Aikyam-Lab/Synoptic-Bench huggingface dataset:
BLV MOST AREAS WEST OF THE CUMBERLAND PLATEAU WONT SEE TEMPS FALL OUT OF THE LOWER TO MIDDLE 50S TONIGHT. A 996 MB LOW CURRENTLY ON THE KS/OK BORDER WILL CONTINUE TO MOVE NORTHEASTWARD THE NEXT SEVERAL HOURS AND DRAG A COLD FRONT INTO MIDDLE TENNESSEE TOMORROW NIGHT.
323 AM EST SUN JAN 31 2016 HIGH PRESSURE MOVES FARTHER OFF THE NORTH CAROLINA COAST TODAY.
THE LOW WILL PUSH NORTHEAST BUT THE THE TRAILING COLD FRONT WILL ENTER NORTH TEXAS THIS MORNING AND APPROACH SE TX THIS AFTN. WINDS WILL BE LIGHTER TONIGHT AND SFC DEW PTS WILL CLIMB INTO THE LOWER 60S NEAR THE COAST.
A COLD FRONT WILL STALL OVER SOUTHERN UTAH TONIGHT.
313 AM CST SUN JAN 31 2016 THE 09Z SURFACE ANALYSIS INDICATED THAT A WEAK AREA OF HIGH PRESSURE WAS ACROSS THE TENNESSEE VALLEY. WHICH IS MUCH WARMER DUE TO WARM ADVECTION COMPARED TO YESTERDAY. A COLD FRONT WILL MAKE ITS MOVE FROM THE NORTHERN PLAINS STATES TODAY TO THE OHIO RIVER VALLEY BY 06Z TONIGHT.
AN AREA OF LOW PRESSURE SITS OVER E/SERN CO. WITH A TROUGH AXIS EXTENDING N/NE THROUGH NWRN PORTIONS OF THE CWA. ALL HELPING TO KEEP TEMPS AT LEAST A FEW DEGREES COOLER TODAY.
CONDITIONS SHOULD REMAIN FAIRLY QUIET BUT A BIT COOLER AS 925MB TEMPS CONTINUE THEIR SLOW FALL THROUGHOUT THE DAY.
A COLD FRONT WILL BRING CHANCES FOR SHOWERS TO THE NORTHERN REACHES OF THE STATE TONIGHT NEAR THE UTAH BORDER.
1210 AM EST SUN JAN 31 2016 A WARM FRONT WILL CROSS THE REGION TONIGHT AND SUNDAY.
1128 PM EST SAT JAN 30 2016 HIGH PRESSURE WILL SHIFT OFF THE EAST COAST TONIGHT AND SUNDAY.
324 AM EST SUN JAN 31 2016 LATEST SURFACE ANALYSIS SHOWS WEAK HIGH PRESSURE OFF THE MID ATLANTIC COAST AND PRODUCING A MOIST.
1028 PM CST SAT JAN 30 2016 06Z TAF CYCLE A COLD FRONT WILL MOVE ACROSS THE GUYMON AND DALHART TAF SITES AROUND 06Z TO 08Z SUNDAY SHIFTING THE WINDS FROM THE SOUTHWEST AND WEST 10 TO 20 KNOTS AROUND TO THE NORTHWEST AND NORTH NEAR 15 TO 20 KNOTS WITH SOME GUSTS TO NEAR 25 KNOTS POSSIBLE FOR ABOUT AN HOUR OR TWO AFTER FRONTAL PASSAGE. THE COLD FRONT WILL MOVE THROUGH THE AMARILLO TAF SITE AROUND 08Z TO 10Z SUNDAY AND WINDS WILL ALSO SHIFT FROM THE SOUTHWEST AND WEST 15 TO 25 KNOTS WITH GUSTS NEAR 30 KNOTS AROUND TO THE NORTHWEST AND NORTH 10 TO 20 KNOTS. A COLD FRONT WILL THEN PUSH ACROSS THE THREE TAF SITES BETWEEN ABOUT 08Z TO 12Z SUNDAY SHIFTING THE WINDS TO THE NORTH 10 TO 20 KNOTS.
WEAK COLD AIR ADVECTION AND CLOUD COVER SHOULD KEEP TEMPERATURES A BIT COOLER TODAY.
