WIND WATCHES FOR THE SHASTA VALLEY. THIS FRONT WILL ALSO BRING MODERATE TO HEAVY PRECIPITATION WITH THE HIGHEST QPF AMOUNTS EXPECTED IN CURRY AND SISKIYOU COUNITES. A WARM FRONT WILL CONTINUE TO LIFT NORTH-NORTHEAST ACROSS OUR AREA THIS MORNING WITH LIGHT TO MODERATE RAIN. ISOLATED TO SCATTERED LIGHT SHOWERS WILL FOLLOW THIS AFTERNOON INTO THIS EVENING BEFORE THE COLD FRONT TRACKS INLAND LATE THIS EVENING INTO THURSDAY MORNING.
THIS BOUNDARY WILL GRADUALLY LIFT NORTHWARD TODAY WHILE A COLD FRONT THAT IS CURRENTLY LOCATED FROM EASTERN IOWA TO NEAR TULSA OKLAHOMA DRIFTS SOUTHEAST. AS MUCH AS 2-5 INCHES COULD FALL DURING THIS TIME PERIOD ACROSS THIS AREA WITH THE HIGHEST CONCERN BEING RANDOLPH. DO NOT SEE THIS CHANGING UNTIL THE UPPER LOW THAT IS LOCATED OVER SOUTH TEXAS BEGINS TO MOVE.
ADDITIONAL REDEVELOPMENT OF SHOWERS AND STORMS WILL BE POSSIBLE TODAY AND TONIGHT AS UPPER LOW REMAINS TO THE WEST AND COASTAL TROUGH DEVELOPS. UPPER LOW BACK TO THE WEST WILL BE THE MAIN FEATURE ACROSS THE AREA FOR THE NEXT DAY OR SO. TROUGH WILL HUG THE COASTLINE TODAY. THE TROUGH WILL COMBINE WITH SUFFICIENT MOISTURE FOR RENEWED CONVECTION LATER TODAY AND CONTINUING INTO TONIGHT. DECENT CHANCES FOR SHOWERS AND STORMS WILL OCCUR AGAIN ON THURSDAY AS UPPER LOW MOVES ACROSS THE AREA.
323 AM PST WED MAR 9 2016 ABOVE NORMAL TEMPERATURES AND FAIR SKIES WILL OCCUR THROUGH THURSDAY WITH HIGH PRESSURE IN CONTROL.
BUT WILL REMAIN ELEVATED AS BITS OF ENERGY ROTATE AROUND THE UPPER LOW YIELDING INTERMITTENT SHRA/TSRA THRU SAT. YIELDING AN TIGHTENING PRESSURE GRADIENT AS IT COMBINES WITH STRONG HIGH PRESSURE JUST OFF THE SOUTHEASTERN STATES.
943 AM EST WED MAR 9 2016 A COLD FRONT APPROACHING FROM THE NORTHWEST MAY CAUSE SCATTERED SHOWERS ACROSS OUR AREA TODAY. WIDESPREAD SHOWERS ARE EXPECTED TONIGHT AND THURSDAY AS A COLD FRONT MOVES SLOWLY SOUTHEAST ACROSS OUR AREA. WITH LOWS TONIGHT RANGING FROM THE LOWER 40S NEAR LAKE MICHIGAN TO THE MID 50S ALONG AND SOUTH OF ROUTE 24. A WEAK SHORT WAVE TROF WILL MOVE EAST INTO THE FORECAST AREA EARLY THURSDAY AND BRING A ROUND OF RAIN TO THE AREA.
348 AM MST WED MAR 9 2016 A WEAK UPPER LEVEL TROUGH WILL MOVE ACROSS NRN CO IN WNW FLOW. OVER NERN CO THERE WILL MOISTURE IN THE MID LEVELS HOWEVER CROSS- SECTIONS SHOW A DRY AIRMASS IN THE LOWER LEVELS SO MAY ONLY SEE VIRGA OR A SPRINKLES LATER THIS AFTN INTO THE EARLY EVENING HOURS. BY MID EVENING THE UPPER LEVEL TROUGH WILL BE EAST OF THE AREA WITH A DRIER AIRMASS DEVELOPING SO PCPN WILL END IN THE MTNS.
