Aikyam-Lab/Synoptic-Bench huggingface dataset:
227 AM CDT SUN AUG 9 2015 UPPER LEVEL RIDGE CENTERED OVER SOUTHERN PLAINS WILL RETROGRADE PLACING MID STATE UNDER NORTHWEST FLOW ALOFT. AND ALLOW FOR A CENTRAL PLAINS SURFACE SYSTEM TO MOVE THIS WAY TONIGHT AND MONDAY BRINGING A CHANCE FOR SHOWERS AND A FEW THUNDERSTORMS MAINLY AFTER 12Z MONDAY BUT THERE COULD BE A FEW WORKING IN NORTH HALF OF THE MID STATE LATE TONIGHT AS SURFACE WARM FRONT SWINGS UP THROUGH MIDDLE TENNESSEE.
A FEW ISOLATED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE ACROSS THE HIGHER TERRAIN OF NE NV.
648 AM CDT FRI JUL 31 2015 FOR 12Z TAFS /ISSUED 207 AM CDT FRI JUL 31 2015/ THE 07Z SURFACE ANALYSIS INDICATED THAT A BROAD AREA OF HIGH PRESSURE WAS RIDGING SOUTHEAST INTO THE FORECAST AREA FROM THE CENTRAL PLAINS THROUGH THE LOWER OHIO VALLEY.
AS SLIGHTLY COOLER AND MUCH DRIER AIR HAS FILTERED IN BEHIND A COLD FRONT. CHATTANOOGA AIRPORT, TN 91 64 93 66 / 0 0 0 0 KNOXVILLE MCGHEE TYSON AIRPORT, TN 90 64 89 63 / 0 0 0 0 OAK RIDGE, TN 90 63 90 63 / 0 0 0 0 TRI CITIES AIRPORT, TN 89 58 86 59 / 0 0 0 10.
641 AM CDT FRI JUL 31 2015 Today - Saturday Night: Primary upper trough entrenched from Hudson Bay into the Mid Atlantic States while elongated dome of high pressure extends from the intermountain region into the Southern Plains. Aided by similar instability parameters and a bit stronger 0-6km shear and fueled by the low-level jet believe there is a better chance for more organized severe thunderstorms over northern MO.
AN UPPER LEVEL RIDGE OVER THE WEST COAST AND ROCKIES WITH LOW PRESSURE OVER HUDSON BAY WILL KEEP A DRY NORTHWEST FLOW ALOFT OVER NORTH DAKOTA TODAY AND TONIGHT. A HIGH PRESSURE RIDGE AXIS EXTENDED FROM CENTRAL ALBERTA SOUTHEASTWARD ACROSS SOUTHERN SASKATCHEWAN AND INTO THE DAKOTAS. MAINLY QUIET WEATHER CONTINUES THROUGH THE WEEKEND INTO EARLY IN THE WORK WEEK AS UPPER RIDGE OVER THE WESTERN CONUS BRINGS NORTHWESTERLY FLOW TO OUR AREA.
WATER VAPOR IMAGERY AND 31/12Z UPPER-AIR PLOTS SHOW THE CENTER OF HIGH PRESSURE IN THE GENERAL VICINITY OF THE TEXAS PANHANDLE. WITH A PACIFIC LOW PRESSURE SYSTEM WELL OFF THE SOUTHERN CALIFORNIA AND NORTHERN BAJA COASTS.
724 AM EDT FRI JUL 31 2015 HIGH PRESSURE WILL EXTEND EASTWARD FROM THE LOWER MISSOURI VALLEY INTO THE MID ATLANTIC TODAY PROVIDING LOWER HUMIDITY. THIS HIGH WILL STAY OVER MOST OF REGION THIS WEEKEND.
721 AM EDT FRI JUL 31 2015 VFR CONDITIONS ARE EXPECTED THROUGH THE TAF PERIOD AS HIGH PRESSURE BUILDS OVER THE AREA.
1239 PM EDT FRI JUL 31 2015 HIGH PRESSURE REMAINS OVER THE OHIO VALLEY WITH A TROUGH OVER EASTERN CANADA. HIGH PRESSURE WILL EXPAND OVER THE LOWER LAKES REGION ON SATURDAY.
1026 AM EDT FRI JUL 31 2015 A TROUGH OF LOW PRESSURE WILL CONTINUE ACROSS THE REGION THROUGH THE WEEKEND WITH W/SW FLOW CONTINUING TO BRING SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS EACH DAY. W/SW FLOW WILL CONTINUE THROUGH THE WEEKEND AS A TROUGH OF LOW PRESSURE REMAINS ACROSS THE REGION.
