Aikyam-Lab/Synoptic-Bench huggingface dataset:
UPPER LOW OVER THE SE U. OPTIMISTIC THIS LAYER SHOULD THIN OUT OVER C AND SC LA THIS EVENING AS THE UPPER LOW BEGINS TO LIFT NE.
523 AM MST SUN OCT 4 2015 A STRONG AND COLD LOW PRESSURE SYSTEM FROM WESTERN CANADA WILL DEVELOP OVER WESTERN STATES TODAY AND MONDAY.
1034 AM EDT SUN OCT 4 2015 A LARGE AREA OF HIGH PRESSURE ANCHORED OVER EASTERN CANADA WILL CONTINUE TO PROVIDE SEASONABLE TEMPERATURES AND A DRY WEATHER TO THE NORTH COUNTRY.
1011 AM MDT SUN OCT 4 2015 ELONGATED AREA OF LOW PRESSURE ALOFT FROM SOUTH CENTRAL CANADA INTO CALIFORNIA. THE NORTHERN PART OF THAT TROUGH. MODELS DO PRODUCE SOME WEAK ASCENT THROUGH THE DAY OVER THE FORECAST AREA AS THE NORTHERN TROUGH MOVES ACROSS. EARLY THIS MORNING THE UPPER LOW CONTINUE TO SLOWLY MOVE ACROSS NORTHERN MONTANA. MODELS CONTINUE HAVE THE NORTHERLY STREAM TROUGH MOVE ACROSS NORTHERN MONTANA. WITH THE RIDGING.
TEMPS SHOULD BE COOLER THAN RECENT DAYS WITH PLENTY OF CLOUDS AND SOME SHOWERS AROUND. TEMPS SHOULD WARM ABOVE NORMAL INTO THE LOW/MID 60S WITH FAVORABLE WEST WINDS. HIGH PRESSURE BUILDS IN AND TEMPS SHOULD FALL INTO THE MID 30S NORTH AND AROUND 40 SOUTH.
Our region will have cooler weather today, lighter winds, with showers and thunderstorms limited to areas south of Highway 50.
727 AM EDT SUN OCT 4 2015 A LARGE AREA OF HIGH PRESSURE ANCHORED OVER EASTERN CANADA WILL CONTINUE TO PROVIDE SEASONABLE TEMPERATURES AND A DRY WEATHER TO THE NORTH COUNTRY.
A CLOSED LOW CENTERED OVER CENTRAL CALIFORNIA IS EXPECTED TO DRIVE THE WEATHER ACROSS THE REGION INTO THE EARLY PART OF THE WEEK AHEAD. MODELS INDICATED THE LOW WILL CONTINUE TO TRACK TOWARD SOUTHERN CALIFORNIA DURING THE DAY. MOISTURE BEGINS TO INCREASE TONIGHT AS THE LOW SETTLES OVER LOS ANGELES. MONDAY LOOKS MORE ACTIVE AS THE LOW BEGINS TO SWING EASTWARD MOVING TO A POINT JUST WEST OF LAS VEGAS LATE IN THE DAY. TEMPERATURES AT THIS STAGE OF THE STORM TOO WARM FOR SNOWFALL EXCEPT OVER THE HIGHEST PEAKS. TEMPERATURES RISE A FEW DEGREES TODAY AS WARMER AIR ADVECTS INTO THE AREA. EXPECT HIGHS TO BE SIGNIFICANTLY COOLER MONDAY AS CLOUDS AND SHOWERS INCREASE ACROSS THE AREA. DEEP SOUTHERLY FLOW WILL CONTINUE OVER THE REGION AHEAD OF THE LOW PUSHING SLOWLY EAST ACROSS THE SOUTHERN GREAT BASIN.
OTHERWISE EXPECT SHOWERS TO SLOWLY SHIFT NORTH THROUGH THE AFTERNOON AS SHORT- WAVE RIDGING BUILDS OVER THE CWA. AND THIS SHOULD HELP KICK OFF A WARMING TREND WITH THE UPPER RIDGE PROMOTING MORE IN THE WAY OF SUNSHINE. PRECIP CHANCES MAY INCREASE LATE MON NIGHT INTO TUE AHEAD OF A CLOSED UPPER LOW OVER THE FOUR CORNERS. THE NORTHERN STREAM IS EXPECTED TO REMAIN NORTH OF THE FORECAST AREA WHILE A CUT OFF UPPER LEVEL LOW MEANDERS EAST ACROSS NEW MEXICO INTO TEXAS BY LATE WEEK.
A LOW PRESSURE SYSTEM WILL PERSIST OVER THE SOUTHEASTERN UNITED STATES THIS AFTERNOON THROUGH MONDAY.
DESPITE WARMER 925 HPA TEMPERATURES TODAY. WILL CAP MONDAY HIGHS IN THE LOW TO MID 60S.
