Aikyam-Lab/Synoptic-Bench huggingface dataset:
614 PM CST SUN JAN 3 2016 THE NW FLOW SHOULD MAINTAIN THE LOW LEVEL CLOUD COVER OVER THE NORTHERN AND EASTERN FORECAST THROUGH THE TONIGHT. THE RAP13/NAM12/GFS20 CONDENSATION PRESSURE DEFICITS IN THE LOW LEVELS SUGGEST THE CLOUD COVER OVER THE SOUTH CENTRAL FORECAST AREA WILL FILL BACK IN LATER IN THE NIGHT. MAINLY ALONG AND NEAR THE HIGHER TERRAIN OF THE GOGEBIC RANGE IN IRON COUNTY. THE FLOW WILL GRADUALLY WEAKEN OVERNIGHT AS A RIDGE OF HIGH PRESSURE SHIFTS INTO THE NORTHLAND FROM THE WEST AND NORTH. OVERNIGHT LOWS WILL LIKELY RANGE FROM THE LOW/MIDDLE TEENS IN NW WISCONSIN. THE NAM12/GFS20 SOUNDINGS INDICATE A THIN SATURATED LAYER IN THE LOWER LEVELS. TEMPERATURES COULD BE A FEW DEGREES WARMER.
406 PM CST SUN JAN 3 2016 RESURGENCE OF HIGH PRESSURE TO MAINTAIN SOME COLD AIR ADVECTION INTO THE AREA UNDER CLEARING SKIES.
(PREVIOUS) MID LEVEL SHORT WAVE TROUGH AXIS OVER THE CTRL GULF COAST/NORTHERN GOMEX HAS BACKED THE H85-50 FLOW TO SWRLY NORTH OF THE STALLED FRONT TO OUR SOUTH. MID LEVEL TROUGH SLIDES E AND THEN TURNS ENE AS IT MOVES OFFSHORE INTO THE ATLC.
THE LATEST 03Z SURFACE OBS AND IR SATELLITE IMAGERY BOTH INDICATE THAT LOW CLOUDS CONTINUE TO ADVANCE SOUTHWARD OUT OF THE LOWER OHIO VALLEY AND ARE CLOSING IN ON NORTHERN MIDDLE TENNESSEE. THE COLD FRONT WAS ANALYZED TO BE THROUGH THE FORECAST AREA AS OF 03Z AND WAS FURTHER DEPICTED BY WATER VAPOR IMAGERY TO BE MOVING INTO CENTRAL ALABAMA. THE LOWER CLOUDS BELOW 3KFT SHOULD MOVE INTO SOUTHERN MIDDLE TENNESSEE TOWARD MORNING AND INTO THE REST OF THE FORECAST AREA BY AROUND SUNRISE ON MONDAY. TT /ISSUED 519 PM CST SUN JAN 3 2016/ A COLD FRONT PUSHING SOUTH OUT OF THE MIDWEST WILL ARRIVE INTO THE AREA BETWEEN 09-11Z MONDAY MORNING. TOWARDS THE END OF THE CURRENT TAF PACKAGE WINDS BEGIN TO DECREASE AND THE LOWER CIGS SCATTER OUT LEAVING VFR CONDITIONS.
916 PM EST SUN JAN 3 2016 THE AVIATION SECTION HAS BEEN UPDATED BELOW A COLD UPPER TROUGH OVER THE GREAT LAKES WILL MOVE INTO THE NEW ENGLAND STATES.
AND EVEN IN THE LOWER 40S IN THE BEARTOOTH FOOTHILLS AROUND NYE. GIVEN THE STRENGTH OF THE LOW LEVEL INVERSION. LOW DEW POINTS AND CONSIDERABLE SNOW COVER THINK IT WILL BE TOUGH TO MOVE THIS COLD AIR OUT OF THE LOW LYING LOCATIONS TONIGHT UNTIL A DISTURBANCE MOVES THROUGH AFTER SUNRISE. AREAS FROM LIVINGSTON TO BIG TIMBER MAY WARM UP A BIT QUICKER AS THE DISTURBANCE ALOFT SHOULD PUSH THAT PRESSURE GRADIENT A BIT FURTHER NORTH ALLOWING GAP WINDS TO MIX DOWN WARMER AIR THATS JUST OFF THE SURFACE. MORE WIND TOMORROW AFTERNOON SHOULD HELP TO BREAK INVERSION AND LIFT TEMPERATURES ABOVE FREEZING TO AROUND 40 DEGREES.
HIGHS STRUGGLING INTO THE LOWER 40S FAR NORTH AND LOWER 50S IN THE FAR SOUTHEAST.
