Aikyam-Lab/Synoptic-Bench huggingface dataset:
338 AM MDT THU APR 30 2015 HIGH PRESSURE RIDGE ALOFT STILL IN CONTROL OVER COLORADO EARLY THIS MORNING BUT WE ARE LOOKING FOR A CHANGE IN THE WEATHER BY LATER THIS AFTERNOON AND TONIGHT. AN UPPER LEVEL TROF AND COLD FRONT WILL MOVE ACROSS NORTHERN COLORADO LATER THIS AFTERNOON AND NIGHT WITH AN INCREASE CHANCE FOR SHOWERS AND THUNDERSTORMS. EXPECTING THE CLOUDS TO STICK AROUND FOR MOST OF THE DAY TO PRODUCE A COOLER DAY.
SOUTH WINDS WILL ALSO INCREASE THIS AFTERNOON AS THE PRESSURE GRADIENT TIGHTENS AHEAD OF AN APPROACHING COLD FRONT. WILL ALSO BE WATCHING A COLD FRONT MOVING INTO THE WESTERN CWA LATE THIS AFTERNOON.
MAX TEMPS WILL BE APPROX 5 TO 8 DEGREES WARMER TODAY THAN YESTERDAY AS H85 TEMPS INCREASE. AND EVEN WARMER ON FRIDAY.
HAVE UPDATED TO RAISE RAIN CHANCES IN THE VICINITY OF THE MAIN BAND OF RAIN AHEAD OF THE UPPER LOW. FORECAST PERIOD TO BEGIN WITH DEPARTING UPPER LOW SOUTH OF THE CWA SHEARING OUT AND SLIDING TOWARD THE MID ATLANTIC COAST. 120M HEIGHT RISES IN ITS WAKE THURSDAY NIGHT AS SHORT WAVE RIDGING QUICKLY FILLS IN BEHIND AND SETS THE STAGE FOR A NOTICEABLE WARMING TREND INTO THE WEEKEND.
151 AM EDT THU APR 30 2015 WEAK HIGH PRESSURE BUILDS DOWN FROM SOUTHEASTERN CANADA THROUGH TONIGHT. LOW PRESSURE PASSES WELL SOUTH AND EAST OF THE AREA ON FRIDAY. HIGH PRESSURE OVER THE OHIO VALLEY SLOWLY BUILDS EAST AND WILL MOVE OVER THE AREA FOR THE WEEKEND. A COLD FRONT APPROACHES THE AREA EARLY IN THE NEW WEEK. TODAY WILL BE A COOLER DAY DUE AN EAST FLOW AND PARTLY TO MOSTLY CLOUDY CONDITIONS. UPPER TROUGH REMAINS OVER THE NORTHEAST FOR THE END OF THE WEEK AND START OF THE WEEKEND.
THE BASE OF THE ELONGATED MID TO UPPER LEVEL TROUGH SHEARS OR DAMPENS OUT AS IT PASSES TO THE EAST AS A STRONG UPPER RIDGE BUILDS IN FROM THE WEST TODAY AND FRIDAY. MODELS DO INDICATE SOME INCREASE IN MID LEVEL CLOUDINESS AS THE COOL POOL WITHIN THE BASE OF THE TROUGH APPROACHES BUT WILL MAINTAIN MOSTLY SUNNY TO PARTLY CLOUDY CONDITIONS THROUGH THE PERIOD. EVEN AS THE UPPER RIDGE BUILDS OVERHEAD FRIDAY 850 TEMPS ONLY RISE ARE NOTED BETWEEN 12-15C DEGREES WHICH IS BELOW THE 25 PERCENTILE FOR END OF APRIL/EARLY MAY.
358 AM CDT THU APR 30 2015 SOUTHERLY SURFACE WINDS ON THE BACKSIDE OF A RETREATING RIDGE OF HIGH PRESSURE HAS KEPT TEMPERATURES EARLY THIS MORNING HAS KEPT TEMPERATURES FROM FALLING BELOW THE MID 40S. SO EXPECT TEMPERATURES TO BE A FEW DEGREES WARMER TODAY. WITH HIGHS RANGING FROM THE UPPER 70S TO THE LOWER 80S. MAINLY CLEAR SKIES AND LIGHT SOUTHERLY WINDS TONIGHT WILL LEAD TO OVERNIGHT LOWS FALLING INTO THE MID 40S TO THE LOWER 50S.
