Aikyam-Lab/Synoptic-Bench huggingface dataset:
224 AM MDT TUE APR 5 2016 UPPER FLOW WILL BE WESTERLY THIS MORNING AHEAD OF A TROUGH THAT WILL MOVE ACROSS THE NORTHERN AND CENTRAL PLAINS THIS AFTERNOON AND NIGHT. NORTHWEST FLOW WILL MOVE INTO THE REGION WEDNESDAY BEHIND THE EXITING TROUGH.
COOLER HIGH PRESSURE TO SETTLE OVER THE STATE. KEEPING TEMPERATURES 3-5 DEGREES COOLER ACROSS THE STATE TUESDAY AFTERNOON. HIGH PRESSURE WILL KEEP THE AREA PRECIP FREE THROUGH MID WEEK.
IS A CLASSIC SPRING SETUP FOR WARMER THAN ANTICIPATED MAXES. DEEPENING LOW PRESSURE OVER THE HIGH PLAINS WILL SUPPORT STRONG AND GUSTY SOUTH WINDS TUESDAY AFTERNOON. AN APPROACHING STRONG COLD FRONT SHOULD SUPPORT AT LEAST ISOLATED TO WIDELY SCATTERED SHOWERS/THUNDERSTORMS AFTER 22-23Z TUESDAY LATE AFTERNOON GENERALLY NORTHWEST OF HUT-SLN. WITH STOUT NORTHWEST WINDS IN WAKE OF THE COLD FRONT TUESDAY EVENING.
HIGH PRESSURE EXTENDS ACROSS MOST OF THE GULF. THERE IS AN EXTENSIVE COLD FRONT ALONG THE MID ATLANTIC STATES THAT EXTENDS SOUTHWESTWARD AND IS BEGINNING TO ENTER THE SOUTHEASTERN CONUS. THROUGH TODAY THE COLD FRONT WILL CONTINUE TO MOVE SOUTHWARD THROUGH THE SOUTHEASTERN STATES AND ENTER NORTH FLORIDA LATER TODAY. IN ADDITION HIGH PRESSURE IS FORECAST TO BUILD INTO THE ATLANTIC SEA BOARD AND SOUTHEAST. ANOTHER COLD FRONT WILL MOVE EASTWARD INTO THE SOUTHEASTERN STATES AND THE NORTHEASTERN GULF LATE WEDNESDAY AND COULD ENTER THE FLORIDA PANHANDLE WEDNESDAY NIGHT.
229 AM EDT TUE APR 5 2016 WITH HIGH PRESSURE BUILDING OVER THE REGION, VFR CONDITIONS ARE FORECAST ALL ALL TAFS SITES. MORNING LOWS ON TUE WILL REMAIN ON THE COOLER SIDE ACROSS THE CWA WITH COASTAL LOCATIONS DROPPING INTO THE LOW TO MID 60S. LEFTOVER MOISTURE IN THE WAKE OF A COLD FRONT PASSAGE ON SUN IS SUPPORTING PASSING SHOWERS AND EVEN AN OCCASIONAL THUNDERSTORM ACROSS THE SOUTHERN TIP OF THE STATE. THIS SHOWER ACTIVITY IS BEING ENHANCED BY A PASSING SHORT WAVE TROUGH ALOFT THROUGH THIS EVENING.
143 AM EDT TUE APR 5 2016 HIGH PRESSURE WILL PROVIDE DRY BUT UNSEASONABLY COLD WEATHER THROUGH TUESDAY NIGHT.
636 AM EDT TUE APR 5 2016 IT WILL BE BREEZY AND DRY BEHIND A COLD FRONT TODAY. AN APPROACHING COLD PRESSURE RIDGE WILL EXTEND THROUGH THE FORECAST AREA TONIGHT. THE RIDGE WILL MOVE OFF THE COAST WEDNESDAY.
HIGH PRESSURE WILL BRING DRY AND WARMER CONDITIONS FOR THE NEXT FEW DAYS.
IT WILL BE BREEZY AND DRY BEHIND A COLD FRONT TODAY. AN APPROACHING COLD PRESSURE RIDGE WILL EXTEND THROUGH THE FORECAST AREA TONIGHT. THE RIDGE WILL MOVE OFF THE COAST WEDNESDAY.
Strong southerly winds will continue this evening in advance of approaching upper wave and associated cold front.
COLD FRONT THAT MOVED ACROSS CENTRAL AND SOUTHWEST MT THIS AFTN/EVE IS CURRENTLY MAKING ITS WAY THROUGH EASTERN THIRD OF THE STATE. A SECOND AREA OF SHOWERS, ASSOCIATED WITH THE AXIS OF THE UPPER-LEVEL TROF, IS CURRENTLY APPROACHING THE CONTINENTAL DIVIDE. PRECIP COVERAGE WILL BE LESS THAN THE EARLIER SHOWERS WITH THE COLD FRONT AND AMOUNTS FROM THESE SHOWERS WILL LIKELY BE A JUST TRACE TO A FEW HUNDREDTHS OF AN INCH. THUS THE HIGH WIND WARNING OVER NORTHEAST PORTIONS OF THE FORECAST AREA REMAINS IN EFFECT WITH NO CHANGES AT THIS TIME.