925 AM MDT SUN OCT 4 2015 NORTHEAST COLORADO REMAINS SHROUDED IN LOW CLOUDS AGAIN THIS MORNING WHILE AIRMASS EVEN SLIGHTLY COOLER THAN YESTERDAY. A WEAK SSWLY FLOW ALOFT WILL CONTINUE OVER COLORADO WITH WEAK MID LEVEL SUBSIDENCE TODAY ASSOCIATED WITH A SHORT WAVE RIDGE. IT SHOULD BE A LITTLE LESS WITH A WEAK RIDGE OVERHEAD. AHEAD OF THE NEXT TROUGH DIGGING SOUTHWARD THROUGH CALIFORNIA. MONDAY WILL LIKELY START OFF WITH SOME LOW CLOUDS AND PATCHY FOG ON THE PLAINS WITH MOIST SOUTHEAST FLOW AND A WEAK DENVER CYCLONE. RIDGING AND WARMING WILL TEND TO SUPPRESS CONVECTION.
1135 AM EDT SUN OCT 4 2015 HIGH PRESSURE OVER EASTERN CANADA WILL SLOWLY BUILD SOUTHWEST ACROSS THE AREA TODAY. HIGH PRESSURE FROM WESTERN CANADA AND THE NORTHERN PLAINS WILL THEN BUILD OVER THE GREAT LAKES FOR MID WEEK.
606 AM CDT SUN OCT 4 2015 THE 07Z MSL ANALYSIS SHOWED A TROUGH FROM A LOW IN NORTHEAST MONTANA THROUGH EASTERN WYOMING INTO CENTRAL COLORADO.
SURFACE RIDGING CONTINUES AT THE SURFACE WITH COOLEST TEMPERATURES ALONG THE RED RIVER VALLEY AND WARMEST TEMPERATURES ACROSS THE SOUTHWEST. BUT THE HIGH CLOUDS WILL INCREASE IN DENSITY. AS THE UPPER RIDGE AXIS GRADUALLY MOVES TO OUR EAST. THE DEEPENING UPPER LOW ON THE WEST COAST.
MID MORNING UPDATE TO ADJUST SKY GRIDS TO ALLOW FOR A BIT MORE SUNSHINE OUTSIDE OF THE RIDGES. MORNING SOUNDING SHOWS AN INVERSION UP TO 850MB BUT WITH MORE SUNSHINE MAY BE ABLE TO MIX LOWER BOUNDARY LAYER TO WARMER TEMPS THAN FORECAST THIS AFTERNOON. STILL A LINGERING SHOWER OR DRIZZLE OVER THE RIDGES. THE EXCEPTION WILL BE OVER THE RIDGES.
UPPER LEVEL LOWS ARE CENTERED OVER THE CENTRAL CALIFORNIA COAST AND THE GEORGIA/ALABAMA/FLORIDA BORDER REGION WITH AN UPPER LEVEL RIDGE OVER THE NORTHWESTERN GULF ACROSS EASTERN TEXAS. THE LOWS MOVE TO SOUTHERN CALIFORNIA AND OFF THE SOUTH CAROLINA COAST. THE RIDGE AND A DRIER AIRMASS INHIBITS RAIN ALONG WITH LITTLE CHANGE IN TEMPERATURES.
TODAY THROUGH MONDAY NIGHT CURRENT SURFACE ANALYSIS SHOWS LOW PRESSURE OVER FAR EASTERN MT. WITH WEAKENING COLD FRONT STRETCHING SOUTHWARD INTO NORTHEAST WY. UPPER LEVEL ANALYSIS SHOWS TROF OVER THE WESTERN CONUS. WITH ONE AREA OF LOW PRESSURE DIGGING SOUTHWARD ACROSS CA. SOME 50S IN THE HIGHER BLACK HILLS.
640 AM CDT SUN OCT 4 2015 Another day of below normal temperatures will be noted across the region due to the continued influence of the cyclonic flow around the very slow moving southeast US upper low.
THE UPPER LEVEL RIDGE AXIS WILL MOVE FARTHER EAST INTO THE GULF WITH A PERSISTENT BAND OF CIRRUS CLOUDS FROM MEXICO INTO THE REGION THROUGH THE PERIOD. THE UPPER LEVEL RIDGE AXIS OVER THE COASTAL PLAINS WILL MOVE INTO THE WESTERN GULF OF MEXICO BY MONDAY.
1013 AM EDT SUN OCT 4 2015 HIGH PRESSURE OVER QUEBEC WILL BUILD SLOWLY SOUTH INTO THE GREAT LAKES AND NORTHEAST TODAY THROUGH THE START OF THE WORK WEEK.
TO NEAR 70/LOWER 70S PER THE COOLER HRRR 2M TEMP GUIDANCE. GIVEN THE COOLER START TO THE MORNING.