Cold front associated with these waves was through the western half of the CWA at 09Z. Weak ridging builds in aloft ahead of the main upper wave tonight, with a resulting band of modest frontogenesis developing aloft. Moisture quality in the low levels will likely remain too low for any measurable precip through the night however.
1100 PM CST SAT JAN 30 2016 FOR 06Z TAFS SURFACE ANALYSIS THIS EVENING CONTINUES TO SHOW A BROAD AREA OF HIGH PRESSURE STRETCHED ACROSS MUCH OF THE SOUTHEAST US. GIVEN THE HIGH TO OUR EAST AND LOW TO THE WEST.
1214 AM EST SUN JAN 31 2016 WARM WEATHER WILL CONTINUE UNTIL A STRONG COLD FRONT PASSES DURING MIDWEEK. WARM ADVCTN IN ADVN OF MIDWRN TROFG WL MAINTAIN TEMPS ABOUT 20 DEGREES ABOVE THE AVGS TODAY. RAIN CHCS WL ALSO BE ON THE INCREASE OVR AREAS WEST OF PIT AS ASCENT FIELDS ON THE ERN FLANK OF THAT TROF IMPROVE WITH THE MSTR SUPPLY. PRECIPITATION WILL BECOME LIKELY OVERNIGHT SUNDAY AS AN UPPER LEVEL TROUGH DIGS ACROSS THE GREAT LAKES. WITH HIGHEST AMOUNTS RESIDING ALONG THE HIGHER TERRAIN.
/ISSUED 905 PM CST SAT JAN 30 2016/ SKIES ARE MOSTLY CLEAR ACROSS THE FORECAST AREA THIS EVENING WITH TEMPERATURES RANGING FROM THE LOWER 50S TO THE LOWER 60S. TEMPERATURES RANGED FROM THE LOW 60S TO LOW 70S.
247 AM CST SUN JAN 31 2016 A very warm night is underway across the region this morning, with 2 AM temperatures in the mid to upper 50s, with a few spots in the low 60s. As mentioned above, mid and high level cloud cover will stream into the area today, as a dry cold front drops south into the region from the northwest. Tonight looks to be cooler but still mild, with lows in the mid to upper 30s.
317 AM EST SUN JAN 31 2016 WARMER AIR WILL BE MOVING INTO THE REGION TODAY ON SOUTHWESTERLY WINDS.
A strong upper level trough is forecast to eject from the southwestern U.
323 AM CST SUN JAN 31 2016 COLD FRONT QUICKLY MOVING THROUGH NORTHWEST THIS MORNING WILL CONT TO PUSH OFF TO THE SOUTHEAST THIS MORNING.
a cold front will slide across the region later today.
443 AM EDT WED APR 6 2016 A STRENGTHENING LOW PRESSURE SYSTEM WILL MOVE EAST ACROSS THE WESTERN GREAT LAKES TODAY AND TONIGHT CAUSING RAINY AND WINDY CONDITIONS ACROSS OUR AREA. COLDER AIR WILL MOVE IN BEHIND THE LOW TONIGHT CAUSING RAIN SHOWERS TO MIX WITH SNOW. ACCUMS SHOULD BE A DUSTING A MOST AS TEMPS WILL BE A BIT ABOVE FREEZING AND PRECIP FAIRLY LIGHT. VERY COLD AIR WILL SETTLE BACK INTO THE FORECAST AREA AS A SERIES OF UPPER LEVEL TROFS DEEPEN THE MAIN LONGWAVE TROF OVER THE EASTERN CONUS.
ELSEWHERE SCT SHOWERS ARE EXPECTED THE REMAINDER OF THE DAY AS THE LOW PASSES IN ADDITION TO THE UPPER TROUGH PASSAGE FOR THE LATE AFT AND EARLY EVENING. WITH THE LOW MOVING ACROSS FAR SRN WI. A N-S TEMP GRADIENT IS EXPECTED WITH HIGHS IN THE LOWER TO MID 40S TOWARD CENTRAL WI AND LOWER 50S FAR SOUTH. NWLY WINDS AND COLD ADVECTION TO PREVAIL LATER THIS AFTERNOON AND TNT WITH TEMPS FALLING INTO THE LOWER 30S BY THU AM.
