Aikyam-Lab/Synoptic-Bench huggingface dataset:
A COLD FRONT WILL MOVE THROUGH THE AREA LATE TONIGHT INTO FRIDAY MORNING. /ISSUED 427 AM CDT THU OCT 8 2015/ THE UPPER CLOSED LOW THAT HAS BROUGHT THE WESTERN PANHANDLES AMPLE RAIN WILL CONTINUE TO SLOWLY MOVE TO THE SOUTHWEST OVER THE COURSE OF THE DAY. EVEN THOUGH THE PANHANDLES WILL BE ON THE VERY EDGE OF IT'S INFLUENCE THE UPPER LEVEL DIVERGENCE PRODUCED BY THE CLOSED LOW WILL ALLOW FOR SHOWERS AND ISOLATED THUNDERSTORMS TO PERSIST ACROSS THE SOUTHWESTERN TEXAS PANHANDLE TODAY. A COLD FRONT IS EXPECTED TO DROP ACROSS THE PANHANDLES OVERNIGHT WITH SHOWERS AND ISOLATED THUNDERSTORMS AHEAD OF THE FRONTAL PASSAGE.
1022 AM EDT THU OCT 8 2015 THE AVIATION SECTION HAS BEEN UPDATED BELOW A COLD FRONT WILL PASS THROUGH THE AREA TONIGHT INTO FRIDAY. COOLER CONDITIONS CAN BE EXPECTED OVER THE WEEKEND. SURFACE ANALYSIS THIS MORNING SHOWS LOW PRESSURE IN PLACE OVER WRN WISCONSIN AND MINNESOTA. A COLD FRONT TRAILED TO THE SOUTHWEST.
A COLD FRONT WILL DROP SOUTH INTO THE STATE BY FRI MORNING.
1001 AM EDT THU OCT 8 2015 HIGH PRESSURE WILL EXIT THE OHIO VALLEY TODAY AND CLOUDS WILL INCREASE THROUGH THE DAY. LOW PRESSURE WILL MOVE EAST THROUGH THE GREAT LAKES AND A TRAILING COLD FRONT WILL CROSS THE OHIO VALLEY TONIGHT AND EARLY FRIDAY.
738 AM EDT THU OCT 8 2015 HIGH PRESSURE BUILDS IN FROM THE NORTHWEST TODAY THEN MOVES OFF THE COAST LATE TONIGHT AND EARLY FRIDAY. A COLD FRONT AND LOW PRESSURE AREA WILL APPROACH THE AREA THIS WEEKEND. HIGH PRESSURE PUSHES ACROSS THE FORECAST AREA TONIGHT TO NEAR THE COAST BY EARLY FRIDAY MORNING. MAIN FEATURE DURING PERIOD WILL BE NRN STREAM SHRT WV TROF DIGGING INTO AREA LATE FRIDAY. WITH SRN PORTION OF TROF BECOMING CUT OFF.
809 AM PDT THU OCT 8 2015 Low clouds and areas of fog will give away to just cloudy skies today and tonight as weak high pressure builds into the area. /Pelatti 12z TAFS: the surface layer is well saturated this morning and with upsloping flow into the higher terrain of northern Washington and Idaho expect areas of stratus and fog for KGEG/KSFF/KLWS with a mix of IFR and MVFR conditions through the morning. This will push the low level out into the basin with drying at KGEG/KSFF/KLWS between 18z-20z with VFR conditions expected for all TAF after 20z.
SURFACE ANALYSIS AND PRESSURE RISE DATA INDICATES A WEAK COLD FRONT PUSHING SOUTH ACROSS SOUTHEAST WYOMING/NEBRASKA PANHANDLE. SADDLE POINT OR COL REGION OF THE UPPER TROUGH WELL TO OUR SOUTH WAS NOW PASSING OVER NORTHEAST COLORADO. A COLD FRONT MARKED BY RESPECTABLE PRESSURE RISES ACRS SERN MONTANA AND NERN WYOMING IS PROGGED BY MOST MODELS TO SLIP INTO THE NORTHEAST CORNER OF COLORADO AROUND 21Z TODAY. THE FLOW ALOFT WILL INCREASE FROM THE NORTHWEST WHILE A WEAK WAVE RIDES OVER THE BUILDING RIDGE ALOFT.
A NORTHERN STREAM WAVE SPREADING EAST- SOUTHEASTWARD OVER THE UPPER MISSISSIPPI VALLEY WILL FORCE THE RIDGE TO DEAMPLIFY LATER TODAY. THE SURFACE COLD FRONT RELATED TO THIS FEATURE EXPECTED TO ENTER THE NORTHWEST PORTION OF THE FORECAST AREA LATE FRIDAY AFTERNOON.