937 AM EDT FRI JUL 31 2015 HIGH PRESSURE REMAINS OVER THE OHIO VALLEY WITH A TROUGH OVER EASTERN CANADA. HIGH PRESSURE WILL EXPAND OVER THE LOWER LAKES REGION ON SATURDAY.
1113 AM EDT FRI JUL 31 2015 DRY WITH HIGH PRESSURE IN CONTROL. A COLD FRONT. HIGH PRESSURE SLOWLY DRIFTS FROM THE TN VALLEY EWD OR ESEWD TO THE SRN APPALACHIANS THIS PERIOD. SEVERAL UPPER LEVEL S/W TROUGHS CROSS. THE THIRD S/W TROUGH WILL BENEFIT FROM LOW LEVEL INFLOW FROM THE SW AND MAY BE ABLE TO BRING PRECIPITATION INTO THE MIDDLE OHIO VALLEY SUN NT. AND A STRONGER S/W TROUGH APPROACHES FROM THE NW TOWARD MON MORNING. WITH AN UPPER LEVEL RIDGE ACROSS THE SRN STATES SHIFTING WEST AND A PERSISTENT TROUGH BUILDING ACROSS THE EAST. THERE IS DISAGREEMENT CONCERNING HOW MUCH THE WESTERN RIDGE WILL AMPLIFY. SHOULD SEE SOME BREAK IN THE HIGHER AFTERNOON READINGS OWING TO INCREASED CLOUDS. AND OUR INCREASED DISTANCE FROM THE WESTERN RIDGE.
VFR CONDITIONS WILL PREVAIL TODAY EVEN AS LOW TO MID LEVEL MOISTURE INCREASES ACROSS THE COASTAL SECTIONS OF DEEP SOUTH TEXAS AS A WEAK 500MB LOW/INVERTED TROUGH ACROSS THE NORTH CENTRAL GULF OF MEXICO MOVES WESTWARD THIS AFTERNOON. ISOLATED CONVECTION WILL APPROACH THE LOWER TEXAS COAST THIS AFTERNOON. SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP ACROSS THE NORTH CENTRAL GULF OF MEXICO THIS MORNING ASSOCIATED WITH A WEAK 500MB LOW/INVERTED TROUGH.
518 AM MDT FRI JUL 31 2015 UPPER RIDGE OVER THE GREAT BASIN WILL GRADUALLY BUILD OVER THE CENTRAL ROCKIES AND BE THE DOMINANT FEATURE OF THE SHORT TERM PERIOD.
HIGHS LOOK TO CLIMB INTO THE LOW TO MID 90S. HEIGHTS WILL RISE AS AN UPPER RIDGE BUILDS NORTH.
/ISSUED 233 AM CDT FRI JUL 31 2015/ VERY QUIET CONDITIONS ACROSS THE REGION AS UPPER RIDGING TRIES TO BUILD IN ALONG THE NORTHWEST FLOW ALOFT. THIS WEATHER PATTERN LOOKS TO SIT OVER THE AREA THROUGH THE WEEKEND AS HIGH PRESSURE SETTLES IN.
1005 AM EDT FRI JUL 31 2015 HIGH PRESSURE WILL BUILD OVERHEAD THROUGH TONIGHT.
AN UPPER LEVEL TROUGH APPROACHING FROM THE WEST WILL GRADUALLY PUT AN END TO THE MOIST MONSOONAL FLOW INTO THE WEEKEND. THE UPPER LOW WELL OFF THE COAST OF PT CONCEPTION WILL KEEP SWLY FLOW ALOFT ACROSS THE REGION MON THRU THU AS IT SLOWLY APPROACHES THE COAST.
1119 AM EDT FRI JUL 31 2015 HIGH PRESSURE WILL PROVIDE DRY AND WARM CONDITIONS TODAY. BEFORE A COLD FRONT MOVES THROUGH THE REGION TONIGHT.
725 AM EDT FRI JUL 31 2015 /ISSUED 341 AM EDT FRI JUL 31 2015/ A COLD FRONT IS STALLED ACROSS CENTRAL GEORGIA THIS MORNING AND ALTHOUGH THE FRONT WILL WEAKEN THROUGH THE SHORT TERM AND WASH OUT. OBSERVATIONS ALREADY SHOW THE DEW POINTS IN THE LOW TO MID 60S ACROSS PARTS OF NORTH GEORGIA AND WHILE SOME OF THIS DRIER AIR WILL FILTER FURTHER SOUTH. 11 /ISSUED 341 AM EDT FRI JUL 31 2015/ MODELS ARE SHOWING GOOD AGREEMENT ON A WEAK COLD FRONT STALLED ACROSS PARTS OF CENTRAL GEORGIA SATURDAY NIGHT.