INCLUDING THE HIGH RES VERSIONS. DRY HIGH PRESSURE WILL THEN BE IN CONTROL ON THURSDAY WITH HIGHS RANGING FROM 40 TO 45 IN THE ARROWHEAD TO AROUND 50 IN THE BRAINERD LAKES REGION.
907 AM EST WED MAR 9 2016 HIGH PRESSURE WAS OFF THE SOUTHEAST COAST AND WILL REMAIN THERE THROUGH THURSDAY NIGHT.
1001 AM EST WED MAR 9 2016 00Z SNDG CONFIRMING SOLID RIDGE IN CONTROL WITH VERY STRONG INVERSION BASED AROUND 4800 FT WITH A CLOUD DECK THAT IS PROBABLY 200 FT DEEP AT MOST. REGARDLESS SCU WILL CONTINUE TO HANG AROUND WITH TEMPS REMAINING AROUND NORMAL OR SOMEWHAT COOLER THAN NORMAL IN AREAS WHERE CLOUD COVER PERSISTS.
850 AM EST WED MAR 9 2016 HIGH PRESSURE WILL MAINTAIN DRY AND WARM WEATHER UNTIL A COLD FRONT BRINGS RAIN TONIGHT THROUGH THURSDAY NIGHT. AS THE MAIN UPPER LEVEL TROUGH DIGS INTO THE EASTERN GREAT LAKES.
1009 AM EST WED MAR 9 2016 WARM AND DRY UNDER HIGH PRESSURE THROUGH THURSDAY. COLD FRONT THURSDAY NIGHT.
1035 AM EST WED MAR 9 2016 HIGH PRESSURE WILL MAINTAIN DRY AND WARM WEATHER UNTIL A COLD FRONT BRINGS RAIN TONIGHT THROUGH THURSDAY NIGHT. AS THE MAIN UPPER LEVEL TROUGH DIGS INTO THE EASTERN GREAT LAKES.
HI-RES MODELS STILL SUGGESTING SOME PATCHY FOG OVER INLAND AREAS AND SOME NEAR THE COAST NEAR THE COOLER SHELF WATERS AND HAVE CONTINUED TO MENTION IN THE FORECAST BUT ORGANIZED WIDESPREAD DENSE FOG IS NOT EXPECTED DUE TO SOME MIXING IN THE BOUNDARY LAYER FROM THE SOUTHERLY FLOW AND QUESTION IN CLOUD COVER AMOUNTS.
UPPER LOW BACK TO THE WEST WILL BE THE MAIN FEATURE ACROSS THE AREA FOR THE NEXT DAY OR SO. TROUGH WILL HUG THE COASTLINE TODAY. THE TROUGH WILL COMBINE WITH SUFFICIENT MOISTURE FOR RENEWED CONVECTION LATER TODAY AND CONTINUING INTO TONIGHT. DECENT CHANCES FOR SHOWERS AND STORMS WILL OCCUR AGAIN ON THURSDAY AS UPPER LOW MOVES ACROSS THE AREA.
639 AM EST WED MAR 9 2016 HIGH PRESSURE WAS OFF THE SOUTHEAST COAST AND WILL REMAIN THERE THROUGH THURSDAY NIGHT.
USED A BLEND OF THE HIGHER RESOLUTION MODELS FOR THE POPS THIS MORNING IN THE SOUTHERN VALLEY WITH A BLEND OF BIAS CORRECTED GRIDS LEANING TOWARD THE ARW/NMM WEST AND EC FOR TEMPS.
as deep layer meridional flow aloft persists downstream from a closed upper low over northern Mexico.
758 AM EST WED MAR 9 2016 HIGH PRESSURE WILL MAINTAIN DRY AND WARM WEATHER UNTIL A COLD FRONT BRINGS RAIN TONIGHT THROUGH THURSDAY NIGHT. AS THE MAIN UPPER LEVEL TROUGH DIGS INTO THE EASTERN GREAT LAKES.
