Aikyam-Lab/Synoptic-Bench huggingface dataset:
THOSE AREAS WILL SEE WARMER TEMPS. THE CUT OFF UPPER LOW PRESSURE 0VER SE TX TO SOUTHERN LA. /ISSUED 603 AM CDT SUN SEP 27 2015/ UPPER LOW TO THE NORTHEAST OF THE STATE WILL CONTINUE TO KEEP LOW CLOUDS OVER MUCH OF THE REGION FOR THE NEXT FEW HOURS. AS THE UPPER LOW MOVES MORE INTO THE MID MISSISSIPPI VALLEY. FOCUS WILL THEN SHIFT TO THE UPPER LOW MEANDERING SOUTH OF THE REGION.
MAIN FOCUS WILL BE ON THE HIGHER RAIN AND THUNDERSTORM CHANCES ON MONDAY FOR THE EASTERN HALF OF THE REGION. WATER VAPOR IMAGERY/RAP ANALYSIS SHOWS A MULTI-CENTERED CLOSED CUT-OFF LOW OVER THE TEXAS COAST AND NW GULF OF MEXICO. THE AFOREMENTIONED CLOSED LOW OVER THE GULF WILL CONSOLIDATE ITS ENERGY AND WOBBLE WESTWARD NEAR MATAGORDA BAY TO JUST INLAND.
THUS WILL LEAVE THE LOWER POPS IN NE ND/NW MN AS IS. SEVERAL SHORT WAVES MOVING EAST AROUND THE LOW THRU WRN INTO CENTRAL CANADA. ONE SHORT WAVE NOTICED IN WATER VAPOR MOVING INTO CENTRAL-NRN MANITOBA WITH TROUGH TRAILING SOUTHWEST INTO SOUTHERN SASKATCHEWAN. SOME PACIFIC MOISTURE FROM OFF THE CENTRAL CALIFORNIA COAST MOVING NORTHEAST AND MEETING UP WITH THE TROUGH THRU NW ND INTO FAR SE SASK/SW MANITOBA. ACTUAL COLD FRONT A BIT EAST OF MAIN SHORT WAVE AND THUS ALONG THE FRONT NO PRECIP OCCURING AND MOISTURE IS MOSTLY HIGH LEVEL CLOUD COVER. WHILE SE ND INTO WCNTRL MN WILL SEE TEMPS APPROACHING 80 OR INTO THE LOW 80S ONCE AGAIN. COOLER AIR SUN NIGHT INTO MONDAY AS HIGH PRESSURE SLIDES SOUTHEAST.
BEST SHRA POTENTIAL WITH COLD FRONT EXPECTED TO HOLD OFF UNTIL MONDAY NIGHT. OTHERWISE A LARGE AREA OF STRATUS WILL MOVE INTO SRN WI FROM THE SE TODAY AS SRN WI IS ON THE NW PERIPHERY OF A BROAD UPPER LOW AND ASSOCIATED MOISTURE.
AN UPPER LEVEL HIGH PRESSURE SYSTEM WILL CONTINUE TO DOMINATE THE WEATHER PATTERN OVER MUCH OF NEW MEXICO THIS WEEK WITH TEMPERATURES WELL ABOVE NORMAL.
TIDES RUNNING AROUND A FOOT ABOVE THE HIGH ASTRO TIDE COULD PRODUCE MINOR COASTAL FLOODING DURING THE TIMES OF HIGH TIDE. ST JOHNS RIVER LEVELS ARE EXPECTED TO BE CONTINUED ELEVATED FROM JACKSONVILLE SOUTHWARD ALONG THE ST JOHNS/CLAY/PUTNAM COUNTY BORDERS DUE TO THE HIGH ASTRO TIDE.
/ISSUED 433 AM CDT SUN SEP 27 2015/ AN UPPER TROUGH CONTINUES TO STRENGTHEN OVER THE SE TX COAST. RAIN CHANCES WILL CONTINUE TO INCREASE AND SPREAD ACROSS THE ENTIRE CWA AS THE UPPER LOW TRANSITIONS INTO AN OPEN TROUGH AND SLOWLY MOVES EAST ALONG THE GULF COAST.
706 AM EDT SUN SEP 27 2015 AVIATION SOUTHERLY WINDS AROUND A HIGH PRESSURE SYSTEM CENTERED OVER NEW ENGLAND WILL DRAW INCREASING AMOUNTS OF MOISTURE INTO MICHIGAN INTO MONDAY.
959 AM EDT SUN SEP 27 2015 HIGH PRESSURE WILL REMAIN ACROSS THE GULF OF MAINE OVERNIGHT INTO SUNDAY.
DID ADD JUST A DEGREE OR TWO TO HIGHS ACROSS THE EASTERN CWA WHERE GOOD WARMING IS ALREADY OCCURRING AHEAD OF THE COLD FRONT. A COLD FRONT WILL WORK ITS WAY ACROSS THE STATE SHIFTING WINDS TO THE NORTH AS IT DOES SO. A COOLER AIR MASS WORKS IN BEHIND THE FRONT FOR THE OVERNIGHT.