HIGH PRESSURE WILL MOVE THROUGH THE REGION TONIGHT IN THE WAKE OF AN EXITING COLD FRONT. ANOTHER LOW PRESSURE SYSTEM WILL PUSH THROUGH THE GREAT LAKES LATE TUESDAY NIGHT INTO THE WEEKEND. CURRENT TEMPS ACROSS THE AREA ARE RANGING FROM THE LOW TO UPPER 30S FROM NORTH TO SOUTH RESPECTIVELY. THIS MAY KEEP TEMPS UP A BIT BUT SHOULD STILL EASILY GET BELOW FREEZING ACROSS THE AREA. A DEEP UPPER TROUGH ACROSS THE EASTERN UNITED STATES STARTS THIS PERIOD.
317 AM EDT TUE APR 5 2016 HIGH PRESSURE BUILDS TODAY. WARMER/WINDY WEDNESDAY.
606 AM EDT TUE APR 5 2016 HIGH PRESSURE WILL BUILD IN FROM THE WEST TODAY AND TONIGHT THEN MOVE EAST OF THE REGION WEDNESDAY.
657 AM EDT TUE APR 5 2016 HIGH PRESSURE WILL MOVE IN FROM THE WEST TODAY AND ALLOW FOR QUIET WEATHER CONDITIONS THROUGH WEDNESDAY MORNING.
/ISSUED 844 PM EDT MON APR 4 2016/ UPPER LONGWAVE TROUGH OVER EASTERN NORTH AMERICA CONTINUES TO KEEP UNSEASONABLY COOL CONDITIONS OVER THE EASTERN SEABOARD THIS EVENING. DRY AIR ALOFT AS SEEN IN THE 00Z KTBW SOUNDING AND HIGH PRESSURE SETTLING OVER THE REGION AT THE SURFACE ALLOWING TEMPS TO FALL RAPIDLY AFTER SUNSET WITH TEMPS IN THE UPPER 60S TO LOWER 70 AREA WIDE AT 800 PM.
456 AM MDT TUE APR 5 2016 UPPER FLOW WILL BE WESTERLY THIS MORNING AHEAD OF A TROUGH THAT WILL MOVE ACROSS THE NORTHERN AND CENTRAL PLAINS THIS AFTERNOON AND NIGHT. NORTHWEST FLOW WILL MOVE INTO THE REGION WEDNESDAY BEHIND THE EXITING TROUGH.
THE TROUGH OVER THE NORTHERN ROCKIES MOVES EAST AND DIGS INTO THE UPPER GREAT LAKES TONIGHT. AN UPPER LOW LOOKS TO DIVE THROUGH THE REGION FRI. BRINGING A MUCH COOLER AIRMASS AND PLENTY OF LES WITH IT. AS THE LOW MOVES CLOSER.
346 AM MDT TUE APR 5 2016 CURRENT WATER VAPOR LOOP SHOWED UPPER RIDGE AXIS OVER THE GREAT PLAINS. WITH A POTENT UPPER LOW/TROUGH PROGRESSING EAST ACROSS THE NORTHERN ROCKIES. A COLD FRONT WAS MOVING SOUTHEAST ACROSS NORTHWEST WY. THE SHORT RANGE MODELS HAVE BEEN MORE CONSISTENT THE PAST FEW CYCLES WITH THE TIMING AND STRENGTH OF THE UPPER TROUGH AND COLD FRONTAL PASSAGE TODAY. THE UPPER LOW AT 12Z THIS MORNING WILL BE OVER EAST-CENTRAL MT WITH THE TROUGH AXIS EXTENDING SOUTHWEST INTO EASTERN ID. THE HIGHER MOUNTAIN PEAKS COULD RECEIVE A COUPLE INCHES OF SNOW TODAY. HIGH TEMPERATURES TODAY WILL DEPEND SOLELY ON THE TIMING OF THE COLD FRONTAL PASSAGE.
358 AM CDT TUE APR 5 2016 WATER VAPOR LOOP INDICATED AN UPPER LEVEL TROUGH OVER WESTERN MT. CLOSED UPPER LEVEL LOW WILL MOVE ACROSS THE NORTHERN PLAINS TUE NIGHT AND PRODUCE RAIN/SNOW. MOST OF THE PRECIP WAS UNDER THE 700 HPA THETA-E RIDGE. LIGHT PRECIP EXPECTED LATER TUE NIGHT AS UPPER LOW MOVES OVER THE AREA. FOR A BRIEF TIME THE LARGE UPPER LOW OVER HUDSON BAY AND TROUGH INTO THE GREAT LAKES WILL SHIFT EAST AS A STORM WRAPS UP INTO EASTERN CANADA.
STRONG INSOLATION AND SLIGHTLY WARMING THICKNESSES SHOULD SUPPORT HIGHS THIS AFTERNOON A FEW DEGREES WARMER THAN YESTERDAY.
