Aikyam-Lab/Synoptic-Bench huggingface dataset:
SFC ANALYSIS HAS COLD FRONT PUSHING THROUGH METROPLEX DOWN SW THROUGH THE CONCHO VALLEY. ONLY CHANGES TO THE FORECAST WERE TO ADJUST WEATHER TYPE WITH ONGOING CONDITIONS AND TEMPS FOR THE APPROACHING COLD FRONT. /ISSUED 529 PM CST WED FEB 4 2015/ A FEW BREAKS IN THE OVERCAST ACROSS SOUTHEAST TEXAS EARLY THIS EVENING BUT CONDITIONS ARE EXPECTED TO DETERIORATE AHEAD OF AN APPROACHING COLD FRONT. ANOTHER REINFORCEMENT OF COOLER AIR WILL MOVE INTO SOUTHEAST TEXAS TOMORROW AS A RELATIVELY WEAK COLD FRONT MOVES THROUGH THE AREA IN THE MORNING. THERE MAY BE SOME PATCHY FOG AHEAD OF THE COLD FRONT EARLY IN THE MORNING.
703 PM EST WED FEB 4 2015 LOW PRESSURE STRENGTHENING IN THE GULF OF MEXICO WILL CROSS FLORIDA OVERNIGHT AND MOVE NORTHWARD ALONG THE EAST COAST THURSDAY. DRY WEATHER WILL RETURN THURSDAY INTO THE WEEKEND AS HIGH PRESSURE SETTLES OVER THE AREA.
715 PM EST WED FEB 4 2015 A COLD FRONT WILL PUSH THROUGH THE AREA THIS EVENING.
WITH 1 TO 2 INCHES EXPECTED IN THE HIGHER ELEVATIONS. CHATTANOOGA AIRPORT, TN 31 40 20 51 / 30 20 0 0 KNOXVILLE MCGHEE TYSON AIRPORT, TN 29 35 16 50 / 40 30 0 0 OAK RIDGE, TN 27 35 16 49 / 50 20 0 0 TRI CITIES AIRPORT, TN 27 32 12 47 / 50 30 10 0.
SOME AREAS OF LIGHT FREEZING DRIZZLE OR LIGHT SNOW WILL BE POSSIBLE THIS EVENING. RECENT REPORTS OF DRIZZLE AND FREEZING DRIZZLE ACROSS SE KS / SW MO. LITTLE MORE THAN A TRACE AMOUNT OF ICE IS LIKELY HOWEVER BRIDGES AND OVERPASSES WILL BE IMPACTED AS TEMPS COOL QUICKLY. /ISSUED 333 PM CST WED FEB 4 2015/ COLD FRONT IS IN THE PROCESS OF PUSHING THROUGH THE FORECAST AREA AND WILL CLEAR SE OK BY EARLY EVENING. ELSEWHERE THERE WILL BE CHANCE OF LIGHT DRIZZLE / FREEZING DRIZZLE / SNOW FLURRIES NEARER THE SFC FRONTAL ZONE BUT MEASURABLE PRECIP CHANCES WILL CONTINUE VERY LOW.
Have therefore lowered lows to between 3 and 6 degrees below 7 pm temperatures in my northeast areas, as am expecting the warmer air to move into the area by midnight.
537 PM CST WED FEB 4 2015 A STRONG COLD FRONT THAT SWEPT THROUGH RECENTLY WILL KEEP BREEZY WINDS OUT OF THE NORTH UNTIL LATE TONIGHT WHEN WINDS FINALLY RELAX. RETURN SOUTHWEST BREEZES EXPECTED THURSDAY AS NEW LEE TROUGH FORMS WITH MODEST DRY NORTHWEST FLOW ALOFT. RMCQUEEN LITTLE CHANGE MADE TO THE EXTENDED WITH UPPER RIDGING PROJECTED TO GRADUALLY PASS ACROSS THE SOUTHERN HIGH PLAINS THROUGH MUCH OF THE PERIOD.