951 AM EST WED MAR 9 2016 MOISTURE WILL INCREASE TODAY AHEAD OF A SLOW MOVING COLD FRONT TO THE WEST.
OTHERWISE HIGH PRESSURE WILL PROVIDE DRY AND SEASONABLY MILD CONDITIONS THROUGH THURSDAY.
COLD FRONT CURRENTLY POSITIONED FROM THE UPPER MIDWEST SOUTHWARD TO TX. DEEP UPPER LEVEL LOW OVER BAJA CAL WILL MOVE VERY SLOWLY EASTWARD OVER THE NEXT FEW DAYS.
1004 AM EST WED MAR 9 2016 HIGH PRESSURE WILL SETTLE OVER THE SOUTHEASTERN STATES THROUGH THURSDAY.
THE UPPER LEVEL LOW BRINGING IN HIGH CLOUDS TO THE REGION HAS TAKEN A TRACK FAR ENOUGH SOUTH THAT ANY PRECIPITATION PRODUCING SHOWERS OR THUNDERSTORMS SHOULD REMAIN MOSTLY SOUTH AND EAST OF THE TEXAS PANHANDLE REGION. THE UPPER-LEVEL LOW PRESSURE SYSTEM OVER NORTHERN MEXICO HAS TAKEN A FAR ENOUGH SOUTH TRACK THAT. THE MAIN DEFORMATION ZONE ASSOCIATED WITH THE UPPER LEVEL LOW SHOULD KEEP MAINLY SOUTH AND EAST OF THE PANHANDLES AS THE LOW LIFTS NORTHWARD THIS WEEKEND.
601 AM EST WED MAR 9 2016 HIGH PRESSURE WILL MAINTAIN DRY AND WARM WEATHER UNTIL A COLD FRONT BRINGS RAIN TONIGHT THROUGH THURSDAY NIGHT. AS THE MAIN UPPER LEVEL TROUGH DIGS INTO THE EASTERN GREAT LAKES.
535 AM CST WED MAR 9 2016 UPPER TROF WITH AN EMBEDDED WEAK WAVE EVIDENT ON WATER VAPOR ARE ALL COLLOCATED WITH THE CORE OF COOL AIR OVERHEAD.
VIGOROUS LOW PRESSURE ALOFT DRIFTING SLOWLY SOUTHEAST OVER OLD MEXICO. BUT WILL REMAIN ELEVATED AS BITS OF ENERGY ROTATE AROUND THE UPPER LOW YIELDING INTERMITTENT SHRA/TSRA THRU SAT. YIELDING AN TIGHTENING PRESSURE GRADIENT AS IT COMBINES WITH STRONG HIGH PRESSURE JUST OFF THE SOUTHEASTERN STATES.
THE UPPER LEVEL LOW CONTINUES TO DRIFT TO THE EAST ACROSS NORTHERN/CENTRAL MEXICO ON THURSDAY.
708 AM EST WED MAR 9 2016 ATLANTIC HIGH PRESSURE WILL EXTEND ACROSS THE AREA THIS WEEK WITH TEMPERATURES WELL ABOVE NORMAL. STRONG DEEP LAYERED RIDGING WILL KEEP WARM AND DRY WEATHER IN PLACE TODAY.
THE UPPER LOW OVER NORTHERN MEXICO WILL DRIFT EASTWARD OVER THE NEXT TWO DAYS. A TROUGH WILL MOVE ACROSS THE NORTHERN AND CENTRAL PLAINS.
A WARM FRONT IS MOVING INTO NORTHERN CALIFORNIA AND SOUTHWEST OREGON THIS MORNING. BY WEDNESDAY NIGHT THE WARM FRONT WILL MAINLY BE OVER CENTRAL AND NORTHERN WASHINGTON BUT A COLD FRONT WILL QUICKLY ARRIVE FROM THE WEST LATE WEDNESDAY NIGHT AND THURSDAY. THE WARM FRONT WILL USHER IN SOME POTENTIALLY STRONG SOUTHERLY WINDS STARTING THIS AFTERNOON AND CONTINUING UNTIL THE COLD FRONTAL PASSAGE EARLY THURSDAY.
412 AM CST WED MAR 9 2016 UPPER TROF WITH AN EMBEDDED WEAK WAVE EVIDENT ON WATER VAPOR ARE ALL COLLOCATED WITH THE CORE OF COOL AIR OVERHEAD.