1134 AM EDT SUN SEP 27 2015 A LARGE HIGH PRESSURE SYSTEM, WILL MAINTAIN DRY WARM WEATHER, FOR THE REST OF THE WEEKEND.
IT DOES APPEAR A COLD FRONT WILL DROP SOUTH ACROSS THE REGION AROUND MIDWEEK. MODELS DISAGREE ON PRECIPITATION CHANCES LEADING UP TO THE PASSAGE OF THIS COLD FRONT.
A TAD COOLER TODAY AS UPPER RIDGE CONTINUES TO SLOWLY DRIFT EASTWARD IN RESPONSE TO UPPER TROUGH OFF THE COAST SLOWLY EDGING TOWARDS THE COAST.
Temperatures are generally running several degrees cooler this morning. The area remains under a ridge of high pressure.
TODAY THROUGH MONDAY NIGHT UPPER RIDGE WILL SHIFT EAST AS A DEEP/BROAD UPPER TROUGH ADVECTS EAST INTO THE NORTHERN CONUS. SFC COLD FRONT WILL ADVECT SE ACROSS THE FA TODAY. WITH MUCH COOLER CONDS NW 2/3 OF THE FA. AND EVEN COOLER CONDS FOR MONDAY AS MOIST EASTERLY UPSLOPE FLOW BECOMES ESTABLISHED OVER MOST OF THE FA. SFC COLD FRONT WILL SHIFT THROUGH THE REGION TODAY. THE CLOUD COVER COMBINED WITH WEAK CAA WILL SUPPORT COOLER CONDS NW 2/3 OF THE FA.
WATER VAPOR IMAGERY SHOWS A SHORT WAVE TROUGH MOVING INTO SW OREGON THIS MORNING. AS THE TROUGH EXITS THE AREA THIS AFTERNOON, EXPECT SUNNY SKY TO RETURN. AT THE COAST THE THERMAL TROUGH CONTINUES THIS MORNING BUT DOWNSLOPING OFFSHORE FLOW IS LIMITED TO MAINLY THE BROOKINGS AREA WITH THE SOUTHERN COAST RANGE NOT SHOWING THE WARM AND DRY CONDITIONS. THE THERMAL TROUGH IS EXPECTED TO WEAKEN THIS AFTERNOON BUT WITH HIGH PRESSURE BUILDING INTO THE COASTAL WATERS, THE PRESSURE GRADIENT WILL BE QUITE STRONG AND THE COOS BAY AREA COULD SEE NORTH WINDS IN THE 20-30 MPH RANGE.
Sunday through Monday night: Very dry air is in place with the passage of yesterday's cold front. This will result in slightly warmer temperatures and possibly some very thin cirrus developing across southern WA and into the southern Panhandle.
BASED ON WARMER LOW TEMPERATURES THIS MORNING AND EXPECTATIONS OF A FEW BREAKS IN THE STRATUS DECK EARLY THIS AFTERNOON.
849 AM EDT SUN SEP 27 2015 HIGH PRESSURE OVER THE GULF OF MAINE WILL DRIFT EAST TODAY THROUGH MONDAY.
746 AM EDT SUN SEP 27 2015 A WEAKENING UPPER LOW WILL TRACK SOUTH OF PENNSYLVANIA EARLY TODAY.
1203 PM EDT SUN SEP 27 2015 LOW PRESSURE MOVING OVER WEST VIRGINIA WILL PROVIDE CLOUDS AND CHANCES FOR SHOWERS INTO MONDAY. A WEAK UPPER LOW OVER THE LOWER OHIO VALLEY WILL MAINTAIN SOUTHEASTERLY LOW-LEVEL WIND THROUGHOUT THE REGION THROUGH TODAY. ESPECIALLY IN EASTERN OHIO AND THE RIDGES OF WEST VIRGINIA AND MARYLAND.
1017 AM EDT SUN SEP 27 2015 HIGH PRESSURE OVER NEW ENGLAND WILL PROVIDE ANOTHER DRY DAY TODAY WITH INCREASING CLOUD COVER.
TEMPERATURES WILL BE SLIGHTLY COOLER /BUT ABOVE NORMAL/ TODAY AFTER THE WEAK COLD FRONT MOVED THROUGH LAST NIGHT. ARE WITH REMNANTS OF LAST NIGHT/S COLD FRONT. NW WINDS LOOK TO CONTINUE THROUGH EVENING AS THE WAVY COLD FRONT REMAINS OVER NV- UT-SE ID AND HIGH PRESSURE BUILDS ACROSS WA-ID PANHANDLE-SRN CANADA THROUGH TONIGHT. ON MONDAY THE HIGH CENTER EXITS TO THE NRN PLAINS AND THE NV LOW LIFTS NORTH FOR WARMING TO AROUND 10 DEGREES ABOVE NORMAL MONDAY ALONG WITH LIGHT DIURNAL WINDS UP TO 10 MPH.