528 AM EDT THU APR 30 2015 PERSISTENT LOW PRESSURE SHIFTS EAST OUT OF THE CANADIAN MARITIMES TODAY AND TONIGHT.
HIGH PRESSURE WILL BRING ABOVE NORMAL TEMPERATURES AND FAIR SKIES INTO FRIDAY. MAX TEMPS WILL BE SIMILAR TO YDY THE BIG QUESTION MARK WILL BE THE AREA WITHIN 5 MILES OF THE COAST WHERE SEA BREEZE EFFECTS WILL BE THE DOMINATE PLAYER LIKELY SOME AREAS WILL BE WARMER AND SOME COOLER. IF THE NAM IS CORRECT THE CENTRAL COAST WILL BE WARMER WITH BETTER OFFSHORE FLOW.
AN UPPER LEVEL LOW WILL BRING COLD TEMPERATURES ALOFT THAT WILL CREATE INSTABILITY FOR SHOWERS AT TYS AND SOME THUNDERSTORMS AT TRI IN THE AFTERNOON.
400 AM EDT THU APR 30 2015 THE VIEW OF THE GULF OF MEXICO FROM A SATELLITE REFERENCE FRAME SHOWS THE LINGERING TROUGH FROM THE YUCATAN ACROSS FLORIDA AND NORTH OF THE BAHAMAS. THE LINGERING TROUGH SHOWS SIGNS OF REACTIVATING WITH SEVERAL BOUNDARIES COMING TO LIFE MAINLY SOUTH OF THE ISLAND CHAIN. THE JET WILL GRADUALLY MOVE EASTWARD WHILE AN UPPER LOW MOVES SOUTHEAST ACROSS THE MID ATLANTIC COAST ON FRIDAY. AS THE UPPER LOW MOVES OFF THE COAST.
329 AM CDT THU APR 30 2015 A RIDGE OF HIGH PRESSURE WILL PROVIDE THE NORTHLAND WITH DRY WEATHER TODAY. WE HAVE THE HIGHEST POPS OVER THE FAR WEST AND LOWEST EAST.
1144 PM MDT WED APR 29 2015 UPPER RIDGE OVER THE AREA TODAY HAS SUPPRESSED CONVECTION OVER THE AREA. A FRONTAL PUSH OVER THE PLAINS WILL LEAD TO SLIGHTLY COOLER WX ON FRIDAY. FORMING OVER THE HIGHER TRRN AND SHIFTING TO THE PLAINS IN THE EVENING.
High temperatures today will be very near seasonal normals for this time of year with the mercury topping out in the lower 80s areawide.
An unseasonably cold upper low will drop from southwest Michigan to northern Kentucky today, with 5H temps of -25 to -28C and 7H temps of -8 to -10C moving overhead this afternoon. For now will go cooler than yesterday with that upper low coming in, with low to mid 60s. The showers will quickly dissipate this evening as the sun sets and high pressure begins to build in from the northwest.
SHORT RANGE MODELS INDICATE AN UPPER LEVEL RIDGE OF HIGH PRESSURE SHIFTING SLOWLY EAST ACROSS THE WESTERN HIGH PLAINS TONIGHT AND THURSDAY. ALONG WITH MUCH DRIER AIR IN THE LOWER/MID LEVELS AND A WEAK FLOW ALOFT, PRECIP WILL REMAIN ABSENT ACROSS SOUTHWEST AND CENTRAL KANSAS THROUGH LATE THURSDAY AFTERNOON. THE LEE SIDE TROUGH WILL STRENGTHEN THURSDAY, FURTHER ENHANCING WARM AIR ADVECTION INTO WESTERN KANSAS WITH H85 TEMPERATURES WELL ABOVE 15C ACROSS CENTRAL KANSAS TO A LITTLE ABOVE 20C NEAR THE COLORADO BORDER.
321 AM EDT THU APR 30 2015 PERSISTENT LOW PRESSURE SHIFTS EAST OUT OF THE CANADIAN MARITIMES TODAY AND TONIGHT.
With these conditions in place low temperatures should bottom out in the low/mid 40s. As the mid-level ridge, which is currently stretching across the Rockies and High Plains, advances eastward into the central U. With essentially the same airmass in place as the last couple of days, expect similar high temperatures for today but possibly a degree or two warmer into the middle 70s. Despite skies remaining mostly clear tonight, these southeasterly winds will help to keep temperatures a couple of degrees warmer with lows in the mid/upper 40s and possibly even near 50 degrees across far north central Kansas.
AS LOW PRESSURE DROPS SOUTH ACROSS THE MIDDLE OHIO RIVER VALLEY. THE REMAINDER OF THE SHORT TERM LOOKS DRY AS TROFFING IN THE UPPER ATMOSPHERE TRANSITIONS TO A NORTHWESTERLY FLOW ALOFT. IN RESPONSE TO THE LOW PUSHING OFF TO THE EAST AND WEAK TELECONNECTED RIDGING TO OUR WEST. RIDGING ACROSS THE SOUTHERN U. AS THE FLOW PATTERN TRANSITIONS TO LONG WAVE TROFFING OVER THE WEST. AND RIDGING OVER THE EAST. SCT-BKN MID AND HIGH CLOUDS WILL IMPACT THE FA TODAY AS AN UPPER LEVEL LOW PRESSURE SYSTEM BARRELS SOUTHWARD ACROSS THE MIDDLE OHIO RIVER VALLEY. PCPN CHANCES WILL WANE OVERNIGHT AS THE LOW MOVES AWAY AND CLOUDS DIMINISH.