611 PM EST WED FEB 4 2015 A COLD FRONT MOVING THROUGH AROUND MIDNIGHT WILL LOWER CLOUDS TO MVFR CEILINGS IN THE EARLY MORNING AS SNOW SHOWERS MOVE THROUGH EASTERN TENNESSEE.
WARM AIR ADVECTION IN THE WAKE OF A WEAK WARM FRONT WILL GRADUALLY SPREAD FROM WEST TO EAST TONIGHT. AT 20Z SURFACE ANALYSIS DEPICTS HIGH PRESSURE CENTERED IN SOUTH CENTRAL NORTH DAKOTA WITH CLEAR SKIES COVERING THE REGION. A LEE SIDE TROUGH OF LOW PRESSURE IS FORMING IN CENTRAL MONTANA. AS THE HIGH EXITS THE REGION TONIGHT GOOD WARM ADVECTION WILL HELP HOLD TEMPERATURES UP A BIT OVER LAST NIGHT. THIS WILL BE FOLLOWED BY A DRY TROUGH/COLD FRONT ON THURSDAY THAT WILL BRING IN BETTER MIXING AND PRODUCE HIGH TEMPERATURES CLOSE TO 40 SOUTHWEST.
HIGH PRESSURE STRENGTHEN ACROSS THE REGION THROUGH THE REMAINDER OF THE WEEK.
COLD FRONT WAS LOCATED FROM SOUTHEAST OF THE DFW METROPLEX SOUTHWEST TO THE LOWER TRANS PECOS REGION. WINDS ARE EXPECTED TO SHIFT TO NORTH WITH A PRE-FRONTAL TROUGH OVERNIGHT IN ADVANCE OF THE FRONT. GENERAL LIGHT AND VARIABLE FLOW THROUGH THE OVERNIGHT WITH MFVR/IFR CEILINGS AHEAD OF AN APPROACHING COLD FRONT. BUT AREAS OF FOG AND THE LOWEST VISIBILITIES ALONG THE COAST AND COASTAL PLAINS. A COLD FRONT WILL ENTER THE NORTHERN BORDER OF THE AREA AROUND 09-10Z AND MAKE IT TO THE COAST AROUND 12Z. BUT FEEL THE LOW-LEVEL DRY AIR SHOULD EVAPORATE THE PRECIPITATION.
156 PM CST TUE FEB 17 2015 SFC ANALYSIS SHOWS HIGH PRESSURE BUILDING SOUTH ACROSS TX/LA AND NW GULF THIS AFTERNOON.
401 PM EST TUE FEB 17 2015 HIGH PRESSURE ACROSS THE MIDWEST WILL MOVE EAST OF THE REGION TONIGHT WHILE A FIRST LOW PRESSURE SYSTEM MOVES WELL SOUTH OF THE AREA THIS AFTERNOON INTO TONIGHT.
AND INTO THE LOW-MID 20S ELSEWHERE ACROSS NORTH ALABAMA. AS THE LOW CLOUDS HAVE CONTINUED TO SLOWLY DISSIPATE ACROSS SOUTHERN MIDDLE TENNESSEE AND INTO NORTH ALABAMA. WITH LOWER STRATUS EXPECTED TO DEVELOP ONCE AGAIN LATE THIS EVENING AHEAD OF A REINFORCING COLD FRONT. NNW FLOW OF 5-10 KTS WILL BECOME LGT/VRBL BY THIS EVENING BEFORE INCREASING FROM THE WSW PRIOR TO ARRIVAL OF COLD FRONT.
