Aikyam-Lab/Synoptic-Bench huggingface dataset:
HIGH PRESSURE ALOFT WILL RETURN TO THE REGION LATE IN THE WEEK. HAVE NOTED MAINTENANCE OF OROGRAPHICALLY INDUCED SNOW SHOWERS DOWNSTREAM OF THE GREAT SALT LAKE AND MOST ALL NORTHERN MOUNTAIN AREAS THIS MORNING AS CONDITIONALLY UNSTABLE NORTHEASTERLY FLOW PERSISTS THROUGH THE LOW/MID LEVELS AND JUST ENOUGH MOISTURE EXISTS IN THE COLUMN /PWAT ON THE ORDER OF A QUARTER OF AN INCH/. RELATIVELY DRY BOUNDARY LAYER CONDITIONS CONTINUE IN THE LOWER VALLEY AREAS PER 12Z KSLC RAOB OWING TO BULK ACTIVITY FOCUSED FROM THE UPPER BENCHES UP THROUGH THE WINDWARD TERRAIN IN THE NORTHERN MOUNTAINS. THE RIDGE OVER THE EASTERN PACIFIC WILL AMPLIFY TONIGHT AND BULGE EAST SHIFTING THE JET ALOFT NORTHEAST OF THE AREA FOR WEDNESDAY.
THE LOW CLOUDS COULD TAKE SOME TIME TO BURN OFF THIS MORNING SINCE WINDS WILL BE COMING IN OFF THE GULF. HIGH CLOUDS WILL THICKEN AS AN UPPER- LEVEL TROUGH BEGINS TO MOVE BY TO OUR NORTH.
SOUTHWEST WINDS TO INCREASE TO 15 KNOTS WITH GUSTS TO 25 KNOTS AHEAD OF A COLD FRONT THAT WILL MOVE ACROSS THE REGION LATER TONIGHT.
COLD FRONT CONTINUES TRACKING TOWARD THE REGION. SOUTHWEST WINDS TO INCREASE TO 15 KNOTS WITH GUSTS TO 25 KNOTS AHEAD OF A COLD FRONT THAT WILL MOVE ACROSS THE REGION LATER TONIGHT.
WINDS HAVE DIMINISHED AT ARLINGTON AND BORDEAUX AND GRADIENTS ARE SUCH THAT IT SEEMS SAFE TO CANCEL THE HIGH WIND WARNINGS THERE. THUS WILL CONTINUE THE HIGH WIND WARNING THERE FOR NOW. SLIGHTLY COOLER BASED ON THICKNESS TRENDS AND 700 MB TEMPERATURE TRENDS.
814 AM EDT TUE MAR 15 2016 LOW PRESSURE WILL TRACK SOUTH OF THE REGION TODAY INTO WEDNESDAY.
No fog this morning despite all the moisture around so fog risk looks to be low even with the upper ridge building into the area.
the cold front extended from the Texas Panhandle to Southwest Oklahoma. the cold front will continue to push eastward through Eastern Oklahoma and Northwest Arkansas with the gusty northwesterly winds and drier air filtering in behind.
GIVEN THE OVERALL SET UP WITH THE UPPER LEVEL JET FORCING DOWN TO THE SURFACE CYCLONE INTENSIFICATION.
807 AM EDT TUE MAR 15 2016 WARM TEMPERATURES WILL CONTINUE UNTIL A COLD FRONT DROPS THEM BACK TOWARD THE LATE WINTER AVERAGES FOR THE WEEKEND.
A DRY COLD FRONT CONTINUES TO MOVE SOUTHEAST THROUGH NORTH TEXAS THIS MORNING. BUT AS WINDS STEADILY VEER THIS MORNING IN ADVANCE OF AN APPROACHING COLD FRONT. A DRY COLD FRONT CONTINUES TO MOVE SOUTHEAST THROUGH NORTH TEXAS THIS MORNING. A COLD FRONT IS NOW SURGING SOUTHEAST THROUGH THE SOUTHERN PLAINS AND WILL MAKES ITS WAY THROUGH NORTH AND CENTRAL TEXAS LATER TODAY. CONDITIONS WILL BE ROUGHLY 5 TO 10 DEGREES COOLER TODAY BEHIND THE FRONT.
1005 AM EDT TUE MAR 15 2016 LOW PRESSURE WILL DEPART EASTWARD TODAY. ANOTHER COLD FRONT WILL SLIDE THROUGH THE REGION WEDNESDAY.