WEAK LEE TROUGHING WILL RESULT IN SOUTHERLY FLOW TODAY INTO MONDAY WITH WARMING 1000-850 THICKNESSES EACH DAY.
/ISSUED 331 AM CDT SUN SEP 27 2015/ (Today and Tonight) An upper low will meander over the middle Texas coast today and tonight, while an upper ridge over the southwestern states remains in place.
A WEAK COLD FRONT APPROACHES FROM OUR WEST. ALONG WITH AN UPPER LEVEL TROUGH TRAILING BEHIND IT. REACHING THE LOWER TO MID 70S.
603 AM CDT SUN SEP 27 2015 UPPER LOW TO THE NORTHEAST OF THE STATE WILL CONTINUE TO KEEP LOW CLOUDS OVER MUCH OF THE REGION FOR THE NEXT FEW HOURS. AS THE UPPER LOW MOVES MORE INTO THE MID MISSISSIPPI VALLEY. FOCUS WILL THEN SHIFT TO THE UPPER LOW MEANDERING SOUTH OF THE REGION.
COLD FRONT HAS CLEARED THE AREA AND ISOLATED SHOWERS/TSTMS HAVE MOVED OUT OF THE AREA INTO NORTHEAST MONTANA. FORCING IS PRETTY WEAK AND LOOKS LIKE ANY PRECIPITATION WILL BE LIGHT WITH MAYBE A TENTH OF AN INCH OVER FAR SOUTHEAST MONTANA AS THE HIGH END.
AND MONDAY HIGH PRESSURE WAS CENTERED OVER THE NORTHEAST UNITED STATES. A COLD FRONT EXTENDED FROM NW ONTARIO SWWD THROUGH MANITOBA AND THE DAKOTAS. BUT A COLD FRONT SHOULD BRING A CHANCE OF SHOWERS TO NORTH CENTRAL WI LATE. HAVE INCREASED POPS ON MONDAY AS THE COLD FRONT MOVES THROUGH THE REGION. HIGH TEMPS SHOULD RANGE FROM THE UPPER 60S NW TO THE LOWER TO MIDDLE 70S FARTHER SE.
1055 AM CDT SUN SEP 27 2015 REGIONAL 88DS SHOW A LARGE AREA OF LIGHT RAIN WITH EMBEDDED THUNDERSTORMS CIRCLING AN AREA OF LOW PRESSURE OVER THE WRN GULF ATTM. GIVEN MOISTURE-LADEN AIRMASS NOTED IN KLCH 12Z SOUNDING AND EXPECTED MEANDERING OF THIS LOW PER LATEST SHORT-RANGE RUNS. THIS ALL ASSOCIATED WITH AN UPPER LOW OVER SOUTH TEXAS. AS WELL AS SURFACE TROFFING OVER THE WESTERN GULF WHERE RADAR IS DEPICTING A LARGE AREA OF SHOWERS AND THUNDERSTORMS. RAIN CHANCES THEN TAPER OFF SIGNIFICANTLY BY MID-WEEK AS CUT-OFF LOW OPENS AND PHASES WITH NEXT EASTWARD ADVANCING TROF WITH AREA ONCE AGAIN COMING UNDER A DRY NORTH MID AND UPPER LEVEL FLOW BETWEEN A DEEPENING EAST CONUS TROF AND AMPLIFYING WEST CONUS RIDGE.
/ISSUED 346 AM CDT SUN SEP 27 2015/ AN UPPER RIDGE FROM THE SOUTHWESTERN STATES AND FOUR CORNERS REGION EXTENDING NORTHEAST ACROSS THE CENTRAL ROCKIES INTO THE NORTHERN PLAINS STATES WILL BUILD SLOWLY EAST TODAY THROUGH THE MIDDLE OF THE WEEK.
A COLD FRONT AND WEAK LOW PRESSURE IS APPROACHING THE NORTHERN PLAINS. AND THE BOUNDARY LAYER IS FORECAST TO BE 1-2C WARMER TODAY. SHOULD BE ABLE TO REACH THE LOWER 80S IN MANY LOCATIONS THIS AFTERNOON. SHOULD SEE THE COLD FRONT SAG OUT OF THE AREA MONDAY EVENING TAKING THE PRECIPITATION WITH IT. COOLER AIR SAGS SOUTH AND EAST OVER THE AREA AND WILL LINGER THROUGH THE REMAINDER OF THE WEEK.