MODELS THIS MORNING WERE IN GOOD AGREEMENT WITH MOVING AN UPPER LEVEL TROUGH, LOCATED NEAR THE LEFT EXIT REGION OF A 250MB JET STREAK, ACROSS WESTERN AND CENTRAL KANSAS BETWEEN 15Z AND 21Z TUESDAY. THE EXCEPTION WILL BE IN NORTH CENTRAL KANSAS WHERE CLOUD COVER AND A COLD FRONT CROSSING THIS AREA EARLY IN THE DAY WILL RESULT IN HIGHS TODAY MAINLY AROUND 40. TONIGHT AS UPPER LEVEL TROUGH MOVES EAST INTO THE MISSISSIPPI VALLEY THE SKIES ARE EXPECTED TO CLEAR. WEDNESDAY: ON WEDNESDAY, HIGH PRESSURE WILL SHIFT OFF TO THE EAST ACROSS THE CENTRAL PLAINS. NO PRECIPITATION IS EXPECTED AS SUBSIDENCE REMAINS IN CONTROL BEHIND THE PASSING SYNOPTIC TROUGH.
AFDSGX 904 AM PST TUE FEB 17 2015 A RIDGE OF HIGH PRESSURE ALOFT WILL CONTINUE TO BRING WARM AND FAIR WEATHER THROUGH WEDNESDAY.
201 PM CST TUE FEB 17 2015 AXIS OF BROAD UPPER LEVEL TROUGH CONTINUES TO PUSH EASTWARD ACROSS THE STATE WITH CLEARING SKIES ACROSS CENTRAL AND SOUTHEAST TEXAS. MOSTLY CLEAR SKIES SHOULD ALLOW TEMPERATURES TO FALL INTO THE LOW TO MID 30S OVERNIGHT WITH A FEW LOCATIONS ACROSS OUR NORTHERN COUNTIES BRIEFLY REACHING THE FREEZING MARK.
AFDSGX AFDSGX 134 PM PST TUE FEB 17 2015 A RIDGE OF HIGH PRESSURE ALOFT WILL CONTINUE TO BRING WARM AND FAIR WEATHER THROUGH WEDNESDAY.
WEAK LOW PRESSURE ALONG THE COAST WILL BRING CONTINUED WEAK WINDS TODAY AND AREAS OF LOW CLOUDS AND PATCHY FOG. HIGH PRESSURE INLAND WILL PERSIST INTO WEDNESDAY.
DO EXPECT TEMPS TO DROP NICELY INTO THE LOWER TO MID TEENS. MODELS DO SHIFT H5 RIDGE FROM OFF THE PACIFIC COAST INTO THE WEST COAST/ ROCKIES REGION. PATTERN CHANGE WILL GET UNDERWAY AT THE BEGINNING OF THE PERIOD AS A LONGWAVE TROUGH DIGS INTO THE CENTRAL CONUS. EVENTUALLY AN UPPER LOW WILL PINCH OFF OVER THE GREAT BASIN AND A STRONG TROUGH SETTLE INTO THE GREAT LAKES.
355 PM EST TUE FEB 17 2015 A WEAK RIDGE OF HIGH PRESSURE WILL BE OVER THE NORTH COUNTRY OVERNIGHT. AN UPPER TROUGH WILL APPROACH FROM THE GREAT LAKES ON WEDNESDAY.
ISSUED BY NATIONAL WEATHER SERVICE SHREVEPORT LA 232 PM CST TUE FEB 17 2015 UPPER LEVEL TROUGH AXIS REMAINS OVHD THIS AFTERNOON AND WILL PUSH EAST OF THE REGION TONIGHT. SHORT TERM PROGS SHOWING THAT THERE IS SOME MID LEVEL ASCENT IN ASSOCIATION WITH THIS TROUGH AXIS AND THIS LIFT/PRECIP COULD HOLD TOGETHER THIS EVENING ACROSS OUR NORTHERN COUNTIES BEFORE DISSIPATING AND/OR QUICKLY EXITING TO OUR NORTH AND EAST LATE TONIGHT. LARGE UPPER RIDGING WILL DOMINATE THE WESTERN THIRD OF THE COUNTRY RESULTING IN STRONG NORTHWEST FLOW ALOFT THROUGH THE REMAINDER OF THE WORK WEEK.