WARM TEMPERATURES ARE EXPECTED TODAY AND TOMORROW AS HIGH PRESSURE PERSISTS OVER CALIFORNIA.
THE WATER VAPOR IMAGERY SHOWS ANOTHER SHORT WAVE TROUGH ON THE SOUTHWEST PERIPHERY OF THE CLOSED LOW SOUTH OF HUDSON BAY WAS MOVING SOUTHEAST THROUGH NORTHEAST WISCONSIN. EXPECT THAT THE VALLEYS WILL WARM ABOUT 4F ABOVE THE NAM MOS AND WOULD MOST LIKELY BE NEAR OR A COUPLE OF DEGREES WARMER THAN THE GFS MOS.
This evenings analysis as well as water vapor loops show an upper level ridge centered over the eastern slopes of the Rockies. This disturbance will top the upper ridge and drop southeast through the central plains on thursday. Subsidence associated with the upper ridge will keep the weather pattern dry across southwest and central kansas through tonight.
1129 AM CDT WED AUG 26 2015 RIDGE AXIS EXTENDING FROM NORTHERN MISSOURI.
UNSEASONABLE COLD FRONT STALLING ACROSS N FL WILL LEAD TO VERY UNSTABLE ATMOSPHERE ACROSS S FL TODAY. A LARGE AMPLITUDE UPPER LEVEL TROUGH ACROSS THE EASTERN CONUS AND INTO THE CENTRAL GULF WITH DEEP TROPICAL MOISTURE ACROSS THE FLORIDA STRAITS AND INTO THE NORTHWEST BAHAMAS. THE SURFACE TO LOW LEVEL SOUTHERLY WINDS WILL ADVECT IN DEEPER TROPICAL MOISTURE INTO THE REGION TODAY WHILE THE UPPER LEVEL TROUGH CONTINUES TO DEEPEN INTO THE GULF WITH SOUTH FLORIDA EAST OF THE TROUGH AXIS. WITH THE AXIS OF THE UPPER LEVEL LOW STILL REMAINING IN THE NORTHERN TO CENTRAL GULF AND SOUTHERLY FLOW CONTINUING TO BRING TROPICAL MOISTURE INTO THE REGION. THURSDAY'S MID-LEVEL TEMPERATURES ARE FORECAST TO REMAIN COOLER THAN SEASONAL NORMS.
A DEEP UPPER TROPOSPHERIC TROUGH BISECTS THE NORTHERN GULF COAST. THE SUBTROPICAL RIDGE HAS MAINTAINED REAL ESTATE. A WEAK AREA OF HIGH PRESSURE WILL EXTEND OVER THE FLORIDA KEYS AND ADJACENT COASTAL WATERS THIS AFTERNOON THROUGH THURSDAY.
THE DISTURBANCE WILL BEGIN TO ROUND THE TOP OF THE RIDGE OVER THE ROCKIES AND SWING THROUGH COLORADO LATER TODAY AND TONIGHT. POSSIBLY SOME ISOLATED SHOWERS AND STORMS ACROSS THE PLAINS AS THE MONSOON DISTURBANCE MOVES THROUGH THE RIDGE OVER COLORADO. TEMPERATURES WILL BE ABOUT THE SAME OR MAYBE A TAD WARMER THAN YESTERDAY. UPPER TROF ACROSS WY/NRN CO WILL BE PUSHING EASTWARD INTO KS/NE BY THURSDAY AFTERNOON.
Cooler temperatures beginning over the weekend with a chance of showers over the northern portion of the state. Not much change in store for Thursday under continued southwest flow aloft as northern California remains between high pressure over the southwest U. S and a low pressure system off the Pacific Northwest coast.
QUIET AND SOMEWHAT COOL CONDITIONS FOR THE TIME OF YEAR CAN BE EXPECTED THROUGH THE REMAINDER OF THE WORK WEEK AS AN UPPER LOW LIFTS NORTH TOWARD JAMES BAY AND HIGH PRESSURE AT THE SURFACE SLOWLY DRIFTS EASTWARD ACROSS THE REGION.
315 AM CDT WED AUG 26 2015 Looks like a couple of quiet weather days through Thursday as an upper level ridge of high pressure dominates.
CURRENT WATER VAPOR IMAGERY INDICATES TWO PROMINENT UPPER LEVEL FEATURES WITH A RIDGE ACROSS THE DESERT SOUTHWEST AND A CLOSED LOW ACROSS THE GREAT LAKES. THE COLD FRONT IS NOW ALONG THE ATLANTIC SEABOARD WITH HIGH PRESSURE ACROSS THE NORTHERN PLAINS STRETCHING SOUTHWARD INTO THE MID-MISSISSIPPI RIVER VALLEY.
HIGH PRESSURE ALOFT WILL PREVAIL OVER THE REGION THROUGH THURSDAY.
737 AM EDT WED AUG 26 2015 A LARGE AREA OF HIGH PRESSURE OVER THE MID SECTION OF THE COUNTRY WILL BUILD EAST THROUGH THE UPCOMING WEEKEND.