1057 AM MDT FRI JUL 31 2015 THE SUBTROPICAL RIDGE REMAINS STRETCHED ACROSS THE SOUTHERN- CENTRAL FORECAST AREA THROUGH THESE PERIODS PROVIDING STRONG HEATING. LITTLE CHANGE SEEN FOR SATURDAY WITH NO GOOD FORCING UNDER THE BROAD RIDGE. HIGH PRESSURE WILL BE SITUATED ACROSS THE SWRN CONUS THROUGH THIS FORECAST PERIOD. UPPER LEVEL DISTURBANCE WEST OF THE SRN BAJA TIP GETS ENTRAINED INTO THE SSW FLOW AHEAD OF THE ERN PACIFIC CLOSED LOW CIRCULATION. THIS DISTURBANCE RIDES THE TOP OF THE HIGH PRESSURE RIDGE.
NARROW LL THETA-E RIDGING NOTED UPSTREAM IN 00Z RAOBS AND XPCD TO ADVT E/NE INTO THE AREA BY THIS AFTN. THIS PERIOD WILL FEATURE A SOMEWHAT ACTIVE NORTHWEST FLOW REGIME UNDER A QUASI-STATIONARY HUDSON BAY UPPER LOW THAT WILL SLOWLY PIVOT SOUTHEAST.
WATER VAPOR SATELLITE IMAGERY DISPLAYED A BROAD UPPER-LEVEL RIDGE STRETCHING FROM EASTERN TEXAS TO NORTHERN NEVADA. WITH THE GREATEST CHANCES OVER THE HIGH MOUNTAIN PEAKS. THE RIDGE TO THE EAST WILL BUILD SOUTHWEST AS AN UPPER-LEVEL TROUGH LINGERS OFF OF THE WEST COAST.
524 AM MDT FRI JUL 31 2015 THE SUBTROPICAL RIDGE REMAINS STRETCHED ACROSS THE SOUTHERN- CENTRAL FORECAST AREA THROUGH THESE PERIODS PROVIDING STRONG HEATING. LITTLE CHANGE SEEN FOR SATURDAY WITH NO GOOD FORCING UNDER THE BROAD RIDGE. HIGH PRESSURE WILL BE SITUATED ACROSS THE SWRN CONUS THROUGH THIS FORECAST PERIOD. UPPER LEVEL DISTURBANCE WEST OF THE SRN BAJA TIP GETS ENTRAINED INTO THE SSW FLOW AHEAD OF THE ERN PACIFIC CLOSED LOW CIRCULATION. THIS DISTURBANCE RIDES THE TOP OF THE HIGH PRESSURE RIDGE.
1008 AM CDT FRI JUL 31 2015 DRY HIGH PRESSURE BUILDING ACROSS THE REGION PRODUCING LIGHT NORTHEAST WINDS. TEMPERATURES CURRENTLY IN THE LOW TO MID 80S WITH DEWPOINT VALUES IN THE MID TO UPPER 60S. SLIGHTLY COOLER TEMPERATURES. INDICATIVE OF THE DRIER AIR THAT LIES TO THE N AHEAD OF SFC RIDGING OVER CNTRL MO AND NRN AR.
A STRONG RIDGE OF HIGH PRESSURE DRAPED ACROSS THE MIDWEST STATES INTO THE OH VALLEY REGION CONTINUES TO BUILD SWD. AS THE COLD FRONT WHICH CROSSED THE AREA YESTERDAY SETTLES INTO THE NRN GULF. TEMP TRENDS THUS FAR HAVE CLIMBED BARELY INTO THE LOWER 80S RANGE FOR MANY AREAS. WITH DEW PTS MORE IN THE LOWER 60S. WITH AN UPPER RIDGE FEATURE CENTERED OVER THE SRN PLAINS DRIFTING EWD. STUMPF /ISSUED 207 AM CDT FRI JUL 31 2015/ THE 07Z SURFACE ANALYSIS INDICATED THAT A BROAD AREA OF HIGH PRESSURE WAS RIDGING SOUTHEAST INTO THE FORECAST AREA FROM THE CENTRAL PLAINS THROUGH THE LOWER OHIO VALLEY.
HIGH CLOUDINESS CONTINUES TO PLAGUE THE KEYS AREA WHILE A NEARLY STATIONARY TROUGH RESIDES ACROSS CENTRAL FLORIDA AND THE GULF OF MEXICO AS AN AREA OF HIGH PRESSURE REMAINS NEAR THE KEYS AREA AND SOUTH FLORIDA. THE RIDGE AXIS THAT HAS BEEN OVER THE KEYS AREA HAS BEGUN TO LIFT SLOWLY NORTHWARD. THE COL REGION THROUGH THE LOWER LAYERS WILL REMAIN IN PLACE OVER THE KEYS WITH ENOUGH CONVECTIVE INHIBITION TO SUBDUE MUCH OF THE TOWERING CUMULUS.