WILL BE A CHILLY FORECAST FOR THE REMAINDER OF THE SHORT TERM AS STRONG HIGH BUILDS EAST BUT LARGE SCALE RIDGING IS APPARENT ALL THE WAY TO THE GULF COAST.
/ISSUED 403 PM CST SUN JAN 3 2016/ Below normal temperatures will prevail for the next couple days behind a weak cold front that moved across the area earlier today.
A SERIES OF OFFSHORE LOW PRESSURE SYSTEMS AND FRONTAL BOUNDARIES WILL PRODUCE PRECIPITATION ACROSS THE REGION AT TIMES THROUGH THIS WEEK. AN OFFSHORE LOW PRESSURE SYSTEM WILL CONTINUE PRODUCING SOUTHERLY WINDS ACROSS COASTAL AREAS THE NEXT FEW DAYS. THE SOUTHERLY WINDS HAS ADVECTED A WARMER AND MORE MOIST ATMOSPHERE ACROSS THE REGION. THE OFFSHORE LOW PRESSURE SYSTEM HAS ALSO INCREASED THE CHANCES FOR RAIN ACROSS THE REGION THE NEXT FEW DAYS. A SERIES OF OFFSHORE LOW PRESSURE SYSTEMS AND ASSOCIATED FRONTAL BOUNDARIES WILL PRODUCE RAIN SHOWERS AND PERIODS OF RAIN AT TIMES THROUGH THE END OF THIS WEEK. RAIN SHOWERS AND SNOW SHOWERS WILL OCCUR AT TIMES ACROSS HIGHER ELEVATIONS AS THE SERIES OF OFFSHORE LOW PRESSURE SYSTEMS AND FRONTAL BOUNDARIES AFFECT THE REGION.
THE STRATUS SHOULD START TO EXPAND BACK WEST SHORTLY AFTER MIDNIGHT OR MAY VERY WELL FILL IN AS FOG AS HIGH PRESSURE BEGINS TO SETTLE OVER THE LOW LEVEL MOISTURE. DESPITE THE RIDGE MOVING OVER THE REGION BY MONDAY AFTERNOON THE STRATUS LOOK TO EXPAND ENOUGH OVERNIGHT TONIGHT THAT IT WILL LIKELY TAKE LONGER FOR THE CLOUDS TO DISSIPATE TOMORROW GIVEN THE TIME OF YEAR.
CLEAR SKIES AND LIGHT WINDS EXPECTED OVERNIGHT AS HIGH PRESSURE BUILDS INTO THE REGION.
THIS EVENING THROUGH MONDAY NIGHT 20Z SURFACE ANALYSIS SHOWED WEAKENING HIGH OVER THE EASTERN DAKOTAS/NE AND LEE TROUGH ACROSS CENTRAL MT INTO SOUTHEAST WY. UPPER RIDGE DEVELOPING PER WATER VAPOUR OVER THE PLAINS INTO SOUTH CENTRAL CANADA.
914 PM EST SUN JAN 3 2016 A COLD FRONT WILL BRING SNOW SHOWERS TONIGHT AND MONDAY. A DEEPENING UPPER TROUGH IS EXPECTED TO SET UP ACROSS THE GREAT LAKES REGION TONIGHT AND MON. THE MOVEMENT OF THE BAND SHOULD HELP LIMIT SNOW ACCUMULATIONS TO ARND AN INCH FOR MUCH OF THE REST OF THE AREA OUTSIDE OF THE RIDGES. UPSLOPE FLOW SHOULD HELP ENHANCE SNOWFALL RATES IN THE HIGHER TERRAIN OF WV/MD. SNOW SHOWERS SHOULD CONTINUE MON UNTIL THE UPR TROF AXIS SHIFTS E OF THE AREA.
442 PM MST SUN JAN 3 2016 AREA WILL REMAIN UNDER HIGH PRESSURE WITH FAIRLY STAGNANT CONDITIONS. UPPER RIDGE AXIS SHIFTS EAST MONDAY WITH AN INCREASE IN 700MB WINDS DURING THE AFTERNOON.
Meanwhile, an upper trough sits off the west coast, and is still due to make landfall at around 12Z Monday.
TEMPERATURES HAVE WARMED NICELY INTO THE 30S AND 40S ACROSS THE NORTHEAST PLAINS WHILE EVEN KREMMLING HAS WARMED TO ABOVE ZERO THIS AFTERNOON! THE RIDGE ALOFT OVER COLORADO TODAY WILL SHIFT INTO THE CENTRAL PLAINS IN RESPONSE TO INCOMING SYSTEM OFF WEST COAST. TEMPERATURES OVER MOUNTAIN VALLEYS WILL BE A BIT WARMER TONIGHT GIVEN MORE CLOUD COVER AND OVERALL MODERATION OF TEMPERATURES.