605 AM MST SUN OCT 4 2015 A STRONG AND COLD LOW PRESSURE SYSTEM FROM WESTERN CANADA WILL DEVELOP OVER WESTERN STATES TODAY AND MONDAY.
742 AM EDT SUN OCT 4 2015 HIGH PRESSURE WILL BUILD ACROSS THE AREA TODAY THROUGH MID WEEK. HIGH PRESSURE WILL BUILD SOUTH ACROSS THE FORECAST AREA TODAY THROUGH TONIGHT WITH MOSTLY CLEAR SKIES.
740 AM EDT SUN OCT 4 2015 A LARGE AREA OF HIGH PRESSURE ANCHORED OVER EASTERN CANADA WILL CONTINUE TO PROVIDE SEASONABLE TEMPERATURES AND A DRY WEATHER TO THE NORTH COUNTRY.
THE PERSISTENT UPPER LEVEL LOW WAS CHURNING OVER S GA/N FL WITH STRONG SUBSIDENCE REMAINING OVER THE LOCAL AREA ON THE ESE SIDE OF THE SYSTEM. FARTHER SOUTH OVER NE FL MOSTLY DRY CONDITIONS WILL CONTINUE TODAY AS THE UPPER LOW SLOWLY MIGRATES SSE OVER THE AREA. CONTINUED TO ADVERTISE ISOLATED TSTORM POTENTIAL ACROSS OUR NE FL ZONES GIVEN INCREASED INSOLATION UNDER PARTLY CLOUDY SKIES THIS MORNING AND THE AREAS POSITION ON THE SSE SIDE OF THE UPPER LEVEL LOW.
1214 PM EDT SUN OCT 4 2015 A LARGE AREA OF HIGH PRESSURE OVER SOUTHERN QUEBEC WILL DRIFT SOUTH OVER THE NEXT SEVERAL DAYS AND SLOWLY WEAKEN. WITH A MAINLY DRY COLD FRONT IN THE MIDDLE OF THE WEEK.
1053 AM CDT SUN OCT 4 2015 NO CHANGES PLANNED FOR ONGOING FORECAST WITH A MID TO UPPER LEVEL RIDGE OVER CENTRAL/EAST TEXAS DOMINATING SENSIBLE WEATHER. BUT WILL CONTINUE TO MONITOR EASTERN COUNTIES AS CLOUDS WOULD KEEP TEMPERATURES A FEW DEGREES COOLER THAN CURRENTLY FORECAST. HUFFMAN CONTINUED DRY & PLEASANT WX EXPECTED FOR THE NEXT SEVERAL DAYS WITH RIDGING IN CONTROL. NEXT WEST COAST TROF. STILL SOME MODEL DIFFERENCES ON THE EVENTUAL EVOLUTION & MOVEMENT OF THE TROF BEYOND THURS. 47 LIGHT/MODERATE NE WINDS TO PREVAIL THE NEXT COUPLE OF DAYS AS HIGH PRESSURE LINGERS OVER THE REGION. THIS RIDGE WILL BE BREAKING DOWN BY TUES AS THE NEXT UPPER LEVEL STORM SYSTEM (DEEPENING AROUND THE CALI BAJA) BEGINS TO SLOWLY MOVE EAST.
THE LOW WILL BEGIN TO SHIFT EAST OF THE AREA MONDAY.
956 AM EDT SUN OCT 4 2015 A LARGE HIGH PRESSURE SYSTEM, WILL GRADUALLY BUILD SOUTHWARD FROM EASTERN CANADA, OVER THE NEXT FEW DAYS.
This should also lead to slightly warmer afternoon temperatures in parts of far northeast Oklahoma so have raised maximum temperatures a couple of degrees around Miami and Grove. /ISSUED 347 AM CDT SUN OCT 4 2015/ Pleasant autumn weather will continue today as ridging continues to prevail at the surface and aloft. The future evolution of the upper low that will be moving out of the southwest U.
UPPER LEVEL LOW THAT HAS BEEN CAUSING THE COOL AND DAMP WEATHER ACROSS CENTRAL ALABAMA OVER THE LAST SEVERAL DAYS IS FORECAST TO FINALLY SLIDE EASTWARD OVER THE NEXT 24 TO 48 HOURS. AND ALLOW AN UPPER LEVEL RIDGE TO BUILD IN HERE BY THE MIDDLE OF THE WEEK. HEIGHT RISES ASSOCIATED WITH THE RIDGE.
653 AM CDT SUN OCT 4 2015 LOW CLOUDS WILL CONTINUE FOR MUCH OF THE DAY AS LOW PRESSURE SPINS EAST OF ARKANSAS. A FEW BREAKS MAY BE SEEN DURING THE DAY BUT THE LOW CLOUDS SHOULD RETURN TO THE AREA TONIGHT.