950 AM EDT THU OCT 8 2015 THE NEAR TERM SECTION HAS BEEN UPDATED BELOW A COLD FRONT WILL PASS THROUGH THE AREA TONIGHT INTO FRIDAY. COOLER CONDITIONS CAN BE EXPECTED OVER THE WEEKEND. SURFACE ANALYSIS THIS MORNING SHOWS LOW PRESSURE IN PLACE OVER WRN WISCONSIN AND MINNESOTA. A COLD FRONT TRAILED TO THE SOUTHWEST.
1037 AM EDT THU OCT 8 2015 HIGH PRESSURE BUILDING INTO THE REGION WILL CONTINUE OUR STRETCH OF QUIET AND DRY WEATHER FOR TODAY BEFORE A COLD FRONT BRINGS WIDESPREAD RAIN TO THE NORTH COUNTRY LATE TONIGHT THROUGH FRIDAY. HIGH PRESSURE RETURNS FOR THE WEEKEND THOUGH, ALONG WITH TEMPERATURES NEAR SEASONAL LEVELS. STILL SEEING SOME BROKEN CLOUDS LINGERING OVER CENTRAL AND SOUTHERN VERMONT EARLY THIS MORNING BUT THE OVERALL TREND FOR TODAY WILL BE TOWARDS SUNNIER SKIES AS HIGH PRESSURE CURRENTLY OVER THE GREAT LAKES SHIFTS OVERHEAD.
ISSUED BY NATIONAL WEATHER SERVICE PHOENIX AZ 930 AM MST THU OCT 8 2015 AS A LOW PRESSURE SYSTEM PUSHES SOUTH AND THEN BACK WEST OF THE AREA. WE WILL SEE A DECREASING CHANCE OF SHOWERS ALONG WITH WARMER TEMPERATURES INTO THE WEEKEND. THE UPPER LOW WHICH HAS PLAGUED THE REGION THE PAST SEVERAL DAYS CONTINUES TO SINK SOUTH THROUGH EASTERN SONORA. WE'LL SEE SOME WRAP-AROUND INFLUENCES NORTH OF THE LOW AS OUR FLOW QUICKLY BECOMES EASTERLY TODAY AND FRIDAY. AS A STRONG WEST COAST RIDGE BUILDS INLAND. THE LOW WILL SLOWLY PUSH UNDER THE CONSOLIDATED HIGH CENTER.
12 UTC surface analysis shows our region on the southern edge of an area of high pressure across Eastern North Carolina.
905 AM EDT THU OCT 8 2015 KBYX DETECTS ISOLATED SHOWERS OVER OFFSHORE GULF OF MEXICO WATERS NORTHWEST OF THE LOWER KEYS. TEMPERATURES ARE IN THE LOWER TO MID 80S. A TROUGH OF LOW PRESSURE OVER SOUTH FLORIDA WILL SLOWLY LIFT NORTHWARD THIS AFTERNOON.
1206 PM EDT THU OCT 8 2015 HIGH PRESSURE WILL CREST OVER NEW ENGLAND LATE THIS AFTERNOON. A TROUGH OF LOW PRESSURE WILL MOVE THROUGH THE AREA ON FRIDAY ACCOMPANIED BY SHOWERS. CANADIAN HIGH PRESSURE AND DRY WEATHER WILL RETURN OVER THE WEEKEND.
950 AM EDT THU OCT 8 2015 ANOTHER WARM AND DRY DAY IN STORE BEFORE A COLD FRONT BRINGS SHOWERS AND COOLER TEMPERATURES TONIGHT THROUGH FRIDAY. SUNSHINE WILL GIVE WAY TO HIGH CLOUDS LATE TODAY AS MID AND UPPER LEVEL MOISTURE INCREASES AHEAD OF APPROACHING MID LEVEL TROUGH AND COLD FRONT. MID LEVEL TROUGH WILL DEEPEN IN THE SOUTHERN STREAM FRIDAY NIGHT AND SLOW THE FRONTS EXIT FRIDAY EVENING.
WILL FOREGO ADDING IN ANY MENTIONABLE LATER DAY/EARLY EVENING POPS TO THE LOWER MISSOURI VALLEY AT THIS TIME. HIGHS WILL REACH THE LOWER 60S NORTH TO THE LOWER 70S SOUTHEAST.
1006 AM EDT THU OCT 8 2015 HIGH PRESSURE WILL BUILD INTO THE MID-ATLANTIC TODAY. A COLD FRONT WILL CROSS THE AREA FRIDAY EVENING. HIGH PRESSURE WILL BUILD OVER THE REGION FOR THE WEEKEND.