AND INTO THE LOW-MID 20S ELSEWHERE ACROSS NORTH ALABAMA. AS THE LOW CLOUDS HAVE CONTINUED TO SLOWLY DISSIPATE ACROSS SOUTHERN MIDDLE TENNESSEE AND INTO NORTH ALABAMA.
Radar echoes are greatly diminishing across the area as the upper level trough axis moves into west Texas. After today, northwesterly and westerly upper level flow will bring a return of warmer temperatures (10 to 15 degrees above normal) through the end of the week.
327 PM EST TUE FEB 17 2015 LOW PRESSURE WELL OFF THE DELMARVA COAST THIS AFTERNOON WILL CONTINUE TO MOVE EAST-NORTHEAST OUT TO SEA. SKIES STILL REMAINING CLOUDY ACROSS THE AREA AS LOW CLOUDS STILL REMAIN AND HIGH CLOUDS STREAMING NORTHEAST ABOVE THE LOWER CLOUDS. WV LOOP SHOWS DEEP TROUGH ACROSS THE CENTRAL PORTION OF THE COUNTRY THAT WILL GRADUALLY MOVE EASTWARD OVER THE NEXT 24 TO 36 HOURS. EASTERN CONUS UPPER LEVEL TROUGH AMPLIFIES WEDNESDAY WITH RESULTING STRENGTHENING COLD ADVECTION.
UPPER WAVE IN NORTHERLY FLOW ALOFT WILL BRING A COLD FRONT THROUGH THE REGION TODAY.
THE EXTENSIVE AREA OF 9-12KFT CIGS EXTENDING ALONG/S OF A SEP TO JWY/TRL/SLR LINE ALONG THE UPPER TROUGH AXIS CONTINUES TO GRADUALLY SHIFT ESE. BEHIND THE TROUGH. /ISSUED 1035 AM CST TUE FEB 17 2015/ UPPER LEVEL TROUGH AXIS IS DIRECTLY OVHD ATTM AND WILL BEGIN SHIFTING EAST OF OUR REGION BY THIS EVENING. UPPER LEVEL FORCING IN ASSOCIATION WITH THE TROUGH IS WEAK.
329 PM EST TUE FEB 17 2015 SKIES ARE RAPIDLY BECOMING PARTLY CLOUDY IN ADVANCE OF OUR NEXT COLD FRONTAL PASSAGE. AND FAR REACHING COLD FRONT IS DRAPED TO ITS SOUTHWEST. A COLD FRONT WILL CROSS THE EASTERN GULF OF MEXICO THROUGH THE REMAINDER OF THE OVERNIGHT TIME PERIOD.
926 AM PST Tue Feb 17 2015 Dry weather with above normal temperatures will continue through the week under high pressure. Highly amplified ridge along the W Coast will persist for another day or two. Then a gradual Ewd shift of the Hudson Bay low and long wave (deep trof) over Ern NOAM will allow short wave energy to drop down from Canada. carving out a deeper trof over the interior West and retrograding the highly amplified ridge west of 130W Thu and Fri. This pattern will result in cooler temps and breezy Nly winds over interior Norcal on Fri and into the weekend.
Still looks like the tail end of a weak cold front will drag across the northern part of the forecast area tomorrow night/Friday morning. Winds will turn gusty tomorrow 15-20KTs in advance of a weak cold front.
The weather has calmed down after the vigorous frontal passage early this morning, thanks to a building upper level ridge with the axis offshore. The upper level ridge will be centered over WA/OR/CA on Thursday with partly cloudy skies and afternoon temperatures in the upper 30s to upper 40s--locally in the lower 50s in the Bend and Redmond area. A ridge of high pressure will build over the region tonight and Thursday. Could see some fog developing over the next couple of nights with the presence of the ridge causing some shallow inversions.