WARMER TEMPERATURES ARE EXPECTED TODAY AND TOMORROW AS HIGH PRESSURE BUILDS INTO CALIFORNIA FROM THE DESERT SOUTHWEST.
700 AM EDT WED AUG 26 2015 HIGH PRESSURE NUDGES INTO THE REGION TODAY. PUSHING THE COLD FRONT OFFSHORE TONIGHT INTO THURSDAY. WEAK HIGH PRESSURE WILL BUILD NORTH OF THE AREA FOR THE LATTER HALF OF THE WEEK. HAVE CONTINUED ISO TO SCT SHRA WORDING ACROSS THE FAR SE CWA FOR THIS MORNING, AS WEAK WAVE OF LOW PRESSURE PUSHES ALONG THE FRONT EARLY TODAY. COOL HIGH PRESSURE OVER THE NORTHERN AND CENTRAL PLAINS BUILDS EAST, ALLOWING FOR HIGHS IN THE LOW TO MID 80S UNDER A PARTLY SUNNY SKY.
LOW TEMPERATURES SHOULD RANGE FROM THE LOW TO MID 60S IN FAR EASTERN COLORADO TO THE MID 60S TO LOW 70S EAST OF THE CO/KS BORDER.
/ISSUED 329 AM CDT WED AUG 26 2015/ SLIGHTLY DRIER AIR DURING THE NEXT FEW DAYS WILL ALLOW FOR SLIGHTLY COOLER THAN NORMAL LOW TEMPERATURES.
EXPECT MUCH COOLER TEMPERATURES THROUGH THE SHORT TERM PERIOD WITH SEASONABLY COOL TEMPERATURES EXPECTED. RIDGE AMPLIFIES OVER UTAH BEHIND DEPARTING SHORT WAVE.
CENTER OF THE UPPER RIDGE CONTINUES TO BUILD INTO THE ROCKIES WHICH WILL LEAVE THE PANHANDLES WITHIN NORTHWEST FLOW.
615 AM CDT WED AUG 26 2015 A LARGE MID/UPPER LEVEL RIDGE EXTENDS ACROSS THE GREAT PLAINS WITH THE RIDGE AXIS EXTENDING FROM NORTHERN MEXICO INTO WESTERN MONTANA. HIGH PRESSURE RIDGE AXIS EXTENDS FROM WESTERN ONTARIO THROUGH CENTRAL MINNESOTA.
Vapor imagery and upper air data showed a rather deep long wave trough over much of the eastern CONUS, with plenty of dry air flooding into the Southeast. There was a weak short wave trough rotating through the base of the long wave trough across central AL, but it's unlikely to have much impact on our forecast.
1024 AM EDT WED AUG 26 2015 AVIATION SECTION UPDATED QUIET AND SOMEWHAT COOL CONDITIONS FOR THE TIME OF YEAR CAN BE EXPECTED THROUGH THE REMAINDER OF THE WORK WEEK AS AN UPPER LOW LIFTS NORTH TOWARD JAMES BAY AND HIGH PRESSURE AT THE SURFACE SLOWLY DRIFTS EASTWARD ACROSS THE REGION.
1113 AM EDT WED AUG 26 2015 AN UNSEASONABLY STRONG UPPER TROUGH WILL DOMINATE THE WEATHER PATTERN OVER PENNSYLVANIA TODAY THROUGH THURSDAY.
1122 AM EDT WED AUG 26 2015 SPRINKLES TO LIGHT SHOWERS ARE POSSIBLE TODAY IN NORTHERN INDIANA SOUTHERN MICHIGAN AND NORTHWESTERN OHIO AS A LOW STILL ROTATES IN CANADA AND HIGH PRESSURE IS TO THE NORTHWEST. THIS HIGH WILL MOVE INTO THE REGION TONIGHT CLEARING UP THE SKIES. LOWS TONIGHT WILL BE ON THE COOL SIDE IN THE LOWER 50S. HIGHLY AMPLIFIED MID/UPR FLOW ACROSS CONUS AT PRESENT CHARACTERIZED BY TX PANHANDLE TO ERN MT RIDGE BETWIXT SHARP/SLOWLY EXITING TROF ACROSS SERN CANADA INTO LOWER GREAT LAKES AND 140W CENTERED TROF. 925-8H RIDGE WELL UPSTREAM OVER MISSOURI RIVER VALLEY TO MAKE ONLY SLIGHT EWD PROGRESS TODAY. LOW LEVEL THERMAL TROUGHING WILL HOLD FOR ONE MORE DAY ON THURSDAY. AS UPPER LEVEL TROUGHING BEGINS TO DEPART THE OHIO VALLEY.
401 AM EDT WED AUG 26 2015 A LARGE AREA OF HIGH PRESSURE OVER THE MID SECTION OF THE COUNTRY WILL BUILD EAST THROUGH THE UPCOMING WEEKEND.