944 AM EDT THU OCT 8 2015 HIGH PRESSURE BUILDS IN FROM THE NORTHWEST TODAY THEN MOVES OFF THE COAST LATE TONIGHT AND EARLY FRIDAY. A COLD FRONT AND LOW PRESSURE AREA WILL APPROACH THE AREA THIS WEEKEND. HIGH PRESSURE WILL CONTINUE TO INFLUENCE THE WEATHER PRODUCING FINE EARLY FALL WEATHER ACROSS EASTERN NC TODAY. HIGH PRESSURE PUSHES ACROSS THE FORECAST AREA TONIGHT TO NEAR THE COAST BY EARLY FRIDAY MORNING. MAIN FEATURE DURING PERIOD WILL BE NRN STREAM SHRT WV TROF DIGGING INTO AREA LATE FRIDAY. WITH SRN PORTION OF TROF BECOMING CUT OFF.
1225 PM EDT THU OCT 8 2015 HIGH PRESSURE BUILDS IN FROM THE NORTHWEST TODAY THEN MOVES OFF THE COAST LATE TONIGHT AND EARLY FRIDAY. A COLD FRONT AND LOW PRESSURE AREA WILL APPROACH THE AREA THIS WEEKEND. HIGH PRESSURE WILL CONTINUE TO INFLUENCE THE WEATHER PRODUCING FINE EARLY FALL WEATHER ACROSS EASTERN NC TODAY. HIGH PRESSURE PUSHES ACROSS THE FORECAST AREA TONIGHT TO NEAR THE COAST BY EARLY FRIDAY MORNING. MAIN FEATURE DURING PERIOD WILL BE NRN STREAM SHRT WV TROF DIGGING INTO AREA LATE FRIDAY. WITH SRN PORTION OF TROF BECOMING CUT OFF.
637 AM CDT THU OCT 8 2015 ANALYSIS AT 2 AM CDT DEPICTS A MODEST UPPER DISTURBANCE IN THE EASTERN DAKOTAS MOVING EAST SOUTHEAST WITH A COLD FRONT EXTENDING BACK INTO COLORADO. IN THE WAKE OF THE COLD FRONT STRATUS SHOULD COVER MUCH OF THE CWA ESPECIALLY IN THE MORNING DUE TO DECENT LOW LEVEL COLD AIR ADVECTION.
955 AM EDT THU OCT 8 2015 COOLER TEMPERATURES TODAY WITH HIGH PRESSURE RIDGING ACROSS THE REGION. THE HIGH WILL PASS TO THE EAST TONIGHT WITH INCREASING CLOUDS.
912 AM EDT THU OCT 8 2015 HIGH PRESSURE WILL BE NORTH OF THE REGION TODAY. A WEAK COASTAL TROUGH IS EXPECTED TO DEVELOP IN THIS PATTERN.
UPPER LEVEL RIDGE EXTENDS FROM SONORA STATE OF MEXICO ACROSS THE GREAT BASIN INTO BRITISH COLUMBIA WITH AN UPPER TROUGH FROM THE APPALACHIANS TO THE EAST COAST MAKES FOR A DRY NORTHWESTERLY FLOW ALOFT OVER SOUTH CENTRAL TEXAS.
Lows tonight will also be a few degrees warmer than previous nights, with temperatures expected to be in the 30s and 40s, aside from some upper 20s possible across the Marfa Plateau. As west Texas and southeast New Mexico remain under northwesterly flow aloft the next few days due to the high amplitude upper pattern in place across the CONUS, tranquil weather will continue, with dry conditions and above normal temperatures area- wide. A weak cold front will move through the area during the day on Thursday, though will only be noticeable due to a wind shift to the north and slightly cooler but still above normal temperatures in the mid 60s north to upper 70s south.
500MB RIDGE ACROSS THE WESTERN UNITED STATES AND 500MB TROUGH ACROSS THE EASTERN U.
905 AM MST WED FEB 10 2016 NORTHERN PLAINS REMAIN ON EASTERN EDGE OF WESTERN RIDGE WITH FAST NORTHWEST FLOW ALOFT. WITH UPPER RIDGE PERSISTING OVER THE WEST. FORECAST SOUNDINGS CONTINUE TO INDICATE THE POSSIBILITY OF FREEZING DRIZZLE WITH THE FOG. WITH THE POTENTIAL FOR SOME EARLY MORNING FREEZING DRIZZLE ACROSS THE FAR NORTHWEST. BUT POTENTIAL FOR FREEZING DRIZZLE LOOKS LOWER.