UPPER RIDGE WILL FLATTEN AS AN UPPER TROUGH APPROACHES THE REGION. AS THE UPPER TROUGH MOVES THROUGH THE REGION THERE WILL BE SHOWERS.
1219 AM CDT THU APR 30 2015 FOR 06Z TAFS /ISSUED 905 PM CDT WED APR 29 2015/ FORECAST IS ON TRACK TONIGHT WITH AN UPPER LOW CONTINUING TO PASS THROUGH THE FORECAST AREA OVERNIGHT. DRY CONDITIONS EXPECTED WITH NO CHANGES TO THE LOW TEMPS. A POTENT UPPER LEVEL LOW WILL DROP SOUTH INTO EASTERN KY AND TN THURSDAY AFTERNOON BRINGING A COLD FRONT AND WINDY CONDITIONS TO THE REGION.
309 AM CDT THU APR 30 2015 WEAK UPPER LEVEL RIDGING WILL PREVAIL OVER THE REGION INTO THE WEEKEND AND RESULT IN TRANQUIL AND PLEASANT WEATHER CONTINUING.
314 AM CDT THU APR 30 2015 SOUTHERLY WINDS HAVE RETURNED TO THE FORECAST AREA AND 2 AM TEMPERATURES ARE RUNNING ABOUT 10 DEGREES WARMER THAN LAST NIGHT. AN UPPER RIDGE WILL BUILD INTO THE SRN ROCKIES BRINGING HEIGHT RISES TO WEST TEXAS WHILE NRLY FLOW ALOFT IS MAINTAINED. SURFACE LEE-TROUGHING WILL CONTINUE ACROSS THE AREA BRINGING MODEST SRLY BREEZES. WITH RIDGING OVERHEAD TO FINISH OUT THIS WEEK.
CLEARING SKIES AFTER SUNRISE WITH MUCH DRIER AND SEASONABLY COOLER TEMPERATURES INTO THE WEEKEND. THE TRAILING PLUME OF LOW LEVEL MOISTURE WILL SHIFT SOUTH OF THE AREA WITH CESSATION OF THE LIGHT RAINFALL FROM NW TO SE AND GRADUAL EROSION OF THE LOW CLOUD DECK. MINS TEMPS WERE ON TRACK TO FALL INTO THE MID 50S NEAR THE ALTAMAHA TO THE LOW/MID 60S ACROSS OUR SOUTHERN FL ZONES. A DRY COLD FRONT WILL PUSH SOUTH OF THE AREA OVERNIGHT WITH A FEW PASSING LOW CLOUDS. DRY AND COOLER NNW FLOW IN THE LOWER LEVELS WILL ENABLE MIN TEMPS TO FALL INTO THE LOW/MID 50S INLAND TO NEAR 60 ALONG THE ATLANTIC COAST. COOLER AND BREEZY AHEAD OF A YET ANOTHER DRY REINFORCING BACKDOOR COLD FRONT THAT WILL PUSH SOUTH OF THE AREA FRI NIGHT.
338 AM EDT THU APR 30 2015 AN UPPER LEVEL LOW PRESSURE SYSTEM OVER THE MIDWEST WILL DROP SOUTH TO THE CAROLINA COAST BY FRIDAY.
207 AM EDT THU APR 30 2015 A POTENT UPPER LOW WILL MOVE SOUTH ACROSS THE AREA LATE TONIGHT INTO THURSDAY. AND COOLER TEMPERATURES. HIGH PRESSURE WILL BUILD BACK INTO THE REGION FOR THE FIRST PART OF THE WEEKEND. SHOWERS SHOULD INCREASE IN COVER WITH THE HIGHEST CHANCES IN THE EAST/SOUTH. IT WILL BE COOLER GIVEN CLOUDS AND THE THREAT FOR PCPN. WARMER TEMPERATURES ALOFT ALONG WITH MORE SUN WILL ALLOW TEMPERATURES TO WARM BACK INTO THE MID AND UPPER 60S.
PRIMARILY TO THE HIGHER TERRAIN OF THE SOUTHERN GREAT BASIN AND SIERRA.