SLIGHTLY COOLER TEMPERATURES. INDICATIVE OF THE DRIER AIR THAT LIES TO THE N AHEAD OF SFC RIDGING OVER CNTRL MO AND NRN AR.
WITH SURFACE/850 RIDGE DRAWING CLOSER ON SATURDAY EXPECT AN OVERALL LIGHTER WIND REGIME. THERE IS A WEAK SURFACE TROF PASSING THROUGH COUPLED WITH A MID LEVEL TROF UP ABOVE. TEMPS WILL BE A FEW DEGREES COOLER THAN YESTERDAY.
/ISSUED 241 AM CDT FRI JUL 31 2015/ PoPs and temperatures will continue to be modulated by the subtropical ridge and the mid level theta-e ridge entrained within said ridge. Today, the subtropical ridge axis will be to the north of the CWFA as will be the theta-e ridge, while dropping se from the ne-n, nearing the far ern CWFA. The subtropical ridge amplifies to the nw Sat PM with indications of a weak shrtwv trof within the nw flow aloft. This will favor the mid level theta-e ridge axis farther s into the n-ne CWFA and worthy of scattered PoPs, which are already in the forecast.
MORNING SURFACE DEWPOINTS WERE IN THE LOWER TO UPPER 60S.
OVER THE PLAINS, TEMPERATURES WILL LIKELY REMAIN STEADY OR EVEN RISE SOME OVERNIGHT AS HAS ALREADY OCCURRED IN SOME AREAS DUE TO STEADY W/SW WINDS DEVELOPING IN RESPONSE TO THE LOWERING SURFACE PRESSURE AND INCREASING GRADIENT ACROSS THE ROCKIES. VFR CONDITIONS WILL DOMINATE THE FORECAST PERIOD AS HIGH PRESSURE BUILDS INTO THE REGION.
523 PM CST FRI NOV 20 2015 Strong Gusty southerly winds had all but moved the area of high pressure that was over the region this morning, to the east of the area. Winds were gusting at times from 30 to 40mph and will continue into this afternoon and early evening in advance of a cold front that will move through the region late this evening. The gusty southerly winds in advance of the front will quickly be replaced by gusty northerly winds in the wake of the cold front.
VFR CONDITIONS WILL DOMINATE THE FORECAST PERIOD AS HIGH PRESSURE BUILDS INTO THE REGION.
SHORT WAVE TROUGH BUILDS INTO THE EASTERN U. DRAGGING A COLD FRONT THROUGH THE SOUTHERN APPALACHIANS LATE IN THE DAY THROUGH THE EVENING HOURS.
A LOW PRESSURE SYSTEM WILL BRING A MIX OF RAIN AND SNOW TO CENTRAL INDIANA OVERNIGHT INTO SATURDAY EVENING.
A QUIET EVENING ACROSS MIDDLE TENNESSEE WITH HIGH PRESSURE RETREATING OFF TO THE NORTHEAST. LOOK FOR THE PRESSURE GRADIENT TO GRADUALLY INCREASE OVERNIGHT AHEAD OF A FAST-MOVING COLD FRONT. WHICH WILL INCREASE MOISTURE A BIT OVER THE AREA AHEAD OF THE NEXT TROUGH FOR SATURDAY. THE TROUGH AND ASSOCIATED FRONT WILL SWING THROUGH THE AREA PRETTY QUICKLY.
High pressure will continue to move away from the region tonight. Meanwhile low pressure will form over the southern Plains as a mid level system digs ESE from the northern Rockies into the Plains upon strong jet stream energy from west Canada. By 12z Sat, the upper trof will extend south from the Upper Midwest with low pressure near KSTL.
/ISSUED 635 PM CST FRI NOV 20 2015/ STRONG AND GUSTY NORTH WINDS WILL FOLLOW A COLD FRONT WHILE IT MOVES SOUTH ACROSS OKLAHOMA OVERNIGHT. LOWS TONIGHT WILL NOT QUITE MAKE IT TO FREEZING.
933 PM CST FRI NOV 20 2015 The strong cold front is on its way and will be entering northeast Oklahoma over the next couple hours.
A COLD FRONT WILL USHER IN COLDER AIR DURING THE DAY, AND HAVE MAD SOME MINOR ADJUSTMENTS TO HRLY TEMP GRIDS FOR SATURDAY TO REFLECT FALLING TEMPS FROM WEST TO EAST DURING THE LATE MORNING AND AFTERNOON. A QUIET EVENING ACROSS MIDDLE TENNESSEE WITH HIGH PRESSURE RETREATING OFF TO THE NORTHEAST. LOOK FOR THE PRESSURE GRADIENT TO GRADUALLY INCREASE OVERNIGHT AHEAD OF A FAST-MOVING COLD FRONT.