644 AM EST WED MAR 9 2016 MOISTURE WILL INCREASE TODAY AHEAD OF A SLOW MOVING COLD FRONT TO THE WEST.
FAIR AND WARMER WEATHER WILL CONTINUE THROUGH THURSDAY UNDER A HIGH PRESSURE RIDGE.
655 AM EST WED MAR 9 2016 A COLD FRONT APPROACHING FROM THE NORTHWEST MAY CAUSE SCATTERED SHOWERS ACROSS OUR AREA TODAY. WIDESPREAD SHOWERS ARE EXPECTED TONIGHT AND THURSDAY AS A COLD FRONT MOVES SLOWLY SOUTHEAST ACROSS OUR AREA. WITH LOWS TONIGHT RANGING FROM THE LOWER 40S NEAR LAKE MICHIGAN TO THE MID 50S ALONG AND SOUTH OF ROUTE 24. A WEAK SHORT WAVE TROF WILL MOVE EAST INTO THE FORECAST AREA EARLY THURSDAY AND BRING A ROUND OF RAIN TO THE AREA.
LOW PRESSURE WAVE ON THE FRONT HAS SHIFTED OVER WESTERN NORTH TEXAS AND WILL ALLOW E/NE FLOW 6-9 KTS TO PREVAIL TONIGHT INTO TUESDAY. WE HAVE KEPT THE HIGHEST POPS OF THE EVENING ACROSS AREAS GENERALLY ALONG AND SOUTH OF I-20. THE UPPER LEVEL PATTERN WILL AMPLIFY TONIGHT AND TOMORROW AS A TROUGH DEEPENS IN THE EASTERN CONUS AND A RIDGE INTENSIFIES OVER THE FOUR-CORNERS REGION. AND THE HIGHEST POPS ON TUESDAY WILL BE CONFINED TO THE SOUTHERN THIRD OF NORTH TEXAS. TEMPERATURES SHOULD STILL REACH THE 90S TUESDAY ACROSS ALL OF THE REGION DUE TO THE INFLUENCE OF THE UPPER RIDGE OFF TO OUR WEST. THE RIDGE IS NOT EXPECTED TO MOVE MUCH OVER THE COURSE OF THE WEEK.
WINDS IN THE LOWER AND MIDDLE TROPOSPHERE ARE FROM THE NORTH WITH A PEAK WIND SPEED OF 28 KNOTS AT 8000 FEET.
604 PM CDT MON AUG 24 2015 HIGH PRESSURE CENTERED OVER CENTRAL NORTH DAKOTA AT 5 PM CDT WILL DRIFT EAST TONIGHT. A BUILDING UPPER RIDGE OVER THE WESTERN CONUS WILL BRING A WARMER TEMPERATURES AND DRY CONDITIONS THROUGH THE SHORT TERM PERIOD. LIGHT WINDS AND CLEAR SKIES SHOULD ALLOW RADIATIONAL COOLING FOR LOWS IN THE LOW TO MID 40S. WARM ADVECTION CONTINUES TUESDAY AS THE WESTERN RIDGE BUILDS AND WITH SURFACE WINDS OF 15 TO 20 MPH WEST. LOOK FOR A WARMER DAY WITH HIGHS FROM THE MID 70S FROM THE TURTLE MOUNTAINS TO JAMES VALLEY.
1001 PM EDT MON AUG 24 2015 UPPER LEVEL LOW PRESSURE WILL SLOWLY MOVE EAST ACROSS THE NORTHERN GREAT LAKES THROUGH THE NEXT FEW DAYS. WITH HIGH PRESSURE BUILDING INTO THE OHIO VALLEY THROUGH THE END OF THE WEEK. THE LOW IS FORECAST TO DROP SOUTH OVERNIGHT. THE CLOSED UPPER LOW NORTH OF LAKE SUPERIOR WILL MOVE VERY SLOWLY TO THE ESE THROUGH TUESDAY.