UPPER LEVEL RIDGE AXIS IS NOW SHIFTING INTO CENTRAL ARIZONA WITH THE WARMEST AIR OF THE YEAR AFFECTING THE REGION OVER THE NEXT COUPLE DAYS. 500MB HEIGHTS NEAR 580DM WILL PERSIST THROUGH FRIDAY WHILE 850MB TEMPERATURES NEAR 24C ALLOW FOR AFTERNOON HIGHS OF AROUND 100 DEGREES OVER THE LOWER DESERTS TODAY AND FRIDAY. A WEAK UPPER TROUGH IS APPROACHING THE SOUTHERN CALIFORNIA COAST WHILE ALSO BRINGING SOME HIGH CIRRUS INTO OUR WESTERN ZONES. AM EXPECTING THIS HIGH CIRRUS TO GRADUALLY OVERTAKE THE REST OF THE AREA LATER TODAY INTO FRIDAY.
310 AM MDT THU APR 30 2015 A RIDGE WILL RESIDE OVER THE ROCKIES/PLAINS TONIGHT AND THURSDAY.
ALTHOUGH WE WILL BE SITUATED IN THE WAKE OF A COLD FRONT, THE SUNNY SKIES AND DEEP MIXING TODAY SHOULD LEAVE HIGHS CLOSE TO WHAT WE EXPERIENCED YESTERDAY IN OUR FLORIDA ZONES - AROUND 80 DEGREES - BUT WARMER IN SOUTHEAST ALABAMA AND SOUTHWEST GEORGIA - IN THE MID TO UPPER 70S.
250 AM CDT THU APR 30 2015 PCPN CHANCES BEGINNING LATE TONIGHT AND INTO THIS WEEKEND REVOLVING AROUND PAC NW TROF MOVING ALONG THE U. /CAN BORDER AND RELATIVELY WEAK COLD FRONT.
1124 PM MDT WED APR 29 2015 A RIDGE WILL RESIDE OVER THE ROCKIES/PLAINS TONIGHT AND THURSDAY.
The amplified pattern across the country today continues to leave the Lower Missouri River Valley under the influence of some lovely spring weather as the meridional flow keeps dry air and seasonally normal temperatures in place through the rest of the week. Thursday may see temperatures dip a couple of degrees comparatively as the meridional flow, and low pressure system digging south through the Great Lakes, advects in a slightly cooler airmass. But, the idea is that the Canadian trough will induce enough lift through WAA and isentropic assent to pull some Gulf moisture north into eastern Kansas and Missouri in order to generate some storms Friday afternoon and/or evening.
EARLY THIS AFTERNOON THE COLD FRONT EXTENDED FROM NWRN MT INTO CENTRAL ID. THIS COLD FRONT WILL CONTINUE MOVING EWD AND ENTER OUR NWRN ZONES THIS EVENING AND ENTER INTO OUR CENTRAL ZONES THURSDAY MORNING WITH SOME GUSTY NORTH WIND. COOLER BEHIND THE COLD FRONT BY 10-15 DEGREES.
520 AM CDT THU APR 30 2015 HIGH PRESSURE ON THE SURFACE AND ALOFT CONTINUED TO SPREAD OVER THE FOUR STATE REGION PROVIDING COOL TEMPERATURES AND DRY CONDITIONS. AROUND THE EASTERN PERIPHERY OF THE UPPER RIDGE. A CLOSED UPPER LOW PRESSURE SYSTEM WILL DRIVE SOUTH ACROSS THE GREAT LAKES AND INTO THE OHIO AND EASTERN TENNESSEE VALLEY. PROVIDING A DRY BACK DOOR COLD FRONT TO MOVE ACROSS THE FOUR STATE AREA. THE RETURNING MOISTURE FROM THE SOUTHERLY WINDS WILL COMBINE WITH DISTURBANCES ASSOCIATED WITH UPPER LEVEL SHORT WAVES IN THE NORTHERN STREAM AND A CLOSED LOW MOVING IN ACROSS THE WESTERN AND SOUTHWEST PARTS OF THE COUNTRY TO BREAK DOWN OUR RIDGE OF HIGH PRESSURE ALOFT AND SHIFTING IT EAST.
MAIN FOCUS IS ON POTENTIAL FIRE WEATHER CONDITIONS AHEAD OF THE WEAK TROF THAT QUICKLY PASSES ACROSS THE CWA LATE THURSDAY/EARLY FRIDAY. AS HIGH PRESSURE RETREATS TO THE EAST. HIGHER MIXED DEWPOINT AIR WILL ALSO MOVE IN AHEAD OF THE SURFACE TROF.
A WEAK UPPER TROUGH WILL MOVE ACROSS BRITISH COLUMBIA TODAY AND FRIDAY.