At 3 am EDT, a weak slow-moving cold front had cleared much of the Big Bend and lay just south of Perry.
612 AM CDT WED AUG 26 2015 THE MAJORITY OF THE NEXT 24 HOURS WILL REMAIN FAIRLY QUIET WITH THE CONTINUED PRESENCE OF THE UPPER LEVEL RIDGE BUILDING ALONG THE FRONT RANGE. LOW PRESSURE ALONG THE FRONT RANGE WILL AIDE IN A TIGHTENED PRESSURE GRADIENT AND INCREASED WARM AIR ADVECTION ACROSS THE AREA. HIGH TEMPERATURES SHOULD BE SLIGHTLY WARMER THAN YESTERDAY WITH 80S TO MID 90S FOR FORECAST HIGHS. AS AN UPPER LEVEL DISTURBANCE ROUNDING THE TOP OF THE RIDGE APPROACHES THE CENTRAL PLAINS. WHILE THE NOSE OF THE LOW LEVEL JET REMAINS NORTH OF THE FORECAST AREA. AN UPPER LOW MOVES OVER AND BREAKS DOWN THE RIDGE ACROSS THE AREA ON THURSDAY.
721 AM EDT WED AUG 26 2015 HIGH PRESSURE WILL MOVE PROVIDE DRY WEATHER INTO THURSDAY. AS THE HIGH SHIFTS TO THE MID ATLANTIC. SEEMS OVERDONE AND FORECAST WILL KEEP IT DRY WITH STRONG HIGH PRESSURE BUILDING IN FROM THE GREAT LAKES. TEMPS RANGING FROM THE LOWER TO MID 70S ACROSS THE MOUNTAINS.
OUR REGION REMAINS SANDWICHED BETWEEN AN UPPER LOW NEAR JAMES BAY CANADA AND AN UPPER LEVEL RIDGE CENTERED OVER EASTERN CO/NM.
MID CLOUDS ARE ROTATING CYCLONICALLY AROUND THE UPPER LOW TO THE EAST OF OUR REGION. THIS IS GENERALLY ABOUT 1 TO 2 DEGREES WARMER THAN YESTERDAY. ERVIN QUIET AND PLEASANT CONDITIONS WILL CONTINUE ON THURSDAY AS HIGH PRESSURE SLOWLY MOVES INTO THE EASTERN GREAT LAKES.
1142 AM EDT WED AUG 26 2015 THE LAST IN A SERIES OF UPPER LEVEL TROUGHS WILL MOVE ACROSS THE REGION TODAY.
329 AM CDT WED AUG 26 2015 SLIGHTLY DRIER AIR DURING THE NEXT FEW DAYS WILL ALLOW FOR SLIGHTLY COOLER THAN NORMAL LOW TEMPERATURES.
749 AM EDT WED AUG 26 2015 AN UNSEASONABLY STRONG UPPER TROUGH WILL DOMINATE THE WEATHER PATTERN OVER PENNSYLVANIA TODAY THROUGH THURSDAY.
1225 PM EDT WED AUG 26 2015 A LARGE AREA OF HIGH PRESSURE OVER THE MID SECTION OF THE COUNTRY WILL BUILD EAST THROUGH THE UPCOMING WEEKEND.
/issued 315 AM CDT WED AUG 26 2015/ Looks like a couple of quiet weather days through Thursday as an upper level ridge of high pressure dominates.
WITH TROUGHING IN THE EAST. AND THE LOW TO MID 70S EAST OF I95 IN CLOSER PROXIMITY TO THE BOUNDARY. LOWS IN THE LOWER 60S NW TO UPPER 60S SE. HIGHS IN THE LOW TO MID 80S WITH THE HIGHEST TEMPS MOST LIKELY IN THE SOUTHWESTERN COUNTIES AS SOME LOWER THICKNESS VALUES WORK INTO THE EASTERN HALF OF THE CWA FROM THE NORTH. IN THE WAKE OF THE EASTERN US TROUGH LIFTING NEWD INTO EASTERN CANADA. WEAK TROUGHINESS WILL EXTEND FROM THE CENTRAL GULF NORTHWARD INTO THE LOWER MS VALLEY AS THE SUBTROPICAL RIDGE OVER THE WESTERN ATLANTIC RETROGRADES TOWARDS THE SOUTHEAST COAST.
1038 AM CDT WED AUG 26 2015 REMOVED THE LOW POPS THAT WERE IN FOR THIS MORNING.
HIGH PRESSURE NUDGING INTO LOWER MI FROM THE WEST TONIGHT AND A FAIRLY SHALLOW LOW LEVEL INVERSION BASED ON LATEST MODEL SOUNDINGS WILL OFFER AN OPPORTUNITY FOR SOME CLEARING. TODAY AND TONIGHT EVEN AS UPPER LOW PRESSURE TO THE NORTH OPENS AND LIFT NORTHEAST INTO QUEBEC. AS UPPER TROUGH CONTINUES TO SHIFT EAST TONIGHT. BETWEEN THESE CLEARING SKIES AND LIGHT WINDS ASSOCIATED WITH THE HIGH.