745 AM EDT TUE MAR 15 2016 HIGH PRESSURE WILL RESIDE OVER THE SOUTHEASTERN STATES TODAY AND TONIGHT. A COLD FRONT WITH LITTLE MOISTURE WILL CROSS THE FORECAST AREA LATE WEDNESDAY AND STALL TO OUR SOUTH. INCREASED MOISTURE WILL IS EXPECTED OVER THE WEEKEND WITH LOW PRESSURE MOVING INTO THE REGION. THE MODELS DISPLAY FLAT UPPER RIDGING OVER THE REGION. ALLOWING A DRY COLD FRONT TO CROSS THE AREA LATE WEDNESDAY. USED THE GUIDANCE CONSENSUS FOR THE TEMPERATURE FORECAST TODAY WITH HIGHS IN THE LOW TO MID 80S. TRENDED TEMPERATURES TOWARD THE WARMER GUIDANCE FOR WEDNESDAY GIVEN WARM AIR ADVECTION AHEAD OF THE APPROACHING COLD FRONT.
1059 AM EDT TUE MAR 15 2016 WARM TEMPERATURES WILL CONTINUE UNTIL A COLD FRONT DROPS THEM BACK TOWARD THE LATE WINTER AVERAGES FOR THE WEEKEND. ESPECIALLY ALONG THE RIDGES.
A COLD FRONT WILL TURN WINDS TO THE NW THIS MORNING. EXPECT MAINLY CLEAR SKIES AS HIGH PRESSURE BUILDS INTO THE REGION. DRAGGING A COLD FRONT ACROSS OKLAHOMA AND NORTH TEXAS. THE AIR BEHIND THE FRONT WILL BE A LITTLE COOLER.
A DRY COLD FRONT CONTINUES TO MOVE SOUTHEAST THROUGH NORTH TEXAS THIS MORNING. BUT AS WINDS STEADILY VEER THIS MORNING IN ADVANCE OF AN APPROACHING COLD FRONT. A COLD FRONT IS NOW SURGING SOUTHEAST THROUGH THE SOUTHERN PLAINS AND WILL MAKES ITS WAY THROUGH NORTH AND CENTRAL TEXAS LATER TODAY. CONDITIONS WILL BE ROUGHLY 5 TO 10 DEGREES COOLER TODAY BEHIND THE FRONT.
AHEAD OF THIS UPPER TROF. WARMER SOUTHERLY FLOW CONTINUES ACROSS OUR REGION AND THIS WILL LEAD TO SOME PATCHY FOG AND LOW STRATUS DEVELOPING AGAIN OVERNIGHT CLOSER TO DAYBREAK. WINDS WILL SHIFT TO MORE W/NW WITH THE UPPER TROF PASSAGE ON WEDNESDAY AND SPEEDS NEAR 5 KTS. CIGS/VSBYS WILL IMPROVE FROM LATE MORNING THROUGH MIDDAY AS THE TROF CLEARS. /ISSUED 242 PM CST TUE DEC 8 2015/ WINDS INCREASED FROM THE SOUTH TODAY AS HIGH PRESSURE BEGIN TO SHIFT FURTHER TO THE EAST. WITH SOME LOW CLOUDINESS TRANSPORTED INTO MAINLY LA PORTIONS OF THE AREA IN THIS LOW LVL FLOW. SOME OF THIS SHALLOW COOLER AIR WILL FILTER IN FROM THIS FRONT. JUST ENOUGH TO HUG THE SFC WEDNESDAY NIGHT WARMER AIR ABOVE THE SFC.
809 PM EST TUE DEC 8 2015 HIGH PRESSURE NEAR CAPE HATTERAS WILL DRIFT OFFSHORE. AN UPPER LEVEL TROUGH WILL MOVE EAST THROUGH THE AREA WEDNESDAY NIGHT. HIGH PRESSURE BUILDS SOUTH OF THE AREA FOR THE WEEKEND RESULTING IN WELL ABOVE NORMAL TEMPERATURES.
956 PM EST TUE DEC 8 2015 CLOUDS WILL INCREASE TONIGHT AND A FEW SHOWERS ARE EXPECTED ON WEDNESDAY AS A WEAK COLD FRONT MOVES THROUGH FROM THE WEST.
517 PM CST TUE DEC 8 2015 ISSUED AT 300 PM CST TUE DEC 8 2015 AT H5 CLOSED LOW OFF NORTHEAST CONUS WITH UPPER TROUGH THROUGH THE MISSOURI RIVER VALLEY AND RIDGING OVER THE WEST. UPPER LOW MOVING OUT OF THE GULF OF ALASKA WITH PRECIPITATION STREAMING INTO THE PACIFIC NORTHWEST. MODELS IN FAIR AGREEMENT WITH RIDGE TO THE WEST AND TROUGH TO THE EAST. WITH THE HIGHS TODAY HAVE BUMPED UP FORECAST TO NEAR RECORD HIGHS FOR WEDNESDAY.
656 PM EST TUE DEC 8 2015 CLOUDS WILL INCREASE TONIGHT AND A FEW SHOWERS ARE EXPECTED ON WEDNESDAY AS A WEAK COLD FRONT MOVES THROUGH FROM THE WEST.