LATEST VISIBLE IMAGERY SHOWING SOME BIG BREAKS IN THE LOW LEVEL CLOUD DECK OCCURRING OVER EASTERN MS INTO AL. WV IMAGERY THIS MORNING INDICATES THE UPPER LOW HAS NOW CUT OFF OVER SOUTH GA. 9U IMAGERY DEPICTS A BROAD STRATUS/STRATOCU DECK ENCOMPASSING ALMOST ALL OF THE FORECAST AREA ASSOCIATED WITH LOW LEVEL MOISTURE TRANSPORT AROUND THE LOW. HEADING THROUGH MONDAY, THE UPPER LOW WILL SHIFT EASTWARD OFF THE ATLANTIC COAST. GUIDANCE SUGGESTS THE LOW CLOUDS WILL FINALLY BEGIN TO THIN OUT MORE TONIGHT INTO EARLY MONDAY, THOUGH WE MAY STILL SEE SCATTERED CLOUDS CONTINUING INTO THE DAYTIME ESPECIALLY FARTHER EAST IN THE AREA.
BUT THEY SHOULD BE AFFECTED BY THE LOW CLOUDS NEAR THE RAIN. MOISTURE IS STREAMING UP OVER MEXICO AND TEXAS FROM THE PACIFIC IN THE SOUTHWESTERLY UPPER FLOW AHEAD OF AN CLOSED LOW MOVING ACROSS CALIFORNIA. GUIDANCE IS WARMER FOR THE FAR EASTERN ZONES AS SOME DRIER AIR MAY SNEAK IN AND ALLOW FOR SOME BREAKS IN CLOUD COVER. LOWERED TEMPERATURES OVERALL EVERYWHERE TO MOSTLY THE LOW 60S OTHER THAN THE FAR SOUTHEASTERN ZONES THAT MAY BREAK 70 IF GUIDANCE HOLDS TRUE.
EXPECT VFR CONDITIONS FOR THE NEXT 24 HOURS AS THE 500 MB RIDGE ACROSS THE SOUTHERN PLAINS CONTINUES TO PROVIDE SUBSIDENCE ACROSS REGION. HIGH PRESSURE AT THE SURFACE AND ALOFT WILL PROVIDE SUBSIDENCE ACROSS THE REGION THROUGH THE FORECAST PERIOD. RANGING FROM THE MID 80S ALONG THE BEACHES TO THE LOWER 90S ACROSS THE WEST. EXCEPT FOR THE LOW 70S NEAR THE COAST.
AN UPPER LEVEL RIDGE COMBINED WITH LOW LEVEL OFFSHORE FLOW WILL BRING CLEAR SKIES AND WARM AFTERNOONS TO THE AREA TODAY AND MONDAY.
722 AM EDT SUN OCT 4 2015 HIGH PRESSURE OVER EASTERN CANADA WILL SLOWLY BUILD SOUTHWEST ACROSS THE AREA TODAY. HIGH PRESSURE FROM WESTERN CANADA AND THE NORTHERN PLAINS WILL THEN BUILD OVER THE GREAT LAKES FOR MID WEEK.
1121 AM CDT SUN OCT 4 2015 CLOUDS FROM AN UPPER LEVEL LOW PRESSURE SYSTEM HAVEN/T BUDGED AT ALL THIS MORNING. THE MOST SIGNIFICANT CHANGE IS THE UPPER LEVEL LOW OUT WEST. EARLY MORNING TEMPERATURES ARE IN THE LOW 50S ACROSS MOST OF THE MIDSOUTH. TEMPERATURES WILL TURN WARMER. HIGHS TOMORROW SHOULD REBOUND INTO THE LOW 80S. A RIDGE WILL BUILD IN ACROSS THE MIDSOUTH FROM THE WEST DURING THE EARLY TO MIDDLE PART OF THE WORK WEEK AS ANOTHER CUTOFF LOW DEEPENS ACROSS THE SOUTHWEST. HIGHS BY MIDWEEK WILL BE IN THE LOW TO MIDDLE 80S.
AN UPPER LEVEL RIDGE OF HIGH PRESSURE OFF THE COAST WILL GRADUALLY SHIFT EAST INTO THE PACIFIC NORTHWEST TODAY THROUGH MONDAY.
UPPER LOW OVER SOUTHERN GEORGIA AND THE EASTERN FLORIDA PANHANDLE CONTINUES TO MOVE MORE SOUTH THAN EAST THIS MORNING. THE EXCEPTION IS A NARROW SWATH EXTENDING FROM BRIDGEPORT SOUTHWEST INTO THE CULLMAN AREA. LEFT CHANCE POP IN NORTHWARD UP TO A LINE FROM NEAR BRIDGEPORT TO HUNTSVILLE AND INTO THE COURTLAND AREA. BREAKS IN CLOUD COVER FROM BRIDGEPORT TO CULLMAN.
