Aikyam-Lab/Synoptic-Bench huggingface dataset:
315 PM PDT SUN APR 3 2016 UPDATED MARINE SECTION CUMULUS CLOUDS ARE GATHERING ALONG AND NEAR THE CASCADES, SISKIYOUS, AND MARBLE MOUNTAINS THIS AFTERNOON UNDER THE DIFFLUENT FLOW ALOFT AHEAD OF AN APPROACHING UPPER LEVEL TROUGH OF LOW PRESSURE APPROACHING THE COAST. THE COLD FRONT THAT HAS BEEN EXPECTED TO MOVE ONSHORE IS ALSO ON TRACK TO ARRIVE THIS AFTERNOON THROUGH THIS EVENING AT THE COAST, PUSHING EAST-NORTHEASTWARD OVERNIGHT AND DOES LOOK HEALTHY ON SATELLITE IMAGERY. A DUSTING TO A COUPLE OF INCHES OF NEW SNOW IS EXPECTED ON THE HIGHER PEAKS. IT WILL BE BREEZY TO WINDY ACROSS THE HIGHER MOUNTAINS MONDAY MORNING, WITH SOME GUSTY WINDS REACHING THE VALLEYS MONDAY AFTERNOON. A WEAKER SECONDARY LOW PRESSURE IMPULSE WILL BRING SOME LIGHT SHOWERS MONDAY AFTERNOON TO PORTIONS OF THE WEST SIDE- MAINLY THE UMPQUA BASIN.
A WEAK COLD FRONT WILL SAG INTO NORTHERN AR. UPPER LEVEL NW FLOW WAS TRANSITIONING TO RIDGING. HIGHS TODAY WL TOP OUT IN THE LOWER AND MID 70S AT MOST LOCATIONS. COOLER AIR BEHIND THE FNT WL BE FELT MAINLY ACRS THE NERN PART OF THE STATE MON NGT.
241 PM CDT SUN APR 3 2016 Breezy southwesterly winds and relative humidity values in the lower 20 percent range will continue extreme fire weather conditions for the remainder of the afternoon for much of the area. A cooler day is expected on Monday as an upper trough dives into the Ohio Valley, ushering in cooler and drier air upon northeasterly surface winds.
VFR CONDITIONS THROUGH THE NEXT 24 HOURS AS HIGH PRESSURE SLOWLY MOVES EWD ACROSS THE NW GULF. HIGH TEMPERATURES TODAY WILL BE IN THE LOW TO MID 80S UNDER MOSTLY SUNNY SKIES. LIGHT SOUTHEASTERLY FLOW TONIGHT WILL KEEP OVERNIGHT TEMPERATURES A FEW DEGREES WARMER. MONDAY WILL BE WARMER WITH HIGH TEMPERATURES IN THE MID TO UPPER 80S. EXCEPT THE LOWER 80S NEAR THE COAST.
ATTENTION THEN TURNS TO THE CURRENT COLD FRONT AND ITS EVENTUAL ADVANCE SOUTHWESTWARD TONIGHT. THEN RETREATING/ADVANCING EASTWARD AS A WARM FRONT ON MONDAY. MID-AFTERNOON TODAY THE COLD FRONT EXTENDED FROM THE LOW NEAR MINNEAPOLIS. LOOKING AT OVERNIGHT LOWS IN THE LOWER 20S FROM THE TURTLE MOUNTAINS TO THE JAMES VALLEY. WITH LOWS IN THE LOWER 30S FAR SOUTHWEST. THEN DURING THE MORNING HOURS ON MONDAY THE UPPER LEVEL RIDGE ADVANCES EAST. AND THE FRONTAL BOUNDARY ADVANCES BACK EASTWARD AS A WARM FRONT.
1246 PM CDT SUN APR 3 2016 FOR 18Z TAFS /ISSUED 1002 AM CDT SUN APR 3 2016/ BASED ON LATEST SURFACE ANALYSIS HIGH PRESSURE WAS CENTERED OVER CENTRAL TENNESSEE WITH THE WEAK COLD FRONT THAT MOVED THROUGH OVERNIGHT NOW SOUTH OF BIRMINGHAM.
1125 AM MDT SUN APR 3 2016 HIGH PRESSURE OVER THE GREAT BASIN WILL KEEP WARM AND MOSTLY DRY CONDITIONS IN PLACE THROUGH MONDAY. THE EXCEPTION TO THE DRY WILL BE A FEW HIGH BASED CONVECTIVELY DRIVEN SHOWERS THAT DEVELOP OVER THE HIGHER TERRAIN OF NORTHEAST UTAH THIS AFTERNOON AND EARLY EVENING. ACTIVITY PICKS UP JUST A NOTCH ON MONDAY AS WE SEE THE RIDGE AXIS MOVE EAST WITH SOUTHWEST FLOW DEVELOPING. BUT ALSO BRINGS IN A LITTLE WARMER AIR ALOFT.