THE CNTL PLAINS TROF WILL CROSS THE CNTL CONUS TONIGHT. WITH A WEAK SFC TROF PASSING JUST NORTH OF THE AREA. ABOUT 10-15 DEGREES WARMER THAN THIS MORNING. SLY WINDS WILL STRENGTHEN AS LOW PRES DEVELOPS ACRS THE TX PANHANDLE IN RESPONSE TO AN UPPER TROF CROSSING THE CONTINENTAL DIVIDE. THIS WILL BRING MUCH WARMER AIR OVER THE REGION. MOISTURE WILL INCREASE OVER THE REGION AS SLY FLOW DEEPENS AHEAD OF THE UPPER TROF WITH A FEW SHOWERS POSSIBLE LATE FRI/FRI NIGHT.
A WEAK COLD FRONT EXTENDED FROM KSPS TO KSNK TO KHOB. A COLD FRONT IS FORECAST BY THE MODELS TO ENTER INTO SE TEXAS WEDNESDAY MORNING. /ISSUED 359 PM CST TUE DEC 8 2015/ SFC ANALYSIS THIS AFTERNOON HAS A BROAD AREA OF LOW PRESSURE IN THE PLAINS SO SOUTHERLY WINDS HAVE INCREASED ACROSS THE AREA.
658 PM EST TUE DEC 8 2015 HIGH PRESSURE BUILDS INTO THE AREA TONIGHT AND CROSSES THE AREA WEDNESDAY.
CHATTANOOGA AIRPORT, TN 38 61 45 63 / 0 10 10 10 KNOXVILLE MCGHEE TYSON AIRPORT, TN 36 57 45 61 / 0 10 10 10 OAK RIDGE, TN 33 55 45 61 / 0 10 10 10 TRI CITIES AIRPORT, TN 30 57 42 59 / 0 10 20 10.
A COLD FRONT IS FORECAST BY THE MODELS TO ENTER INTO SE TEXAS WEDNESDAY MORNING. /ISSUED 359 PM CST TUE DEC 8 2015/ SFC ANALYSIS THIS AFTERNOON HAS A BROAD AREA OF LOW PRESSURE IN THE PLAINS SO SOUTHERLY WINDS HAVE INCREASED ACROSS THE AREA.
MODELS ADVERTISING A CONTINUED NORTHWARD SURGE OF MOISTURE IN THE LOW LEVELS. WINDS WILL REMAIN ONSHORE TONIGHT INTO TOMORROW WITH HIGH PRESSURE NORTH OF THE AREA AND WEAK INVERTED TROUGH DEVELOPING ACROSS SOUTH FL.
/ISSUED 303 PM CST TUE DEC 8 2015/ SKIES REMAIN MOSTLY SUNNY ACROSS MUCH OF THE FORECAST AREA THIS AFTERNOON WITH TEMPERATURES RANGING FROM THE LOWER 60S TO LOWER 70S. THIS TROUGH WILL MOVE INTO ARKANSAS TONIGHT. MOISTURE IS INCREASING AHEAD OF THE TROUGH BUT IT APPEARS THAT THERE WILL NOT BE ENOUGH TO PRODUCE ANY RAIN TONIGHT. AS THE TROUGH MOVES INTO WEST TENNESSEE AND NORTH MISSISSIPPI WEDNESDAY MORNING. TEMPERATURES WILL REMAIN ABOVE NORMAL WITH HIGHS IN THE LOW TO MID 60S. HIGH PRESSURE WILL BUILD OVER THE SOUTHEAST U.
806 PM EST TUE DEC 8 2015 HIGH PRESSURE WILL MOVE EAST OFFSHORE TONIGHT.
615 PM EST TUE DEC 8 2015 HIGH PRESSURE OVER THE CAROLINAS TONIGHT WILL MOVE EAST WEDNESDAY.
A diffuse cold front will sink south into the region tonight, and while winds could shift to the NE, they will remain AOB 10KT.
NORTHWEST ARKANSAS WILL MOVE EAST OVERNIGHT INTO WEDNESDAY AS UPPER TROUGH SWINGS THROUGH THE AREA. SKIES WILL BECOME CLOUDY AS WE GO THROUGH THE NIGHT AS UPPER TROUGH TO OUR WEST MOVES THIS WAY.
615 PM EST TUE DEC 8 2015 HIGH PRESSURE WAS MOVING OFF THE MIDDLE ATLANTIC COAST LATE THIS AFTERNOON. THIS WILL ALLOW AN UPPER LEVEL TROUGH TO MOVE ACROSS THE REGION ON WEDNESDAY. A STRONG UPPER LEVEL RIDGE WILL BUILD OVERHEAD TO END THE WEEK. SOUTHERLY WINDS AROUND 10 MPH ALONG WITH A MOSTLY CLOUDY TO CLOUDY SKY WILL PRODUCE A WARMER NIGHT THAN THE LAST FEW. A TROUGH OF LOW PRESSURE WILL MOVE ACROSS THE REGION ON WEDNESDAY WITH A CLOUDY DAY EXPECTED.