1034 AM MST WED FEB 10 2016 NORTHERN PLAINS REMAIN ON EASTERN EDGE OF WESTERN RIDGE WITH FAST NORTHWEST FLOW ALOFT. WITH UPPER RIDGE PERSISTING OVER THE WEST. FORECAST SOUNDINGS CONTINUE TO INDICATE THE POSSIBILITY OF FREEZING DRIZZLE WITH THE FOG. WITH THE POTENTIAL FOR SOME EARLY MORNING FREEZING DRIZZLE ACROSS THE FAR NORTHWEST. BUT POTENTIAL FOR FREEZING DRIZZLE LOOKS LOWER.
1011 AM MST WED FEB 10 2016 18Z TAF CYCLE UPPER RIDGE AXIS EXTENDING NWD THROUGH GREAT BASIN WITH NW FLOW OVR NM. SFC LEE TROUGH TO GIVE WAY TO NW-NLY WIND SHIFT NE AND EAST CENTRAL NM AFT 11/00Z. A PAIR OF BACK DOOR COLD FRONTS WILL DROP TEMPERATURES 5 TO 10 DEGREES ACROSS THE EAST FOR THE REMAINDER OF THE WEEK.
UPPER RIDGE WILL CONTINUE TO SHIFT EASTWARD TODAY BRING WARMING ALOFT. LEE TROF WILL KICK EASTWARD. THIS WILL PROMOTE GOOD MIXING AND SHOULD SEE TEMPERATURES MAX OUT IN THE LOWER 70S FOR PORTIONS OF THE SOUTHEAST PLAINS TODAY. WITH GUST POTENTIAL COMING DOWN A BIT IN THE AFTERNOON AS GRADIENT ALOFT SLACKENS WITH INCOMING RIDGE. THIS SHOULD KEEP WESTERLY DRAINAGE WINDS CONFINED TO A NARROWER RIBBON ALONG THE LOWER EASTERN SLOPES OF THE MTS. SO LOCATIONS LIKE KCOS AND KPUB MAY BE A TAD COOLER TONIGHT THAN THIS MORNING.
THE WIND SHOULD BEGIN TO DECREASE AGAIN LATE THURSDAY MORNING AS THE LOW MOVES OFF TO THE SE.
KEPT POPS SIMILAR TO THE HIGH-RES MODEL OUTPUT THAT HAVE A GOOD HANDLE ON CURRENT CONDITIONS. HOWEVER STILL EXPECT COOLER TEMPS ACROSS THE E/NE WITH THE WARMER AIR BISECTING THE CWA FROM NW TO SE THROUGH THE DAY.
301 PM EST WED FEB 10 2016 IT WILL BE COLD WITH BRISK WINDS TODAY BECAUSE OF THE FLOW BETWEEN STRONG LOW PRESSURE NEAR THE NORTHEAST COAST AND THE PRESSURE RIDGE IN THE MISSISSIPPI RIVER VALLEY. THE RIDGE WILL BE NEAR THE FORECAST AREA TONIGHT AND THURSDAY. AN AREA OF LOW PRESSURE WILL DEVELOP ALONG A WEAK FRONT JUST SOUTH OF THE FORECAST AREA LATE THURSDAY NIGHT.
1232 PM EST WED FEB 10 2016 HIGH PRESSURE BUILDING OVER THE AREA WILL KEEP THE WEATHER QUIET AND VFR CONDITIONS IN PLACE THROUGH THE TAF PERIOD. HIGH PRESSURE WILL CONTINUE TO BRING COOL AND DRY CONDITIONS INTO THE WEEKEND.
447 PM EST WED FEB 10 2016 A LARGE UPPER TROUGH WILL SLOWLY MOVE EAST OF THE OHIO VALLEY OVER THE NEXT FEW DAYS.
Even though the ridge of high pressure continues to be the dominant feature over the Northern Rockies, mid and high level moisture is making its way into the region. The cloud cover should keep temperatures warmer compared to previous nights, and although some patchy fog is still possible, thickening clouds should hinder the development of dense fog Thursday morning.
WINTER WX ADVISORY WILL CONTINUE UNTIL 00Z AS UPPER TROUGH SLOWLY LIFTS NE AND FLURRIES LESSEN AND MOVE OUT OF THE AREA. TEMPERATURES WILL REMAIN BELOW FREEZING ACROSS MOST OF THE ADVISORY AREA TODAY AND TRAVEL PROBLEMS SHOULD LINGER THROUGH THE DAY. THE DEEP UPPER-LEVEL TROUGH THAT BROUGHT THE TASTE WINTER TO NORTH AND CENTRAL GEORGIA IS EXPECTED TO SLOWLY SHIFT NORTH AND EAST THROUGH THURSDAY. ANOTHER WEAK SLUG OF VORTICITY STREAKS DOWN THE BACK SIDE OF THE TROUGH THIS EVENING. WITH THE UPPER TROUGH LIFTING AND FLATTENING. A LONG WAVE TROUGH WILL REMAIN SITUATED ACROSS THE EASTERN SEABOARD THROUGH THE FIRST HALF OF THE WEEKEND.