555 PM CST SUN JAN 3 2016 UPPER LOW OVER CENTRAL MS IS MOVING SE AT 26KTS TAKING LOW MIDDECK AROUND 8KFT OFF TO THE EAST. HIGH PRESSURE REMAINS UNTIL MIDWEEK DISTURBANCE MOVES OUR WAY. /ISSUED 214 PM CST SUN JAN 3 2016/ MOSTLY CLEAR SKIES PREVAIL ACROSS THE REGION THIS AFTERNOON AS UPPER-LEVEL RIDGING BUILDS AREAWIDE. TO FALL TO AROUND FREEZING WITH AREAS ACROSS THE INTERSTATE 30 CORRIDOR EXPECTED TO FALL INTO THE UPPER 20S. THE ONLY EXCEPTION WILL BE PORTIONS OF EAST TEXAS WHERE TEMPERATURES MAY REACH THE LOW TO MID 50S.
/issued 332 PM CST SUN JAN 3 2016/ (Tonight and Monday) Drier air will move south through the forecast area through tonight as upper level ridging builds into the area from the west.
ALL AREAS EXPECTED TO REACH FREEZING OR BELOW HAVE ALREADY HAD A FREEZE THIS YEAR.
957 PM EST SUN JAN 3 2016 A RE-ENFORCING COLD FRONT WILL MOVE THROUGH THE REGION TONIGHT.
COOL HIGH PRESSURE CENTERED OVER THE CENTRAL PLAINS WILL EXTEND INTO THE REGION TODAY. A STRONG COLD FRONT WILL MOVE THROUGH THE AREA ON MONDAY.
UPPER LEVEL ANALYSIS PLACES LOW SPINNING ALONG THE WASHINGTON COAST AND RIDGE ALIGNED TO THE EAST OF THE ROCKIES. RIDGE AXIS WILL SLIDE EASTERLY OVER THE AREA ON MONDAY AND BREAK DOWN A BIT.
Stratified atmosphere with a strong subsidence inversion aloft and northerly flow through the low levels should continue to push the stratus south to likley encompass most of if not the entire CWFA by 06Z tonight. Went with temperatures ranging from the upper teens in northeast Missouri to the low and mid 20s elsewhere.
716 PM EST SUN JAN 3 2016 A COLD FRONT WILL BRING SNOW SHOWERS TONIGHT INTO MONDAY. A DEEPENING UPPER TROUGH IS EXPECTED TO SET UP ACROSS THE GREAT LAKES REGION TONIGHT AND MON. A SECONDARY SFC COLD FRONT IS ALSO PROGGED FOR AN OVERNIGHT PASSAGE. THE MOVEMENT OF THE BAND SHOULD HELP LIMIT SNOW ACCUMULATIONS FOR MUCH OF THE REST OF THE AREA OUTSIDE OF THE RIDGES. UPSLOPE FLOW SHOULD HELP ENHANCE SNOWFALL RATES IN THE HIGHER TERRAIN OF WV/MD. THE UPR TROF AXIS IS PROGGED TO SHIFT E OF THE AREA BY AFTN.
611 PM EST SUN JAN 3 2016 THE AVIATION SECTION HAS BEEN UPDATED BELOW A COLD UPPER TROUGH OVER THE GREAT LAKES WILL MOVE INTO THE NEW ENGLAND STATES.
TEMPERATURES WILL BEGIN TO MODERATE LATER IN THE WEEK AS HIGH PRESSURE BUILDS EASTWARD. AS HIGH PRESSURE BUILDS IN AND BRINGS WITH IT THE COLDEST AIR OF THE SEASON TO DATE.
WHILE THE NORTHERN EDGE OF THE LOW CLOUDS IS DISSIPATING. THE LOW CLOUDS.
The numerical model guidance is all indicating some periods of clear skies at varying points, which is not likely given the strength of the low level inversion, so their temperature guidance all appear too low. Went about 2-3 degrees above the warmer NAM MOS guidance as a result. Upstream temperatures this morning underneath the clouds were mainly in the mid 20s, so trends will need to be watched closely this evening as the current forecast is a bit cooler than that. Upper level ridging will build over the region late Monday into the middle of the work week resulting in a warming trend thru the balance of the week.
PLENTY OF CLOUDS TONIGHT AS WE REMAIN UNDER RELATIVELY MOIST SW FLOW ALOFT ON THE EAST SIDE OF A LARGE UPPER LEVEL TROUGH.
Tonight and Monday Mid level ridging over the central CONUS continues to increase this afternoon as broad troughing occurs from the Midwest towards the Great Lakes region. Low stratus on the eastern edge of the high pressure over Iowa into northern Missouri has slowly sank southward through the day today. This result will also result in warmer lows tonight in the upper teens and lower 20s given the mostly cloudy skies. Clearing is likely for most of the area by late afternoon as better dry advection and mixing from the southeast will help temps reach the low and middle 30s.
cold air advection is underway as a weak cold front went through earlier this morning and now high pressure is steadily building in. Therefore, we can expect much cooler high temperatures for the start of the new work week.