354 AM CDT WED APR 6 2016 DRY WEATHER AND SLIGHTLY COOLER THAN AVERAGE TEMPERATURES CONTINUED ACROSS THE FORECAST AREA THIS MORNING. A LIGHT EASTERLY FLOW AROUND THIS RIDGE SHOULD BECOME MORE SE-LY AND INCREASE LATER THIS MORNING. THEN BECOME SW IN THE AFTERNOON AND EVENING BEFORE A COLD FRONT MOVES IN FROM THE WEST. AN UPPER LOW TRAVERSING THE NORTHERN PLAINS WAS HEADING EASTWARD. OTHER UPPER LOWS WERE HEADED TO THE EAST IN THE MAIN POLAR JET FROM THE NORTH PACIFIC. AND SOUTH OF UPPER RIDGING HOLDING STRONG OVER THE PACIFIC NW. MOS WHILE THE LAMP/ECMWF/SUPERBLEND ARE A BIT HIGHER INTO THE LOWER 50S. GOING WITH THE HIGHER VALUES. THE SYSTEM'S COLD FRONT SHOULD REACH OUR WESTERN AREAS IN THE EARLY EVENING. AND THE MEAN EASTERN TROUGH DEEPENS.
314 AM CDT WED APR 6 2016 Still will see showers and scattered thunderstorms moving through the area today as upper trough currently extending from the Dakotas back into the central High Plains will move into eastern Illinois by 00Z tonight according to the NAM/GFS. The showers and scattered storms will be mainly focused ahead of the cold front between 12-18Z where the low level moisture convergence will move from west to east across the the CWA under the ascent ahead of the mid level trough. The rain will begin to end as the upper trough axis begins to move into the the area during the afternoon.
Sfc analysis and area radars show the cold front moving thru the South Plains at a brisk pace, and will arrive at the first termianls in 1-2 hours. A fast moving cold front will arrive at HOB by 08Z with 25-30kt winds, MVFR BLDU seems likely too. A cold front currently in northwestern Kansas will rapidly drop south tonight bringing gusty north winds immediately behind the front, and quickly diminishing within 2 to 3 hours after frontal passage.
These winds are in response to a low pressure system moving out of the Central Plains.
THE DRY BACK DOOR COLD FRONT IS MOVING THROUGH THE AREA THIS MORNING WITH HIGH PRESSURE RIDGING INTO THE AREA BEHIND IT. ALOFT THE UPPER TROUGH OVER THE AREA WILL SHIFT EAST BRINGING SOME ZONAL FLOW. ANOTHER COLD FRONT WILL THEN PUSH INTO THE AREA OVERNIGHT AND MOVE THROUGH THE AREA THURSDAY AS ANOTHER UPPER TROUGH MOVES OVER THE AREA WITH A CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE PERIOD.
409 AM CDT WED APR 6 2016 (Today and Tonight) Upper trough will move from the northern/central Plains across the Midwest today, and will deepen over the Great Lakes and Ohio Valley tonight. Associated cold front, currently advancing rapidly south across the Big country, will push south of our area by mid-morning. Gusty north winds will follow passage of this cold front and will continue through early this afternoon before decreasing. High temperatures today will be 6-12 degrees cooler than yesterday across our area, but still slightly above normal. This high will settle southeast across our area and into south-central Texas overnight. A few upper 30s are possible in some of the low-lying areas and river valleys of our eastern and southern counties.
1038 PM PDT TUE APR 5 2016 High pressure will bring a rapid warming trend to the Inland Northwest.
WATER IMAGERY SHOWS A VIGOROUS 500MB SHORT WAVE TROUGH EXTENDING FROM NORTH DAKOTA INTO NEW MEXICO EARLY THIS MORNING. TODAY WILL BE WARM WITH HIGH TEMPERATURES RANGING FROM THE LOWER 80S NEAR THE COAST. HIGH PRESSURE SETTLES ACROSS DEEP SOUTH TEXAS LATE TONIGHT INTO THURSDAY RESULTING IN LIGHT WINDS.
A COLD FRONT WILL BE MOVING INTO THE REGION TONIGHT WITH SOME SHOWERS AND EVEN A POSSIBILITY OF A RUMBLE OF THUNDER OVER WESTERN AND SOUTHERN AREAS JUST AHEAD OF THE FRONT.
Sfc analysis shows the cold front just arrived at KFST, moving at a pretty good clip. The first item of interest is a cold front barreling its way through the area this morning. Temperatures will be about 10 degrees cooler today and lessening winds should make it a nice afternoon and evening. This upper trough will weaken as it comes ashore along the West Coast Thursday, but disturbances in the southwesterly mid level flow could spark a few showers or storms across our area.