BUT MAY CLIMB AS HIGH AS THE LOW 40S IN THE MISSISSIPPI DELTA REGION OF NORTHWEST MISSISSIPPI AND EAST CENTRAL ARKANSAS. /ISSUED 532 AM CST WED FEB 10 2016/ A DEEP UPPER LEVEL TROUGH COVERS THE EASTERN HALF OF THE U. THE HIGHEST POTENTIAL WILL BE ACROSS PORTIONS OF NORTHWEST TENNESSEE WHERE UP TO ONE HALF INCH OF SNOW WILL BE POSSIBLE.
1237 PM EST WED FEB 10 2016 IT WILL BE COLD WITH BRISK WINDS TODAY BECAUSE OF THE FLOW BETWEEN STRONG LOW PRESSURE NEAR THE NORTHEAST COAST AND THE PRESSURE RIDGE IN THE MISSISSIPPI RIVER VALLEY. THE RIDGE WILL BE NEAR THE FORECAST AREA TONIGHT AND THURSDAY. AN AREA OF LOW PRESSURE WILL DEVELOP ALONG A WEAK FRONT JUST SOUTH OF THE FORECAST AREA LATE THURSDAY NIGHT.
120 PM CST WED FEB 10 2016 RIDGE OF HIGH PRESSURE IS BUILDING INTO MIDDLE TENNESSEE FROM THE WEST, BUT THE FEW HOURS OF SUNSHINE WE ENJOYED EARLIER TODAY ARE QUICKLY VANISHING. TEMPERATURES WILL BE WELL BELOW FREEZING AGAIN TONIGHT, BUT MOST LOCATIONS WILL WARM CONSIDERABLY TOMORROW WITH ENOUGH SUNSHINE TO ALLOW FOR COPIOUS MELTING.
STRONG SURFACE-BASED INVERSION WILL REMAIN THROUGH AT LEAST THURSDAY WHEN UPPER LEVEL RIDGE BEGINS TO WEAKEN AND SHIFT SOUTHWARD. SURFACE-BASED INVERSION IS NOW FULLY ESTABLISHED UNDER HIGH PRESSURE ALOFT AND THE FORECAST THROUGH THURSDAY WILL BE BASED ON PERSISTENCE.
Could see a dusting of snow around Winchester in Scott County, but the higher snow totals will remain focused further southwest toward the St. A deep long-wave trough over the eastern half of the country with strong upper level northwesterly flow from the northern plains into the southeastern U. Highs should reach from the upper teens along the I-74 corridor to the low 20s through Jacksonville-Springfield- Effingham-Lawrenceville. Deep trof over the eastern half of the country will continue to dominate the weather through the end of the week and into the weekend. Lighter winds at the surface, but the temperatures will remain well below freezing into the weekend.
UPPER LEVEL ANALYSIS PLACES BROAD RIDGE OVER THE WESTERN CONUS WITH BROAD TROUGH OVER THE EASTERN CONUS BRINGING FAST NORTHWESTERLY FLOW OVER OUR AREA. WHILE OVER THE SOUTHWEST LATEST FORECAST SOUNDINGS SUGGEST SOME FOG WITH PATCHY FREEZING DRIZZLE MAY DEVELOP. WARMER CONDITIONS MAY LEAD TO PERIODS OF RAIN DEVELOPING BY MID-DAY INTO THE AFTERNOON.
A DEEP UPPER LEVEL TROUGH WILL PERSIST OVER THE EASTERN UNITED STATES TODAY THROUGH THURSDAY.
EARLY MORNING CLOUDS SHOULD BE ERODING THROUGH THE LATE MORNING AS THE UPPER TROUGH AND JET MOVE EAST. WILL REMAIN UNDER THE INFLUENCE OF AN UPPER TROUGH AND NORTHWEST FLOW THURSDAY NIGHT FOR DRY AND COLD CONDITIONS.
SKIES HAVE CLEARED OFF WITH TEMPERATURES WARMING NICELY INTO THE LOWER 30S. NAM PROFILES IN BUFKIT CONTINUE TO SUGGEST THE LOSS OF ICE AND A TRANSITION TO FREEZING DRIZZLE ON THE WESTERN EXTREME OF THE BAND DURING THE AFTERNOON HOURS. THOUGH AGAIN WE RUN INTO ICE INTRODUCTION ISSUES SO FREEZING DRIZZLE IS ALSO AN OUTCOME.
THE UPPER RIDGE OVER THE WESTERN U. AS THE COLD FRONT MAKES ITS WAY ACROSS THE AREA.