/ISSUED 553 PM CST SUN JAN 3 2016/ HIGH PRESSURE WILL CONTINUE ACROSS THE AREA THROUGH THE PERIOD.
SOUTHERLY FLOW WILL SHIFT EAST AND OVERALL DAYTIME HIGHS WILL BE A FEW DEGREES WARMER THAN TODAY FOR THE VALLEY ON EAST. AND SIGNIFICANTLY WARMER OVER PORTIONS OF NORTHEASTERN ND. OVERNIGHT LOWS WILL BE MUCH WARMER AS WELL GENERALLY IN THE MID TO UPPER 20S.
553 PM CST SUN JAN 3 2016 HIGH PRESSURE WILL CONTINUE ACROSS THE AREA THROUGH THE PERIOD.
A deep upper trough will dig from southeastern Canada into the northeastern U.
THERE ARE LOW CLOUDS WEST ALL THE WAY TO THE RIDGE AXIS. WE WILL ONLY SEE A NARROW DIURNAL VARIATION IN TEMPERATURES AGAIN TONIGHT THROUGH MONDAY AS THE RIDGE WORKS OVERHEAD FOLLOWING THE CLOUD COVERS EXIT MONDAY AFTERNOON.
403 PM CST SUN JAN 3 2016 Below normal temperatures will prevail for the next couple days behind a weak cold front that moved across the area earlier today.
610 PM EST SUN JAN 3 2016 A COLD FRONT WILL BRING SNOW SHOWERS TONIGHT INTO MONDAY. A DEEPENING UPPER TROUGH IS EXPECTED TO SET UP ACROSS THE GREAT LAKES REGION TONIGHT AND MON. A SECONDARY SFC COLD FRONT IS ALSO PROGGED FOR AN OVERNIGHT PASSAGE. THE MOVEMENT OF THE BAND SHOULD HELP LIMIT SNOW ACCUMULATIONS FOR MUCH OF THE REST OF THE AREA OUTSIDE OF THE RIDGES. UPSLOPE FLOW SHOULD HELP ENHANCE SNOWFALL RATES IN THE HIGHER TERRAIN OF WV/MD.
WITH VERY DRY HIGH PRESSURE IN CONTROL CLEAR SKIES CAN BE EXPECTED.
549 PM CST SUN JAN 3 2016 UPPER LEVEL HIGH PRESSURE WILL TRANSLATE ACROSS TEXAS THROUGH MONDAY WHILE DRY AIR REMAINS IN PLACE AT THE SURFACE. A WEAK UPPER LEVEL RIDGE WILL MOVE ACROSS NORTH TEXAS MONDAY.
840 PM EST SUN JAN 3 2016 REGIONAL RADAR AND SATELLITE IMAGERY IS CONTINUING TO SHOW WIDESPREAD MOISTURE OVERRIDING THE COLD FRONT NOW OVER THE FLORIDA STRAITS. HIGH PRESSURE WILL BUILD IN NORTH OF THE GULF THROUGH THE FIRST HALF OF THE WORK WEEK.
PV ANALYSIS AND COMPUTER SIMULATIONS SUGGEST THAT DRY UPPER RIDGING WILL REMAIN IN PLACE OVER THE FORECAST DISTRICT INTO TONIGHT.
355 PM MST SUN JAN 3 2016 18Z WATER VAPOR IMAGERY/RUC ANALYSIS INDICATES SHORT WAVE RIDGING IN PLACE ACROSS THE HIGH PLAINS. WITH ANY CIRRUS NOT MOVING PAST THE RIDGE AXIS AT THIS POINT. TEMPS HAVE CLIMBED QUICKLY AND WILL LIKELY SEE SEVERAL LOCATIONS IN THE LOW 50S TODAY. MAIN CONCERN FOR THE PERIOD WILL BE FOG POTENTIAL TONIGHT AS COOLER AIR BACKS INTO THE AREA. ESPECIALLY AS LEE TROUGH BEGINS TO DEVELOP ACROSS EASTERN COLORADO. SOUTHERLY WINDS WILL INCREASE TO AROUND 20 MPH AND BECOME GUSTY ALONG THE KS-CO BORDER AS LEE TROUGH STRENGTHENS.