A NOW OCCLUDED SURFACE CYCLONE CONTINUES TO SPIN OVER SOUTHERN CANADA. LATEST SURFACE ANALYSIS HAS THE COLD FRONT ALMOST THROUGH ALL OF CENTRAL ALABAMA WITH THE EXCEPTION OF PERHAPS EUFAULA AND BARBOUR COUNTY.
940 PM PDT MON AUG 24 2015 A LARGE UPPER-LEVEL RIDGE BUILDING OVER THE FOUR CORNERS REGION WILL BRING A WARMING TREND AND ABOVE NORMAL TEMPERATURES THIS WEEK. A COOLING TREND IS EXPECTED OVER THE WEEKEND AS A TROUGH OF LOW PRESSURE PASSES TO THE NORTH. THE LATEST WATER VAPOR IMAGERY INDICATES A RIDGE OF HIGH PRESSURE OVER THE DESERT SOUTHWEST THIS EVENING. THE MOISTURE COULD MIX OUT THE MARINE LAYER OR WEAKEN ITS EFFECTS ACROSS THE AREA CAUSING THE FORECAST TO BE MUCH WARMER THAN THE FORECAST. THE FORECAST TAKE WARMER THAN THE MIDDLE OF THE ROAD STANCE.
707 PM EDT MON AUG 24 2015 A SLOW MOVING COLD FRONT WILL CROSS THE AREA FROM TODAY THROUGH TUESDAY BRINGING A CHANCE OF SHOWERS AND A FEW THUNDERSTORMS. AN UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE OVER THE GREAT LAKES REGION THROUGH MID WEEK, AND PROVIDE FOR UNSETTLED WEATHER IN THE NORTHEAST. LATER IN THE WEEK THE UPPER LEVEL LOW WILL MAKE ITS MOVE EAST, CONTINUING THE CHANCES FOR RAIN. THE FRONT PUSHES EAST OF THE REGION TUESDAY NIGHT BUT THERE MAY BE SOME LAKE EFFECT RAIN SHOWERS DEVELOPING OVER LAKE ONTARIO AS COOLER AIR MOVES OVER THE WARM WATERS OF THE LAKE.
733 PM EDT MON AUG 24 2015 A SLOW MOVING COLD FRONT WILL CROSS THE AREA FROM TODAY THROUGH TUESDAY BRINGING A CHANCE OF SHOWERS AND A FEW THUNDERSTORMS. AN UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE OVER THE GREAT LAKES REGION THROUGH MID WEEK, AND PROVIDE FOR UNSETTLED WEATHER IN THE NORTHEAST. LATER IN THE WEEK THE UPPER LEVEL LOW WILL MAKE ITS MOVE EAST, CONTINUING THE CHANCES FOR RAIN. THE FRONT PUSHES EAST OF THE REGION TUESDAY NIGHT BUT THERE MAY BE SOME LAKE EFFECT RAIN SHOWERS DEVELOPING OVER LAKE ONTARIO AS COOLER AIR MOVES OVER THE WARM WATERS OF THE LAKE.
1256 AM EDT TUE AUG 25 2015 A WEAK COLD FRONT SLOWLY MOVES OVER THE REGION TODAY.
With the high overhead, lights winds and a dry air mass in place will have superb radiational cooling conditions. Guidance temperatures consistent in the lower to middle 50s, and cannot rule out some upper 40s in the valley locations across the eastern Ozarks. Records lows for August 25th are generally in the lower 50s.
1111 PM EDT MON AUG 24 2015 A COLD FRONT WILL CROSS THE REGION THROUGH THIS EVENING BRINGING SCATTERED SHOWERS AND THUNDERSTORMS TO EASTERN AREAS. A RELATIVELY DEEP UPPER TROUGH WILL DOMINATE THE PATTERN OVER PENNSYLVANIA FOR THE REMAINDER OF THE WEEK. TO NR 80F ACROSS THE LOWER SUSQ VALLEY. ALL MED RANGE GUIDANCE CONTINUES TO INDICATE MID-LATE WEEK WX WILL BE DOMINATED BY LINGERING UPPER TROUGH OVR THE NORTHEAST CONUS.