This will result in slightly warmer temperatures across much of the area, with overnight lows in the upper 30s and lower 40s. Wind speeds will be lighter across southern counties, with overnight lows mainly in the lower and middle 30s along the I-10 corridor. On Thursday, a weak cold front will move south across the Big Country during the morning hours and will drift south to roughly a San Angelo to Brownwood line by late afternoon. The only noticeable effect from the front will be a wind shift to the north and cooler temperatures behind the front.
408 PM EST WED FEB 10 2016 IT WILL BE COLD WITH BRISK WINDS TODAY BECAUSE OF THE FLOW BETWEEN STRONG LOW PRESSURE NEAR THE NORTHEAST COAST AND THE PRESSURE RIDGE IN THE MISSISSIPPI RIVER VALLEY. THE RIDGE WILL BE NEAR THE FORECAST AREA TONIGHT AND THURSDAY. AN AREA OF LOW PRESSURE WILL DEVELOP ALONG A WEAK FRONT JUST SOUTH OF THE FORECAST AREA LATE THURSDAY NIGHT.
TEMPERATURES WILL CONTINUE COOLER THAN NORMAL. EARLY MORNING RADAR IMAGERY WITH RAP SURFACE ANALYSIS SHOWS A RIDGE OF HIGH PRESSURE OVER NORTHERN MN. AND THIS WILL MOVE SOUTHEAST ALONG THE BUFFALO RIDGE.
AN UPPER LEVEL RIDGE OF HIGH PRESSURE WILL CONTINUE TO RESIDE OVER THE PACIFIC NORTHWEST.
Warm air should even be found up in the Wakeeney and Hays areas with highs likely in the lower 60s since the snowpack is pretty much gone except for drifts (the exception being far northern Ellis and Trego Co.
DUE TO THE DRY AIR IN THE LOWER ATMOSPHERE THERE WILL STILL BE A FAIRLY SHARP CUT OFF BETWEEN NO SNOW AND ACCUMULATING SNOW. THE COLDEST CONDITIONS WERE LOCATED ALONG THE HIGHWAY 20 CORRIDOR. COLDEST WIND CHILL VALUES OF 15 TO 20 BELOW ZERO WILL CONTINUE EARLY THIS MORNING ALONG THE HIGHWAY 20 CORRIDOR. WITH HIGHS IN THE LOW TEENS NORTH TO AROUND 20 SOUTH.
A WEAK COLD FRONT WILL RESULT IN A WIND SHIFT THIS EVENING.
SURFACE ANALYSIS HAS A BROAD TROUGH OF LOW PRESSURE IN WESTERN NEBRASKA AND KANSAS. THE TROUGH IS EXPECTED TO MOVE TO THE EAST TODAY. TEMPERATURES TODAY SHOULD WARM PRETTY WELL AND ARE EXPECTED TO BE 10 TO NEARLY 20 DEGREES WARMER THAN YESTERDAY. TEMPERATURES WILL BE RATHER SEASONAL AT THE BEGINNING OF THE LONG RANGE FORECAST AS WE WILL BE WITHIN NORTHWEST UPPER LEVEL FLOW BETWEEN A DE-AMPLIFYING RIDGE TO THE WEST AND A MEAN TROUGH TO THE EAST. HE TEMPERATURE GRADIENT WILL BE FAIRLY PRONOUNCED ACROSS THE CWA WITH COOLER TEMPERATURES IN THE 30S FOR HIGHS TO THE NORTHEAST AND WARMER 40S.
THE COMBINATION OF THE HIGH CLOUDS MOVING INTO THE AREA AND THE AFTERNOON SEA BREEZE WILL HELP TO KEEP TEMPERATURES A LITTLE COOLER THAN OBSERVED YESTERDAY. HIGH PRESSURE WILL MAINTAIN MOSTLY VFR CONDITIONS WITH SOME HIGH CLOUDS. SFO BRIDGE APPROACH. HIGH PRESSURE ANCHORED OFF THE WEST COAST WILL MAINTAIN LIGHT TO MODERATE WINDS OVER THE COASTAL WATERS THROUGH MIDWEEK.
TEMPERATURES WILL BE THE MAIN CONCERN DURING THE PERIOD AS AREA REMAINS UNDER STRONG AMPLIFIED FLOW PATTERN BETWEEN RIDGE IN THE WEST AND TROUGH IN THE EAST. WEAK HIGH PRESSURE MOVES INTO THE REGION TONIGHT IN ADVANCE OF ANOTHER WEAK IMPULSE MOVING ALONG THE BAROCLINIC ZONE ACROSS THE DAKOTAS ON THURSDAY.
LONG WAVE TROUGH ACROSS THE EASTERN U. A SMALL AREA OF HIGH PRESSURE SETTLES ACROSS CENTRAL FLORIDA TONIGHT WITH CLEAR SKIES AND LIGHT WINDS. A LARGE AND DEEP UPPER LEVEL TROUGH OVER THE EASTERN HALF OF THE U.