A STRATUS DECK ASSOCIATED WITH A BACKDOOR COLD FRONT OVER THE UPPER MISSISSIPPI VALLEY WILL CONTINUE TO SLOWLY WORK SOUTH/SOUTHWEST TONIGHT. MAY SEE COOLER TEMPS IN THE PLATTE RIVER VALLEY THAN CURRENTLY FORECAST. WINDS TURN SOUTHERLY ON THE BACKSIDE OF THE HIGH AND INCREASE THROUGH THE MORNING. KEPT MAX TEMPS SLIGHTLY COOLER THAN SUNDAY DUE TO MORNING FOG.
1032 PM EST SUN JAN 3 2016 AN UPPER LEVEL TROUGH WILL DEEPEN OVER THE OHIO VALLEY TONIGHT. A LARGE AREA OF HIGH PRESSURE WILL THEN SETTLE OVER THE GREAT LAKES MONDAY NIGHT.
SIGNIFICANT MOISTURE WAS PRIMARILY CONFINED TO THE LOWER LEVELS OF THE PROFILE. /ISSUED 406 PM CST SUN JAN 3 2016/ RESURGENCE OF HIGH PRESSURE TO MAINTAIN SOME COLD AIR ADVECTION INTO THE AREA UNDER CLEARING SKIES.
EXPECTING CLOUDS TO INCREASE AFTER MIDNIGHT WITH LIGHT SNOW SHOWERS AND OR FLURRIES TO AFFECT THE NE AREAS AND THE HIGHER SMOKY MOUNTAINS AFTER MIDNIGHT MAINLY AROUND 9Z AND LATER.
354 AM CDT Wed Jun 10 2015 An upper level ridge of high pressure will again be the dominant upper level feature through tonight across west Texas and southeast New Mexico. At the surface, a lee trough will continue to reside along the eastern slopes of the mountains.
AN UPPER LEVEL RIDGE WILL BUILD OVER THE REGION THROUGH THE END OF THE WORK WEEK. A WEAK FRONT/TROUGH OVER SOUTHERN VA ISN'T MAKING MUCH PROGRESS TOWARD NC THIS MORNING.
A CHANCE OF SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS THE REGION THROUGH TODAY AS AN UPPER LEVEL LOW PRESSURE SYSTEM MOVES INTO CENTRAL CALIFORNIA.
TEMPERATURES WILL BE QUITE WARM WITH HIGHS IN THE LOW TO MID 90S. TEMPERATURES WILL REMAIN ON THE WARM SIDE WITH HIGHS MAINLY IN THE LOWER 90S.
A COLD FRONT WILL CONTINUE TO TRUDGE SOUTHEAST ACROSS THE REGION LATE THIS AFTN AND EVENING. ISOLATED STORMS ARE EXPECTED YET FOR A FEW HOURS BEFORE DRIER AND COOLER AIRMASS OVERTAKES THE REGION.
Temperatures Wednesday and Thursday will be slightly cooler, but remain nearly 15 degrees above average.
BUT A COLD FRONT WILL MOVE INTO THE REGION LATE IN THE DAY ACROSS NORTHERN NEW YORK AND THEN ACROSS VERMONT TONIGHT. A COLD FRONT WILL MOVE OUT OF ONTARIO PROVINCE LATE THIS AFTERNOON WITH AN INCREASINGLY UNSTABLE AIR MASS DEVELOPING AHEAD OF THE FRONT ACROSS THE SAINT LAWRENCE VALLEY AND PARTS OF THE NORTHERN ADIRONDACKS. NORTHWEST FLOW ALOFT DEVELOPS BEHIND DEPARTING UPPER TROUGH MOVING ACROSS EASTERN CANADA AND THIS SHOULD BRING DRIER AIR IN FOR THURSDAY.
658 AM EDT WED JUN 10 2015 A COLD FRONT WILL MOVE INTO THE AREA AND DISSIPATE THIS MORNING. A TROUGH OF LOW PRESSURE WILL REMAIN ALONG OR JUST WEST OF THE COASTAL PLAIN INTO THE WEEKEND.
/ISSUED 408 AM CDT WED JUN 10 2015/ A WEAK MID LVL TROUGH REMAINS NEAR THE GULF COAST.
216 AM EDT WED JUN 10 2015 UPPER LEVEL TROUGHING OVER THE NORTHEAST STATES WILL TREND MORE ZONAL THROUGH MIDWEEK. THIS FEATURE WILL SEND A COLD FRONT INTO CENTRAL PENNSYLVANIA BEFORE IT SLOWS DOWN AND WEAKENS. THE RIDGE ALOFT WILL BUILD NORTH ONCE AGAIN FOR THE END OF THE WEEK AND INTO THE WEEKEND WHEN SUMMERTIME HEAT AND HUMIDITY WILL BE THE RULE. SUMMERTIME PATTERN WILL EVOLVE OVER THE REGION AS MODEL AND ENSEMBLE GUIDANCE SHOWS UPPER RIDGE BUILDING OVER THE WRN ATLC AND SOUTHEAST U.