AN UPPER TROUGH WILL PASS THROUGH THE AREA OVERNIGHT AND BRING SOME LOW CLOUDS TO THE AREA.
934 PM EST TUE DEC 8 2015 HIGH PRESSURE WAS MOVING OFF THE MIDDLE ATLANTIC COAST LATE THIS AFTERNOON. THIS WILL ALLOW AN UPPER LEVEL TROUGH TO MOVE ACROSS THE REGION ON WEDNESDAY. A STRONG UPPER LEVEL RIDGE WILL BUILD OVERHEAD TO END THE WEEK. SOUTHERLY WINDS AROUND 10 MPH ALONG WITH A MOSTLY CLOUDY TO CLOUDY SKY WILL PRODUCE A WARMER NIGHT THAN THE LAST FEW. A TROUGH OF LOW PRESSURE WILL MOVE ACROSS THE REGION ON WEDNESDAY WITH A CLOUDY DAY EXPECTED.
646 PM EST TUE DEC 8 2015 HIGH PRESSURE WAS MOVING OFF THE MIDDLE ATLANTIC COAST LATE THIS AFTERNOON. THIS WILL ALLOW AN UPPER LEVEL TROUGH TO MOVE ACROSS THE REGION ON WEDNESDAY. A STRONG UPPER LEVEL RIDGE WILL BUILD OVERHEAD TO END THE WEEK. SOUTHERLY WINDS AROUND 10 MPH ALONG WITH A MOSTLY CLOUDY TO CLOUDY SKY WILL PRODUCE A WARMER NIGHT THAN THE LAST FEW. A TROUGH OF LOW PRESSURE WILL MOVE ACROSS THE REGION ON WEDNESDAY WITH A CLOUDY DAY EXPECTED.
BOTH THE NAM AND SREF HAVE SLOWED DOWN SLIGHTLY WITH TOMORROWS COLD FRONT.
324 PM MST TUE DEC 8 2015 SHORT WAVE RIDGING AND DECREASING QG SUBSIDENCE WILL OCCUR TONIGHT AND WEDNESDAY WITH ONLY SOME MIDDLE AND HIGH LEVEL CLOUDS AROUND. ANY REMAINING OROGRAPHIC SNOWS IN THE HIGHER TERRAIN WILL GRADUALLY TAPER OFF OVERNIGHT. TEMPERATURES WILL CONTINUE TO BE ABOVE AVERAGE DURING THE PERIOD ALTHOUGH A BIT COOLER IN THE LESS WINDY AREAS AT LOWER ELEVATIONS. LIGHTER WINDS ARE ANTICIPATED AT LOWER ELEVATIONS TONIGHT AND WEDNESDAY BUT THE HIGHER AREAS AND LOCALES CLOSE TO THE FOOTHILLS WILL CONTINUE TO SEE BREEZY TO WINDY CONDITIONS BOTH TONIGHT AND DURING THE DAY ON WEDNESDAY.
TEMPS MAY ACTUALLY WARM A BIT AS THE LOW CLOUDS MOVE IN LATER FROM THE SOUTH. ANOTHER BEAUTIFUL DAY HAS UNFOLDED ACROSS THE ARKLAMISS AS WEAK HIGH PRESSURE REMAINS SPRAWLED ACROSS THE REGION. AN UPPER LEVEL TROUGH WILL SWING NORTH OF THE REGION LATE TONIGHT AND EARLY TOMORROW MORNING. TEMPERATURES THROUGH THE WEEK WILL PROGRESSIVELY GET WARMER AS HEIGHTS WILL RISE AND MOISTURE WILL CONTINUE TO RETURN. IN SOME LOCATIONS WE MAY START TO FLIRT WITH RECORD HIGHS AS RIDGING BUILDS OVER THE ARKLAMISS.
634 PM CST TUE DEC 8 2015 QUIET AND WARM DAY ACROSS THE MID STATE TODAY AHEAD OF THE APPROACHING TROUGH CURRENTLY OVER THE GREAT PLAINS.
930 PM EST TUE DEC 8 2015 HIGH PRESSURE BUILDS INTO THE AREA TONIGHT AND CROSSES THE AREA WEDNESDAY.
643 PM EST TUE DEC 8 2015 HIGH PRESSURE WILL MOVE SLOWLY EAST OFF THE EAST COAST DURING THE NEXT COUPLE OF DAYS. A WEAK LOW PRESSURE SYSTEM WILL BRING SCATTERED SHOWERS WEDNESDAY NIGHT.
526 PM CST TUE DEC 8 2015 A surface pressure trough axis currently moving into western Iowa will continue a rapid eastward progression tonight. shifting to westerly and decreasing overnight after the trough axis passes. especially east of I-55 where lows should be in the low to mid 40s. To the west a reasonable amount of cooling is possible by early morning as skies clear behind the trough.