1047 PM EST FRI NOV 20 2015 HIGH PRESSURE WILL RAPIDLY MOVE OVER AND THEN EAST OF OUR AREA OVERNIGHT AS A FAST WAVE AND COLD FRONT APPROACHES FROM THE WEST SATURDAY AFTERNOON.
TONIGHT: COLD FRONT WILL MOVE THROUGH THE AREA THIS PERIOD WITH WINDS FLIRTING WITH ADVISORY CRITERIA DURING THE MIDDLE OF THE NIGHT. MINIMUMS SUN NIGHT WILL BE A BIT WARMER. SIGNIFICANT DIFFERENCES BETWEEN THE SLOWER/DEEPER/CLOSED LOW ECMWF AND THE WEAKER/MORE PROGRESSIVE GFS. BOTH MODELS ALLOW COLD AIR TO MOVE DOWN THE HIGH PLAINS BY MIDWEEK. A COLD FRONT PUSHING SOUTHEAST ACROSS THE STATE IS BRINGING THESE STRONG WINDS.
THE UPPER LEVEL TROF EMBEDDED IN THE NORTHWEST FLOW ALOFT WILL MOVE ACROSS NORTHERN COLORADO THIS EVENING.
753 PM EST FRI NOV 20 2015 SEASONABLE WEATHER IS EXPECTED INTO SATURDAY AS HIGH PRESSURE WEAKENS OVER THE AREA.
Main focus this forecast period is a strong cold front that will move through the area overnight. A cold front currently in northwestern Kansas will drop south overnight arriving in northern Lea County around midnight and quickly moving through the remainder of the CWA by sunrise. High pressure will quickly settle over the area causing winds to become light overnight. A deep upper low will develop in the western U.
537 PM CST FRI NOV 20 2015 A COLD FRONT WILL MOVE ACROSS THE REGION AROUND DAYBREAK. HIGH PRESSURE REBUILDING BEHIND THE FRONT ON SATURDAY TO BRING IMPROVED SKY CONDITIONS WITH NORTHWEST WINDS INCREASING TO 15 TO 20 KNOTS WITH GUSTS RANGING FROM 25 TO 30 KNOTS THROUGH 22/00Z.
627 PM EST FRI NOV 20 2015 HIGH PRESSURE WILL TRANSITION OVERNIGHT FROM THE OHIO VALLEY TO NEW ENGLAND. WITH AN ASSOCIATED AXIS OF HIGH PRESSURE EXTENDING SOUTH ALONG THE LEE OF THE APPALACHIANS. A COLD FRONT WILL APPROACH THE REGION ON SATURDAY. HIGH PRESSURE WILL START BUILDING INTO THE REGION BY THE END OF THE WEEKEND. ITS ASSOCIATED RIDGE AXIS WILL BE SITUATED ALONG THE LEE OF THE APPALACHIANS. EXPECT AT BEST A FEW CIRRUS CLOUDS TONIGHT IN ADVANCE OF A DEEPENING TROUGH ACROSS THE CENTRAL U. SOUTHERLY WINDS WILL BEGIN TO INCREASE ON THE WEST SIDE OF THE RIDGE AXIS. AND IN ADVANCE OF AN APPROACHING COLD FRONT. EXPECT A COOLER DAY AS COMPARED TO TODAY.
Strong cold front to enter ne OK around 06z. /ISSUED 317 PM CST FRI NOV 20 2015/ The much advertised strong cold front is surging through western Kansas early this afternoon, likely entering northeast Oklahoma by mid to late evening and clearing southeast Oklahoma and west central Arkansas by daybreak tomorrow.
TRAILING THIS SYSTEM IS A SHRTWV TROF THAT IS FCST TO SWEEP INTO THE WRN GREAT LAKES ON SAT.
1031 PM EST FRI NOV 20 2015 HIGH PRESSURE WILL RAPIDLY MOVE OVER AND THEN EAST OF OUR AREA OVERNIGHT AS A FAST WAVE AND COLD FRONT APPROACHES FROM THE WEST SATURDAY AFTERNOON.
THE FORECAST IS ON TRACK FOR THE OVERNIGHT HOURS WITH HIGH PRESSURE GIVING WAY TO A FRONTAL SYSTEM MOVING INTO THE MIDWEST STATES.
Another cold front will push south across West Central Texas later tonight. The cold front is still expected to move into the Big Country right around midnight tonight.
A COLD FRONT CROSSING THE STATE WILL BRING A COLDER AIRMASS TO UTAH TODAY. HIGH PRESSURE WILL THEN USHER IN DRIER AND MORE STABLE CONDITIONS FOR THE WEEKEND.