THE MIDSOUTH REMAINS UNDERNEATH THE BROAD UPPER TROF THAT IS CURRENTLY LOCATED OVER THE EASTERN UNITED STATES. AN UPPER LEVEL LOW WILL ROTATE OUT OF THE GREAT LAKES INTO THE TENNESSEE VALLEY TODAY INTO THIS EVENING. SHOWERS ASSOCIATED WITH THE UPPER LOW ARE CURRENTLY OCCURRING OVER CENTRAL ILLINOIS INTO SOUTHERN INDIANA. A COLD FRONT STRETCHES FROM MID OHIO TO CENTRAL MISSOURI. COOLER AND DRIER AIR WILL FILTER INTO THE AREA TONIGHT BEHIND THE COLD FRONT. COOL HIGH PRESSURE WILL SETTLE OVER THE MIDSOUTH ON FRIDAY. EXPECT HIGHS RANGING FROM THE UPPER 60S TO THE LOWER 70S.
A WEAK COLD FRONT WILL STALL OUT ACROSS NORTHERN CALIFORNIA TONIGHT AND FRIDAY AND BRING A CHANCE OF LIGHT PRECIPITATION MAINLY NORTH OF FRESNO COUNTY.
GENERALLY ALONG THE HIGHWAY 2 CORRIDOR AND EITHER SIDE OF THAT LINE.
306 PM MST THU MAR 3 2016 UPPER RIDGE DRIFTS EASTWARD ACROSS THE AREA OVERNIGHT. THOUGH A FEW SPOTS IN THE LEE OF THE EASTERN MOUNTAINS/WEST OF I25 WILL LIKELY STAY RATHER MILD WITH TEMPS REMAINING ABOVE FREEZING INTO FRI MORNING. PUSHING A RATHER WEAK COLD FRONT SOUTH THROUGH THE PLAINS AROUND MIDDAY.
High pressure continues to move across the Central and Southern Plains this evening. Underneath high pressure. light winds and some passing high clouds are expected to remain over the CWA as high pressure pushes through and exits off to the east and southeast. Behind the exiting high pressure. breezy southerly winds quickly return Friday which will usher in warmer temperatures and continued low relative humidities. with the higher dangers along and west of highway 75 in Northeast Oklahoma.
/issued 204 PM CST THU MAR 3 2016/ Upper ridge over the Intermountain west today will slowly flatten out as it translates east the next several days.
658 PM EST THU MAR 3 2016 A LOW PRESSURE SYSTEM WILL CROSS THE REGION TONIGHT. COOLER AND DRIER AIR WILL BUILD INTO THE REGION FRIDAY INTO THE WEEKEND. CATEGORICAL POPS IN ORDER AS THE LOW PRESSURE OVER THE GULF COAST STATES PUSHES EAST.
AN AREA OF HIGH PRESSURE WILL NOSE INTO THE REGION TONIGHT AND WITH LIGHT WINDS AND MOSTLY CLEAR SKIES. LOWS WILL LIKELY FALL BELOW FREEZING ACROSS MUCH OF THE AREA. AHEAD OF THE COLD FRONT. A RIDGE OF HIGH PRESSURE WILL SETTLE SOUTH ACROSS THE REGION AGAIN ON FRIDAY NIGHT RESULTING IN ANOTHER COOL NIGHT WITH LOWS IN THE LOWER 30S FOR MOST LOCATIONS.
NORTHWEST WINDS BEHIND THE COLD FRONT BLOWING AT 15 TO 20 MPH ACROSS MOST LOCATIONS WITH GUSTS APPROACHING 35 AT TYLER AND LONGVIEW.
1048 PM EST THU MAR 3 2016 THE AVIATION SECTION HAS BEEN UPDATED BELOW RAIN AND SNOW WILL END TONIGHT AS A TROUGH MOVES AWAY.
WITH THE HIGHEST CONCENTRATION OF LIGHTNING OCCURRING JUST SOUTH OF THE CWA.
720 PM EST THU MAR 3 2016 AN AREA OF LOW PRESSURE WILL MOVE OFF TO THE EAST TONIGHT. WEAK HIGH PRESSURE WILL BUILD IN FOR FRIDAY.
/ISSUED 247 PM CST THU MAR 3 2016/ High pressure settles over the area tonight but quickly translates eastward with southerly winds returning tomorrow.
631 PM EST THU MAR 3 2016 COLD HIGH PRESSURE IN PLACE WILL KEEP TEMPERATURES COLD THE REST OF TODAY AND OVERNIGHT. HIGH PRESSURE WILL THEN RETURN FOR THE WEEKEND INTO THE BEGINNING OF THE WEEK. BUT WILL SEE SOME CLOUDS ACROSS OUR SOUTHERN ZONES AS A LOW PRESSURE SYSTEM PASSES WELL OFF THE COAST OF NEW ENGLAND ON FRIDAY. TEMPERATURES ON FRIDAY WILL BE WARMER THAN TODAY. THE WEEKEND SHOULD BE FAIRLY BENIGN AS HIGH PRESSURE DOMINATES THE FORECAST FOR THE REST WEEK HEADED INTO THE WEEKEND.