THERE WAS ALSO A TROUGH INDICATED ACROSS EASTERN WYOMING TO NORTHEAST COLORADO. AS THE FRONT SAGS INTO NORTHWEST THROUGH SOUTHEAST NEBRASKA AND THE HIGH PLAINS TROUGH MAKES ITS WAY EASTWARD. CONVERGENCE ALONG THE TROUGH AND THE FRONT WILL TRIGGER THUNDERSTORMS.
337 AM CDT WED JUN 10 2015 A SURFACE COLD FRONTAL BOUNDARY ALIGNED THROUGH NORTHERN IA AND SW WISCONSIN INTO EAST CENTRAL WISCONSIN THIS MORNING WILL CONTINUE TO SINK SOUTHWARD TODAY. THE MAIN SURFACE AND UPPER LEVEL LOW FEATURES ASSOCIATED WITH THIS FRONT WILL REMAIN FAR NORTH OF CENTRAL IL TODAY AND CONTINUE TO MOVE EASTWARD. HIGH TEMPERATURES TODAY IN THE LOW NINETIES AND HUMID WITH HEAT INDEX REACHING THE UPPER 90S AS A RESULT OF THE HIGH DEWPOINTS.
COLD FRONT STAYS NORTH OF THE AREA THURSDAY THEN OSCILLATES THROUGH THE WEEKEND IN THE UPPER OHIO VALLEY. NO CHANGES IN THE NEXT 6 HOURS OF THE FORECAST WITH ONLY PASSING HIGH CLOUDS AND DRY CONDITIONS WITH TEMPERATURES FALLING INTO THE LOW 60S AND UPPER 50S/MID 50S IN THE MOUNTAINS.
533 AM EDT WED JUN 10 2015 A COLD FRONT INTO CENTRAL PENNSYLVANIA BEFORE IT SLOWS DOWN AND WEAKENS. THE RIDGE ALOFT WILL BUILD NORTH ONCE AGAIN FOR THE END OF THE WEEK AND INTO THE WEEKEND WHEN SUMMERTIME HEAT AND HUMIDITY WILL BE THE RULE. THE COLD FRONT/BOUNDARY SETS UP SOMEWHERE OVERHEAD AS THE BIG SUBTROPICAL RIDGE HOLDS IT UP. MAXES ON THURSDAY WILL TAKE A RUN AT 90F IN THE LOWER ELEVATIONS IN THE SE WITH 80S ELSEWHERE.
426 AM EDT WED JUN 10 2015 A COLD FRONT DROPPING THROUGH THE AREA THIS MORNING WILL DISSIPATE THROUGH THE DAY.
ASSOCIATED WITH A WEAK COLD FRONT. AND GOOD RADIATING CONDS UNDERNEATH SFC RIDGING.
QUIET WEATHER IS EXPECTED EARLY THIS MORNING WITH HIGH PRESSURE OVER THE TENNESSEE RIVER VALLEY. A QUICK MOVING COLD FRONT IS EXPECTED TO PUSH INTO THE REGION FROM THE UPPER MIDWEST.
THE MID/UPPER-LEVEL TROUGH RETROGRADES WESTWARD A BIT TOWARD THE CENTRAL GULF OF MEXICO AS AN UPPER RIDGE BUILDS WESTWARD. THE RIDGE AXIS WILL DRIFT NORTHWARD THROUGH THE DAY.
VFR CONDITIONS WILL DOMINATE THE FORECAST AS WEAK HIGH PRESSURE PERSISTS OVER SOUTH TEXAS WITH PARTLY CLOUDY SKIES AND LIGHT ONSHORE WINDS.
THE FRINGE OF BERMUDA HIGH PRESSURE WILL DICTATE CONDITIONS TODAY AND TONIGHT WITH THE RETURN OF SOUTHWESTERLY FLOW. AND INCREASE IN THE LOW LEVEL TEMPERATURES AND DEWPOINTS. MODELS CONTINUE TO ADVERTISE A MID SUMMER LIKE PATTERN WITH INCREASING HEAT AND HUMIDITY UNDER A BUILDING UPPER RIDGE. THE UPPER RIDGE WILL BECOME A RATHER DIRTY ONE.
352 AM EDT WED JUN 10 2015 A COLD FRONT DROPPING THROUGH THE AREA THIS MORNING WILL DISSIPATE THROUGH THE DAY.
408 AM CDT WED JUN 10 2015 A WEAK MID LVL TROUGH REMAINS NEAR THE GULF COAST.
A DEEP LAYER MEAN SUBTROPICAL ANTICYCLONE OVER THE WESTERN NORTH ATLANTIC IS POISED TO INTENSIFY OVER THE NEXT FEW DAYS.