714 PM EST FRI NOV 20 2015 HIGH PRESSURE WILL RAPIDLY MOVE OVER AND THEN EAST OF OUR AREA OVERNIGHT AS A FAST WAVE AND COLD FRONT APPROACHES FROM THE WEST SATURDAY AFTERNOON.
644 PM EST FRI NOV 20 2015 HIGH PRESSURE CROSSES OVERNIGHT.
418 PM CST FRI NOV 20 2015 A CANADIAN COLD FRONT WILL MOVE ACROSS THE COASTAL WATERS ON SATURDAY.
TEMPS WILL BE SLIGHTLY ON THE COOLER SIDE IN E MS DUE TO LESS OF A PRESSURE GRADIENT. WINDS WILL GRADUALLY TURN FROM THE E/NE TOWARDS THE SE OVERNIGHT AS THE COLD FRONT APPROACHES FROM THE W/NW. VFR CONDITIONS PREVAIL AT ALL TAF SITES THROUGH TONIGHT AND TOMORROW AS HIGH PRESSURE OCCURS OVER THE REGION.
1045 PM EST FRI NOV 20 2015 SEASONABLE WEATHER IS EXPECTED INTO SATURDAY AS HIGH PRESSURE WEAKENS OVER THE AREA.
HIGH PRESSURE WILL BRING MOSTLY CLEAR WEATHER TO WESTERN WASHINGTON THROUGH THE WEEKEND.
/ISSUED 335 PM CST FRI NOV 20 2015/ MEAN TROUGHING REMAINS ACROSS MUCH OF THE CONUS WITH MEAN ZONAL FLOW ACROSS THE SOUTHEAST. SURFACE RIDGING OVER THE REGION WILL KEEP NE SFC FLOW THROUGH THE MORNING HOURS TOMORROW. THIS BRINGS SOME LOCATIONS DOWN TO THE MID 30S AND MOST OTHERS IN THE LOWER 40S. WILL CONTINUE THAT TREND WITH A SLOWLY RISING THROUGH THE NIGHT AND THROUGH SAT MORNING WHEN MOISTURE ARRIVES WITH THE NEXT COLD FRONT. SCATTERED UPPER LEVEL CLOUDS WILL CONTINUE OVERNIGHT AHEAD OF AN APPROACHING COLD FRONT.
603 PM EST FRI NOV 20 2015 HIGH PRESSURE WILL RAPIDLY MOVE OVER AND THEN EAST OF OUR AREA OVERNIGHT AS A FAST WAVE AND COLD FRONT APPROACHES FROM THE WEST SATURDAY AFTERNOON.
506 PM EST FRI NOV 20 2015 HIGH PRESSURE WILL RAPIDLY MOVE OVER AND THEN EAST OF OUR AREA OVERNIGHT AS A FAST WAVE AND COLD FRONT APPROACHES FROM THE WEST SATURDAY AFTERNOON.
551 PM CST FRI NOV 20 2015 STRONG COLD FRONT CURRENTLY ABOUT TO EXIT THE OKLAHOMA PANHANDLE WILL PLUNGE THROUGH THE TERMINALS LATER THIS EVENING WITH NORTHERLY WINDS OF 25-30 KNOTS AND GUSTS TO 40+ KNOTS LIKELY IN ITS WAKE. /ISSUED 320 PM CST FRI NOV 20 2015/ SHARP COLD FRONT AT 21Z HAD ALREADY DESCENDED THE PALMER DIVIDE IN EASTERN CO AND REMAINS ON TRACK FOR A MID EVENING ARRIVAL IN THE SOUTHERN TX PANHANDLE.
DEEP MOISTURE POOLING WITHIN THE FRONTAL TROF WILL MAKE PRECIP A GOOD BET THRU THE DAY.
MAINLY CLEAR SKIES AND A SLIGHT WARMING TREND WILL CONTINUE INTO THE WEEKEND DUE TO HIGH PRESSURE.
318 PM PST FRI NOV 20 2015 MAINLY CLEAR SKIES AND A SLIGHT WARMING TREND WILL CONTINUE INTO THE WEEKEND DUE TO HIGH PRESSURE.
644 PM EST FRI NOV 20 2015 SEASONABLE WEATHER IS EXPECTED INTO SATURDAY AS HIGH PRESSURE WEAKENS OVER THE AREA.
635 PM CST FRI NOV 20 2015 STRONG AND GUSTY NORTH WINDS WILL FOLLOW A COLD FRONT WHILE IT MOVES SOUTH ACROSS OKLAHOMA OVERNIGHT. LOWS TONIGHT WILL NOT QUITE MAKE IT TO FREEZING.