952 PM EST THU MAR 3 2016 AN AREA OF LOW PRESSURE WILL MOVE OFF TO THE EAST TONIGHT. WEAK HIGH PRESSURE WILL BUILD IN FOR FRIDAY.
A WEAK WAVE WILL DROP OUT OF MONTANA WITH WARM ADVECTION CREATING AN ABOVE FREEZING LAYER OVER THE CWA. TEMPERATURES ARE STILL EXPECTED TO DROP CLOSE TO/BELOW FREEZING. THUS ANTICIPATE THERE MAY BE A BRIEF/LOCALIZED AREA OF A FEW HUNDREDTHS OF FREEZING RAIN.
SHORT WAVE UPPER LEVEL RIDGE WILL MOVE OVER THE AREA TONIGHT AHEAD OF ANOTHER UPPER LEVEL TROUGH NOW OVER SOUTHERN BC/SOUTHERN ALTA. UPPER TROUGH WILL MOVE ACROSS THE NORTHERN PLAINS FRI AND PRODUCE LIGHT SNOW MAINLY OVER THE NORTHEAST ZONES. SOME WARM AIR ALOFT COULD PRODUCE SOME LIGHT FREEZING PRECIP. FOR NOW WILL MAKE IT FREEZING DRIZZLE AS MOST OF THE VERTICAL MOTION IS ON THE WARM ADVECTION ZONE OF THE SYSTEM. ANOTHER UPPER LEVEL RIDGE WILL MOVE OVER THE AREA SAT NIGHT WITH THE UPPER LEVEL JET OVER SOUTHERN CANADA. SLOWER ECMWF ALSO HOLDS WARMER AIR LONGER INTO THE FA ALTHOUGH ALL MODELS SHOWING BEST PCPN POTENTIAL WHILE FA IS IN WARMER AIR.
RAIN AND SNOW WILL END TONIGHT AS A TROUGH MOVES AWAY.
UPPER LEVEL MOISTURE COMING UP AND OVER THE UPPER RIDGE MOVING INTO COLORADO. WILL GO WITH SOME MINOR POPS IN THE HIGH MOUNTAINS ON FRIDAY. FRIDAY'S HIGHS ARE MAYBE 1-3 COLDER WITH A SLIGHTLY COOLER AIRMASS TO MOVE IN WITH THE UPSLOPE. UPPER RIDGE WILL MOVE OVER COLORADO THIS WEEKEND WITH FLOW ALOFT BECOMING LIGHT SOUTHWESTERLY.
SENDING A WEAK WIND SHIFT OR COLD FRONT INTO OUR REGION. RELATIVELY MILD NIGHT WITH MOST LOCATIONS REMAINING NEAR OR ABOVE FREEZING. A BIT COOLER IN THE WAKE OF THE WEAK COLD FRONT OR WIND SHIFT. NOT QUITE AS MILD AS THURSDAY NIGHT WITH A COOLER AIRMASS IN PLACE.
1013 PM EST THU MAR 3 2016 LOW PRESSURE WILL WEAKEN AS IT MOVES THROUGH THE LOWER OHIO VALLEY TONIGHT. HIGH PRESSURE OVER THE WESTERN GREAT LAKES AND UPPER MIDWEST WILL BUILD EAST INTO THE REGION ON FRIDAY.
A COLD FRONT WILL MOVE INTO THE OKLAHOMA PANHANDLE TOMORROW AFTERNOON.
MOST OF THE COMPLICATIONS WITH THE FORECAST COME IN THE LOWER LEVELS. THE AXIS OF THE HIGH WILL BE RIGHT OVER CENTRAL IOWA BY 06Z THEN PRETTY MUCH EAST OF THE STATE BY 12Z. THERE IS SUBSIDENCE WITH THE HIGH AND THAT IS EVIDENT BY THE HOLES DEVELOPING IN THE STRATUS OUT WEST THIS AFTERNOON. AS THE HIGH SHIFTS OVER CENTRAL IOWA WE MAY SEE SOME OF THESE BREAKS ACROSS THE FORECAST AREA THIS EVENING. HOWEVER THE LOW LEVEL MOISTURE OVER US IS PRETTY DEEP AND WITH THE LOW LEVEL FLOW GRADUALLY TURNING SOUTHERLY AS THE HIGH SHIFTS EAST I DO NOT SEE ANY CLEARING LASTING FOR VERY LONG.