821 AM EDT SUN OCT 4 2015 A LARGE AREA OF HIGH PRESSURE OVER SOUTHERN QUEBEC WILL DRIFT SOUTH OVER THE NEXT SEVERAL DAYS AND SLOWLY WEAKEN. WITH A MAINLY DRY COLD FRONT IN THE MIDDLE OF THE WEEK. AND INTO THE LOWERS 60S ACROSS THE SUSQUEHANNA VALLEY.
627 AM CDT SUN OCT 4 2015 HIGH PRESSURE CONTINUES TO EXTEND WELL WEST INTO THE NORTHLAND KEEPING THE REGION DRY. THE CLOUDS HAVE NOT BEEN REAL THICK AS THEY FIRST MOVE IN AND TEMPS HAVE FALLEN TO AROUND FREEZING OVER PORTIONS OF FAR NORTHERN MINNESOTA AND PARTS OF NORTHWEST WISCONSIN. THE HIGH WILL LOSE SOME ITS INFLUENCE TODAY AS IT DRIFTS EAST. THE GUIDANCE INCLUDING THE HIGH RES MODELS SUGGEST COVERAGE WILL BE LIMITED AND WE HAVE LOW POPS AT THIS TIME. HIGHS TODAY WILL BE IN THE FIFTIES AND BE A BIT WARMER MONDAY WITH MID FIFTIES TO LOWER SIXTIES.
611 AM CDT SUN OCT 4 2015 FOR 12Z TAFS /ISSUED 254 AM CDT SUN OCT 4 2015/ UPPER LOW WAS CENTERED OVER SWRN GA WHILE AT THE SFC AN INVERTED TROF EXTENDED FROM SE GA THRU ERN TN. FOR TODAY THE UPPER LOW WILL FINALLY BEGIN TO MOVE SE TOWARDS THE SERN COASTLINE.
Cooler air moving in will keep the temperatures down as well. Deep upper low currently centered over the southeast CONUS continues to funnel low/mid-level moisture northwestward into central Illinois this morning. 07z/2am IR satellite imagery shows a low overcast across the entire area, with the lowest clouds focused over the E/SE KILX CWA. Given some late day sunshine, high temperatures will likely reach the lower 70s along/south of I-70.
1015 AM EDT SUN OCT 4 2015 HIGH PRESSURE WILL BUILD ACROSS THE AREA TODAY THROUGH MID WEEK. HIGH PRESSURE WILL BUILD SOUTH ACROSS THE FORECAST AREA TODAY THROUGH TONIGHT WITH MOSTLY CLEAR SKIES.
Early this morning a closed upper level low was digging southeast across central CA. A longer wave-length trough was located across the western US. A weak lead short wave trough was lifting northeast across western KS. Ahead of the minor upper level trough there was enough ascent for scattered showers across northwest and west central KS. As the minor H5 trough lifts northeast into NE any isolated showers or sprinkles across north central KS should come to an end. If the cloud cover lingers across the western counties, then highs may only reach the lower 60s.
659 AM CDT SUN OCT 4 2015 Deep upper low currently centered over the southeast CONUS continues to funnel low/mid-level moisture northwestward into central Illinois this morning. 07z/2am IR satellite imagery shows a low overcast across the entire area, with the lowest clouds focused over the E/SE KILX CWA. Given some late day sunshine, high temperatures will likely reach the lower 70s along/south of I-70.
UPPER RIDGE POSITIVELY TILTED INTO THE REGION WILL SEE AN INCREASE IN ENERGY ROTATING THROUGH IT. RESULT WILL BE TIGHTENING OF PRESSURE GRADIENTS ACROSS THE AREA BRINGING STRONG WINDS TO THE GAP FLOW AREAS AND BREEZY CONDITIONS TO THE LOWER ELEVATION.
1012 AM CST TUE JAN 26 2016 RAINS LOOK TO TAPER OFF BEHIND THE COLD FRONT THAT IS MOVING THROUGH SOUTH CENTRAL THIS MORNING. A COLD FRONT EXTENDING FROM KESF TO THE COAST NEAR SABINE PASS (KRPE). A STRONG COLD FRONT IS PUSHING THROUGH SOUTHEAST TEXAS AND CENTRAL LOUISIANA WITH RAIN AND EMBEDDED THUNDERSTORMS. RAIN WILL LINGER THROUGH TONIGHT WITH BREEZY NORTH WINDS AND TEMPERATURES HEADING FOR THE LOWER 40S TO UPPER 30S. A LIGHT FREEZE WILL BE POSSIBLE FOR MANY AREAS WEDNESDAY NIGHT AS WINDS DIMINISH WITH CLEARING SKIES AS HIGH PRESSURE BUILDS IN.