SHOULD THIS OCCUR THEN WOULD LIKELY END UP BEING MUCH COOLER FOR HIGHS ON TUESDAY NORTHEAST 1/2 OR SO OF CWA. LOW PRESSURE WAS SITUATED BETWEEN LAKE SUPERIOR AND JAMES BAY WITH A HIGH PRESSURE RIDGE IN THE PLAINS. AS HIGH PRESSURE RIDGE BUILDS INTO THE CWA. HIGH PRESSURE RIDGE WILL PROVIDE ANOTHER SUNNY DAY WITH PLEASANT TEMPERATURES. HIGHS WILL PUSH INTO THE LOWER TO MID 70S AT MOST LOCATIONS.
HIGH PRESSURE WILL REMAIN IN PLACE THROUGH EARLY TUESDAY.
HIGH PRESSURE ALOFT WILL KEEP THE AREA DRY AND MOSTLY CLEAR AT LEAST THROUGH TUESDAY EVENING. COULSTON DOWNSLOPE WINDS ARE EXPECTED TO INCREASE LATER IN THE WEEK BUT HIGH TEMPERATURES WILL ALSO BE COOLER.
1026 PM CDT MON AUG 24 2015 06Z TAF CYCLE AN UPPER HIGH WILL REMAIN OVER THE FOUR CORNERS REGION AND THE CENTRAL ROCKIES THROUGH TUESDAY NIGHT.
627 PM CDT MON AUG 24 2015 LOW PRESSURE WAS SITUATED BETWEEN LAKE SUPERIOR AND JAMES BAY WITH A HIGH PRESSURE RIDGE IN THE PLAINS. AS HIGH PRESSURE RIDGE BUILDS INTO THE CWA. HIGH PRESSURE RIDGE WILL PROVIDE ANOTHER SUNNY DAY WITH PLEASANT TEMPERATURES. HIGHS WILL PUSH INTO THE LOWER TO MID 70S AT MOST LOCATIONS.
HIGH PRESSURE DOMINATES THE SURFACE PATTERN OVER EASTERN KANSAS TODAY. WITH HIGHS EXPECTED IN THE LOW 80S.
LN /ISSUED 242 PM CDT MON AUG 24 2015/ LATEST WATER VAPOR IMAGERY SHOWS A STRONG UPPER LOW OVER THE GREAT LAKES REGION. AND AN UPPER RIDGE OVER THE ROCKIES. TEMPERATURES HAVE RISEN INTO THE LOW TO MID 80S. TEMPS WILL LIKELY RISE BY ANOTHER DEGREE OR TWO BEFORE THE COOLER AND DRIER AIR FILTERS INTO THE AREA. THE UPPER LEVEL TROUGH WILL SLOWLY SHIFT EAST AND BECOME DEEPLY AMPLIFIED OVER THE MUCH OF THE EASTERN CONUS. TEMPERATURES WILL COOL INTO THE UPPER 50S BY TUESDAY MORNING AND ONLY RISE INTO THE LOWER 80S.
802 PM EDT MON AUG 24 2015 UPPER LEVEL LOW PRESSURE WILL SLOWLY MOVE EAST ACROSS THE NORTHERN GREAT LAKES THROUGH THE NEXT FEW DAYS. WITH HIGH PRESSURE BUILDING INTO THE OHIO VALLEY THROUGH THE END OF THE WEEK. STACKED LOW PRESSURE IS CURRENTLY CENTERED JUST NORTH OF LAKE SUPERIOR. ANY INFLUENCE FROM THE LOW WILL HOLD OFF UNTIL TUESDAY. THE DRY AIR (DEWPOINTS IN THE LOWER 50S) WILL BE SUPPORTIVE OF A SIZABLE DROP IN TEMPERATURES TONIGHT. WHILE NORMAL LOWS FOR THIS TIME OF YEAR ARE IN THE LOWER TO MIDDLE 60S. THE CLOSED UPPER LOW NORTH OF LAKE SUPERIOR WILL MOVE VERY SLOWLY TO THE ESE THROUGH TUESDAY.
742 PM EDT MON AUG 24 2015 AN APPROACHING COLD FRONT WILL CROSS THE MIDLANDS AND CSRA OVERNIGHT THEN STALL NEAR THE COAST ON TUESDAY.