844 PM EST FRI NOV 20 2015 HIGH PRESSURE WILL BUILD IN FROM THE SOUTHWEST TONIGHT AND WILL CREST OVER THE REGION ON SATURDAY.
A STRONG COLD FRONT WILL MOVE THROUGH THE REGION 12-15Z SATURDAY AND BRING HIGH WINDS TO ALL TERMINALS. THE LOW CLOUDS IN THE MORNING WILL QUICKLY RISE BEHIND THE COLD FRONT WITH CONDITIONS IMPROVING TO VFR BY MID TO LATE MORNING.
THERE IS A MEAN LAYER ANTICYCLONE CENTERED ACROSS THE EASTERN GULF OF MEXICO. SUPPORTING A 1027 MB HIGH PRESSURE SYSTEM OVER THE CENTRAL APPALACHIANS. SOME LOCATIONS MAY REACH THE LOWER 70S. A LARGE AREA OF HIGH PRESSURE OVER THE OHIO VALLEY WILL PROGRESS TO THE NORTHEAST OVERNIGHT AND SATURDAY.
303 PM MST FRI NOV 20 2015 THE UPPER LEVEL TROF EMBEDDED IN THE NORTHWEST FLOW ALOFT WILL MOVE ACROSS NORTHERN COLORADO THIS EVENING.
922 PM EST FRI NOV 20 2015 HIGH PRESSURE CROSSES OVERNIGHT.
HIGH PRESSURE ALOFT WILL PROVIDE DRY CONDITIONS WITH WELL ABOVE NORMAL DAYTIME TEMPERATURES DURING THE UPCOMING WEEK. HIGH CLOUDS TO PUSH ACROSS THE AREA LATER TONIGHT INTO LEAP DAY NIGHT AS A WEAK SHORT WAVE TROF PASSES THRU THE STATE.
325 AM EST SUN FEB 28 2016 HIGH PRESSURE OVER THE SOUTHEASTERN STATES WILL DOMINATE THE REGION THROUGH MONDAY.
347 AM EST SUN FEB 28 2016 HIGH PRESSURE WILL SHIFT OFFSHORE THROUGH MONDAY.
A WEAK LOW PRESSURE SYSTEM BRUSH NORTHEAST ARIZONA MONDAY WITH PARTLY CLOUDY SKIES AND POSSIBLY A LIGHT SHOWER.
322 AM CST SUN FEB 28 2016 Windy warm day on tap with high pressure moving over the SE U. , while low pressure tracks from the Upper Midwest to Great Lakes region. Otherwise, increase in clouds will be later today from the NW as a mid level s/wv and cold front approach. Monday through Monday evening should be quiet as weak high pressure moves across the area.
1031 PM CST SAT FEB 27 2016 FOR 06Z TAFS /ISSUED 911 PM CST SAT FEB 27 2016/ A QUIET BUT COOL NIGHT IS EXPECTED ACROSS THE TN VALLEY THANKS TO A LARGE AREA OF HIGH PRESSURE ACROSS THE REGION. HIGH PRESSURE WILL KEEP VFR CONDITIONS THRU THE FCST PERIOD. VFR CEILINGS WILL BEGIN TO AFFECT THE TAF SITES ARND 03Z AS A CDFNT/WEAK UPPER TROF AFFECTS THE TN VALLEY.
IT IS HARD TO IMAGE YOU WOULD HAVE TO THINK ABOUT FREEZING/FROZEN PRECIPITATION LATE TONIGHT AND SUNDAY. AN AN ARCTIC COLD FRONT WAS NOW MOVING TOWARDS LAKE SUPERIOR LATE THIS AFTERNOON. ENOUGH COLD AIR WILL WORK INTO FAR NORTHERN WISCONSIN TO DROP SURFACE TEMPERATURES AT OR A FEW DEGREES BELOW FREEZING. ROAD TEMPERATURES ARE EXPECTED TO FALL TO OR JUST BELOW FREEZING. THE OTHER CONDITIONS IS WHAT THE LOW LEVEL THERMAL PROFILE WILL LOOK LIKE FROM THE SURFACE UP TO 800MB. ANOTHER ISSUES ABOUT FREEZING RAIN. BUT THE DURATION AND DETAILS OF HOW MUCH FREEZING PRECIPITATION WOULD OCCUR STILL SOMEWHAT UNCERTAIN. TEMPERATURES ARE EXPECTED TO FALL SHARPLY LATE SUNDAY MORNING AND SUNDAY AFTERNOON AS LOW PRESSURE MOVES TO THE EAST OF THE AREA. HIGH TEMPERATURES ALONG THE HIGHWAY 10 AND 29 CORRIDORS MAY NEED TO BE INCREASED/DROPPED BY SEVERAL DEGREES.