639 AM EDT WED AUG 26 2015 AN UPPER TROUGH WILL LINGER ACROSS THE AREA TODAY BEFORE MOVING TO THE EAST TONIGHT.
613 AM EDT WED AUG 26 2015 LINGERING CLOUDS ASSOCIATED WITH A DEEP LOW PRESSURE AREA WILL PERSIST THROUGH THE AT LEAST MIDDAY. LOWS TONIGHT WILL FALL BACK INTO THE LOWER 50S. HIGHLY AMPLIFIED MID/UPR FLOW ACROSS CONUS AT PRESENT CHARACTERIZED BY TX PANHANDLE TO ERN MT RIDGE BETWIXT SHARP/SLOWLY EXITING TROF ACROSS SERN CANADA INTO LOWER GREAT LAKES AND 140W CENTERED TROF. 925-8H RIDGE WELL UPSTREAM OVER MISSOURI RIVER VALLEY TO MAKE ONLY SLIGHT EWD PROGRESS TODAY. LOW LEVEL THERMAL TROUGHING WILL HOLD FOR ONE MORE DAY ON THURSDAY. AS UPPER LEVEL TROUGHING BEGINS TO DEPART THE OHIO VALLEY.
ALONG WITH COOLER TEMPERATURES DUE TO A PASSING COLD FRONT AS WELL AS INCREASED CLOUD COVER.
AND THIS IS LIKELY DUE TO DRY AIR IN THE LOW LEVELS. IN THE LOW LEVELS WARM ADVECTION WILL PUSH THROUGH CENTRAL AND EASTERN NORTH DAKOTA BY 12Z FOLLOWED BY A WEAK BACKDOOR FEATURE/H850 COLD ADVECTION THAT MANIFESTS ITSELF AS NORTHEAST SURFACE WINDS TODAY AT WILLISTON.
629 AM EDT WED AUG 26 2015 THE AVIATION SECTION HAS BEEN UPDATED BELOW QUIET AND SOMEWHAT COOL CONDITIONS FOR THE TIME OF YEAR CAN BE EXPECTED THROUGH THE REMAINDER OF THE WORK WEEK AS AN UPPER LOW LIFTS NORTH TOWARD JAMES BAY AND HIGH PRESSURE AT THE SURFACE SLOWLY DRIFTS EASTWARD ACROSS THE REGION.
935 AM EDT WED AUG 26 2015 A LARGE AREA OF HIGH PRESSURE OVER THE MID SECTION OF THE COUNTRY WILL BUILD EAST THROUGH THE UPCOMING WEEKEND.
LATEST ANALYSIS SHOWS THE COLD FRONT JUST SOUTH OF THE CWA AND IT APPEARS TO HAVE STALLED.
WHICH WILL MEAN NEARLY CLEAR SKIES AND TEMPERATURES AGAIN JUMPING INTO THE LOW 100S.
ATLANTIC HIGH PRESSURE RIDGED WEST WITH AN AXIS ACROSS THE BAHAMAS AND ALONG THE SOUTH SIDE OF THE FLORIDA KEYS.
915 AM EDT WED AUG 26 2015 STORMS ARE EXPECTED TO DEVELOP ON A TROUGH WHICH EXTENDS FROM NEAR KSSI TO NEAR KGNV THIS MORNING.
IN THE LOW LEVELS WARM ADVECTION WILL PUSH THROUGH CENTRAL AND EASTERN NORTH DAKOTA BY 12Z FOLLOWED BY A WEAK BACKDOOR FEATURE/H850 COLD ADVECTION THAT MANIFESTS ITSELF AS NORTHEAST SURFACE WINDS TODAY AT WILLISTON.
HIGH PRESSURE MOVING FROM THE UPPER MISSISSIPPI VALLEY TO THE EASTERN GREAT LAKES WILL CONTINUE TO PROVIDE US WITH PEACEFUL WEATHER. AS WE BEGIN TO GET ON THE WEST SIDE OF THE HIGH, TEMPERATURES WILL GET A BIT WARMER ON THURSDAY WITH HIGHS AROUND 80.
1241 PM EDT WED AUG 26 2015 THE AVIATION SECTION HAS BEEN UPDATED BELOW QUIET AND SOMEWHAT COOL CONDITIONS FOR THE TIME OF YEAR CAN BE EXPECTED THROUGH THE REMAINDER OF THE WORK WEEK AS AN UPPER LOW LIFTS NORTH TOWARD JAMES BAY AND HIGH PRESSURE AT THE SURFACE SLOWLY DRIFTS EASTWARD ACROSS THE REGION.