RIDGE OVER CNTRL ND BRINGING CLEAR SKIES TO ENTIRE REGION. HIGH PRESSURE RIDGE IS OVER CENTRAL ND AND WILL SHIFT INTO WRN ZONES OVERNIGHT. WHILE SOME DEW POINTS BETWEEN DEVILS LAKE AND VALLEY CITY ARE STILL IN THE LOWER 50S. 00Z NAM IS KEEPING TEMPS 3 TO 5 DEG WARMER THAN PREV FCST. SHOULD BE LOTS OF SUN AGAIN TUE WITH SLIGHTLY WARMER HIGHS.
ANTICIPATE GRADUAL BREAKUP OF CLOUDS ESPECIALLY WEST OF THE MISSISSIPPI AS FLOW BECOMES MORE ANTICYCLONIC AND INCREASINGLY SUBSIDENT WITH HIGH PRESSURE BUILDING IN. LOW PRESSURE WAS SITUATED BETWEEN LAKE SUPERIOR AND JAMES BAY WITH A HIGH PRESSURE RIDGE IN THE PLAINS. AS HIGH PRESSURE RIDGE BUILDS INTO THE CWA. HIGH PRESSURE RIDGE WILL PROVIDE ANOTHER SUNNY DAY WITH PLEASANT TEMPERATURES. HIGHS WILL PUSH INTO THE LOWER TO MID 70S AT MOST LOCATIONS.
/ISSUED 311 PM CDT MON AUG 24 2015/ SEASONABLY COOL TEMPERATURES CONTINUE TODAY BEHIND YESTERDAY/S COLD FRONT. TEMPS WILL BE WARMER TONIGHT DUE TO THE RETURN MOISTURE WITH LOWS MAINLY IN THE 60S. THE UPPER RIDGE WILL BEGIN TO EXPAND AND STRENGTHEN OVER THE AREA ON TUESDAY. AND TEMPS SHOULD WARM BACK INTO THE LOWER 90S FOR MOST LOCATIONS. WITH THE WARMER TEMPS.
WITH THE HIGHER COVERAGE OVER THE NORTHEAST THIRD TO HALF OF THE CWA. WITH THE HIGHER COVERAGE OVER THE NORTHEAST THIRD TO HALF OF THE CWA. THOUGH WILL LIGHTER THAN TODAY AS HIGH PRESSURE BEGINS TO BUILD IN FROM THE WEST.
743 PM EDT MON AUG 24 2015 HIGH PRESSURE IN CONTROL THROUGH THE END OF THE WEEK. SHARP DEWPOINT DROPS IN THE WAKE OF THE COLD FRONTAL PASSAGE. WITH THE OHIO VALLEY ALREADY IN THE LOW 50S AT THIS POINT. AS 925-850MB MOISTURE REMAINS ON THE HIGH SIDE WITH WEST NORTHWESTERLY FLOW ALOFT. ON THE COOLER SIDE AT NIGHT WITH PLEASANT AFTERNOON HIGHS. AS CANADIAN HIGH PRESSURE AND A BROAD TROUGH ALOFT DOMINATE. MODELS HAVE A STRONG UPPER LOW OVER EASTERN CANADA WITH A MUCH COOLER AND RAIN FREE FALL LIKE WEATHER PATTERN FOR THE OHIO VALLEY. MODELS SUGGEST UPPER LOW COULD IMPACT THE REGION LATE IN THE PERIOD.
521 PM MDT MON AUG 24 2015 AN UPPER LEVEL RIDGE CENTERED OVER THE 4-CORNERS REGION TONIGHT WILL AMPLIFY AND SHIFT EAST INTO CENTRAL COLORADO TUESDAY. MIN TEMPERATURES SHOULD BE WARMER THAN LAST NIGHT WITH A LIGHT SOUTH WIND. MAX TEMPERATURES SHOULD REACH THE LOWER 90S TUESDAY. ESPECIALLY CONCERNING THE UPPER LEVEL HIGH PRESSURE RIDGE THAT IS CURRENTLY BUILDING OVER THE WESTERN UNITED STATES.