High clouds are on the increase across eastern Oklahoma and northwest Arkansas, especially northeast Oklahoma, ahead of the approaching storm system/cold front set to move through tomorrow. The increasing clouds and likelihood of southerly winds staying up through the night will lead to a much warmer overnight than the last couple. A strong cold front will move through the TAF sites tomorrow morning, with gusty northwesterly winds developing later Thursday morning. This wave will aid in driving a cold front through the region tomorrow with strong post frontal winds expected. Notably cooler temperatures expected Friday along with windy conditions area wide.
1056 PM CST Wed Jan 13 2021 (This evening through Thursday) A deep upper low over the Upper Midwest will swing a cold front through Oklahoma and north Texas early Thursday.
/Today through Friday/ Upper air analysis from this morning shows a high pressure just off the coast of California with a developing low over south central Canada. This low will gradually dig southeastward into the Central Plains through the day today, becoming a closed low by this afternoon close to the Iowa, Nebraska, Missouri area. This low will send a fairly strong cold front through the area today. High temperatures today will range from the mid 50s across our northwest zones, where the cold front will move through earlier in the day to the mid 60s across our southeast zones. With the cooler and drier air filtering in behind the front, lows tonight will range from the lower to mid 30s across the area under mostly clear skies. Models are all in fairly good agreement in the location of this low on Friday.
/issued 142 PM EST Wed Jan 13 2021/ A mid-level trough over Louisiana will continue to move eastward through the rest of the day as a frontal boundary remains south of the region. This set up will continue to bring some light showers moving over the area from the Gulf, although rainfall totals will be on the low side again. This weather pattern should last into much of Friday as well, with temperatures warming even more ahead of the next cold front, which looks to move through Friday night.
One of the remaining heavier pockets of rain is currently moving east-northeast across the waters north of the Seven Mile Bridge, and it will likely affect the Upper Keys between now and midnight. interacted with a hung-up cold front over the Straits. A few hours of Small Craft northerlies occurred earlier this evening for most waters west of the Seven Mile Bridge. High pressure over the western Gulf will cross the central Gulf on Thursday, then reach the southeast Gulf on Friday.
1232 AM EST Thu Jan 14 2021 Dry weather is expected tonight and Thursday as high pressure persists to the south. A cold front will bring a chance of rain and snow showers Thursday night and Friday.
This is due to some drier air in the mid-levels begins to move in with a weak high pressure building over the Florida peninsula today. As the rainfall begins to exit the region lingering cloud cover and northerly wind will keep temperatures a little cooler than normal today. A deep mid-level trough will be moving over the northern CONUS and into the Northeast. A cold front will be sweeping across the SE US and down the Florida peninsula late Friday. A cyclonic flow regime should encompass the eastern CONUS as a closed upper circulation migrates through the lower Great Lakes.
Our next system is currently advancing through the northern Intermountain West and Saskatchewan, Canada, and will quickly progress across the High Plains tonight. An associated cold front will race through the CWA tonight, a little faster than previously expected. Looking longer term, another upper trough looks to move over the area this weekend. The strong cold front is currently sweeping through Nebraska, and remains on track to move through KMHK shortly after 08z and KTOP/KFOE around 09z. Strong northwest winds of 25 to 35 MPH with gusts to 50 mph combined with minimum relative humidity values in the low 20 percent range will cause very high to extreme fire danger Thursday afternoon in central and north-central KS.
A strong cold front will move into the area by midnight tonight. Behind the cold front winds remain gusty as the parent upper low moves slowly east and deepens.
WV imagery indicates a strong upper level trough of low pressure digging southeast across the Northern High Plains into the Western High Plains. Near the surface, a strong cold front is pushing southeast through eastern Colorado and southwest Nebraska. A strong cold front is expected to move through western Kansas overnight shifting winds to the north. As for temperatures, lows overnight look to dip into the 30s with highs tomorrow ranging from the low 40s across west central Kansas to around 50 degrees across south central Kansas.
A strong cold front will move into the area by midnight tonight. Behind the cold front winds remain gusty as the parent upper low moves slowly east and deepens. Strong and possibly damaging winds are the main concern overnight as a strong cold front pushes through the region.