1132 AM CST TUE JAN 26 2016 OUR COLD FRONT HAS PUSHED S INTO SE MS AND SE LA INTO THE NRN GULF AS OF 17Z. DESPITE THE PRESENCE OF THE LONGWAVE TROUGH TO OUR W NOW DIGGING S THROUGH THE CNTRL PLAINS INTO THE TX PANHANDLE/SRN NM/FAR NRN MX. SATELLITE IMAGERY SUGGESTS THAT AC/CIRRUS CIGS WILL CONTINUE TO SPREAD NE AND THICKEN BY AFTERNOON AHEAD OF THE TROUGH OVER MUCH OF THE REGION WHERE THE CLOUDS HAVE THINNED. HAVING RISEN INTO THE LOWER 50S ALREADY ACROSS PORTIONS OF E TX/NW LA ALONG/S OF I-20.
/ISSUED 316 AM CST TUE JAN 26 2016/ A longwave positive tilted trof axis positioned from the Great Lakes Region to the Southern Plains continued to shift eastward early this morning. Behind the trof axis. the trof will continue its eastward progression with northerly low level flow keeping surface temps slightly below the seasonal average. as indications are that the low level cloud deck could hold over these locations into the afternoon hours.
Model guidance indicates coldest temperatures from around 20 degrees or colder from around Hays west to Syracuse, and a few degrees warmer toward the Oklahoma line. A strong upper ridge developing across the western states will help maintain dry westerly downslope flow across the central High Plains.
THERE IS A CHANCE FOR MVFR CEILINGS TO AFFECT THE COAST AS A WARM FRONT MOVES INTO THE AREA.
1008 AM MST TUE JAN 26 2016 LEESIDE TROUGH MIGRATING ACROSS THE REGION TODAY WILL BRING WARMER TEMPERATURES. WARMER TEMPERATURES ARE IN STORE FOR THE AREA THE NEXT COUPLE OF DAYS. HEIGHTS RISE TODAY AS AN UPPER RIDGE TO THE WEST TILTS INTO THE NORTHERN ROCKIES. THIS RIDGE WILL BE FLATTENED TONIGHT BY ENERGY STREAMING ACROSS SOUTHERN CANADA CAUSING INCREASING DOWNSLOPE FLOW AND MORE OF A WARM UP FOR WEDNESDAY. SOUTHWEST WINDS ARE PROGGED TO INCREASE TONIGHT OVER THE WESTERN VALLEYS AS A LEE TROUGH FORMS AND DEEPENS IN RESPONSE TO ENERGY STREAMING ACROSS CANADA.
THE COLD FRONT WILL PUSH THROUGH WEDNESDAY MORNING. EXPECT A WIDESPREAD MAINLY ISENTROPIC DRIVEN COOL RAINFALL EVENT OVERSPREADING OUR FORECAST AREA FROM N TO S WITH THE HIGHEST RAINFALL AMOUNTS AND RAIN CHANCES ACROSS NE FL FROM JAX TO GNV SOUTHWARD AFTER MIDNIGHT THU MORNING THROUGH THU AFTN UNTIL UPPER LEVEL TROUGH FORCING FINALLY PUSHES DOWNSTREAM OF THE FL PENINSULA THU NIGHT. HIGH TEMPS WILL NEAR THE LOWER 60S FRI WITH LOWS IN THE MID/UPPER 30S INLAND FRI NIGHT WITH AREAS OF FROST LIKELY INLAND UNDER GOOD RADIATIONAL COOLING CONDITIONS. COASTAL TROUGH/PSEUDO WARM FRONT BEGINS TO FORM MON NIGHT INTO TUE AHEAD OF THE NEXT LOW PRESSURE SYSTEM WHICH COULD BRING SOME COASTAL SHOWERS OFFSHORE AS TEMPS WARM FURTHER INTO THE UPPER 70S INLAND UNDER DEEP LAYER SOUTHERLY FLOW.
442 PM EST TUE JAN 26 2016 A COLD FRONT WILL MOVE THROUGH THE FORECAST AREA LATE TONIGHT. THE FRONT WILL STALL OFF THE COAST AND A SERIES OF LOW PRESSURE CENTERS WILL MOVE NORTHEASTWARD ALONG THE FRONT.
STRONG RIDGING OUT WEST AND MODERATE NORTHERLY FLOW ALOFT OVER THE STATE TONIGHT. MODELS SHOW THE GREAT BASIN RIDGE COLLAPSING WITH A SHORT WAVE ROUNDING THE TOP AND DOWN ITS EAST SIDE DURING THE DAY BRINGING WITH IT A BATCH OF MID AND HIGH CLOUDS. THE PASSING WAVE MARKS THE LEADING EDGE OF WARMER AIR ALOFT. HENCE TOMORROW TEMPERATURES WILL WARMER BY 5-9 DEG F.