215 PM EDT SUN APR 3 2016 LOW PRESSURE/COLD FRONT MONDAY.
250 PM EDT SUN APR 3 2016 A STRONG COLD FRONT HAS BROUGHT SNOW AND HIGH WINDS TO THE REGION OVERNIGHT.
250 PM EDT SUN APR 3 2016 HIGH PRESSURE WILL BUILD INTO THE REGION THROUGH TONIGHT. A COLD FRONT WITH LIMITED MOISTURE WILL MOVE THROUGH MONDAY NIGHT.
344 PM CDT SUN APR 3 2016 A TROUGH OVER THE NORTHERN PLAINS WILL CONTINUE TO MOVE SOUTHEAST WHICH WILL BRING A WIND SHIFT TO THE REGION THIS EVENING. RIDGE SET UP OVER THE WESTERN CONUS WHICH WILL SLIDE EAST FOR THE FIRST PART OF THE WEEK. AS MENTIONED IN THE PREVIOUS DISCUSSION THE WESTERN CONUS RIDGE WILL WEAKEN AS IT MOVES EAST WITH A TROUGH RIGHT ON ITS TAIL.
SOUTHWESTERLY WINDS SHOULD PERSIST AT THE TERMINALS UNTIL THIS EVENING WHEN A COLD FRONT WILL DROP ACROSS THE AREA AND SHIFT WINDS OUT OF THE NORTH. WITH DRY NORTHWEST FLOW AND STEEP MID-LEVEL HEIGHT RISES DUE TO RIDGING BUILDING IN.
A WEAK COLD FRONT WILL MOVE ACROSS THE REGION THIS EVENING. RAIN CHANCES INCREASE TONIGHT AND EARLY MONDAY MORNING PRIMARILY NORTH OF MENDOCINO COUNTY AS A WEAK COLD FRONT MOVES ACROSS THE AREA. A WEAK COLD FRONT WILL MOVE ACROSS THE REGION THIS EVENING. RAIN CHANCES INCREASE TONIGHT AND EARLY MONDAY MORNING PRIMARILY NORTH OF MENDOCINO COUNTY AS A WEAK COLD FRONT MOVES ACROSS THE AREA.
924 PM PDT Mon May 11 2015 Cooler and more unsettled conditions expected this week across the interior of NorCal as several weather systems affect the region. As the trough deepens later tonight some more showers could pop up including an isolated thunderstorm. The trough will help to keep breezy conditions going through the delta and into the Northern San Joaquin overnight. The low will begin to lift northward on Tuesday afternoon to lower shower and thunderstorm chances over the north.
THE PRE-FRONTAL TROUGH WAS WEAKENING AND HAD MOVED THROUGH THE FORECAST AREA. THE TRAILING COLD FRONT WAS MOVING OUT OF EAST CENTRAL ARKANSAS AND INTO NORTHWEST MISSISSIPPI AS OF 04Z. EVEN WITH A WEAKENING PRE-FRONTAL TROUGH AXIS MOVING INTO NW AL. MID/HIGH CLOUD COVER MAY CONTINUE TO GRADUALLY INCREASE FROM THE SW HEADING INTO THE EVENING PERIOD AS A COLD FRONT APPROACHES FROM THE W AND CONVECTION WEAKENS ALONG THE PRE-FRONTAL TROUGH AXIS.
WEAK HIGH PRESSURE TO REMAIN OVER THE WATERS TONIGHT.
AS WELL AS OVER OFFSHORE GULF OF MEXICO WATERS NORTH OF THE LOWER KEYS. TEMPERATURES ARE IN THE LOWER 80S. A WEAK TROUGH OF LOW PRESSURE NEAR ANDROS ISLAND WILL APPROACH THE FLORIDA KEYS OVERNIGHT. RAIN CHANCES FOR THE FLORIDA KEYS TONIGHT WILL BE KEPT ABOVE ALL NUMERICAL MODEL OUTPUT STATISTICS DUE TO THE ANTICIPATED APPROACH OF THE AFOREMENTIONED WEAK TROUGH OF LOW PRESSURE.
1210 AM EDT TUE MAY 12 2015 AVIATION A COLD FRONT WILL COME THROUGH THE AREA TONIGHT ENDING OVER A WEEKS WORTH OF UNSEASONABLY WARM TEMPERATURES. THERE WILL BE SHOWERS AND A FEW THUNDERSTORMS AHEAD OF THE COLD FRONT THIS EVENING.