WATER VAPOR IMAGERY AND RAP ANALYSIS INDICATES UPPER LEVEL TROUGH ACROSS TX AND A DOWNSTREAM RIDGE OVER THE NW BAHAMAS. DAYTONA BEACH SUNGLOW PIER 808 PM PORT CANAVERAL, TRIDENT PIER 750 PM SEBASTIAN INLET BRIDGE 803 PM FORT PIERCE INLET SOUTH JETTY 820 PM.
1234 PM EDT SUN SEP 27 2015 HIGH PRESSURE OVER NEW ENGLAND WILL SLIDE EAST INTO THE WESTERN ATLANTIC.
1258 PM EDT SUN SEP 27 2015 HIGH PRESSURE WILL REMAIN ACROSS THE GULF THROUGH MONDAY.
THE UPPER LEVEL RIDGE WILL REMAIN OVER THE AREA THRU TONIGHT.
INCREASING THREAT OF RIP CURRENTS EAST COAST BEACHES THROUGH AN AREA OF LOW PRESSURE OVER THE YUCATAN PENINSULA IS FORECAST BY THE NHC TO MOVE NORTHWARD THROUGH THE EASTERN GULF OF MEXICO THROUGH EARLY THIS WEEK. AS HIGH PRESSURE OVER THE WESTERN ATLANTIC WATERS WEAKENS.
1033 AM MDT SUN SEP 27 2015 TILTED RIDGE AXIS EXISTS OVER THE FOUR CORNERS TONIGHT AND EXTENDS OVER NE COLORADO.
INITIATED BY LOWER OFFSHORE SURFACE PRESSURE/DEVELOPING UPPER LOW CENTERED OVER EASTERN TEXAS WILL ROTATE BANDS OF CONVECTION ONSHORE FROM THE EAST THROUGH TOMORROW. GULF TROUGHING. /ISSUED / A MID/UPPER LEVEL LOW IS NOW IN PLACE ALONG THE TEXAS COAST. WILL CONTINUE TO CARRY LOWER RAIN CHANCES (AND THE WARMER TEMPERATURES) NORTHWEST AREAS AND HIGHER RAIN CHANCES (AND THE COOLER TEMPERATURES) SOUTHEAST AREAS.
AS A COLD FRONT AND SOME ISOLATED CONVECTION MOVES ACROSS THE NORTH. IT WILL BE VERY WARM IN THE SOUTH AND COOLER NW BEHIND THE FRONT. SEVERAL SHORT WAVES MOVING EAST AROUND THE LOW THRU WRN INTO CENTRAL CANADA. ONE SHORT WAVE NOTICED IN WATER VAPOR MOVING INTO CENTRAL-NRN MANITOBA WITH TROUGH TRAILING SOUTHWEST INTO SOUTHERN SASKATCHEWAN. SOME PACIFIC MOISTURE FROM OFF THE CENTRAL CALIFORNIA COAST MOVING NORTHEAST AND MEETING UP WITH THE TROUGH THRU NW ND INTO FAR SE SASK/SW MANITOBA. ACTUAL COLD FRONT A BIT EAST OF MAIN SHORT WAVE AND THUS ALONG THE FRONT NO PRECIP OCCURRING AND MOISTURE IS MOSTLY HIGH LEVEL CLOUD COVER. WHILE SE ND INTO WCNTRL MN WILL SEE TEMPS APPROACHING 80 OR INTO THE LOW 80S ONCE AGAIN. COOLER AIR SUN NIGHT INTO MONDAY AS HIGH PRESSURE SLIDES SOUTHEAST.
1043 AM CDT SUN SEP 27 2015 WATER VAPOR IMAGERY THIS MORNING SHOWS A BROAD CLOSED OFF UPPER LEVEL LOW CENTERED NORTH OF CRP THIS MORNING. A WEAK AREA OF LOW PRESSURE HAS FORMED AT THE SURFACE ABOUT 100-150 MILES SE OF GALVESTON. CLOUD COVER WILL KEEP MAX TEMPS IN THE LOW 80S/UPPER 70S ALONG THE COAST. INITIATED BY LOWER OFFSHORE SURFACE PRESSURE/DEVELOPING UPPER LOW CENTERED OVER EASTERN TEXAS WILL ROTATE BANDS OF CONVECTION ONSHORE FROM THE EAST THROUGH TOMORROW. GULF TROUGHING. /ISSUED / A MID/UPPER LEVEL LOW IS NOW IN PLACE ALONG THE TEXAS COAST. WILL CONTINUE TO CARRY LOWER RAIN CHANCES (AND THE WARMER TEMPERATURES) NORTHWEST AREAS AND HIGHER RAIN CHANCES (AND THE COOLER TEMPERATURES) SOUTHEAST AREAS.