1016 AM CST TUE JAN 26 2016 COLD FRONT CONTINUES TO TRACK ACROSS THE MID-STATE LATE THIS MORNING. COOLER AIR SLOWLY FILTERING IN BEHIND BOUNDARY NOW AND WILL ADJUST MUCH OF THE WEST FOR FALLING TEMPS THIS AFTERNOON. COLD FRONT WILL SLOW TO A CRAWL THIS MORNING AND THIS WILL KEEP RAIN OVER THE SOUTHEAST HALF THROUGH A GOOD PART OF THE AFTERNOON.
350 PM CST TUE JAN 26 2016 WATER VAPOR IMAGERY SHOWS AN UPPER TROUGH MOVING THROUGH TEXAS THIS AFTERNOON RESULTING IN WIDESPREAD SHOWERS AND A FEW THUNDERSTORMS MAINLY ACROSS SOUTH TEXAS. DESPITE STRONG FORCING FROM THE TROUGH. THE TROUGH AXIS WILL SHIFT TO THE EAST OF THE AREA DURING THE DAY WEDNESDAY. THIS WILL RESULT IN A DECREASE IN CLOUD COVER AND SLIGHTLY WARMER TEMPERATURES.
347 PM EST TUE JAN 26 2016 THE AVIATION SECTION HAS BEEN UPDATED BELOW HIGH PRESSURE IS EXPECTED ACROSS THE AREA THROUGH THE END OF THE WEEK. SHEARING UPPER TROUGH WILL PASS OVER THE LOCAL AREA TONIGHT. A FEW FLURRIES MAY STILL BE POSSIBLE WEDNESDAY MORNING AS TONIGHT/S UPPER TROUGH WILL BE IN THE PROCESS OF PASSING OVER THE AREA AT THAT TIME.
140 PM EST TUE JAN 26 2016 TEMPERATURES TURN COLDER IN THE WAKE OF A PASSING COLD FRONT. COLD FRONT BEGINNING TO ENTER WESTERN PENNSYLVANIA MARKED BY LOWER TEMPERATURES AND DEWPOINTS. WHILE THE LOW LEVELS WILL REMAIN SATURATED. IT WILL TAKE SOME TIME FOR THE LOWER PROFILE TO REACH THE PRIME LAYER FOR SNOW GROWTH. THERE IS A CONCERN FOR FREEZING DRIZZLE. AT THIS POINT CONFIDENCE IS NOT HIGH ENOUGH TO INCLUDE ANYTHING MORE THAN PATCHY FREEZING DRIZZLE. SLIGHT CHANCES FOR SNOW WILL CONTINUE THROUGH WEDNESDAY ACROSS THE RIDGES AND ALONG/NORTH OF INTERSTATE 80. BUT WILL DROP AS FAR SOUTH AS PITTSBURGH WEDNESDAY MORNING AS THE MID LEVEL TROUGH PASSES OVERHEAD.
TWEAKED TEMPS AS TEMPS HOLDING STEADY AND A BIT WARMER THAN WHAT WAS FORECAST AT 12Z. ENOUGH DRY IN THE LOWEST LEVELS OF THE ATMOSPHERE WITH THE NORTHWEST WIND TO PRECLUDE FREEZING DRIZZLE. A BRIEF AREA OF PRECIP PSBL IN THE WARM ADVECTION SOME OF THE LOW TRACK INTO PARTS OF NE ND LATE TONIGHT/WED MORNING AND THEN MOST OF WEDNESDAY IN FAR NW MN. THESE WINDS WILL BE IN THE WARM SECTOR WHERE TEMPS WILL BE WELL ABOVE FREEZING. BUT WHERE WINDS WILL BE IT WILL BE QUITE MILD AND WITH THE WARMER TEMPS AND ALREADY A DRIFTING SNOW EVENT BEHIND US FEEL SNOW ON THE GROUND WILL NOT BLOW MUCH.
HIGH PRESSURE RIDGE WAS PROVIDING SUNNY SKIES ACROSS THE REMAINDER OF THE GREAT PLAINS. STRONG VORT MAX IN SW WI WILL TRACK TO THE EAST OF THE CWA THIS EVENING FOLLOWED BY HIGH PRESSURE RIDGE MOVING IN FROM THE PLAINS. LOWS SHOULD RANGE FROM THE LOWER TEENS NW TO AROUND 20 IN OUR FAR SOUTH. THIS WILL PULL SOUTHERLY WINDS AND A SOMEWHAT WARMER AIRMASS INTO THE CWA. THE MORNING SHOULD BE SUNNY BUT CLOUDS WILL INCREASE DURING THE AFTERNOON AS AN UPPER LEVEL TROUGH APPROACHES FROM THE NORTHWEST.
VERY STABLE CONDITIONS DEVELOPING IN COOL NORTHERLY FLOW AS HIGH PRESSURE BUILDS ACROSS THE REGION.