907 PM EDT MON MAY 11 2015 LOW PRESSURE WAS OVER THE GREAT LAKES WITH A COLD FRONT TRAILING INTO EASTERN TEXAS.
934 PM EDT MON MAY 11 2015 COLD FRONT CROSSES EARLY TUESDAY. HIGH PRESSURE BRINGS NEAR NORMAL TEMPERATURES FOR MID WEEK.
1001 PM EDT MON MAY 11 2015 SHOWERS AND A FEW THUNDERSTORMS WILL ACCOMPANY A COLD FRONTAL PASSAGE TONIGHT. MORE SHOWERS ARE EXPECTED TO MOVE ACROSS THE AREA OVERNIGHT WITH THE APPROACH AND PASSAGE OF A COLD FRONT. WITH A STRONG MID- LEVEL JET PASSING AHEAD OF THE AXIS OF THE 850MB TROF. EXPECTING GUSTS TO TOP OUT NEAR 30KTS IN THE HIGHER ELEVATIONS OF PA/MD/WV.
828 PM EDT MON MAY 11 2015 SUMMERTIME WARMTH AND HUMIDITY WILL COME TO AN END LATE TONIGHT AND TUESDAY AS A VIGOROUS UPPER TROF AND ASSOCIATED COLD FRONT CROSSES THE REGION. COOLER.
ANOTHER ROUND WILL MOVE IN WITH THE APPROACHING COLD FRONT.
THE COLD FRONT IS SLOWLY MOVING THROUGH THE STATE. AND BRINGING A WIND SHIFT TO THE NW AND A COOLER AND DRIER AIRMASS. TEMPS WERE IN THE LOWER 60S TO UPPER 50S BEHIND THE FRONT.
THE 01Z SURFACE ANALYSIS INDICATED THAT THE PRE-FRONTAL TROUGH WAS EXTENDING SOUTHWEST TO NORTHEAST BETWEEN MSL AND HSV. THE TRAILING COLD FRONT IS EXPECTED TO MOVE SOUTHEAST THROUGH THE FORECAST AREA BY 12Z TUESDAY. WILL KEEP IN THE SLIGHT CHANCE POP TO ACCOUNT FOR ANY POSSIBLE DEVELOPMENT ALONG THE WEAKENING COLD FRONT. EVEN WITH A WEAKENING PRE-FRONTAL TROUGH AXIS MOVING INTO NW AL. MID/HIGH CLOUD COVER MAY CONTINUE TO GRADUALLY INCREASE FROM THE SW HEADING INTO THE EVENING PERIOD AS A COLD FRONT APPROACHES FROM THE W AND CONVECTION WEAKENS ALONG THE PRE-FRONTAL TROUGH AXIS.
806 PM EDT MON MAY 11 2015 SUMMERTIME WARMTH AND HUMIDITY WILL COME TO AN END LATE TONIGHT AND TUESDAY AS A VIGOROUS UPPER TROF AND ASSOCIATED COLD FRONT CROSSES THE REGION. COOLER.
A LOW PRESSURE SYSTEM OFF THE SOUTHWEST OREGON COAST WILL MOVE INLAND OVERNIGHT AND THEN EAST ACROSS THE BORDER OF OREGON AND CALIFORNIA ON TUESDAY.
THE FRONT WAS HIGHLIGHTED BY A WIND SHIFT AND A DROP IN SURFACE DEWPOINT TEMPERATURES INTO THE LOWER 60S. THE PRE-FRONTAL TROUGH.
631 PM CDT MON MAY 11 2015 EXPECT WORSENING CONDITIONS OVER THE NEXT 24 HOURS AS MOIST GULF AIR LIFTS OVER A COLD FRONT AND PRODUCES WIDESPREAD SHOWERS AND THUNDERSTORMS ACROSS SOUTH TEXAS.
1013 PM EDT MON MAY 11 2015 STRONG COLD FRONT WILL MOVE ACROSS THE AREA TONIGHT KICKING OFF THUNDERSTORMS. THIS WILL BE FOLLOWED BY A SECONDARY COLD FRONT TOMORROW. USHERING IN MUCH COOLER CONDITIONS. THESE (THUNDER)SHOWERS WILL LINGER UNTIL A COLD FRONT PUSHES THROUGH LATER THIS EVENING. THERE REMAINS A SLIGHT CHANCE OF A FEW ADDITIONAL SHOWERS DEVELOPING BEHIND THE FRONT EARLY TUESDAY MORNING NEARER TO THE EASTERN END OF LAKE ERIE AS LOW PRESSURE TRACKS JUST TO THE NORTH. MUCH COOLER AND DRIER CONDITIONS ON TAP FOR NEXT FEW DAYS. DEW POINTS BEHIND THE FRONT IN THE LOWER 40S TO UPPER 30S. TUESDAY MORNING WILL START OUT DRY BUT COULD SEE SOME SHOWERS IN THE EAST AS SECONDARY COLD FRONT SWINGS ACROSS EASTERN LAKE ERIE TOMORROW AFTERNOON.
/ISSUED 631 PM CDT MON MAY 11 2015/ EXPECT WORSENING CONDITIONS OVER THE NEXT 24 HOURS AS MOIST GULF AIR LIFTS OVER A COLD FRONT AND PRODUCES WIDESPREAD SHOWERS AND THUNDERSTORMS ACROSS SOUTH TEXAS.