325 AM CST SUN FEB 28 2016 (Today and Tonight) A weak cold front will move into the Big Country midday, reaching the I-20 corridor 1 to 2 PM CST in the afternoon, and a San Angelo to Brownwood line around 5 PM CST.
HIGH PRESSURE ALOFT WILL PROVIDE DRY CONDITIONS WITH WELL ABOVE NORMAL DAYTIME TEMPERATURES DURING THE UPCOMING WEEK.
345 AM CST SUN FEB 28 2016 Spring-like temperatures to continue across the Lwr Missouri Vly today out ahead of a cold front that will swing through the area later this afternoon. with the only exception being across the far north and northwest where cooler air will begin to move south by early afternoon. High pressure to quickly build into the region tonight which will provide for a dry start to the upcoming workweek. Despite the passage of the cold front late Sunday afternoon. southerly flow will quickly return to the area on Monday as another area of low pressure begins to develop across the central High Plains thanks to incoming energy from the Northern Rockies.
A MODEST COLD FRONT WILL FOLLOW MID MORNING SUNDAY. SURFACE WINDS WILL VEER WEST AND NORTHWEST EARLY SUNDAY THEN A COLD FRONT IS EXPECTED BY MID SUNDAY MORNING WITH GENERIC BREEZY CONDITIONS INTO EARLY TO MID AFTERNOON. 20Z TEMPERATURES WERE IN THE LOWER TO MIDDLE 70S AREA-WIDE. NOT MUCH IN THE WAY OF CHANGES THIS AFTERNOON AS MODELS CONTINUE TO ADVERTISE A PROGRESSIVE SHORT WAVE PATTERN THROUGH AN UNDERLYING STAGNANT WRN CONUS RIDGE AND ERN CONUS TROUGH PATTERN.
CURRENT TEMPS RUNNING A FEW DEGREES WARMER THAN PREVIOUSLY ANTICIPATED IN RELATIONSHIP TO OVERNIGHT LOWS. THUS KEEPING WINDS UP TONIGHT DESPITE UPPER LEVEL RIDGING INFLUENCES PROGRESSIVELY BUILDING INTO THE REGION AS THE NIGHTTIME HOURS PROGRESS. DO QUESTION BUT DO BELIEVE THAT THEY WILL BE A FEW DEGREES WARMER THAN PREVIOUSLY FORECASTED.
348 AM CST SUN FEB 28 2016 EARLY MORNING WATER VAPOR IMAGERY SHOWS RIDGING OVER THE MUCH OF THE SOUTHEAST U. A LOW PRESSURE CENTER IS LOCATED OVER SOUTHERN MINNESOTA WITH A COLD FRONT DRAPED SOUTHWEST ACROSS KANSAS AND INTO THE FAR NORTHERN TEXAS PANHANDLE AT THIS HOUR. DEWPOINTS ARE EXPECTED TO BE IN THE LOW 60S ACROSS MUCH OF THE AREA.
407 AM EST SUN FEB 28 2016 LATEST REGIONAL SURFACE ANALYSIS SHOWS HIGH PRESSURE HAS SETTLED OVER SOUTH GEORGIA AND NORTH FLORIDA TONIGHT WITH EXCELLENT RADIATIONAL COOLING CONDITIONS OVER THE SOUTHERN TWO THIRDS OF THE STATE. ANOTHER TREMENDOUS DAY IN STORE AS HIGH PRESSURE SLIDES FURTHER TO THE SOUTH AND A BROADER SOUTHWEST FLOW REGIME RESULTS IN ADDITIONAL MODERATION OF THE AIRMASS. MOISTURE WILL BE A LIMITING FACTOR BUT SINCE WHAT IS THERE WILL BE AT THE LOW LEVELS. WILL SHADE ON THE HIGH SIDE OF GUIDANCE FOR POPS.
OVERNIGHT TEMPS WILL VARY FROM THE UPPER 20S TO AROUND 30 IN THE OUTLYING AREAS TO THE LOWER 30S IN THE URBANIZED AREAS. EXPECT LOW TEMPS MON MORNING TO BE NOTICEABLY WARMER THAN SUN MORNING. IN THE LOW/MID 40S.
HIGH PRESSURE OVER THE NORTHERN GULF WILL MIGRATE EASTWARD TODAY, AND SET UP OVER THE WESTERN ATLANTIC FOR A FEW DAYS.
1248 AM EST SUN FEB 28 2016 HIGH PRESSURE WILL GRADUALLY BUILD ACROSS THE SOUTHEAST THROUGH SUNDAY.
A COLD FRONT WILL START MOVING SE THROUGH THE STATE SUN EVENING.