A WEAK DISTURBANCE WILL MOVE THROUGH THE TOP OF THE UPPER LEVEL RIDGE OVER THE WESTERN U. THUS SOME SPOTTY LIGHT FREEZING RAIN WILL BE POSSIBLE IN THESE AREAS. THUS IMPACTS FROM ANY FREEZING RAIN WILL BE VERY LIMITED. SNOW LEVELS WILL ALSO CONTINUE TO RISE THROUGH TODAY, WITH SNOW BEING INCREASINGLY LIMITED TO THE HIGHEST ELEVATIONS. INCREASING MID AND HIGH LEVEL CLOUDS TODAY AS A WEAK COLD FRONT APPROACHES.
1216 PM CST TUE JAN 26 2016 COLD FRONT CONTINUES TO TRACK ACROSS THE MID-STATE LATE THIS MORNING. COOLER AIR SLOWLY FILTERING IN BEHIND BOUNDARY NOW AND WILL ADJUST MUCH OF THE WEST FOR FALLING TEMPS THIS AFTERNOON.
329 PM EST TUE JAN 26 2016 A SECONDARY COLD FRONT ACROSS THE NORTHERN LAKES WILL SWING ACROSS THE AREA LATE TONIGHT. HIGH PRESSURE WILL MOVE QUICKLY ACROSS THE UPPER OHIO VALLEY WEDNESDAY.
A HIGH PRESSURE RIDGE WILL GENERALLY KEEP THE AIRMASS DRY.
COOLER TEMPERATURES SEEN TODAY. AN UPPER LEVEL RIDGE OF HIGH PRESSURE OVER THE INTERMOUNTAIN WEST ON WEDNESDAY WILL EVENTUALLY FLATTEN.
A positively tilted long wave trough stretches from Hudson Bay southwest to northwestern Mexico today with westerly flow aloft across the Gulf Coast states. Surface analysis shows a cold front extending from southern Ontario southwest to the Texas Coast. This cold front will approach today with warm air advection and isentropic ascent increasing as return flow picks up just ahead of the boundary.
245 PM EST TUE JAN 26 2016 TEMPERATURES TURN COLDER IN THE WAKE OF A PASSING COLD FRONT. COLD FRONT BEGINNING TO ENTER WESTERN PENNSYLVANIA MARKED BY LOWER TEMPERATURES AND DEWPOINTS. WHILE THE LOW LEVELS WILL REMAIN SATURATED. IT WILL TAKE SOME TIME FOR THE LOWER PROFILE TO REACH THE PRIME LAYER FOR SNOW GROWTH. THERE IS A CONCERN FOR FREEZING DRIZZLE. AT THIS POINT CONFIDENCE IS NOT HIGH ENOUGH TO INCLUDE ANYTHING MORE THAN PATCHY FREEZING DRIZZLE. THIS WILL ALLOW FOR THE BOUNDARY LAYER DEPTH TO MORE SUFFICIENTLY INTERSECT THE LOWER SECTION OF THE DENDRITIC GROWTH ZONE.
1138 AM CST TUE JAN 26 2016 Post frontal stratus overspreads the area this morning with temperatures below freezing.
SOME FLURRIES HAVE BEEN DEVELOPING ALONG A H850 TROUGH AXIS OVER SOUTHERN MINNESOTA AND SOUTHWEST WISCONSIN. CURRENT GUIDANCE IS WARMER THAN PROGGED OVERNIGHT LOWS. FOR NOW WILL SHADE COOLER READINGS ACROSS THE WEST WHERE CLEARING MORE LIKELY FOLLOWED BY FOG DEVELOPMENT. WEAK COLD FRONT TO PUSH THROUGH THE REGION WEDNESDAY.
348 PM EST TUE JAN 26 2016 A COLD FRONT WILL PUSH THROUGH THE REGION TONIGHT. BEHIND THE FRONT, HIGH PRESSURE WILL BUILD IN FROM THE SOUTH.
/ISSUED 1012 AM CST TUE JAN 26 2016/ RAINS LOOK TO TAPER OFF BEHIND THE COLD FRONT THAT IS MOVING THROUGH SOUTH CENTRAL THIS MORNING. A COLD FRONT EXTENDING FROM KESF TO THE COAST NEAR SABINE PASS (KRPE). A STRONG COLD FRONT IS PUSHING THROUGH SOUTHEAST TEXAS AND CENTRAL LOUISIANA WITH RAIN AND EMBEDDED THUNDERSTORMS. RAIN WILL LINGER THROUGH TONIGHT WITH BREEZY NORTH WINDS AND TEMPERATURES HEADING FOR THE LOWER 40S TO UPPER 30S. A LIGHT FREEZE WILL BE POSSIBLE FOR MANY AREAS WEDNESDAY NIGHT AS WINDS DIMINISH WITH CLEARING SKIES AS HIGH PRESSURE BUILDS IN.