1109 PM EDT MON MAY 11 2015 LOW PRESSURE WAS OVER THE GREAT LAKES WITH A COLD FRONT TRAILING INTO EASTERN TEXAS.
THERE IS ALSO A LARGE HIGH PRESSURE RIDGE THAT PUSHES IN TO THE AREA DIRECTLY BEHIND THIS FRONT WHICH HELPS TO PUSH THE FRONT SOUTH OF OUR AREA BY 18Z WED. WILL NEED TO MONITOR FOR POSSIBLE FIRE DANGER STATEMENT AS RH VALUES CRASH INTO THE LOWER TO MID 20S BY WED AFTERNOON. THEREAFTER RETURN FLOW OFF THE GULF WILL BE IN FULL SWING AS UPPER RIDGE AXIS SLIDES SLIGHTLY EAST BY WEEKS END TO ENHANCE OUR RAIN CHANCES. BIGGEST CHALLENGES WITH THIS FORECAST PERIOD WILL BE TIMING OF COLD FRONT AND COVERAGE OF PRECIPITATION ASSOCIATED WITH FRONT. AS COLD FRONT APPROACHES SRN GA DAYTIME HEATING SHOULD GENERATE SCT CONVECTION WHICH COULD IMPACT KMCN AND KCSG BY 15-17Z AND CONTINUING THROUGH MID-LATE AFTN.
AS A COLD FRONT MOVES THROUGH THE REGION TONIGHT. COOLER AND DRIER CONDITIONS WILL MOVE INTO THE OHIO VALLEY THROUGH THE MIDDLE OF THE WEEK. LOWS WILL RANGE FROM THE LOWER 50S IN W CNTRL OH AND THE WHITEWATER VALLEY TO THE LOWER 60S IN THE LOWER SCIOTO VALLEY. AND THE COOLER TEMPS ALOFT COMING INTO THE NORTHERN CWA.
EAST COAST SEA BREEZE PROPAGATED INLAND FAIRLY STEADILY THIS AFTERNOON WITH RIDGE AXIS CENTERED SOMEWHERE AROUND CAPE CANAVERAL TO TAMPA. WINDS WILL HAVE MORE OF A SOUTHERLY COMPONENT FAR NORTH OVERNIGHT/EARLY TUE DUE TO POSITION OF RIDGE.
1001 PM EDT MON MAY 11 2015 A STATIONARY FRONT WILL LIFT NORTH AHEAD OF LOW PRESSURE APPROACHING FROM THE WEST EARLY TUESDAY. LOW PRESSURE CROSSING SOUTHERN QUEBEC ON TUESDAY WILL DRIVE A COLD FRONT THROUGH THE REGION TUESDAY AFTERNOON AND EVENING.
AN UPPER LEVEL RIDGE WILL MOVE ACROSS THE CENTRAL ROCKIES TONIGHT. SOUTHWEST FLOW WILL PREVAIL BEHIND THE RIDGE AS AN UPPER LEVEL TROUGH MOVES ALONG THE WEST COAST. EXPECT MOST LOCATIONS TO REMAIN ABOVE FREEZING.
1001 PM EDT MON MAY 11 2015 A WEAK UPPER RIDGE WILL CROSS THE REGION OVERNIGHT FOLLOWED BY A COLD FRONT THAT WILL CROSS THE AREA TUESDAY BRINGING A CHANCE OF SHOWERS AND THUNDERSTORMS. DRY WEATHER RETURNS THROUGH THE MIDDLE OF THE WEEK UNDER HIGH PRESSURE. CONVECTIVE DEBRIS CLOUDS LIKELY WILL LINGER INTO THE OVERNIGHT HOURS BUT THEN THERE SHOULD BE AT LEAST A BRIEF PERIOD OF CLEARING BEFORE HIGHER CLOUDS MOVE IN FROM THE WEST ASSOCIATED WITH AN APPROACHING COLD FRONT. MAX TEMPERATURES ON TUESDAY WILL LIKELY BE AS WARM OR WARMER THAN TODAY WITH HIGHS EXPECTED IN THE LOWER 90S AIDED BY SOME COMPRESSIONAL HEATING AHEAD OF THE FRONT. COOLER AND DRIER AIR WILL BUILD INTO THE REGION TUESDAY NIGHT AS HIGH PRESSURE BUILDS IN FROM THE EAST.
901 PM EDT MON MAY 11 2015 LOW PRESSURE EAST OF THE DELMARVA WILL CONTINUE TO MOVE AWAY FROM THE AREA. A COLD FRONT ACROSS ILLINOIS WILL MOVE THROUGH THE MID ATLANTIC TUESDAY. HIGH PRESSURE WILL BE IN CONTROL FOR THE SECOND HALF OF THE WEEK BRINGING SEASONABLE TEMPERATURES AND DRY WEATHER.