607 AM EDT WED APR 6 2016 LOW PRESSURE OVER THE UPPER MIDWEST WILL MOVE ACROSS THE CENTRAL LAKES THIS EVENING. DRAGGING A COLD FRONT ACROSS THE FORECAST AREA. THE LOW WILL DRIFT INTO QUEBEC WITH A SERIES OF TROUGHS ROTATING ACROSS THE GREAT LAKES INTO THE WEEKEND. TEMPS WILL WARM INTO THE 50S AND DEW POINTS CREEP INTO THE 40S AHEAD OF THE APPROACHING COLD FRONT. MODELS IN GOOD AGREEMENT TRACKING THE LOW ACROSS SE LOWER MICHIGAN THIS EVENING AND ACROSS LAKE HURON OVERNIGHT. DRAGGING STRONG COLD FRONT ACROSS THE FORECAST AREA. DEEP UPPER TROUGH DIGS OVER THE AREA BY THE WEEKEND.
Cold front passing through the region this morning, with a wind shift to the northwest following its passage. /ISSUED 255 AM CDT WED APR 6 2016/ Scattered showers starting to develop across northeast Oklahoma in strong low level jet axis with cold front located near a Ponca City, Kingfisher, Fredrick line. Another weak cold front will move into northeast Oklahoma/northwest Arkansas Thursday morning, pushing to near the Red River by mid afternoon. Warm conditions are expected ahead of the front across southeast Oklahoma with high temperatures into the lower 80s.
COLD FRONT MOVING THROUGH THE TEXAS SOUTH PLAINS WILL MOVE INTO THE REGION AROUND 18Z.
640 AM EDT WED APR 6 2016 A STRENGTHENING LOW PRESSURE SYSTEM WILL MOVE EAST ACROSS THE WESTERN GREAT LAKES TODAY AND TONIGHT CAUSING RAINY AND WINDY CONDITIONS ACROSS OUR AREA. COLDER AIR WILL MOVE IN BEHIND THE LOW TONIGHT CAUSING RAIN SHOWERS TO MIX WITH SNOW. ACCUMS SHOULD BE A DUSTING A MOST AS TEMPS WILL BE A BIT ABOVE FREEZING AND PRECIP FAIRLY LIGHT. VERY COLD AIR WILL SETTLE BACK INTO THE FORECAST AREA AS A SERIES OF UPPER LEVEL TROFS DEEPEN THE MAIN LONGWAVE TROF OVER THE EASTERN CONUS.
STRONG NORTHWEST FLOW ALOFT TODAY WILL DECREASE SLIGHTLY ON THURSDAY AS AN UPPER LEVEL RIDGE TRIES TO MOVE IN FROM THE PACIFIC NORTHWEST.
A LOW PRESSURE AREA WILL BRING A HIGH LIKELIHOOD OF RAIN WEDNESDAY NIGHT INTO THURSDAY.
Otherwise high pressure will be steadily strengthening over the next few days leading to weather far more akin to mid May as opposed to early April.
1130 PM MDT TUE APR 5 2016 CIRCULATION FROM AN UPPER LOW OVER SOUTHWEST SASKATCHEWAN IS BRINGING RAIN AND/OR SNOW SHOWERS TO THE EASTERN PORTION OF THE COUNTY WARNING AREA. AS THIS LOW DEPARTS THE MONTANA AREA, PRIMARILY NORTHWESTERLY WINDS ALOFT WILL PERSIST OVER OUR REGION THROUGH 18Z/WED AS A HIGH PRESSURE RIDGE ALOFT BUILDS EASTWARD.
329 AM CDT WED APR 6 2016 WATER VAPOR IMAGERY SHOWS A LOW PRESSURE SYSTEM OVER THE NORTHERN PLAINS MOVING OFF TO THE EAST. WITH A TROF EXTENDING DOWN THE PLAINS INTO THE SOUTHWEST U. A COLD FRONT IS REFLECTED AT THE SURFACE FROM THIS FEATURE. LOOKS LIKE WINDS JUST ABOVE THE SURFACE HAVE INCREASED ENOUGH IN RESPONSE TO THE ADVANCING TROF. MID AND HIGH LEVEL CLOUDS INCREASING AHEAD OF THE TROF. PUSHING A WEAK COLD FRONT INTO THE UPPER SOUTHEAST TEXAS PORTION OF THE FORECAST AREA BY LATE AFTERNOON. MOISTURE INCREASE AHEAD OF THE FRONT LOOKS TO STAY ON THE LOW SIDE. AND MAINLY IN THE LOWEST LEVELS OF THE ATMOSPHERE. MOISTURE MAINLY IN THE LOWEST LEVELS.