416 PM MST THU MAR 3 2016 TONIGHT HIGH PRESSURE AND DRY CONDITIONS WILL PREVAIL. THE 500 MB RIDGELINE WILL MIGRATE OVER AND EAST OF THE CWA BY THE END OF THE NIGHT. THE RIDGE IS DIRTY WITH HIGH CLOUDS AND THESE WILL SLOWLY THICKEN TONIGHT AS WELL. THESE CLOUDS WILL HELP LOW TEMPS STAY 2 TO 4 DEGREES WARMER TONIGHT COMPARED TO THIS MORNING'S LOWS. BUT HIGH CLOUDS AHEAD OF THE NEXT TROUGH WILL ALREADY BE MOVING INTO EASTERN UTAH FRIDAY NIGHT.
539 PM EST THU MAR 3 2016 SNOW IS EXPECTED WITH LOW PRESSURE TONIGHT.
MUCH DRIER AND SLIGHTLY COOLER AIR SURGING IN BEHIND THE FRONT WILL YIELD TEMPERATURES TONIGHT AND TOMORROW MUCH CLOSER TO SEASONAL NORMALS. BUT WILL LEAVE BEHIND A MORE AMPLIFIED RIDGE BY SAT NIGHT.
COLD FRONT IS THROUGH VCT AND WILL PASS THROUGH OTHER SITES WITHIN THE NEXT HOUR OR SO WITH ONLY BRIEFLY GUSTY WINDS EXPECTED. DRIER AND COOLER AIR WILL FILTER INTO THE REGION OVERNIGHT AS HIGH PRESSURE SETTLES FURTHER SOUTH. TONIGHT WILL BE MUCH COOLER WITH CAA AND LIGHT WINDS DROPPING LOWS INTO THE LOW TO MID 50S ACROSS MOST LOCATIONS OVERNIGHT. TOMORROW WILL BE A GOOD BIT COOLER THAN TODAY.
556 PM EST THU MAR 3 2016 COLD HIGH PRESSURE IN PLACE WILL KEEP TEMPERATURES COLD THE REST OF TODAY AND OVERNIGHT. HIGH PRESSURE WILL THEN RETURN FOR THE WEEKEND INTO THE BEGINNING OF THE WEEK. BUT WILL SEE SOME CLOUDS ACROSS OUR SOUTHERN ZONES AS A LOW PRESSURE SYSTEM PASSES WELL OFF THE COAST OF NEW ENGLAND ON FRIDAY. TEMPERATURES ON FRIDAY WILL BE WARMER THAN TODAY. THE WEEKEND SHOULD BE FAIRLY BENIGN AS HIGH PRESSURE DOMINATES THE FORECAST FOR THE REST WEEK HEADED INTO THE WEEKEND.
LOW PRESSURE OVER TENNESSEE VALLEY WILL CONTINUE TO MOVE QUICKLY EAST TONIGHT AND INTO THE MID ATLANTIC WATERS ON FRIDAY. THIS WILL ALLOW FOR THE ASSOCIATED COLD FRONT TO MOVE SOUTHEAST AND THROUGH SOUTH FLORIDA ON FRIDAY.
722 PM EST THU MAR 3 2016 LOW PRESSURE WILL CONTINUE TO MOVE EASTWARD THROUGH THE TENNESSEE VALLEY TONIGHT. AS A COLD FRONT MOVES SOUTHEAST FROM THE SOUTHEASTERN UNITED STATES AND INTO THE FLORIDA PENINSULA. LOW PRESSURE OVER TENNESSEE VALLEY WILL CONTINUE TO MOVE QUICKLY EAST TONIGHT AND INTO THE MID ATLANTIC WATERS ON FRIDAY. THIS WILL ALLOW FOR THE ASSOCIATED COLD FRONT TO MOVE SOUTHEAST AND THROUGH SOUTH FLORIDA ON FRIDAY.
905 PM EST THU MAR 3 2016 AN AREA OF LOW PRESSURE WILL MOVE OFF TO THE EAST TONIGHT. WEAK HIGH PRESSURE WILL BUILD IN FOR FRIDAY.