COLD FRONT STILL WEST OF THE MISSISSIPPI RIVER AS OF 01Z WITH A DECAYING CLUSTER OF STORMS ENTERING SOUTHWEST ALABAMA. EXPECT THE NEXT SEVERAL HOURS TO BE FAIRLY QUIET/DRY AHEAD OF THE WEAK S/W ENERGY AND COLD FRONT. COLD FRONT/WIND SHIFT IS EXPECTED TO MOVE ACROSS NW GA BTWN 06-09Z THROUGH THE ATL METRO AREA BY 12Z AND LIKELY GET CAUGHT UP ACROSS SRN GA BY MIDDAY TUESDAY. BIGGEST CHALLENGES WITH THIS FORECAST PERIOD WILL BE TIMING OF COLD FRONT AND COVERAGE OF PRECIPITATION ASSOCIATED WITH FRONT. AS COLD FRONT APPROACHES SRN GA DAYTIME HEATING SHOULD GENERATE SCT CONVECTION WHICH COULD IMPACT KMCN AND KCSG BY 15-17Z AND CONTINUING THROUGH MID-LATE AFTN.
SOME DEW POINTS IN THE LOW TO MID 60S. MOVING INTO YOUR TUESDAY HIGH PRESSURE WILL BUILD ACROSS THE OHIO VALLEY. THIS WILL USHER IN COOLER AND CLOSER TO NORMAL TEMPS FOR YOU TUESDAY WITH HIGHS GENERALLY IN THE LOW TO MID 70S. THIS HIGH WILL ALSO USHER IN DRYER AIR WITH CLEARING SKIES FROM WEST TO EAST THROUGH THE DAY ON TUESDAY. TUESDAY NIGHT WILL BE COOLER WITH CLEAR SKIES AND LOWS GENERALLY IN THE UPPER 40 TO NEAR 50.
648 PM CDT MON MAY 11 2015 DOUBLE BARREL LOW PRESSURE CENTER THAT HAS CAUSED ALL THE WEEKENDS WEATHER WAS LOCATED ACROSS CENTRAL MN AND NORTHERN WI THIS AFTERNOON. AN OCCLUDED SURFACE FRONT STRETCHED FROM THE LOW CENTER IN WI SSW INTO CENTRAL WI. MOISTURE ASSOCIATED WITH THE WRAP AROUND OF THE LOW WILL KEEP THE AREA CLOUD COVERED TONIGHT. HIGH PRESSURE RIDGE WILL BE OVER THE AREA WITH CLEAR SKIES AND LIGHT WINDS PROVIDING IDEAL RADIATIONAL COOLING CONDITIONS.
WHERE WARMER DEWPOINTS LINGER THE LONGEST DURING THE OVERNIGHT. IN NORTHEAST MISSISSIPPI IN THE LOW 80S. NORTHWEST WIND WILL USHER IN A DRIER COOLER AIRMASS. OVERNIGHT LOWS MAY COOL TO AS LOW AS THE LOW 50S IN NORTHEAST ARKANSAS.
A COLD FRONT DELINEATED BY A THIN LINE OF SHOWERS EXTENDED FROM JUST WEST OF CHICAGO TO JUST EAST OF BLOOMINGTON AND TAYLORVILLE. OTHERWISE DRY CONDITIONS EXPECTED TONIGHT INTO TUE ACROSS CENTRAL AND SOUTHEAST IL ALONG WITH BREEZY AND COOLER CONDITIONS. LOW CLOUDS WERE DECREASING BEHIND THE COLD FRONT WEST OF I-55 AT MID AFTERNOON AND EXPECT THESE CLOUDS TO CONTINUE TO DECREASE OVER EASTERN IL LATE THIS AFTERNOON AND EARLY EVENING.
753 PM EDT MON MAY 11 2015 AVIATION A COLD FRONT WILL COME THROUGH THE AREA TONIGHT ENDING OVER A WEEKS WORTH OF UNSEASONABLY WARM TEMPERATURES. THERE WILL BE SHOWERS AND A FEW THUNDERSTORMS AHEAD OF THE COLD FRONT THIS EVENING.
947 PM EDT MON MAY 11 2015 THE HEAVIEST OF THE SHOWERS IS NOW EAST OF THE AREA AS THE DRY SLOT STARTS WORKING INTO LOWER MI BEHIND THE SFC COLD FRONT. WINDS WILL REMAIN ELEVATED THROUGH THE OVERNIGHT OUT OF THE WEST/SOUTHWEST BEHIND THE COLD FRONT. THE COLD FRONT WILL PASS OVER THE TERMINAL WITHIN THE NEXT HOUR OR SO LEADING TO ELEVATED WINDS OUT OF THE W/SW THROUGH THE OVERNIGHT. GIVEN A LITTLE SUNSHINE EAST OF BAX TO ADG TEMPS IN THE MID 70S TO LOWER 80S AND DEW POINTS IN THE LOWER 60S. COLD FRONTAL PASSAGE EXPECT BETWEEN 00Z AND 03Z. IN THE WAKE OF THE COLD FRONT.