While an exiting jet streak and passing mid level trough will support some wet snow showers across the Southern Tier during the first half of today. Passing ridge tonight will support fair dry weather. Warmer air ahead of the system will allow the ensuing pcpn to fall mainly as rain.
Otherwise, we're looking at northwest flow aloft in the near term ahead of a strong trough currently digging over the Canadian Prairie Provinces. The attendant surface cyclone is quite deep at 985 mb over southern Saskatchewan. Wind speeds will be lightest over northeast MS which is the only area where temperatures are expected to fall below freezing over a significant area. While freezing fog will be possible, the potential for icing issues appears low and confined to areas south and east of Tupelo. Fog and freezing fog have been added to the forecast with only minor modifications elsewhere. An upper low over the southern Canadian Rockies will drop into the middle and upper MS River valley through Friday morning, deepening in the process. Cooler temps are on tap for Friday, as the upper low reaches its southernmost position over central IL.
The weather has calmed down after the vigorous frontal passage early this morning, thanks to a building upper level ridge with the axis offshore. The upper level ridge will be centered over WA/OR/CA with partly cloudy skies and afternoon temperatures in the upper 30s to upper 40s--locally in the lower 50s in the Bend and Redmond area. A ridge of high pressure will build over the region tonight and Thursday. Could see some fog developing over the next couple of nights with the presence of the ridge causing some shallow inversions.
The surface reflection of the upper low will drag a cold front through the forecast area on Thursday. Carney The latest deterministic guidance now shows the closed low drifting southeast from central Iowa into central Illinois Thursday night into Friday. Temperatures should be just above freezing for most of the time the snow is falling, which should mitigate accumulations somewhat, but I think much of the area will see some accumulations under an inch.
Southwest low level winds will remain strong enough to cushion overnight lows, which are forecast to be in the low to mid 30s. Most of the spotty showers will occur along and ahead of the surface cold front, which will cross our region in the late afternoon and early evening hours. A secondary low level cold front or 850 mb trough could provide a kicker for some vigorous snow shower activity. Surface temps will be above freezing most of the day Friday, but temps will drop below freezing Fri night.
137 AM MST Thu Jan 14 2021 Satellite and 500 mb RAP analysis showed a closed low over Mississippi with ridging along the west coast. The cold front associated with the system enters the northern portion of the region around or shortly after midnight, progressing south through the remainder of the area by sunrise.
Ahead of an approaching cold front, winds just above the surface will increase and AUS/DRT have an outside chance of nearing LLWS thresholds, however the likelihood remains too low to include in the TAF. Quiet weather continues into tonight with overnight lows in the 30s, though remaining above freezing for most areas. Ridging at the surface moving eastward as the next approaching upper low dips into the Northern Plains tonight. The low will send a cold front through the area tomorrow afternoon bringing with it gusty northerly winds and colder air.
Biggest change is to beef up fog/freezing fog coverage as temp/dew point spreads are rather small and given lingering low level moisture conditions appear to be favorable for fog/low cloud redevelopment again tonight. The highest restrictions are progged at TYS which is currently LIFR with FZFG, as well as TRI where visbs continue to drop and guidance favors FG (possibly FZFG) development. CDG Chattanooga Airport, TN 55 37 50 31 40 / 0 20 10 10 10 Knoxville McGhee Tyson Airport, TN 53 37 47 31 37 / 0 20 30 20 20 Oak Ridge, TN 51 36 47 30 38 / 0 20 20 20 20 Tri Cities Airport, TN 50 32 44 28 35 / 0 10 40 20 40.
At the surface, breezy southwest winds are in the forecast ahead of a cold front, with a shift to the west/northwest this afternoon. Highs this afternoon should top out in the mid to upper 50s statewide as southwesterly surface flow continues to advect warmer air into the state. Expect an associated cold front to move through the area on Thursday, which will bring cloudy skies back to the state. Temperatures will quickly fall behind the cold front on Thursday, which will result in daytime highs occurring earlier than usual. The aforementioned upper level low will be slow to move east of the state, which will result in strong winds again for Friday, as well as some wraparound moisture.