844 PM CST THU MAR 3 2016 MAIN CONCERN WILL FOCUS ON FREEZING RAIN TONIGHT. AS THIS AREA MOVES EAST TONIGHT BELIEVE SOME FREEZING RAIN WILL FALL ACROSS CENTRAL NORTH DAKOTA INTO THE JAMES RIVER VALLEY. AT THIS TIME WILL ISSUE A SPECIAL WEATHER STATEMENT HIGHLIGHTING THE EXPECTED FREEZING RAIN TONIGHT. DID GO AHEAD AND INCREASE CLOUDS FOR FRIDAY AFTERNOON CENTRAL AND EAST AS EXPECTED COLD FRONT SHOULD BRING SOME STRATUS SOUTH INTO THE STATE AS THE LATEST CONSSHORT GUIDANCE SUGGESTS. A SLIGHT CHANCE OF FREEZING RAIN TONIGHT HIGHLIGHTS THE SHORT TERM FORECAST. PRESENTING THE POTENTIAL FOR FREEZING RAIN. IN ADDITION TO IF ROAD TEMPERATURES WILL FALL FAR ENOUGH TO SUPPORT FREEZING WITH AIR TEMPERATURES AROUND FREEZING.
700 PM PST THU MAR 3 2016 A WEAK COLD FRONT WILL STALL OUT ACROSS NORTHERN CALIFORNIA TONIGHT AND FRIDAY AND BRING A CHANCE OF LIGHT PRECIPITATION MAINLY NORTH OF FRESNO COUNTY.
DID GO AHEAD AND INCREASE CLOUDS FOR FRIDAY AFTERNOON CENTRAL AND EAST AS EXPECTED COLD FRONT SHOULD BRING SOME STRATUS SOUTH INTO THE STATE AS THE LATEST CONSSHORT GUIDANCE SUGGESTS. A SLIGHT CHANCE OF FREEZING RAIN TONIGHT HIGHLIGHTS THE SHORT TERM FORECAST. PRESENTING THE POTENTIAL FOR FREEZING RAIN. IN ADDITION TO IF ROAD TEMPERATURES WILL FALL FAR ENOUGH TO SUPPORT FREEZING WITH AIR TEMPERATURES AROUND FREEZING.
Still see high rh in the lower trop suggesting a prevailing cloud cover tonight, despite some breaks in overcast starting to work into the Ozarks late this pm.
656 PM EST THU MAR 3 2016 LOW PRESSURE WILL WEAKEN AS IT MOVES THROUGH THE LOWER OHIO VALLEY TONIGHT. HIGH PRESSURE OVER THE WESTERN GREAT LAKES AND UPPER MIDWEST WILL BUILD EAST INTO THE REGION ON FRIDAY.
VFR CONDITIONS ARE IN PLACE ACROSS THE ENTIRE FORECAST AREA LATE THIS AFTERNOON AS A WEAK AND DRY COLD FRONT MOVES SOUTHWARD THROUGH DEEP SOUTH TEXAS. AS RIDGE BUILDS EASTWARD TODAY. BY TONIGHT THE NORTHEAST FLOW WILL BRING IN DRY AIRMASS WITH LOWER DEWPOINTS LIMITING THE POTENTIAL FOR FOG BUT CLOUD DECK WILL KEEP TEMPERATURES IN THE MID TO LOW 60S OVER THE RGV AND SLIGHTLY COOLER OVER THE RANCHLANDS DUE TO CLEAR SKIES. THIS WILL PROVIDE PLENTY OF SUNSHINE WITH SLIGHTLY COOLER TEMPS ACROSS THE AREA COMPARED TO WHAT WILL BE OBSERVED TODAY.
532 PM CST THU MAR 3 2016 19z/1pm surface analysis shows a 1010mb low over Arkansas, with a trough axis extending northward into central Illinois. Light rain continues to fall in the vicinity of the trough, but has now pushed mainly east of the Illinois River. As winds become northerly on the back side of the trough, the atmosphere will cool sufficiently to support a light rain/snow mix. Once the trough pushes off to the east, cloudy and cool conditions will prevail for the remainder of the night with low temperatures dropping into the upper 20s and lower 30s. High pressure will move quickly across the state Friday with partly sunny skies for the late morning and early afternoon and slightly milder temperatures.
FOR 00Z AVIATION DISCUSSION BELOW TONIGHT WILL BE QUIET AS WEAK HIGH PRESSURE MOVES OVERHEAD. CLOUD COVER WILL SLOWLY ERODE WITH TEMPERATURES WILL LIKELY FALLING INTO THE LOWER TEENS IN WC WI AS SKIES CLR. TEMPERATURES WILL HOLD STEADY IN THE LOW TO MID 30S. DUE TO TEMPERATURES NEAR OR SLIGHTLY ABOVE FREEZING ONCE THE PRECIPITATION STARTS. HIGHEST TOTALS OF 1-2 INCHES WILL OCCUR IN WC WI WHERE NO MIXTURE OF RAIN IS EXPECTED AND TEMPERATURES WILL BE CLOSER TO FREEZING.
1001 PM EST THU MAR 3 2016 THE NEAR TERM SECTION HAS BEEN UPDATED BELOW RAIN AND SNOW WILL END TONIGHT AS A TROUGH MOVES AWAY.