TEMPERATURES SOARED INTO THE LOW TO MID 90S EAST OF THE COLORADO BORDER. A LEE TROUGH IS LOCATED ALONG THE COLORADO FRONT RANGE. DIPPING INTO THE LOW TO UPPER 60S.
218 AM MDT WED JUN 10 2015 THE UPPER RIDGE WILL SHIFT EAST INTO THE MISSOURI VALLEY THIS AFTERNOON.
A LEE TROUGH WILL DEEPEN ACROSS EASTERN COLORADO WITH SOUTHERLY WINDS INCREASING TO 15 TO 25 MPH BY LATE MORNING ACROSS WESTERN KANSAS.
318 AM EDT WED JUN 10 2015 HIGH PRESSURE WILL BRING DRY WEATHER UNTIL A COLD FRONT ADVANCES ACROSS THE AREA LATE TODAY. RIDGING IS EXPECTED TO KEEP DRY WEATHER FOR MOST AREAS THROUGH MUCH OF THE DAY. A COLD FRONT IS PROGGED TO APPROACH AREAS NORTH OF I 80 LATE THIS AFTERNOON WITH INCREASING SHOWER AND THUNDERSTORM CHANCES. THE COLD FRONT IS PROGGED TO CONTINUE CROSSING THE AREA THROUGH EARLY THURSDAY BEFORE STALLING. THE UPPER FLOW IS PROGGED TO TURN SOUTHWEST LATER THURSDAY PUSHING THE FRONT BACK NORTH AS A WARM FRONT.
334 AM CDT WED JUN 10 2015 THE NEAR TERM PATTERN WILL BE CHARACTERIZED BY A DEVELOPING UPPER LEVEL TROUGH OVER THE WESTERN U. WITH A BUILDING RIDGE OVER THE SOUTHEAST. TEMPERATURES SHOULD MANAGE TO REACH THE LOWER 90S TODAY AND THURSDAY.
155 AM EDT WED JUN 10 2015 UPPER LEVEL TROUGHING OVER THE NORTHEAST STATES WILL TREND MORE ZONAL THROUGH MIDWEEK. THIS FEATURE WILL SEND A COLD FRONT INTO CENTRAL PENNSYLVANIA BEFORE IT SLOWS DOWN AND WEAKENS. THE RIDGE ALOFT WILL BUILD NORTH ONCE AGAIN FOR THE END OF THE WEEK AND INTO THE WEEKEND WHEN SUMMERTIME HEAT AND HUMIDITY WILL BE THE RULE. DEWPOINTS WILL LINGER IN THE LOWER 50S SO SOME OF THE COOLER LOCATIONS MAY SEE A BIT OF FOG BEFORE THE NIGHT IS OVER. HIGHS WILL BE WARM FOR EARLY JUNE RISING INTO THE LOW TO MID 80S. SUMMERTIME PATTERN WILL EVOLVE OVER THE REGION AS MODEL AND ENSEMBLE GUIDANCE SHOWS UPPER RIDGE BUILDING OVER THE WRN ATLC AND SOUTHEAST U.
HIGH PRESSURE WILL CONTINUE TO PROVIDE QUIET WEATHER OVERNIGHT AND EARLY WEDNESDAY. AND CONTINUING ON THROUGH MUCH OF THE FORECAST AS BROAD SOUTHWEST FLOW DEVELOPS ACROSS THE CENTRAL PORTION OF THE COUNTRY AND STOUT UPPER LEVEL RIDGING DEVELOPS ACROSS THE SOUTHEAST. AN UPPER RIDGE WILL BUILD ACROSS THE SOUTHEASTERN U. WARM MOIST FLOW WILL FLOW AROUND THE BACK SIDE OF THE RIDGE AND INTO CENTRAL INDIANA AND A SERIES OF UPPER WAVES WILL MOVE IN. A COLD FRONT WILL WORK INTO NORTHERN INDIANA WEDNESDAY AFTERNOON.
A CLOSED LOW DEVELOPS OVER THE TRI-STATE AREA OF NV/AZ/UT AND WILL BRING GOOD LIFTING ACROSS THE EASTERN UT/WESTERN CO REGION JUST IN TIME FOR DAYTIME HEATING ON THURSDAY. REALLY BOOSTED UP POPS FOR THURSDAY AS THE LOW PRESSURE REACHES OVERHEAD OF OUR ALREADY DEEPLY SATURATED ENVIRONMENT.
RELATIVELY QUIET WEATHER WILL BE IN STORE AS THE DIRTY RIDGE CONTINUES TO MOVE EAST AND OVER THE AREA. WITH MOSTLY CLEAR SKIES TEMPS ARE LIKELY TO REACH INTO THE UPPER 80'S AND EVEN THE LOWER 90'S ACROSS MUCH OF THE FORECAST AREA.