A SHORT WAVE TROUGH FROM THE CENTRAL PLAINS DOWN TO THE SOUTH PLAINS OF TEXAS THIS MORNING WILL QUICKLY MOVE SOUTHEAST TODAY AND BE LOCATED FROM THE MID AND LOWER MISSISSIPPI RIVER VALLEY TO THE NORTHWEST GULF OF MEXICO. THE ASSOCIATED COLD FRONT WAS MOVING INTO THE PERMIAN BASIN EARLY THIS MORNING. BUT DRIER AIR WILL WORK ITS WAY INTO THE REGION WITH TEMPERATURES FALLING INTO THE LOWER 50S ACROSS THE NORTHERN COUNTIES.
503 AM CDT WED APR 6 2016 THE UPPER LEVEL TROUGH THAT BROUGHT ALL THE WINDS YESTERDAY AND OVERNIGHT WILL BE MOVING THROUGH THE CENTRAL PLAINS TODAY AS RIDGING AND NORTHWEST FLOW FILL IN BEHIND. THE NORTH AND EASTERN COUNTIES WILL STILL BE FEELING SOME OF THE EFFECTS OF THE TROUGH TODAY AS NORTHWEST WINDS MOVING THROUGH THE BACKSIDE OF THE TROUGH WIP THROUGH THE TIGHT PRESSURE GRADIENT. THE NORTH WINDS WILL KEEP DAYTIME HIGHS ABOUT 10 DEGREES COOLER THAN YESTERDAY AND CLOSER TO CLIMO. A BACKDOOR COLD FRONT WILL MAKE ITS WAY THROUGH THE AREA THURSDAY. WITH UPPER LEVEL RIDGING IN PLACE.
Another upper level system is will move into the northern Rockies this weekend, with lee troughing over western Kansas.
1138 PM MDT TUE APR 5 2016 THE STRONG PRESSURE GRADIENT COINCIDENT WITH THE COLD FRONT WHICH SWEPT NORTH TO SOUTH ACROSS THE REGION TODAY SHIFTED SOUTH OF THE FORECAST AREA EARLY THIS EVENING. COLD FRONT HAS BEEN WORKING ITS WAY SE ACROSS OUR CWA AND AT 21Z WAS WELL SOUTH OF I-70. THE UPPER TROUGH WILL MOVE EAST OF OUR AREA LATER TONIGHT. TEMPERATURES WEDNESDAY SHOULD REBOUND BEHIND TODAYS COLD FRONT.
1219 AM CDT WED APR 6 2016 A COLD FRONT WILL DROP SE THROUGH THE STATE ON WED. TONIGHT THROUGH WEDNESDAY NIGHT COLD FRONT THAT PUSHED THROUGH THE STATE LAST NIGHT REMAINS STALLED SOUTH OF THE STATE WITH BREEZY CONDITIONS BEING SEEN AROUND THE AREA. COLD FRONT WILL BEGIN TO LIFT BACK TO THE NORTH. THIS TIME AS A WARM FRONT. THE MAIN LOW PRESSURE WILL TRACK WELL NORTH OF THE STATE AND BRING ITS ASSOCIATED COLD FRONT THROUGH THE STATE ON WEDNESDAY.
HIGH PRESSURE WILL KEEP CONDITIONS QUIET AND DRY THROUGH WEDNESDAY. -GIH PREVIOUS DISCUSSION: CLEARING SKIES THE REST OF TODAY AS A COLD FRONT CONTINUES TO MOVE OFF OF THE ATLANTIC COAST. DRY AIRMASS IN ITS WAKE WILL HELP DRIVE TEMPERATURES DOWN BELOW FREEZING TONIGHT FOR MOST OF THE CWA WITH SOME UPPER 20S POSSIBLE IN THE USUAL COLD SPOTS.