627 PM CDT Mon May 11 2015 /00Z TAFS/ Atmosphere will continue to saturate with lift over the cold front. With cooler air near the surface, isentropic upglide will also be a player tonight and tomorrow for continued shower and thunderstorm activity, especially for locations south of our Interstate 20 corridor.
959 PM EDT MON MAY 11 2015 A WEAK UPPER RIDGE WILL CROSS THE REGION OVERNIGHT FOLLOWED BY A COLD FRONT THAT WILL CROSS THE AREA TUESDAY BRINGING A CHANCE OF SHOWERS AND THUNDERSTORMS. DRY WEATHER RETURNS THROUGH THE MIDDLE OF THE WEEK UNDER HIGH PRESSURE. CONVECTIVE DEBRIS CLOUDS LIKELY WILL LINGER INTO THE OVERNIGHT HOURS BUT THEN THERE SHOULD BE AT LEAST A BRIEF PERIOD OF CLEARING BEFORE HIGHER CLOUDS MOVE IN FROM THE WEST ASSOCIATED WITH AN APPROACHING COLD FRONT. MAX TEMPERATURES ON TUESDAY WILL LIKELY BE AS WARM OR WARMER THAN TODAY WITH HIGHS EXPECTED IN THE LOWER 90S AIDED BY SOME COMPRESSIONAL HEATING AHEAD OF THE FRONT. COOLER AND DRIER AIR WILL BUILD INTO THE REGION TUESDAY NIGHT AS HIGH PRESSURE BUILDS IN FROM THE EAST.
MESSY 00Z SURFACE ANALYSIS SHOWS A COLD FRONT DRAPED ALONG THE NORTHERN FRINGES OF THE REGION /ROUGHLY ALONG A CALDWELL TO GRAPELAND LINE/.
1006 PM EDT MON MAY 11 2015 SUMMERTIME WARMTH AND HUMIDITY WILL COME TO AN END LATE TONIGHT AND TUESDAY AS A VIGOROUS UPPER TROF AND ASSOCIATED COLD FRONT CROSSES THE REGION. COOLER.
GUSTY WEST WINDS IN THE MOUNTAINS AND DESERTS LATE TUESDAY AND COOLER AS A WEAK TROUGH MOVES THROUGH THE REGION.
SHRTWV TROUGH MAY HAVE ENOUGH ENERGY TO PRODUCE SPOTTY SHOWERS DURING THE DAY BUT LEFT MENTION OUT OF TAFS SINCE STABILITY WILL BE LACKING FOR THUNDER. /ISSUED 341 PM CDT MON MAY 11 2015/ LAST NIGHT/S COLD FRONT IS STALLING OUT ACROSS SW AND SOUTH TEXAS THIS AFTERNOON.
/ISSUED 341 PM CDT MON MAY 11 2015/ LAST NIGHT/S COLD FRONT IS STALLING OUT ACROSS SW AND SOUTH TEXAS THIS AFTERNOON.
A DRY SLOT WILL MOVE INTO THE AREA OVERNIGHT AS THE UPPER LOW MOVES SLOWLY SOUTHEAST FROM JUST OFF THE SOUTHWEST COAST OF OREGON TO JUST INLAND ALONG THE OREGON/CALIFORNIA BORDER. AS THE LOW MOVES INTO SOUTHCENTRAL OREGON TOMORROW.
1022 PM CDT MON MAY 11 2015 UPPER LOW OVER NORTHERN MINNESOTA WITH RIDGING INTO THE NORTHEAST CONUS. CLOSED LOW OVER PACIFIC NORTHWEST WITH RIDGING THROUGH THE ROCKIES. COOL HIGH PRESSURE BUILDING INTO WESTERN NEBRASKA TONIGHT WITH CLEAR SKIES AND LIGHT WINDS TEMPERATURES WILL DROP ESPECIALLY OVER SHERIDAN AND WESTERN CHERRY COUNTIES WITH THE SNOW COVER. SOUTHERLY WINDS ON THE BACKSIDE OF THE HIGH AND TEMPERATURES MUCH WARMER AS RIDGE BUILDS EAST.
624 PM CDT MON MAY 11 2015 A COLD FRONT DELINEATED BY A THIN LINE OF SHOWERS EXTENDED FROM JUST WEST OF CHICAGO TO JUST EAST OF BLOOMINGTON AND TAYLORVILLE. OTHERWISE DRY CONDITIONS EXPECTED TONIGHT INTO TUE ACROSS CENTRAL AND SOUTHEAST IL ALONG WITH BREEZY AND COOLER CONDITIONS. LOW CLOUDS WERE DECREASING BEHIND THE COLD FRONT WEST OF I-55 AT MID AFTERNOON AND EXPECT THESE CLOUDS TO CONTINUE TO DECREASE OVER EASTERN IL LATE THIS AFTERNOON AND EARLY EVENING.