/ISSUED 350 AM CDT SUN SEP 27 2015/ WEAKLY CYCLONIC NORTHEAST FLOW IS IN THE PROCESS OF FLATTENING THIS MORNING AS THE FINAL VESTIGES OF YESTERDAY/S SHEARED TROUGH EXIT TO OUR SOUTH.
Weak troughing will extend northeast from it into our region.
1152 AM CDT SUN SEP 27 2015 Cloud cover over the Mississippi and Ohio Valleys is associated with a remnant upper low that is gradually dissipating across those areas. Therefore nudged temperatures up a bit over the western CWA where highs should reach the lower 80s similar to yesterday.
750 AM EDT SUN SEP 27 2015 HIGH PRESSURE OVER NEW ENGLAND WILL SLIDE EAST INTO THE WESTERN ATLANTIC.
HIGH PRESSURE AND DRY SOUTHWEST FLOW ALOFT WILL PREVAIL THIS WEEK. AND 2-3 MBS ONSHORE TO THE LOWER DESERTS. THIS OPENS THE DOOR TO CUT-OFF LOW DEVELOPMENT. CONFIDENCE DECREASES AS THE CUT-OFF LOWS INCREASINGLY CLOUD THE PICTURE. THE ECMWF ENSEMBLE MEAN FORECAST SUGGEST HIGH PRESSURE WILL PREVAIL AT THIS LATITUDE AND POSITION ON THE CONTINENT.
WITH MUCH COOLER READINGS AND RAIN PUSHING IN BEHIND BOUNDARY. AND HAVE KEPT WARMER READINGS IN THE SOUTHERN PORTIONS OF THE CWA.
624 AM CDT SUN SEP 27 2015 Cloud cover over the Mississippi and Ohio Valleys is associated with a remnant upper low that is gradually dissipating across those areas. Therefore nudged temperatures up a bit over the western CWA where highs should reach the lower 80s similar to yesterday.
IN THE LOWER TROPOSPHERE. COASTAL FLOODING -- THE HIGHER HIGH TIDE IS OCCURRING NOW OR HAS JUST OCCURRED IN MOST KEYS ISLAND COMMUNITIES.
847 AM EDT SUN SEP 27 2015 A WEAKENING UPPER LOW WILL TRACK SOUTH OF PENNSYLVANIA EARLY TODAY.
942 AM EDT SUN SEP 27 2015 HIGH PRESSURE OVER NEW ENGLAND WILL SLIDE EAST INTO THE WESTERN ATLANTIC.
A COLD FRONT WILL WORK ITS WAY ACROSS THE STATE SHIFTING WINDS TO THE NORTH AS IT DOES SO. A COOLER AIR MASS WORKS IN BEHIND THE FRONT FOR THE OVERNIGHT.
731 AM EDT SUN SEP 27 2015 HIGH PRESSURE OVER NEW ENGLAND WILL PROVIDE ANOTHER DRY DAY TODAY WITH INCREASING CLOUD COVER.
A WEAK COLD FRONT APPROACHES FROM OUR WEST. ALONG WITH AN UPPER LEVEL TROUGH TRAILING BEHIND IT. WITH HIGH PRESSURE IN CONTROL, PLENTIFUL SUNSHINE EXPECTED TODAY TO CLOSE OUT THE WEEKEND. MILDER THERMAL PROFILES TODAY (850 MB TEMPS AROUND +10 TO +12C) SUPPORT HIGHS IN THE LOW TO MID 70S.
WHAT IS LEFT OF THE UPPER LOW THAT MOVED INTO MIDDLE TENNESSEE YESTERDAY AFTERNOON HAS MOVED NORTH INTO SOUTHERN KENTUCKY LEAVING BEHIND SOME LOW CLOUDS. HIGH CLOUDS STREAMING NORTH FROM THE LOWER MS VALLEY ALSO COVER THE REGION. THE REMNANTS OF THE UPPER LOW WILL TRACK INTO THE OHIO VALLEY WHILE ANOTHER UPPER LOW CONSOLIDATES OVER EAST TEXAS. A FEW LIGHT SHOWERS ARE POSSIBLE ACROSS THE NORTH THIS MORNING ASSOCIATED WITH THAT DEPARTING UPPER LOW. SHOULD SEE SOME BREAKS OF SUN WHICH WILL HELP TEMPS CLIMB INTO THE LOWER 80S.
LIGHT WINDS AND DRY AIR HAS ALLOWED TEMPERATURES TO COOL NEAR FREEZING.
SURFACE OBSERVATIONS SHOW FREEZING TEMPERATURES ACROSS MUCH OF THE HILL COUNTRY TO ALONG THE ESCARPMENT WITH THE COLDEST READINGS IN LOW LYING AREAS. OFF THE ESCARPMENT SOME AREAS WERE APPROACHING FREEZING AND MAY HAVE TO ISSUE A SHORT FUSE ADVISORY FOR THOSE AREAS. COMPACT UPPER LEVEL TROUGH CURRENTLY OFF THE NORTHERN CALIFORNIA COAST WILL MOVE EAST ACROSS THE GREAT BASIN TODAY AND THE PLAINS STATES ON TUESDAY AS AN UPPER LEVEL LOW MOVES INTO THE PACIFIC NORTHWEST.