HIGH PRESSURE WILL MOVE FROM NORTHEAST OF THE REGION TO THE EAST TODAY. A WARM FRONT WILL LIFT THROUGH THIS EVENING. FOLLOWED BY A COLD FRONT THURSDAY MORNING.
HIGH PRESSURE ALOFT ACROSS THE GREAT BASIN WILL BRING DRY CONDITIONS AND A WARMING TREND FOR TODAY AND THURSDAY.
UPPER LEVEL RIDGE WILL CONTINUE TO BUILD INTO THE REGION TONIGHT AND WEDNESDAY WITH A NORTHWEST FLOW ALOFT. SATELLITE CONTINUES TO SHOW PLENTY OF MID AND HIGH LEVEL CLOUDS OFFSHORE MOVING THROUGH THE RIDGE. THE RIDGE WILL BE CENTERED OVER THE AREA THURSDAY WITH CLEAR TO PARTLY CLOUDY SKIES.
WITH THE CURRENT TREND IN THE LOWER CLOUDS MOVING INTO THE AREA THIS MORNING HAVE INCREASED SKY COVER FOR A TIME TODAY.
THE DRY AIR WILL IMPEDE PRECIP FROM REACHING THE GROUND UNTIL ADDITIONAL FORCING PROVIDED BY COLD AIR ADVECTION AND LIFT NEAR THE SISSETON HILLS CONVERGE WITH RH RECOVERY AFTER MIDNIGHT TO HELP MOISTEN THE LOWER LEVELS.
The first item of interest is a cold front barreling its way through the area this morning. Temperatures will be about 10 degrees cooler today and lessening winds should make it a nice afternoon and evening. This upper trough will weaken as it comes ashore along the West Coast Thursday, but disturbances in the southwesterly mid level flow could spark a few showers or storms across our area.
508 AM EDT WED APR 6 2016 THE COLD PRESSURE RIDGE IN THE FORECAST AREA EARLY TODAY WILL BE OFF THE COAST THIS AFTERNOON. WARMING WILL OCCUR IN THE SOUTH FLOW ON THE BACKSIDE OF THE HIGH AND AHEAD OF AN APPROACHING COLD FRONT. THE PRESSURE RIDGE EXTENDING THROUGH THE FORECAST AREA EARLY WILL BE OFF THE COAST THIS AFTERNOON. THE MODELS SHOW THE COLD FRONT MOVING INTO THE AREA LATE. FOLLOWED THE HIGHER LOW TEMPERATURE GUIDANCE BECAUSE OF MIXING ASSOCIATED WITH THE FRONT. THE BULK OF THE SHOWERS ASSOCIATED WITH THE COLD FRONT SHOULD BE EXITING THE FORECAST AREA EARLY THURSDAY.
331 AM CDT WED APR 6 2016 Axis of upper trough was pushing southeast across central portions of Kansas early this morning with rain shield ahead of it. With steep low level lapse rates and good mixing again, winds will again be strong but from the northwest today as the surface cyclone passes through the southern Great Lakes. Stayed closer to the warmer end of guidances for highs in the deep mixing.
512 AM EDT WED APR 6 2016 A WEAK AND DIFFUSE COLD FRONT CONTINUES TO MOVE ACROSS THE FLORIDA PENINSULA AND ADJACENT WATERS EARLY THIS MORNING. MEANWHILE ANOTHER COLD FRONT IS FORECAST TO ENTER THE FLORIDA PANHANDLE AND NORTHEASTERN GULF TONIGHT INTO THURSDAY MORNING WHICH WILL CONTINUE A CHANCE OF SHOWERS ACROSS THE REGION TONIGHT WITH THE GREATEST COVERAGE CONTINUING TO BE ACROSS THE ATLANTIC WATERS AND EASTERN PENINSULA WHICH IS WHERE THE SURFACE AND LOW LEVEL CONVERGENCE WILL BE MOST FAVORABLE.
RADAR WAS SHOWING A NARROW BAND OF HEAVY SNOW AND SLEET LIFTING INTO THE HIGHWAY 2 CORRIDOR FROM GRAND RAPIDS. AS THE LOW DROPS ACROSS CENTRAL MINNESOTA AFTER MIDNIGHT. A SURGE OF ABOVE FREEZING 850HPA TEMPS ROTATES ACROSS THE SOUTHERN HALF OF THE FORECAST AREA. DUE TO SURFACE TEMPERATURES EXPECTED TO HOVER AROUND THE FREEZING MARK OVERNIGHT. HAVE INCLUDED A MENTION OF FREEZING RAIN LATE TONIGHT INTO WEDNESDAY MORNING FOR LOCATIONS GENERALLY ALONG AND SOUTH OF HIGHWAY 2. THE PERIOD WILL START WITH THE SHORT WAVE TROF DIGGING INTO THE UPPER MIDWEST.