652 PM EST TUE DEC 8 2015 HIGH PRESSURE WILL PREVAIL TONIGHT INTO THE WEEKEND.
947 PM EST TUE DEC 8 2015 HIGH PRESSURE OVER THE CAROLINAS TONIGHT WILL MOVE EAST WEDNESDAY.
SOUTH WINDS WILL CONTINUE TO VEER TO THE WEST OVER THE NEXT SEVERAL HOURS AHEAD OF AN APPROACHING DRY COLD FRONT THAT SHOULD SWING THROUGH THE METROPLEX TAF SITES AROUND 0300 UTC. SOUTHERLY WINDS SHOULD RETURN LATE WEDNESDAY AS LEE-TROUGHING RETURNS ACROSS THE CENTRAL PLAINS. A SURFACE COLD FRONT IS ACCOMPANYING THE UPPER LEVEL FEATURE AND EXTENDED ALONG A LINE FROM OKLAHOMA CITY TO WICHITA FALLS TO MIDLAND AT 3 PM. BEFORE RETURNING TO THE SOUTH WEDNESDAY AFTERNOON AS THE RIDGE SLIDES OFF TO OUR EAST.
03Z SATELLITE IMAGERY AND SURFACE OBS INDICATED A LOW PRESSURE SYSTEM ENTERING THE UPPER MIDWEST WITH A COLD FRONT EXTENDING SOUTHWARD INTO WESTERN ARKANSAS.
719 PM EST TUE DEC 8 2015 HIGH PRESSURE WILL MOVE SLOWLY EAST OFF THE EAST COAST DURING THE NEXT COUPLE OF DAYS. A WEAK LOW PRESSURE SYSTEM WILL BRING SCATTERED SHOWERS WEDNESDAY NIGHT.
THE EXCEPTION TO THIS IS IN THE HIGHER TERRAIN OF NE AL/S MIDDLE TN WHERE TEMPS ARE ABOVE 50 DEGREES. A COLD FRONT EXTENDS ESE INTO CENTRAL MO/AR AND THEN BACK INTO EASTERN TX WITH SHOWERS AND THUNDERSTORMS DEVELOPING OUT AHEAD OF THE FRONT. A SECONDARY LOW PRESSURE SYSTEM IS EXPECTED TO FORM ALONG THE TX GULF COAST THIS EVENING AND LIFT UP INTO WEST-CENTRAL AL AROUND MIDNIGHT. THE LOW IS FORECAST TO CONTINUE LIFTING NEWRD AND THE CENTER WILL LIKELY PASS OVER OUR EASTERN COUNTIES OVERNIGHT. THEN AS THE COLD FRONT BEGINS TO ENTER NW AL TONIGHT ANY THUNDERSTORM ACTIVITY SHOULD BE LIMITED TO AREAS EAST OF INTERSTATE 65.
610 AM EST WED DEC 16 2015 AVIATION SECTION HAS BEEN UPDATED BELOW RAIN SHOWERS WILL BE POSSIBLE TODAY AND TONIGHT AS A LOW PRESSURE SYSTEM TRACKS ACROSS THE UPPER MIDWEST AND ITS ASSOCIATED COLD FRONT MOVES THROUGH CENTRAL INDIANA.
1007 AM EST WED DEC 16 2015 LOW PRESSURE WILL MOVE NORTHEAST ACROSS THE WESTERN GREAT LAKES BY THURSDAY MORNING. A WARM FRONT ASSOCIATED WITH THE LOW PRESSURE SYSTEM WILL LIFT NORTH ACROSS THE AREA TODAY. A COLD FRONT WILL SWEEP EAST THURSDAY MORNING.
While all of the sensible will miss us we'll still have to deal with some of its after effects in the form of much cooler, but seasonal temperatures today. This will be due to an upper trough which deepens over the central U. As the upper trough deepens it will open up a highway of colder air that will spread southeast from the Canadian Rockies.
Strong cyclone over NE Nebraska this morning will continue to move away from Kansas today, with dry chilly W/NW flow in its wake. Cloud cover and cold advection will keep high temperatures near freezing for many locales.
RADAR MOSAIC AND WATER VAPOR IMAGERY INDICATED THAT THE CYCLONE WAS CENTERED NEAR THE SOUTH DAKOTA-IOWA- NEBRASKA TRIPLE POINT WITH THE COLD FRONT EXTENDING THROUGH EASTERN KANSAS TO INTO CENTRAL OKLAHOMA.
IT IS EXPECTED TO BRING HEAVY SNOW AMOUNTS TO THE MOUNTAINS AND A MIXTURE OF SNOW AND FREEZING RAIN TO THE LOWER VALLEYS AND BASIN WHERE THERE WILL BE COLD AIR TRAPPED AT THE SURFACE. THE SNOW WILL LIKELY CHANGE TO RAIN IN CENTRAL OREGON AND POSSIBLY OVER THE SOUTHERN BLUE MOUNTAINS AS WARMER WILL MOVE INTO THOSE AREAS. THE WARMER AIR WILL EVENTUALLY REACH ALL AREAS BY LATE THURSDAY NIGHT.