AS THE LOW MOVES ACROSS OK AND N TX TONIGHT. AND COOLER WEATHER WILL ARRIVE FOR TOMORROW.
THE COMBINATION OF THE HIGH CLOUDS MOVING INTO THE AREA AND THE AFTERNOON SEA BREEZE WILL HELP TO KEEP TEMPERATURES A LITTLE COOLER THAN OBSERVED YESTERDAY. SFO BRIDGE APPROACH. HIGH PRESSURE ANCHORED OFF THE WEST COAST WILL MAINTAIN LIGHT TO MODERATE WINDS OVER THE COASTAL WATERS THROUGH MIDWEEK.
ARCTIC HIGH PRESSURE WILL CONTINUE TO BUILD INTO THE NORTHLAND TODAY.
A weak cold front will shift winds to the north Thursday morning at KABI but wind speeds will remain light. Southern sections, along the I-10 corridor, will see lighter winds and cooler temperatures in the mid 30s.
HIGH PRESSURE WILL CONTINUE TO BRING COOL AND DRY CONDITIONS INTO THE WEEKEND.
THE ARRIVAL OF A MODEST COLD FRONT BY SUNRISE WILL SHIFT WINDS AROUND TO THE NORTH. COLD ADVECTION BEHIND THE FRONT AND A MINOR DECREASE IN UPPER HEIGHTS POINT TO HIGH TEMPS ABOUT 10 DEGREES COOLER THAN TODAY. THIS PUTS THINGS ON THE WARMER END OF MOS.
1118 AM CST WED FEB 10 2016 A WEAK COLD FRONT IS EXPECTED TO MOVE SOUTH THROUGH THE FORECAST DURING THE SECOND HALF OF THE FORECAST PERIOD. TODAY THROUGH THURSDAY NIGHT HIGH PRESSURE WILL SHIFT SOUTHEAST TODAY.
WV IMAGERY THIS MORNING CONTINUES SHOWING THE LARGE AMPLIFIED TROF IN THE EAST AND RIDGE IN THE WEST. WHILE RIDGE LOOKS TO HANG ON IN THE WEST. MODELS ARE INDICATING A DEAMPLIFICATION IN THE PATTERN AS THE MID LEVEL TROF AXIS BEGINS SWINGING EAST TONIGHT. THURSDAY WILL BE CONSIDERABLY WARMER AS THE WARM ADVECTION PATTERN MANAGES TO PUSH TEMPS FIRMLY INTO THE 60S/LOWER 70S AHEAD OF THE BOUNDARY.
1011 AM MST WED FEB 10 2016 WE CAN EXPECT LITTLE CHANGE IN CONDITIONS THROUGH THE NEXT FEW DAYS AS AN AMPLIFIED HIGH PRESSURE RIDGE REMAINS OVER WESTERN NORTH AMERICA. AND LOW PRESSURE DOMINATES THE EAST.
DEW POINTS ARE RUNNING ABOUT 10 DEGREES WARMER THAN YESTERDAY. THIS HAS RESULTED IN TEMPERATURES ABOUT 5 TO 8 DEGREES WARMER ALSO. HIGH PRESSURE WILL SETTLE INTO THE REGION TODAY. THIS HIGH PRESSURE WILL DRIFT INTO THE GULF THIS EVENING ALLOWING FOR WINDS TO SWING AROUND TO THE SOUTH.
312 PM CST WED FEB 10 2016 THE 21Z VISIBLE/IR AND RADAR IMAGERY ALL INDICATED THAT AN AREA OF MAINLY LIGHT PRECIP ALOFT AND MAINLY LIGHT SNOW/FLURRIES WAS MOVING SOUTHEAST OUT OF THE LOWER OHIO VALLEY THROUGH WEST AND INTO MIDDLE TENNESSEE. TEMPS ACROSS THE FORECAST AREA THIS AFTERNOON WERE GENERALLY IN THE LOWER TO MID 30S.
/issued 315 AM CST WED FEB 10 2016/ An upper level trough is over the eastern conus with an upper ridge over the western conus. On Thursday, a cold front is expected to move into the area resulting in slightly cooler but still above normal temperatures.
At this time it appears this snowfall may impact the eastern Ozarks and central Missouri as far west as the Highway 63 corridor or generally east of a Eldon to Salem line where there could be a dusting. A substantial temperature gradient will set up today from southwest to northeast with highs remaining below freezing in the eastern Ozarks but rising to near 50 along the Kansas and Oklahoma borders.