Patchy fog should dissipate by 9 AM ET, and with temperatures near freezing outside the immediate coastal areas and Southeast FL Big Bend, cannot rule out some icy spots, especially some bridges and overpasses in the FL counties where the fog could be locally dense. The next cold front should be approaching the Apalachicola and Flint Rivers by sunrise Friday. A relatively warmer night is on tap with lows in the 40s.
An upper level trough will deepen into a closed low across Iowa, driving a cold front through the area in the morning. This will keep daytime temperatures in the low to mid 30s and lead to gusty winds to 25-35 mph (potentially up to 40 mph).
The main concern in the near term is the potential for patchy dense fog and even a small possibility of freezing fog in a few spots. What complicates things is that temps have already dropped into the low to mid 30s across much of the area this evening. Fog could certainly develop in areas where temps drop to or just below freezing. Therefore, we cannot rule out a few areas of freezing fog by morning which could result in a few slick spots on bridges and overpasses. This next front will get quickly pushed through our area late Thursday night/early Friday morning as an upper trough becomes highly amplified over the Midwest states.
Have issued freezing fog advisory for 2 counties and a special weather statement for several other far north and NW counties. By tonight, SW flow aloft on the periphery of the large upper low increases upward motion from DPVA and low level warm advection. Temps should remain above freezing for the duration of the event tonight and Friday, even at the highest elevations.
250 AM CST Thu Jan 14 2021 Quiet overnight with parts of the area remaining above freezing at the current hour. Nighttime RGB does show some fog along the TN/AL border spreading northward, but luckily most are above freezing in those areas. A weak upper-level ridge will pass by this afternoon. While temps aloft will be below freezing, surface temps and low- level temps will still be too warm for anything other than a cold rain. Friday will be cooler than today with much more seasonal temps.
256 AM EST Thu Jan 14 2021 Weak low pressure will quickly depart the area this morning.
325 AM EST Thu Jan 14 2021 A mix of rain and snow is possible early this morning, mainly north of Pittsburgh, with a fast moving trough. Dry weather and a warming trend is then expected before low pressure returns rain and snow to the region Friday through the weekend. Ridging and prevailing SW flow will keep the region dry and warmer than average overnight; temperatures are expected to be 10 degrees above the climatological average.
A strong cold front will move through the area before daybreak with winds increasing not long afterwards. Temperatures overnight tonight will be warmer than the previous few nights, with lows hovering right around freezing area-wide. A cold front will move through the CWA around sunrise tomorrow, with blustery/sub-Wind Advisory conditions expected post-FROPA owing to modest pressure rises as the core of the upper-level low pivots over the north-central Great Plains and into the Upper Midwest region. Sincavage Cool and dry air will continue to dump into the Texas South Plains region Thursday night into Friday behind the deep upper level low pressure system in the upper Midwest.
High pressure will build into the area through the end of the work week.
A strong cold front will sweep through the sites Thursday morning, with a period of LLWS after the frontal passage. High clouds are on the increase across eastern Oklahoma and northwest Arkansas, especially northeast Oklahoma, ahead of the approaching storm system/cold front set to move through tomorrow. The increasing clouds and likelihood of southerly winds staying up through the night will lead to a much warmer overnight than the last couple. A strong cold front will move through the TAF sites tomorrow morning, with gusty northwesterly winds developing later Thursday morning. This wave will aid in driving a cold front through the region tomorrow with strong post frontal winds expected. Notably cooler temperatures expected Friday along with windy conditions area wide.
1246 AM EST Thu Jan 14 2021 High pressure ridging increasing into Friday, with a cold front bringing a brief chance of showers Friday night. Overnight lows will be in the low to mid 30s. With high pressure centered in the Gulf and the exiting low to our northeast, winds will be breezy with gusts up to 20mph in the southern Midlands and CSRA.