HIGH PRESSURE CONTINUES TO BUILD IN FROM THE NW, KEEPING MIDDLE TENNESSEE DRY AND MILD. TODAY WILL PRETTY MUCH BE A CARBON COPY OF YESTERDAY, WITH WIDESPREAD SUNSHINE AND AFTERNOON HIGHS RANGING FROM THE MID 70S ALONG THE CUMBERLAND PLATEAU TO THE LOWER 80S MOST OTHER AREAS. OUR FRIENDLY EASTERN UPPER TROUGH WILL CONTINUE TO GIVE US SOME NICE COOLER-THAN-NORMAL TEMPS FOR ONE MORE NIGHT, WITH LOWS BY SUNRISE THURSDAY IN THE 50S ONCE AGAIN MOST AREAS. A GRADUAL WARM-UP BEGINS THURSDAY AFTERNOON, AS UPPER TROUGH PULLS EAST AND DAMPENS OUT, AND HIGH PRESSURE RIDGE STARTS TO BUILD IN FROM THE SOUTHERN PLAINS AND LOWER MISSISSIPPI VALLEY.
626 AM CDT WED AUG 26 2015 WITH HIGH PRESSURE IN CONTROL OF THE WEATHER IN ARKANSAS.
A LARGE UPPER LEVEL RIDGE OVER THE FOUR CORNERS REGION WILL BRING A WARMING TREND TODAY AND THURSDAY.
346 AM CDT WED AUG 26 2015 A LARGE MID/UPPER LEVEL RIDGE EXTENDS ACROSS THE GREAT PLAINS WITH THE RIDGE AXIS EXTENDING FROM NORTHERN MEXICO INTO WESTERN MONTANA. HIGH PRESSURE RIDGE AXIS EXTENDS FROM WESTERN ONTARIO THROUGH CENTRAL MINNESOTA.
A RIDGE OF HIGH PRESSURE WILL INFLUENCE THE REGIONS WEATHER WITH DRY CONDITIONS AND ABOVE NORMAL TEMPERATURES TODAY.
325 AM CDT WED AUG 26 2015 DEEP UPPER LOW NORTH OF LAKE ERIE EARLY THIS MORNING CONTINUES TO SLOWLY EDGE AWAY FROM THE MIDWEST. SLIGHTLY COOLER THAN CLIMATOLOGICAL NORMS THROUGH THE END OF THE WEEK, ALBEIT IN A SLIGHT WARMING TREND.
1030 AM CDT WED AUG 26 2015 S-SE SFC WINDS ACROSS THE AREA HAS RESULTED IN WARMER.
A FEW SHOWERS COULD DEVELOP EARLY THIS AFTERNOON OVER THE HIGHER TERRAIN OF TWIN FALLS.
UPPER LEVEL RIDGE CENTERED OVER THE ROCKIES MAY WOBBLE EVER SO SLIGHTLY EWD.
925 AM EDT WED AUG 26 2015 HIGH PRESSURE WILL MOVE PROVIDE DRY WEATHER INTO THURSDAY. AS THE HIGH SHIFTS TO THE MID ATLANTIC. HIGH PRESSURE WILL BUILD EAST ACROSS THE REGION TODAY AND TONIGHT. SEEMS OVERDONE AND FORECAST WILL KEEP IT DRY WITH STRONG HIGH PRESSURE BUILDING IN FROM THE GREAT LAKES. TEMPS RANGING FROM THE LOWER TO MID 70S ACROSS THE MOUNTAINS.
THE TROUGH OVER THE GREAT LAKES/EASTERN CONUS WILL MOVE A BIT FURTHER EAST TODAY. THE WESTERN CONUS RIDGE WILL BEGIN TO BUILD EAST. THE FAR EASTERN CWA IS NEAR THE BACK EDGE OF THE LOW CLOUDS/MOISTURE ASSOCIATED WITH THE LOW AND IS EXPECTED TO MOVE EAS EARLY THIS MORNING.
/ISSUED 354 AM CDT WED AUG 26 2015/ EARLY MORNING SFC ANALYSIS SHOWS THE COLD FRONT NOW WELL SW OF THE FORECAST AREA WITH DEWPOINTS CURRENTLY RUNNING IN THE UPPER 50S ACROSS THE NERN ZONES. AND TEMPS RANGING FROM THE LOWER 60S NERN ZONES TO LOWER 70S SWRN ZONES. WATER VAPOR IMAGERY SHOWS THE AREA IN A DRY NRLY FLOW ALOFT BETWEEN TROFFING OVER THE ERN CONUS AND RIDGING OVER THE CNTL STATES. MAIN STORY NEXT COUPLE OF DAYS LOOKS TO BE HOW MUCH COOLER TEMPS WILL BE AS HIGHS WILL AGAIN STRUGGLE TO MAKE IT PAST 90 FOR MUCH OF THE AREA.
935 AM CDT WED AUG 26 2015 1023 MB HIGH OVER MISSOURI RIDGING DOWN THROUGH SETX WITH THE ASSOCIATED COLD FRONT OVER THE FAR SW COASTAL WATERS AND CRP CWA. WITH GALVESTON EVEN GETTING INTO THE LOWER 90S. /ISSUED / OVER THE PAST DAY THE MID TO UPPER LEVEL RIDGE AXIS HAS SHIFTED A TOUCH EAST WITH NORTHERN AMPLIFICATION.