943 AM EST WED DEC 16 2015 A WARM FRONT WILL LIFT NORTH OF THE OHIO VALLEY TODAY AND USHER IN MILDER TEMPERATURES AHEAD OF A COLD FRONT THAT IS EXPECTED TO CROSS TONIGHT.
527 AM CST WED DEC 16 2015 COLD FRONT CURRENTLY EXTENDS FROM NEAR KELD THROUGH KSHV AND KLFK TO CONTINUE MOVING E THROUGHOUT THIS WEDNESDAY. COOLER. /ISSUED 441 AM CST WED DEC 16 2015/ COLD FRONT CONTINUES STEADY EWD PROGRESS THROUGH THE REGION THIS MORNING AS IT EXTENDS ALONG A LINE FROM NEAR ELD TO SHV AND OCH.
MORE OF A 4-5 INCH EVENT IN MOST AREAS SO ON THE LOWER END OF PROJECTIONS.
A RIDGE OF HIGH PRESSURE IS FORECAST TO BUILD INTO NORTHERN ARIZONA FROM THE WEST CAUSING A WARMING TREND AND CONTINUED DRY WEATHER.
/ISSUED 402 AM EST WED DEC 16 2015/ HIGH PRESSURE RIDGE AXIS OVER THE EASTERN SEABOARD WILL CONTINUE TO PUSH EASTWARD TODAY AS UPPER LEVEL TROUGH BEHIND IT LIFTS NORTHEASTWARD INTO CENTRAL CANADA. INCREASING CLOUDS EXPECTED TODAY AS LOW PRESSURE DRAGS WARM FRONT NORTHWARD AND DEEP LAYER SOUTHEASTERLY FLOW DRAWS AMPLE MOISTURE UP FROM THE GULF. AS THE LOW CONTINUES TO LIFT TO THE NORTHEAST. A COLD FRONT IS PROGGED TO PUSH INTO NORTH GEORGIA LATE TONIGHT.
931 AM EST WED DEC 16 2015 AVIATION SECTION HAS BEEN UPDATED BELOW RAIN SHOWERS WILL BE POSSIBLE TODAY AND TONIGHT AS A LOW PRESSURE SYSTEM TRACKS ACROSS THE UPPER MIDWEST AND ITS ASSOCIATED COLD FRONT MOVES THROUGH CENTRAL INDIANA.
/issued 355 AM CST WED DEC 16 2015/ This morning an upper trough extends from a low over SD back across NM. This trough will swing across the area today with high pressure aloft building in behind it.
541 AM EST WED DEC 16 2015 HIGH PRESSURE WILL BRING CLEARING WITH WARMING TEMPERATURES LATER TODAY. A COLD FRONT WILL BRING RAIN TONIGHT AND THURSDAY. THIS WILL BRING FAIRLY WIDESPREAD RAIN OVERNIGHT BUT WITH MODEST QPF WITH BEST LIFT AND DEEP MOISTURE TOWARD THE RIDGES AS LOW PRESSURE DEVELOPS ACROSS THE MID ATLANTIC COAST. LOW PRESSURE WILL MOVE TO THE JERSEY SHORE THURSDAY WITH RAIN DIMINISHING WEST TO EAST AS THE DAY PROGRESSES. SHOWERS WILL LINGER ACROSS THE RIDGES THURSDAY EVENING BEFORE ENDING. COLDER AND DRIER AIR WILL WORK IN THURSDAY NIGHT AS A TROUGH BEGINS TO DEEPEN INTO THE GREAT LAKES.
SUNNY AND A BIT WARMER DURING THE DAY TODAY AS HIGH PRESSURE BEGINS TO SLOWLY BUILD INTO COASTAL CALIFORNIA.
528 AM CST WED DEC 16 2015 NORTHWEST WINDS FOLLOWING LAST NIGHT/S COLD FRONT MAY VEER SLIGHTLY TO A MORE NORTHERLY DIRECTION LATER TODAY. WE WILL SEE A BRIEF RETURN TO SOUTHEAST WINDS THURSDAY BEFORE ANOTHER COLD FRONT PUSHES THROUGH THE AREA. /ISSUED 335 AM CST WED DEC 16 2015/ A STRONG UPPER LOW WILL LIFT TOWARD THE GREAT LAKES TODAY AND ALLOW COOL AND DRY TO FILTER INTO THE SOUTHERN PLAINS. A SECONDARY UPPER TROUGH WILL COME IN BEHIND THE DEPARTING UPPER LOW AND TRANSLATE ACROSS THE SOUTHWESTERN U. LOW LEVEL COLD AIR ADVECTION WILL RESULT IN A MUCH COOLER DAY ACROSS THE REGION WITH AFTERNOON HIGHS FROM THE LOWER 50S IN THE NORTHWEST TO AROUND 60 IN THE SOUTH. AN AMPLIFIED RIDGE OF HIGH PRESSURE WILL BUILD ACROSS THE WESTERN U.