/ISSUED 222 AM EST MON NOV 23 2015/ A COLD FRONT WILL USHER IN BREEZY TO WINDY NORTH TO NORTHEAST WINDS OVER SOUTH FLORIDA TODAY WHICH IN TURN WILL BRING IN DRIER AIR TO THE AREA FROM THE NORTH. HIGH PRESSURE BUILDS INTO THE EASTERN UNITED STATES FROM THE CENTRAL UNITED STATES.
326 AM MST MON NOV 23 2015 A FLAT RIDGE WILL MOVE ACROSS THE FORECAST AREA TODAY WITH DRY CONDITIONS AND NEAR SEASONABLE TEMPERATURES WITH WEAK VALLEY INVERSIONS CONTINUING. A VERY WEAK WAVE WILL MOVE ACROSS THE AREA TONIGHT WITH SOME INCREASED HIGH CLOUDINESS WITH SLIGHTLY WARMER OVERNIGHT LOW TEMPERATURES THAN PREVIOUS DAYS. A CLOSED LOW OFF THE PACIFIC NORTHWEST COAST WILL MOVE ONSHORE NEAR NORTHERN CALIFORNIA BY LATE TUESDAY. ESPECIALLY OVER THE HIGHER TERRAIN BY TUESDAY AFTERNOON WITH INCREASING HIGH CLOUDINESS AHEAD OF THIS SYSTEM.
331 AM PST MON NOV 23 2015 TEMPERATURES WILL CONTINUE TO BE ABOVE NORMAL TODAY AS HIGH PRESSURE OVER THE REGIONS WEAKENS.
1055 AM EST MON NOV 23 2015 HIGH PRESSURE BUILDS OVER THE LOCAL AREA TODAY. RIDGING ENE INTO THE NC PIEDMONT. TEMPERATURES ARE RISING THROUGH THE UPPER 30S TO THE LOWER 40S. UPR LVL TROUGH SWINGS THROUGH THE ERN GREAT LAKES TO OFF THE NE CONUS CST. LO TEMPS FM THE M20S ACRS MUCH OF THE INTERIOR WITH 30S RIGHT AT THE CST (MAY EVEN SEE THE 1ST FREEZING TEMPERATURES OF THE SEASON AT THE IMMEDIATE COAST FOR PLACES LIKE ORF). LIGHT WINDS AND TURNING A LITTLE WARMER TUE WITH HI TEMPS 50-55F.
Morning lows will brush around freezing in southeast Alabama and the western Florida Panhandle, dipping into the mid-upper 30s across the remainder of the forecast area. A freeze warning is in effect until 7 AM CT/8 AM ET for our northwestern zones that will dip into the low 30s this morning. Taking the light northerly winds into account, the wind chill will be in the upper 20s in southeast Alabama and the western Panhandle, and in the low 30s across the rest of the area, so make sure you grab your coat before you head out the door! Skies will be clear today, but with the cold air advection, we'll struggle to warm to the upper 50s to low 60s.
EXPECT TEMPS TO FALL ANOTHER 2-3 DEGREES AS WE HEAD TOWARDS SUNRISE, BRINGING MORNING LOWS DOWN TO THE LOWER 20'S.
Low level southerly flow and warmer temperatures are in store across West Central Texas the next 24 hours. Highs today will be in the lower to mid 60s and lows tonight will be in the 40s.
Benign weather will continue today as a weak ridge of high pressure lies over the Northern Rockies. A few clouds will round the top of the ridge and drift overhead from around Lost Trail Pass northward. Continued subsidence with the ridge may cause a few valley inversions to persist, particularly in the Missoula Valley. Big changes will be underway by late tonight as deep and cold upper level low dives southward along the Pacific NW coastline and pushes an initial band of precipitation towards our area.
/CAN BORDER USHERING THE NEXT COLD AIR MASS INTO THE LOWER 48 TUES NIGHT. GFS20/NAM12 ARE IN DECENT AGREEMENT THE LEADING EDGE OF THE COLD FRONT REACHING THE NRN CWA SOMETIME EARLY WED MORNING.