650 AM EDT WED AUG 26 2015 LOWER VFR TO MVFR CIGS WILL TREND FROM OVC TO BKN TODAY AS UPPER LOW SLOWLY PULLS AWAY FROM THE AREA. THIS HIGH WILL ALSO BRING LIGHT AND VARIABLE FLOW AFTER A DAY OF WNW FLOW 5-10 KNOTS. TODAY AND TONIGHT EVEN AS UPPER LOW PRESSURE TO THE NORTH OPENS AND LIFT NORTHEAST INTO QUEBEC. AS UPPER TROUGH CONTINUES TO SHIFT EAST TONIGHT. BETWEEN THESE CLEARING SKIES AND LIGHT WINDS ASSOCIATED WITH THE HIGH.
646 AM EDT WED AUG 26 2015 THE LAST IN A SERIES OF UPPER LEVEL TROUGHS WILL MOVE ACROSS THE REGION TODAY.
439 AM EDT WED AUG 26 2015 A LARGE AREA OF HIGH PRESSURE OVER THE MID SECTION OF THE COUNTRY WILL BUILD EAST THROUGH THE UPCOMING WEEKEND.
LOW PRESSURE AND ITS ASSOCIATED FRONT WILL RETROGRADE WESTWARD ACROSS THE SOUTHEAST TODAY. LOCAL MODELLING SUGGESTS SOME SLIGHTLY COOLER AIR MOVING OVERHEAD.
311 AM PDT WED AUG 26 2015 HIGH PRESSURE CENTERED NEAR THE FOUR CORNERS REGION WILL BRING WARM TEMPERATURES WITH TYPICAL LATE DAY WINDS THROUGH THURSDAY. LOW PRESSURE WILL MOVE INTO THE PACIFIC NORTHWEST THIS WEEKEND AND BRING COOLER TEMPERATURES AND PERIODS OF GUSTY WINDS. MID AND HIGH LEVEL MOISTURE WAS WORKING NORTHWARD ACROSS NV ON THE NORTHWEST PERIPHERY OF RIDGE.
409 AM EDT WED AUG 26 2015 LINGERING CLOUDS ASSOCIATED WITH A DEEP LOW PRESSURE AREA WILL PERSIST THROUGH THE AT LEAST MIDDAY. LOWS TONIGHT WILL FALL BACK INTO THE LOWER 50S. HIGHLY AMPLIFIED MID/UPR FLOW ACROSS CONUS AT PRESENT CHARACTERIZED BY TX PANHANDLE TO ERN MT RIDGE BETWIXT SHARP/SLOWLY EXITING TROF ACROSS SERN CANADA INTO LOWER GREAT LAKES AND 140W CENTERED TROF. 925-8H RIDGE WELL UPSTREAM OVER MISSOURI RIVER VALLEY TO MAKE ONLY SLIGHT EWD PROGRESS TODAY. LOW LEVEL THERMAL TROUGHING WILL HOLD FOR ONE MORE DAY ON THURSDAY. AS UPPER LEVEL TROUGHING BEGINS TO DEPART THE OHIO VALLEY.
327 AM CDT WED AUG 26 2015 THE MAJORITY OF THE NEXT 24 HOURS WILL REMAIN FAIRLY QUIET WITH THE CONTINUED PRESENCE OF THE UPPER LEVEL RIDGE BUILDING ALONG THE FRONT RANGE. LOW PRESSURE ALONG THE FRONT RANGE WILL AIDE IN A TIGHTENED PRESSURE GRADIENT AND INCREASED WARM AIR ADVECTION ACROSS THE AREA. HIGH TEMPERATURES SHOULD BE SLIGHTLY WARMER THAN YESTERDAY WITH 80S TO MID 90S FOR FORECAST HIGHS. AS AN UPPER LEVEL DISTURBANCE ROUNDING THE TOP OF THE RIDGE APPROACHES THE CENTRAL PLAINS. WHILE THE NOSE OF THE LOW LEVEL JET REMAINS NORTH OF THE FORECAST AREA. AN UPPER LOW MOVES OVER AND BREAKS DOWN THE RIDGE ACROSS THE AREA ON THURSDAY.
354 AM CDT WED AUG 26 2015 EARLY MORNING SFC ANALYSIS SHOWS THE COLD FRONT NOW WELL SW OF THE FORECAST AREA WITH DEWPOINTS CURRENTLY RUNNING IN THE UPPER 50S ACROSS THE NERN ZONES. AND TEMPS RANGING FROM THE LOWER 60S NERN ZONES TO LOWER 70S SWRN ZONES. WATER VAPOR IMAGERY SHOWS THE AREA IN A DRY NRLY FLOW ALOFT BETWEEN TROFFING OVER THE ERN CONUS AND RIDGING OVER THE CNTL STATES. MAIN STORY NEXT COUPLE OF DAYS LOOKS TO BE HOW MUCH COOLER TEMPS WILL BE AS HIGHS WILL AGAIN STRUGGLE TO MAKE IT PAST 90 FOR MUCH OF THE AREA.