337 AM CDT WED APR 6 2016 HIGH PRESSURE CENTERED ALONG THE ATLANTIC COAST EARLY THIS MORNING. TEMPERATURES RANGING FROM THE LOWER 50S TO LOWER 60S AT 3 AM. COLD FRONT STILL ON TRACK TO MOVE THROUGH THE AREA OVERNIGHT TONIGHT. CANADIAN HIGH PRESSURE WILL MOVE INTO THE MISSISSIPPI RIVER VALLEY BEHIND THE FRONT.
354 AM CDT WED APR 6 2016 (Today and Tonight) Upper trough will move from the northern/central Plains across the Midwest today, and will deepen over the Great Lakes and Ohio Valley tonight. Associated cold front, currently advancing rapidly south across the Big country, will push south of our area by mid-morning. Gusty north winds will follow passage of this cold front and will continue through early this afternoon before decreasing. High temperatures today will be 6-12 degrees cooler than yesterday across our area, but still slightly above normal. This high will settle southeast across our area and into south-central Texas overnight. A few upper 30s are possible in some of the low-lying areas and river valleys of our eastern and southern counties.
CURRENT SITUATION AND ANALYSIS -- AN EXPANSIVE ANTICYCLONE CURRENTLY IS MIGRATING QUICKLY EASTWARD OVER THE EASTERN SEABOARD AND ADJACENT ATLANTIC. OVER THE WATERS BETWEEN THE LOWER KEYS/MARQUESAS KEYS AND WESTERN CUBA. AN EXPANSIVE HIGH PRESSURE SYSTEM OVER THE EASTERN UNITED STATES WILL SHIFT QUICKLY EASTWARD OVER THE WESTERN NORTH ATLANTIC TODAY.
70 KT LOW LEVEL JET/MOISTURE TRANSPORT KICKS IN TONIGHT AHEAD OF THIS SYSTEM/S COLD FRONT. UPPER LEVEL TROUGH AXIS TRACKING EAST ON WED. WILL SKETCH OUT THE HIGHER PCPN CHANCES WITH THIS IN MIND.
203 AM PDT WED APR 6 2016 High pressure will bring a rapid warming trend to the Inland Northwest.
139 AM EDT WED APR 6 2016 HIGH PRESSURE WILL GIVE THE AREA ANOTHER VERY COLD NIGHT.
A STRONG UPPER RIDGE TO THE SOUTHWEST WILL BUILD NORTHEAST.
255 AM CDT WED APR 6 2016 Scattered showers starting to develop across northeast Oklahoma in strong low level jet axis with cold front located near a Ponca City, Kingfisher, Fredrick line. Another weak cold front will move into northeast Oklahoma/northwest Arkansas Thursday morning, pushing to near the Red River by mid afternoon. Warm conditions are expected ahead of the front across southeast Oklahoma with high temperatures into the lower 80s.
MOST OF THE AREA WILL REMAIN DRY DURING THE DAY AS THE HIGHEST PRECIPITATION CHANCES HOLD OFF UNTIL THE EVENING AND OVERNIGHT HOURS. FORECAST RAINFALL TOTALS ARE GENERALLY AN INCH OR LESS THROUGH THURSDAY MORNING WITH THE HIGHEST TOTALS EXPECTED IN NORTHWEST GEORGIA.
515 AM CDT WED APR 6 2016 MOSTLY CLOUDY AND MILD THIS MORNING WITH A WIDE RANGE OF TEMPERATURES AS SOME SITES ARE SHELTERED AND NEAR CALM WHILE OTHERS WITH SOME MIXING WIND ARE WARMER. THE MID SOUTH RADAR MOSAIC IS SHOWING SOME LIGHT SHOWERS TAKING SHAPE AHEAD OF THE COLD FRONT OVER SOUTHEAST OKLAHOMA. THE COLD FRONT EXTENDS FROM SW MO ACROSS MUCH OF OK INTO N TX.