922 PM EDT MON AUG 24 2015 COOLER CONDITIONS AND SPARSE SHOWER CHANCES CAN BE EXPECTED UNTIL THE WEEKEND. PREVIOUS DISCUSSION A COLD FRONT PASSAGE USHERED IN LOWER DEWPOINTS AND DIMINISHED CLOUDINESS TODAY. THE LOW TEMP FORECAST NEEDED LITTLE ALTERATION AS PER ALREADY CLOSE INCOMING GUIDANCE.
RODRIGUEZ 133 PM CDT AN EARLY TASTE OF AUTUMN WEATHER WILL CONTINUE ACROSS THE AREA THROUGH TUESDAY AS AN UNSEASONABLY DEEP UPPER LOW OVER THE UPPER GREAT LAKES REGION CONTINUES TO SEND COOLER AIR AND STRATOCUMULUS CLOUD COVER SOUTHWARD OVER THE AREA. TEMPERATURES THIS AFTERNOON HAVE WARMED INTO THE LOWER 70S UNDER MAINLY SUNNY SKIES. TEMPERATURES ON TUESDAY COULD END UP A DEGREE OR TWO COOLER THAN TODAYS READINGS DUE TO SOME ADDITIONAL CLOUD COVER. KJB 418 PM CDT THE UPPER LOW IN CONTROL OF THE WEATHER FOR THE EARLY HALF OF THE WEEK WILL BEGIN TO SHIFT EAST OF THE AREA.
CONVECTION STAYED OFF TO THE EAST THIS EVENING WITH THE UPPER LEVEL RIDGE DOMINATING THE WEATHER ACROSS SE TX. THE RIDGE IS FCST TO MOVE SLIGHTLY WEST OVERNIGHT AND WATER VAPOR IMAGERY SHOWS A WEAK DISTURBANCE OVER THE PANHANDLE HEADING THIS WAY SO PERHAPS THE AREA WILL GET A FEW SHRA/TSRA. MAINTAINING 20 POPS FOR THE ENTIRE FORECAST AREA AFTER 06Z AS A WEAK COLD FRONT /STRETCHING FROM THE PERMIAN BASIN EASTWARD INTO CENTRAL LOUISIANA/ SLOWLY CREEPS SOUTH TOWARDS THE REGION OVERNIGHT. WE SHOULD SEE DRIER/SLIGHTLY COOLER AIR FILTERING IN FROM THE N/NE BY WEDS. THEN SPREADING INLAND SUN/MON AS AN INVERTED TROF MOVES IN OFF THE GULF.
as a secondary weak cold front moves into the region. /ISSUED 329 PM CDT MON AUG 24 2015/ (Tonight and Tuesday) A weak cold front is stalled generally along a line from near Barnhart. This in combination with what is left of the dissipating cold front will result in isolated to scattered showers and thunderstorms Tuesday afternoon, with the best chance across the eastern half of the region.
IN THE LOW LEVELS OF THE ATMOSPHERE. AN AREA OF LOW PRESSURE WILL BE CENTERED NEAR THE SOUTHEAST COAST OF THE UNITED STATES OVERNIGHT. A TROUGH OF LOW PRESSURE WILL BE LOCATED OVER NORTH FLORIDA TONIGHT. A TROUGH OF LOW PRESSURE WILL BE CENTERED OVER THE CENTRAL GULF OF MEXICO OVERNIGHT.
A NOW OCCLUDED SURFACE CYCLONE CONTINUES TO SPIN OVER SOUTHERN CANADA. LATEST SURFACE ANALYSIS HAS THE COLD FRONT ALMOST THROUGH ALL OF CENTRAL ALABAMA WITH THE EXCEPTION OF PERHAPS EUFAULA AND BARBOUR COUNTY. A COLD FRONT WAS LOCATED NEAR MGM. HIGH PRESSURE AND MUCH DRIER AIR FILTERS INTO CENTRAL ALABAMA.
HIGH PRESSURE ALONG WITH A DRY AIRMASS OVER THE TN VALLEY WILL PROVIDE FOR VFR CONDITIONS THRU THE FCST PERIOD.
DEWPOINTS WILL CONTINUE TO DROP UNDER THIS HIGH NEAR NE OK.