542 PM MDT MON MAY 11 2015 SHORT WAVE RIDGE OF HIGH PRESSURE IS CURRENTLY SHIFTING EASTWARD ACROSS THE WESTERN SLOPE. HIGH TEMPS TODAY WILL BE SEVERAL DEGREES COOLER THAN USUAL THOUGH OVERNIGHT LOWS WILL BE NEAR NORMAL.
1247 AM EDT TUE MAY 12 2015 SHOWERS AND A FEW THUNDERSTORMS WILL ACCOMPANY A COLD FRONTAL PASSAGE TONIGHT. CONDITIONS CONTINUE TO STABILIZE ACROSS THE FORECAST AREA WITH NO SEVERE WEATHER THREAT ASSOCIATED WITH THE PASSAGE OF A COLD FRONT OVERNIGHT. SURFACE OBSERVATIONS SHOW THE COLD FRONT STILL WELL WEST OF THE CWA. WITH A STRONG MID- LEVEL JET PASSING AHEAD OF THE AXIS OF THE 850MB TROF. EXPECTING GUSTS TO TOP OUT NEAR 30KTS IN THE HIGHER ELEVATIONS OF PA/MD/WV.
A LOW PRESSURE SYSTEM OVER MINNESOTA CONTINUES TO PUSH STRATUS TOWARD THE FORECAST AREA THIS AFTERNOON. AS THE HIGH MOVES IN. ALL OF THIS SHOULD ALLOW FOR TEMPERATURES TO DROP INTO THE LOWER TO MID 30S ACROSS THE AREA. A LARGE AREA OF LOW PRESSURE WILL DROP SOUTH ACROSS THE WESTERN STATES OVER THE MIDDLE OF THE WEEK.
619 PM CDT MON MAY 11 2015 A LOW PRESSURE SYSTEM OVER MINNESOTA CONTINUES TO PUSH STRATUS TOWARD THE FORECAST AREA THIS AFTERNOON. AS THE HIGH MOVES IN. ALL OF THIS SHOULD ALLOW FOR TEMPERATURES TO DROP INTO THE LOWER TO MID 30S ACROSS THE AREA. A LARGE AREA OF LOW PRESSURE WILL DROP SOUTH ACROSS THE WESTERN STATES OVER THE MIDDLE OF THE WEEK.
1137 PM CDT Mon May 11 2015 Breezy west to northwest winds are advecting a cool and dry air mass into the region today, in the wake of a cold front that passed through the region early this morning. Winds will start to decrease this evening as high pressure, currently centered over the High Plains, moves into the area overnight. Another sunny and pleasant day is then expected for Tuesday, as the area of high pressure only very slowly moves east into the Ohio Valley.
THE COLD FRONT WILL NOT COMPLETELY MOVE THROUGH THE REGION TONIGHT AND WITH THE PREVIOUSLY MENTIONED S/WV MOVING TOWARDS THE REGION.
602 PM CDT MON MAY 11 2015 UPPER LOW OVER NORTHERN MINNESOTA WITH RIDGING INTO THE NORTHEAST CONUS. CLOSED LOW OVER PACIFIC NORTHWEST WITH RIDGING THROUGH THE ROCKIES. COOL HIGH PRESSURE BUILDING INTO WESTERN NEBRASKA TONIGHT WITH CLEAR SKIES AND LIGHT WINDS TEMPERATURES WILL DROP ESPECIALLY OVER SHERIDAN AND WESTERN CHERRY COUNTIES WITH THE SNOW COVER. SOUTHERLY WINDS ON THE BACKSIDE OF THE HIGH AND TEMPERATURES MUCH WARMER AS RIDGE BUILDS EAST.
610 PM MDT MON MAY 11 2015 MAINLY CLEAR ACROSS THE CWA OVERNIGHT AS AN UPPER RIDGE SHIFTS EAST ACROSS THE REGION. WARMER TEMPS TO MAKE A RETURN ON TUESDAY AS RETURN FLOW SETS UP AND 700MB TEMPS WARM TO AROUND 7C ON SWLY UPPER FLOW IN THE WAKE OF THE UPPER RIDGE AXIS. A TROUGH WILL BE IN PLACE ACROSS THE WESTERN CONUS WHICH WILL LEAD TO THE CHANCES FOR PRECIPITATION EACH DAY BUT CONFIDENCE IS LOW AS TO WHERE DYNAMIC FEATURES WILL BE LOCATED.
1109 PM CDT MON MAY 11 2015 UPPER LOW OVER NORTHERN MINNESOTA WITH RIDGING INTO THE NORTHEAST CONUS. CLOSED LOW OVER PACIFIC NORTHWEST WITH RIDGING THROUGH THE ROCKIES. COOL HIGH PRESSURE BUILDING INTO WESTERN NEBRASKA TONIGHT WITH CLEAR SKIES AND LIGHT WINDS TEMPERATURES WILL DROP ESPECIALLY OVER SHERIDAN AND WESTERN CHERRY COUNTIES WITH THE SNOW COVER. SOUTHERLY WINDS ON THE BACKSIDE OF THE HIGH AND TEMPERATURES MUCH WARMER AS RIDGE BUILDS EAST.