BRIEF FREEZING CONDITIONS PSBL MAINLY OVER PORTIONS OF THE NERN CWA EARLY THIS MORNING (11-13Z. ) CONCUR WITH DETERMINISTIC OUTPUT THAT A PROGRESSIVE UPPER PATTERN IS EXPECTED DURING THE PERIOD WITH THE TROUGH OVER THE SERN CONUS MOVING EAST WHILE ANOTHER SYSTEM ENTERS THE WEST COAST. AN UPPER JET STREAK (NAM/GFS DETERMINISTIC) IS EXPECTED TO CONTRIBUTE TO THE DEVELOPMENT OF A COASTAL TROUGH TUESDAY. PWAT VALUES NEAR NORMAL COMBINED WITH THE COASTAL TROUGH MIGHT RESULT IN PATCHY LIGHT RAIN/ISOLD SHOWERS TUESDAY AFTN. MODIFICATION OF THE AIRMASS WILL RESULT IN WARMER CONDITIONS TUESDAY.
DRY WEATHER AND WARMER THAN NORMAL DAYTIME TEMPERATURES WILL CONTINUE ACROSS NORTHERN ARIZONA THROUGH TUESDAY.
HIPRES GRADUALLY RETREATS ON THU AND FRI AS AN ELONGATED AND POS TILTED LONG WV TROF MVES EWRD FROM THE CNTL PLAINS.
WINDS VEER TO THE NORTHEAST TONIGHT AND THIS WILL LEAD TO MILDER TEMPS IN THE 40S/50S ALONG THE COAST/ST JOHNS RIVER BASIN WHILE HIGH PRESSURE TO THE NORTH OF THE REGION WILL STILL KEEP CLEAR SKIES AND ANOTHER COOL NIGHT ON TAP INLAND WITH LIGHTER WINDS AND MIN TEMPS IN THE 30S AND AREAS OF FROST ARE EXPECTED AND FROST ADVISORIES HAVE ALREADY BEEN POSTED.
627 AM EST MON NOV 23 2015 A WEAK LOW PRESSURE SYSTEM WILL MOVE SOUTHEAST ACROSS THE GREAT LAKES TODAY AND TONIGHT. HIGH PRESSURE OVER THE OHIO VALLEY WILL MOVE SLOWLY EAST OVER THE NEXT FEW DAYS.
THE STRONG LOW PRESSURE SYSTEM ASSOCIATED WITH YESTERDAY'S WINDY CONDITIONS WAS CENTERED OVER THE BORDER OF MANITOBA/ONTARIO/MINNESOTA. A WEAK HIGH PRESSURE AXIS EXTENDED FROM SOUTHERN ALBERTA SOUTHEASTWARD INTO EASTERN MONTANA AND THE WESTERN DAKOTAS. WITH BROAD LOW PRESSURE DEVELOPING IN THE LEE OF THE ROCKIES. TODAY THE STRONG LOW PRESSURE SYSTEM IS FORECAST TO MOVE EAST TOWARDS THE GREAT LAKES AND HUDSON BAY. WARMER AIR IN SOUTHWESTERN NORTH DAKOTA WITH HIGHS IN THE LOWER 40S. WITH COOLER AIR TO THE NORTHEAST WITH HIGHS IN THE MID TO UPPER 30S. TONIGHT THE BROAD UPPER LEVEL RIDGE MIGRATES EASTWARD AND THE FLOW OVER THE ROCKIES BECOMES SOUTHWESTERLY ALOFT.
Southerly winds will increase Tuesday, as lee cyclogenesis takes place across the High Plains, with sustained speeds between 15 and 20 MPH, and a few gusts approaching 30 MPH.
Similar conditions expected again on Tuesday, perhaps a degree or two warmer.
835 AM MST MON NOV 23 2015 DRY AND WARM WEATHER WILL CONTINUE THROUGH TUESDAY WITH AFTERNOON TEMPERATURES WARMING TO NEAR 80 DEGREES ACROSS THE LOWER DESERTS.
LOW PRESSURE OVER BRITISH COLUMBIA THIS MORNING WILL STRENGTHEN AND MOVE SOUTH DOWN THE WEST COAST THROUGH TUESDAY.
HIGH PRESSURE WILL BE SHIFTING TO THE EAST BUT SUNNY SKIES ARE ANTICIPATED THROUGH THE DAY. /ISSUED 335 AM CST MON NOV 23 2015/ MAIN CONCERNS IN THIS FORECAST CYCLE ARE THIS MORNING FREEZING TEMPERATURES.
1019 AM EST MON NOV 23 2015 HIGH PRESSURE WILL GRADUALLY BUILD OVER THE REGION THROUGH MID WEEK BEFORE MOVING OFFSHORE LATE IN THE WEEK.
HIGH PRESSURE WILL KEEP CONDITIONS DRY AND GRADUALLY WARMER THROUGH MID WEEK.
UPPER RIDGE/MILD TEMPERATURES ALOFT WILL DOMINATE CONDITIONS UNTIL LATE IN THE SHORT TERM.
A COLD FRONT WILL BRING RAIN THIS AFTERNOON AND EVENING. AN UPPER TROUGH WILL MOVE OVER THE REGION TONIGHT AND TUESDAY. THE SNOW LEVEL WILL DROP TO AROUND 500 FEET AND SNOW SHOWERS WILL BE POSSIBLE IN THE LOWLANDS TUESDAY.