TODAY THROUGH THURSDAY NIGHT UPPER LOW IS OVER NORTHEASTERN NE/SOUTHEASTERN SD. LOW PRESSURE SYSTEM WILL MOVE NORTHEASTWARD INTO MN BY THIS AFTERNOON. BEHIND THE LOW.
552 AM CST WED DEC 16 2015 Low pressure moving through the upper Midwest with a trailing cold front moving through our area over the next few hours will push showers now over our eastern cwfa off to the east. Clouds will linger a bit in some areas but in general drier and cooler/colder air will move in on gusty southwest and west winds.
WEAK HIGH PRESSURE BUILDS IN BEHIND THE CDFNT FOR TOMORROW WITH MORE SEASONAL TEMPERATURES EXPECTED. WITH LOWS FRI NIGHT/SAT AM NEARING THE FREEZING MARK OVER INTERIOR EAST TX/CENTRAL LA.
IT WAS EXITING THE MEAN TROF AND WILL CONT NE INTO MN TODAY. A BROAD TROF WILL REMAIN OVER THE PLAINS IN ITS WAKE. THIS TROF WILL DIVE SSE THRU THE WRN USA AND WILL BE OVER CO/NM BY SUNRISE THU. P/CLOUDY N AND E WHERE SUBSTANTIAL STRATOCU WILL FORM WITHIN THE THERMAL TROF. BUT MULTI-LAYERED MID-HIGH CLOUDS WILL INVADE FROM THE W AFTER MIDNIGHT WITH THE APPROACHING TROF.
SHALLOW TROUGHING OVER TX WILL LEAD TO ABOVE NORMAL HIGHS AND BELOW NORMAL MINS FOR THE MOST PART THROUGH THURSDAY. AND MORE FREEZING TEMPS OVER THE HILL COUNTRY FOR THURSDAY MORNING.
DRYING ARRIVES ON THURSDAY AS AN UPPER LEVEL RIDGE BUILDS INTO WESTERN MONTANA.
441 AM CST WED DEC 16 2015 COLD FRONT CONTINUES STEADY EWD PROGRESS THROUGH THE REGION THIS MORNING AS IT EXTENDS ALONG A LINE FROM NEAR ELD TO SHV AND OCH.
559 AM EST WED DEC 16 2015 A COLD FRONT WILL MOVE ACROSS THE REGION LATE TODAY AND EARLY TONIGHT. SKIES WILL BECOME CLOUDY WITH SHOWERS DEVELOPING AHEAD OF THE FRONT WITH HIGHS IN THE LOW TO MID 50S. LOWS TONIGHT WILL BE IN THE LOW TO MID 30S.
WIDESPREAD FREEZING TEMPERATURES THIS MORNING AND THURSDAY A COLD AIRMASS WILL REMAIN IN PLACE THROUGH THURSDAY KEEPING HIGH TEMPERATURES BELOW SEASONAL NORMALS. AND WIDESPREAD FREEZING TEMPERATURES IN THE MORNING ACROSS ARIZONA LOWER DESERT COMMUNITIES.
A significant, if quite transient, pattern shift will take place tonight into Thursday, as we finally break the upper ridge over the southeast CONUS. Main challenge will be precip chances and timing late today through Thursday morning as a cold front moves into the Ohio Valley. Closed and nearly stacked low is over eastern Nebraska, with the cold front arcing ahead of it and extending roughly along the I-35 corridor from Iowa into Kansas. The low will lift NE toward Lake Superior today, while the front pushes into the Ohio Valley tonight, where it will be hung up sitting parallel to the flow aloft. Have opted to lean on the slower solutions of the higher-resolution models, with chance POPs just creeping into our western counties late this afternoon.
WARM FRONTAL RAIN WILL PERSIST THROUGH THURSDAY AS MOIST, ONSHORE FLOW BLASTS THE PACIFIC NORTHWEST.
RAIN SHOWERS WILL BE POSSIBLE TODAY AND TONIGHT AS A LOW PRESSURE SYSTEM TRACKS ACROSS THE UPPER MIDWEST AND ITS ASSOCIATED COLD FRONT MOVES THROUGH CENTRAL INDIANA.