832 PM EDT MON MAY 11 2015 SHOWERS AND THUNDERSTORMS WILL ACCOMPANY A COLD FRONTAL PASSAGE THIS EVENING. SHOWERS AND THUNDERSTORMS ALONG A PRE FRONTAL TROUGH ARE EXPECTED TO CONTINUE INTO THE EVENING. SHOWERS AND MAYBE A FEW THUNDERSTORMS SHOULD CONTINUE TO ADVANCE ACROSS THE REMAINDER OF THE AREA OVERNIGHT AS THE COLD FRONT CROSSES. WITH A STRONG MID- LEVEL JET PASSING AHEAD OF THE AXIS OF THE 850MB TROF. EXPECTING GUSTS TO TOP OUT NEAR 30KTS IN THE HIGHER ELEVATIONS OF PA/MD/WV.
THOUGH WITH HIGH PRESSURE AND SATURATED GROUNDS IT CERTAINLY SEEMS LIKE SOME PATCHY FOG WILL BE PRESENT.
1211 AM EDT TUE MAY 12 2015 SHOWERS AND THUNDERSTORMS ARE LIKELY EARLY THIS MORNING AS A COLD FRONT MOVES THROUGH.
1122 PM CDT MON MAY 11 2015 UPPER LOW OVER NORTHERN MINNESOTA WITH RIDGING INTO THE NORTHEAST CONUS. CLOSED LOW OVER PACIFIC NORTHWEST WITH RIDGING THROUGH THE ROCKIES. COOL HIGH PRESSURE BUILDING INTO WESTERN NEBRASKA TONIGHT WITH CLEAR SKIES AND LIGHT WINDS TEMPERATURES WILL DROP ESPECIALLY OVER SHERIDAN AND WESTERN CHERRY COUNTIES WITH THE SNOW COVER. SOUTHERLY WINDS ON THE BACKSIDE OF THE HIGH AND TEMPERATURES MUCH WARMER AS RIDGE BUILDS EAST.
726 PM EDT MON MAY 11 2015 STRONG COLD FRONT WILL MOVE ACROSS THE AREA TONIGHT KICKING OFF THUNDERSTORMS. THIS WILL BE FOLLOWED BY A SECONDARY COLD FRONT TOMORROW. USHERING IN MUCH COOLER CONDITIONS. LOCATED JUST AHEAD OF THE COLD FRONT. THE COLD FRONT WILL CLEAR THE TOLEDO AREA BY 8PM. MUCH COOLER AND DRIER CONDITIONS ON TAP FOR NEXT FEW DAYS. DEW POINTS BEHIND THE FRONT IN THE LOWER 40S TO UPPER 30S. TUESDAY MORNING WILL START OUT DRY BUT COULD SEE SOME SHOWERS IN THE EAST AS SECONDARY COLD FRONT SWINGS ACROSS EASTERN LAKE ERIE TOMORROW AFTERNOON.
ACTUAL COLD FRONT REMAINS TO OUR WEST IN EASTERN ARKANSAS. COLD FRONT MOVES ALONG INTERSTATE 65 AROUND 06Z THEN OFF THE PLATEAU BY 09Z.
749 PM EDT MON MAY 11 2015 COLD FRONT CROSSES EARLY TUESDAY. HIGH PRESSURE BRINGS NEAR NORMAL TEMPERATURES FOR MID WEEK.
1210 AM EDT TUE MAY 12 2015 SUMMERTIME WARMTH AND HUMIDITY WILL COME TO AN END LATE TONIGHT AND TUESDAY AS A VIGOROUS UPPER TROF AND ASSOCIATED COLD FRONT CROSSES THE REGION. COOLER.
A COLD FRONT IS EXPECTED TO MOVE THROUGH THE AREA THIS AFTERNOON. HIGH PRESSURE WILL BUILD IN FOR THE MIDDLE PARTS OF THE WEEK. BUT CATEGORICAL POPS ALL AREAS AT SOME POINT TODAY STILL LOOK GOOD AS COLD FRONT PUSHES INTO THE AREA. MODELS INDICATE COLD FRONT. WIND FIELDS CONTINUE TO LOOK FAVORABLE FOR A SEVERE WIND THREAT WITH GOOD ALIGNMENT OF THE LOW AND MID LEVEL JETS. GIVEN EXPECTED LOCATION OF COLD FRONT AND BEST LIFT. DEPENDING ON HOW MUCH PRECIPITATION DEVELOPS AHEAD OF COLD FRONT. MODELS SUGGEST COLD FRONT WILL BE EXITING THE EASTERN ZONES BY EARLY THIS EVENING.