BDL HIGH PRESSURE WILL CONTINUE FOR MUCH OF THE EXTENDED. HIGH PRESSURE WILL HANG TOUGH THROUGH THE LATE WEEK.
/ISSUED 335 AM CST MON NOV 23 2015/ MAIN CONCERNS IN THIS FORECAST CYCLE ARE THIS MORNING FREEZING TEMPERATURES.
1020 AM EST MON NOV 23 2015 HIGH PRESSURE WILL REMAIN IN CONTROL OFFERING DRY WEATHER THROUGH THANKSGIVING DAY.
Zonal mid level flow will bring warmer conditions over the next several days. Downsloping, southwesterly winds on Tuesday will bring even warmer conditions with most locations making it into the 70's.
12Z TAFS HIGH PRESSURE AND DRY AIR SETTLED OVER THE AREA EXPECTED TO KEEP VFR CONDITIONS RUNNING THROUGH THE PERIOD. BY MID WEEK UPPER RIDGE BUILDS THIS WAY SO LOOK FOR WARMER TEMPS EACH DAY AS WE GO INTO THANKSGIVING AS UPPER FLOW BECOMES MORE SOUTHWESTERLY WITH DEEP UPPER TROUGH OVER SOUTHWESTERN U.
LGT/VARIABLE WIND EARLY THIS MORNING BECOMING GENERALLY LGT EAST OVERNIGHT EXCEPT FOR NORTHEAST FLOW DEVELOPING DRG THE 06-12Z TUESDAY PERIOD NEAR THE SOUTHERN COAST IN RESPONSE TO A COASTAL TROUGH. BRIEF FREEZING CONDITIONS PSBL MAINLY OVER PORTIONS OF THE NERN CWA EARLY THIS MORNING (11-13Z. ) CONCUR WITH DETERMINISTIC OUTPUT THAT A PROGRESSIVE UPPER PATTERN IS EXPECTED DURING THE PERIOD WITH THE TROUGH OVER THE SERN CONUS MOVING EAST WHILE ANOTHER SYSTEM ENTERS THE WEST COAST. AN UPPER JET STREAK (NAM/GFS DETERMINISTIC) IS EXPECTED TO CONTRIBUTE TO THE DEVELOPMENT OF A COASTAL TROUGH TUESDAY. PWAT VALUES NEAR NORMAL COMBINED WITH THE COASTAL TROUGH MIGHT RESULT IN PATCHY LIGHT RAIN/ISOLD SHOWERS TUESDAY AFTN. MODIFICATION OF THE AIRMASS WILL RESULT IN WARMER CONDITIONS TUESDAY.
SHORT WAVE RIDGING OVERHEAD WILL COME AND GO BY TUESDAY MORNING.
BROAD UPPER LEVEL RIDGING GRADUALLY SHIFTS EAST ACROSS THE NORTHERN ROCKIES AND MONTANA TODAY AND TONIGHT FOR DRY CONDITIONS ACROSS THE FORECAST AREA THROUGH MOST OF TONIGHT.
646 AM EST MON NOV 23 2015 HIGH PRESSURE CENTERED OVER THE OHIO VALLEY WILL BE FORCED SOUTH AS A WEAK TROUGH MOVES ACROSS THE CENTRAL AND EASTERN LAKES THIS EVENING.
AND 3 AM CST SURFACE OBSERVATIONS INDICATE THAT TEMPERATURES HAVE ALREADY FALLEN BELOW FREEZING OVER INTERIOR PORTIONS OF SOUTHEAST MS AND SOUTHWEST AL. TEMPERATURES WERE WARMER NEAR THE COAST AS EXPECTED WHERE WIND SPEEDS HAVE REMAINED ELEVATED OVERNIGHT. THERE IS STILL TIME FOR TEMPERATURES TO FALL TO THE FREEZING MARK OVER SOUTHERN PORTIONS OF THE FREEZE WARNING AREA EARLY THIS MORNING. THE RIDGE OF HIGH PRESSURE SHOULD SLOWLY ADVANCE EASTWARD ACROSS THE TENNESSEE VALLEY AND THE SOUTHEASTERN STATES TONIGHT. SURFACE RIDGING AND A CONTINUED DRY AIRMASS WILL PROMOTE ANOTHER NIGHT OF COLD TEMPERATURES.
AFTERNOON TEMPERATURES EACH DAY WILL WARM TO NEAR 80 DEGREES ACROSS THE LOWER DESERTS.
548 AM EST MON NOV 23 2015 THE AVIATION SECTION HAS BEEN UPDATED BELOW HIGH PRESSURE WILL KEEP CONDITIONS DRY AND GRADUALLY WARMER THROUGH MID WEEK.
High pressure with sunny skies will dominate today.