WINDS WILL REMAIN NEAR 10 KT OVERNIGHT FROM THE SOUTHEAST UNTIL A COLD FRONT MOVES THROUGH MID-MORNING WEDNESDAY. A COLD FRONT WILL SWEEP THROUGH ALL TERMINALS FROM 15-17Z WEDNESDAY AND RAPIDLY CLEAR CLOUDS, RESULTING IN VFR THROUGH THE REST OF THE PERIOD. A COLD FRONT WILL MOVE THE AREA WEDNESDAY MORNING.
TROUGH OF WARM AIR ALOFT SIGNATURE. PER GFS 700MB THETA-E RIDGE AXIS. CANCELLED THE HIGH WIND WARNING SOUTHWEST AND REPLACED WITH A WIND ADVISORY FOR THE REMAINDER OF TONIGHT. AHEAD OF THIS LOW A PRONOUNCED DRY SLOT MOVED INTO CENTRAL NORTH DAKOTA.
STRONG COLD FRONT CURRENTLY STRETCHING FROM OKC TO OMA WILL RACE SOUTHEAST TODAY. 00Z GUIDANCE ALL IN AGREEMENT ON A FEW SHOWERS DEVELOPING LATE THIS MORNING ACROSS WESTERN ZONES AS UPPER TROUGH APPROACHES FROM THE NORTHWEST.
MORE EXTENDED GOOD FLYING WEATHER EXPECTED TODAY WITH A COLD FRONT BUILDING INTO A RELATIVELY DRY SOUTHEASTERN U.
339 AM CDT WED APR 6 2016 WITH CIRRUS STREAMING ACROSS THE REGION AS AN UPPER LEVEL TROUGH SWINGS ACROSS THE GREAT PLAINS. A COLD FRONT STRETCHED FROM THE TEXAS PANHANDLE INTO THE NORTHERN PLAINS. THE COLD FRONT WILL CONTINUE TO PUSH SOUTH TODAY. THE HIGH RESOLUTION GUIDANCE SOLUTIONS ARE NOT ENTIRELY UNREASONABLE. CLOUD COVER AHEAD OF THE FRONT WILL KEEP HIGH TEMPERATURES A FEW DEGREES COOLER THAN YESTERDAY IN THE UPPER 70S TO NEAR 80. WITH DRY AND CLEAR CONDITIONS ALLOWING TEMPERATURES TONIGHT TO FALL INTO THE LOW TO MID 50S.
A WARM FRONT EXTENDING EAST/SOUTHEAST ACROSS CENTRAL KANSAS INTO SOUTHEAST KANSAS WILL BE THE FOCUS FOR SCATTERED TSTM ACTIVITY WITH INCREASING SFC CONVERGENCE AND LIFT NEAR THE WARM FRONT. THE STRONGEST STORMS LOOK TO REMAIN TO THE SOUTH AND EAST OF THE CWA BUT A FEW COULD GET STRONG IN NORTH CENTRAL KANSAS ALONG THE FRONT LATER THIS AFTERNOON AS THE LOW MOVES INTO NORTHEAST KANSAS. AN ADDITIONAL AREA OF SHOWERS MAY SLIDE SOUTH THROUGH THE NORTHERN CWA LATER THIS AFTERNOON/EARLY THIS EVENING AS A COLD FRONT CURRENTLY EXTENDING ACROSS CENTRAL NEBRASKA CONTINUES TO SLIDE SOUTHEAST. STRONG CAA WILL QUICKLY SPREAD THROUGH THE AREA OVERNIGHT BEHIND THE UPPER TROUGH. GUSTY NORTHWEST WINDS WILL CONTINUE THURSDAY AFTERNOON BEFORE PRESSURE GRADIENT RELAXES AS HIGH PRESSURE BUILDS SOUTH FROM THE NORTHERN PLAINS.
A BAND OF PRECIP IN THE 850 MB WARM ADVECION ZONE SOUTH OF THE LOW WILL SPREAD INTO DVL BASIN MID AFTN AND THEN INTO THE RRV AROUND 00Z.
THE HIGHER END OF THE ABOVE MENTIONED SUSTAINED/GUSTS IS MORE FAVORED IN BOWMAN AND ADAMS COUNTIES. LATEST WATER VAPOR IMAGERY SHOWS THE AFOREMENTIONED UPPER LOW INTO SOUTHEASTERN SOUTH DAKOTA.