324 AM PDT WED JUN 10 2015 AN UPPER LEVEL LOW OFF THE CENTRAL COAST WITH TROPICAL MOISTURE WILL TRACK INLAND TODAY THEN EXIT INTO THE GREAT BASIN WEDNESDAY NIGHT. AN UPPER LEVEL LOW OFF THE CENTRAL COAST PROVIDING DYNAMIC LIFT TO MAINTAIN THE STORM ACTIVITY OVERNIGHT. MODELS FORECAST THIS LOW TO DRIFT EASTWARD OVER CENTRAL CA TODAY. MID LEVEL WINDS WILL BE RELATIVE WEAK AS THE LOW MOVES OVER CENTRAL CAL.
328 AM EDT WED JUN 10 2015 WEAK HIGH PRESSURE BUILDS IN BEHIND THE DEPARTED COLD FRONT TODAY.
326 AM CDT WED JUN 10 2015 COLD FRONT MAKING PASSAGE THROUGH THE AREA EARLY THIS MORNING. A NICE DAY IS ON TAP AS HIGH PRESSURE DRIFTS ACROSS THE REGION IN THE WAKE OF THE COLD FRONT. SHOWER/THUNDERSTORM CHANCES CREEP INTO AREAS MAINLY ALONG/WEST OF THE MISSISSIPPI RIVER AFTER MIDNIGHT AS ISENTROPIC LIFT/850MB MOISTURE TRANSPORT PUSH IN AHEAD OF SURFACE CYCLOGENESIS OVER THE HIGH PLAINS AND A WARM FRONT EXTENDING ALONG I-80.
TEMPS THIS AFTERNOON AND TONIGHT WILL BE COOLER THAN THE LAST FEW DAYS. THE EXCEPTION WILL BE ALONG THE FAR SOUTHERN BORDER WHICH MAY GET SWIPED BY THE DEFORMATION BAND PRECIP ON THE NORTHWEST SIDE OF THE LOW. TEMPS IN THAT AREA WILL BE COOLER.
WITH A FEW LINGERING SHOWERS AND THUNDERSTORMS AGAIN ON THURSDAY AFTERNOON ACROSS THE HIGHER TERRAIN NORTH AND EAST OF PHOENIX.
WEAK HIGH PRESSURE BUILDS INTO WI WITH DRYING IN THE LOW TO MID LEVELS. UPSTREAM SFC DEWPTS FALLING INTO THE LOWER 50S. HIGH PRESSURE WILL REMAIN IN CONTROL THROUGH TONIGHT WITH CLEAR TO PARTLY CLOUDY SKIES.
WE WILL HAVE THE HIGHEST POPS CONFINED TO AREAS NORTH OF THE ARKANSAS RIVER, ESPECIALLY ALONG AND NORTH OF HIGHWAY 96, INCLUDING SCOTT AND LANE COUNTIES UP TO TREGO AND ELLIS COUNTIES (50 TO 60 PERCENT). THE VERY WARM AIRMASS AND CONTINUED 10 TO 15 MPH SOUTH WINDS WILL RESULT IN MILD TEMPERATURES OVERNIGHT WITH LOWS ONLY IN THE LOWER TO MID 70S FOR MOST LOCATIONS.
A cold front will sag southward today, reaching central IA or perhaps as far south as the MO/IA border. Highs in the low to mid 90s (mid/upper 90s in the urban core of St. Recent model forecasts of AOB 10 kts of 0-6 km shear are even lower than forecasts from 24 hrs ago, although the high values of instability may compensate for the lack of shear to support a few strong to severe pulse-type storms this afternoon, especially across the northern CWA.
TONIGHT THE UPPER LOW PUSHES ACROSS THE GREAT BASIN AND OPENS OVER THE FORECAST AREA ON THURSDAY. COOLER TEMPERATURES ARE EXPECTED UNDER THE CLOUD SHIELD AND SHOWERS TODAY AND THURSDAY. PRECIP CONTINUES THURSDAY EVENING AS THE TROUGH/CLOSED LOW MOVES OVERHEAD THOUGH IT WILL START WANING AFTER MIDNIGHT.
UPPER RIDGE REMAINS OVER WEST TEXAS WITH TROF AXIS JUST EAST OF THE AREA.
AN AREA OF LOW PRESSURE WILL APPROACH FROM THE WEST AND BRING A CHANCE OF SHOWERS AND THUNDERSTORMS TO MUCH OF THE AREA TODAY THROUGH THURSDAY.
A LOW PRESSURE SYSTEM WILL BRING SHOWERS AND THUNDERSTORMS TO NORTHERN AND CENTRAL NEVADA TODAY.