PATCHY LIGHT FREEZING DRIZZLE IS POSSIBLE WESTERN AND INTO PORTIONS OF SOUTH CENTRAL NORTH DAKOTA FROM MID MORNING TODAY THROUGH TONIGHT. LOW LEVEL CONVERGENCE MAY BE ENOUGH TO GENERATE A NARROW SWATH OF LIGHT FREEZING RAIN AND/OR DRIZZLE FOR A FEW HOURS THIS MORNING SOUTH CENTRAL INTO PORTIONS OF WESTERN NORTH DAKOTA. BUFKIT SOUNDINGS FROM WILLISTON TO WATFORD CITY AND DICKINSON SHOW THERE COULD BE PATCHY LIGHT FREEZING DRIZZLE AND FOG THIS EVENING INTO TONIGHT.
1222 PM EST WED FEB 10 2016 THE AVIATION SECTION HAS BEEN UPDATED BELOW AN UPPER TROUGH WILL EXIT THE AREA TODAY.
245 PM MST WED FEB 10 2016 A HUGE RIDGE OF HIGH PRESSURE WILL REMAIN CENTERED OVER THE GREAT BASIN WITH EASTERN UT AND WESTERN CO UNDER NW FLOW ALONG ITS EASTERN SIDE. A WEEK UPPER TROUGH WILL CONTINUE PASSING OVER AND THROUGH THE RIDGE THIS EVENING AND SPREAD SCATTERED HIGH CLOUDS OVER THE AREA. THE HIGHLY AMPLIFIED WESTERN RIDGE WILL BEGIN TO BE BATTERED BY PACIFIC ENERGY ON THURSDAY. THIS RIDGE WILL BE ABLE TO HOLD STRONG THROUGH TOMORROW NIGHT. THE MAIN IMPACT DOWNSTREAM WILL BE FROM MOISTURE SURVIVING THE TRIP OVER THE APEX OF THE RIDGE AND FLOWING INTO THE ROCKIES AS HIGH LEVEL CLOUDINESS.
435 PM EST WED FEB 10 2016 THE PRESSURE RIDGE WILL BE NEAR THE FORECAST AREA TONIGHT AND THURSDAY. AN AREA OF LOW PRESSURE WILL DEVELOP ALONG A WEAK FRONT JUST SOUTH OF THE FORECAST AREA LATE THURSDAY NIGHT.
LEFT FLURRIES IN THE HIGHER TERRAIN THROUGH THIS AFTERNOON AS WESTERLY WINDS WILL BRING IN SOME MID LEVEL MOISTURE INCREASING CLOUD COVER LATER THIS AFTERNOON WITH A LITTLE BIT OF ISENTROPIC LIFT.
1040 AM CST WED FEB 10 2016 NW FLOW ALOFT AND HIGH PRESSURE AT THE SFC WILL ALLOW FOR CLEAR SKIES AND A GOOD WARM UP TODAY INTO THE UPPER 50S/MID 60S FOR MOST AREAS. WINDS TO BECOME LIGHT AND VARIABLE THROUGH 10/16Z AS HIGH PRESSURE SHIFTS SOUTH ACROSS THE REGION. SYNOPTIC PATTERN REMAINS CHARACTERIZED BY AN AMPLIFIED UPPER RIDGE OVER THE WESTERN CONUS AND A LARGE UPPER TROUGH OVER THE EASTERN CONUS.
HIGH PRESSURE WILL BUILD FROM THE WEST THIS AFTERNOON. AS THE RIDGE BUILDS THE PRESSURE GRADIENT WILL WEAKEN ACROSS THE REGION. THIS RIDGE WILL BUILD OVERHEAD TONIGHT INTO THURSDAY.
A WEAK COLD FRONT WILL MAKE ITS WAY INTO NORTH TEXAS THURSDAY MORNING BRINGING THE WINDS AROUND TO THE NORTH.
DOWNSLOPING WINDS AND SUBSIDENCE IN THE WAKE OF A S/W TROF HAD CLEARED THE SKIES OVER PARTS OF NE/EC WI. A DRY DAY IS ANTICIPATED ON THURSDAY AS HIGH PRESSURE PASSES JUST TO OUR SOUTH.
1031 AM MST WED FEB 10 2016 WE HAVE CANCELLED THE HIGH WIND WARNING FOR BORDEAUX AS WINDS HAVE DECREASED INTO THE 30 TO 40 MPH RANGE WITH OVERALL GUSTS REMAINING BELOW 50 MPH. WENT AHEAD WITH THE HIGH WIND WARNING FOR THE BORDEAUX AREA. PERSISTENCE FORECAST IS IN ORDER FOR THURSDAY WITH TEMPS PERHAPS A FEW DEGREES COOLER UNDER MORE CLOUD COVER STREAMING DOWN FROM THE NORTHWEST.