629 AM EST WED DEC 16 2015 HIGH PRESSURE WILL BRING CLEARING WITH WARMING TEMPERATURES LATER TODAY. A COLD FRONT WILL BRING RAIN TONIGHT AND THURSDAY. THIS WILL BRING FAIRLY WIDESPREAD RAIN OVERNIGHT BUT WITH MODEST QPF WITH BEST LIFT AND DEEP MOISTURE TOWARD THE RIDGES AS LOW PRESSURE DEVELOPS ACROSS THE MID ATLANTIC COAST. LOW PRESSURE WILL MOVE TO THE JERSEY SHORE THURSDAY WITH RAIN DIMINISHING WEST TO EAST AS THE DAY PROGRESSES. SHOWERS WILL LINGER ACROSS THE RIDGES THURSDAY EVENING BEFORE ENDING. COLDER AND DRIER AIR WILL WORK IN THURSDAY NIGHT AS A TROUGH BEGINS TO DEEPEN INTO THE GREAT LAKES.
WIDESPREAD FREEZING TEMPERATURES THURSDAY MORNING. AND WIDESPREAD FREEZING TEMPERATURES IN THE MORNING ACROSS ARIZONA LOWER DESERT COMMUNITIES.
THE RIDGE AND MOUNTAINS ARE WARMING UP QUICKLY ABOVE THIS LAYER WITH AN AMPLE SUPPLY OF INSOLATION. SHOWERS AND A COUPLE OF THUNDERSTORMS ARE MOVING ACROSS WESTERN PORTIONS OF THE STATE AS A COLD FRONT APPROACHES THE MISSISSIPPI RIVER. CHATTANOOGA AIRPORT, TN 67 52 59 35 / 10 100 70 10 KNOXVILLE MCGHEE TYSON AIRPORT, TN 65 51 56 35 / 10 100 100 10 OAK RIDGE, TN 64 50 56 36 / 10 100 90 10 TRI CITIES AIRPORT, TN 65 48 57 34 / 10 90 100 10.
403 AM MST WED DEC 16 2015 THE SHORT TERM PERIOD STARTS WITH AN UPPER LEVEL TROUGH CARVED OUT ACROSS THE WESTERN US WITH RIDGING ACROSS THE EASTERN US. WITHIN THE TROUGH. ISOLATED HIGHER AMOUNTS UP TO 4 INCHES WILL BE POSSIBLE IN THE HIGHER TERRAIN OF CENTRAL AND SW MT AND IN THE FAVORED UPSLOPE AREAS ALONG THE ROCKIES/LITTLE BELTS/HIGHWOODS. AN UPPER LEVEL RIDGE BUILDS IN BRIEFLY ON THURSDAY WITH MOSTLY DRY CONDITIONS EXPECTED.
A WARM FRONT WILL SPREAD RAIN TO THE AREA LATE TONIGHT INTO THURSDAY NIGHT. THIS WARM FRONT WILL LIKELY PRODUCE HEAVY SNOW IN THE CASCADES THROUGH THURSDAY NIGHT.
426 AM MST WED DEC 16 2015 THE SHORT TERM PERIOD STARTS WITH AN UPPER LEVEL TROUGH CARVED OUT ACROSS THE WESTERN US WITH RIDGING ACROSS THE EASTERN US. WITHIN THE TROUGH. ISOLATED HIGHER AMOUNTS UP TO 4 INCHES WILL BE POSSIBLE IN THE HIGHER TERRAIN OF CENTRAL AND SW MT AND IN THE FAVORED UPSLOPE AREAS ALONG THE ROCKIES/LITTLE BELTS/HIGHWOODS. AN UPPER LEVEL RIDGE BUILDS IN BRIEFLY ON THURSDAY WITH MOSTLY DRY CONDITIONS EXPECTED.
Beyond that high pressure at the surface should keep the region dry through the rest of the period.
MODELS CONTINUE TO SHOW A TRAJECTORY SOUTH OF THE MID-STATE BUT IT SEEMS THAT THE LOW WILL PASS CLOSE ENOUGH TO US THAT IS WILL WARRANT ADDING A SLIGHT CHANCE OF THUNDER TO THE GRIDS FOR THIS EVENING. RAINS WITH MOST OF THE ACTION TONIGHT AS THE LOW NEARS THE STATE.
A WARM FRONT WILL TRY TO LIFT NORTHWARD LATE TONIGHT AS A SURFACE WAVE DEVELOPS ALONG A COLD FRONT THAT WILL SWEEP THROUGH THE STATE BEGINNING SHORTLY AFTER MIDNIGHT THURSDAY MORNING. THE COLD FRONT WILL PUSH EAST OF THE CWA BY NOON THURSDAY WITH COLDER AND DRY AIR MOVING IN BEHIND IT.
LIGHT SE WINDS WILL BECOME WEST THEN NORTH AS THE SHOWERS AND COLD FRONT MOVES THROUGH. WEAK HIGH PRESSURE BUILDS IN BEHIND THE CDFNT FOR TOMORROW WITH MORE SEASONAL TEMPERATURES EXPECTED. WITH LOWS FRI NIGHT/SAT AM NEARING THE FREEZING MARK OVER INTERIOR EAST TX/CENTRAL LA.