Aikyam-Lab/Synoptic-Bench huggingface dataset:
BUT LOOKS TO HOLD ON OVER THE PLATEAU ALONG WITH ADDITIONAL CLOUD COVER ARRIVING TO IMPACT THE SOUTH LATER TONIGHT AS THE TROUGH AXIS SLIDES EAST. SKIES SHOULD CLEAR TOMORROW AS THE TROUGH CONTINUES TO EXIT THE REGION AND RIDGING BUILDS IN FROM THE WEST.
715 PM EDT SUN SEP 20 2015 HIGH PRESSURE WILL BUILD IN FROM THE GREAT LAKES REGION OVER NEW YORK AND NEW ENGLAND TONIGHT. HIGH PRESSURE CONTINUES TO RIDGE IN FROM THE GREAT LAKES REGION EARLY THIS EVENING. AND SRN VT EXCLUDING ERN WINDHAM HIGH PRESSURE SLOWLY BUILDS EAST AS UPPER ENERGY TO THE SOUTH LOOKS TO REMAIN SUPPRESSED SOUTH BY GRADUAL UPPER RIDGING BUILDING INTO OUR REGION.
THE BEGINNING OF THE WORK WEEK WILL START OUT QUIET WITH A TRANSITION TO ZONAL FLOW DURING THE DAY AS TODAY'S UPPER LEVEL TROUGH PULLS OFF TO THE EAST AND RIDGING BUILDS OVER THE SOUTHERN PLAINS. DID NUDGE TEMPS UPWARD FOR MONDAY BUT LEANED TOWARDS THE LOWER END OF THE GUIDANCE CLUSTER AS A RESULT OF THE INCREASED SKY COVER. A WEAK FRONTAL BOUNDARY WILL MEANDER SOUTHEASTWARD FROM THE DAKOTAS OUT AHEAD OF AN UPPER LEVEL CANADIAN TROUGH.
AS A COLD FRONT SLOWLY DRIFTS SWD. WHICH WILL KEEP VCSH IN THE TAFS UNTIL THE UPPER LEVEL TROF FORCES THE FRONT SWD DURING MONDAY. /ISSUED 329 PM CDT SUN SEP 20 2015/ SLOW MOVING COLD FRONT CONTINUES TO LINGER ACROSS THE FAR SRN REACHES OF OUR REGION IN CNTRL LA WHERE SPOTTY CONVECTION HAS DEVELOPED OVER THE PAST HOUR. DAYTIME TEMPERATURES WILL GRADUALLY REBOUND LATER IN THE WEEK AS UPPER LEVEL RIDGING BUILDS BACK ACROSS THE REGION. ALLOWING HIGHS TO REACH BACK INTO THE LOWER 90S AREA WIDE BY MID WEEK WHEREAS WE SHOULD BE AVERAGING MID TO UPPER 80S FOR HIGHS IN LATE SEPTEMBER.
A COLD FRONT DISSIPATED AS IT MOVED THROUGH OUR REGION LAST EVENING. WITH LOW LEVEL MOISTURE NEARBY A MID/UPPER LEVEL TROUGH DROPPING SOUTHEAST INTO THE REGION IS EXPECTED TO LEAD TO A RESURGENCE OF CLOUDS AND POSSIBLY SOME SHOWERS FOR PORTIONS OF THE CENTRAL APPALACHIANS TONIGHT INTO MONDAY. IN THE WEST SKIES SHOULD BE CLEAR TO PARTLY CLOUDY AND MORNING LOWS A BIT COOLER AND HIGHS ON MONDAY A BIT WARMER WHEN COMPARED TO THE EAST.
THE HIGH WIND WARNING WILL BE CONTINUED. A COLD FRONT WILL CROSS THE CANADIAN BORDER AND BRING NORTH WINDS TO NORTHERN LOCATIONS MONDAY. A GENERALLY DRY COLD FRONT WILL BEGIN TO CROSS THE INTERNATIONAL BORDER AFTER MIDNIGHT AND PUSH SLOWLY SOUTH. WINDS BEHIND THE FRONT WILL SHIFT TO THE NORTH-NORTHWEST AND COOLER AIR WILL MOVE IN BEHIND THE FRONT.
1022 PM EDT SUN SEP 20 2015 HIGH PRESSURE WILL BUILD IN FROM THE GREAT LAKES REGION OVER NEW YORK AND NEW ENGLAND OVERNIGHT. HIGH PRESSURE CONTINUES TO RIDGE IN FROM THE GREAT LAKES REGION AND SOUTHEAST CANADA OVER THE NORTHEAST TONIGHT. HIGH PRESSURE SLOWLY BUILDS EAST AS UPPER ENERGY TO THE SOUTH LOOKS TO REMAIN SUPPRESSED SOUTH BY GRADUAL UPPER RIDGING BUILDING INTO OUR REGION.
HIGH PRESSURE IS LOCATED OVER CENTRAL ILLINOIS. EARLY AFTERNOON TEMPERATURES HAVE CLIMBED TO THE THE LOWER TO MID 70S. THE HIGH PRESSURE CENTER IN ILLINOIS WILL GRADUALLY SHIFT EAST INTO THE EASTERN GREAT LAKES AND NORTHEAST CONUS BY MONDAY NIGHT. THAT RIDGE POSITION.
1028 PM EDT SUN SEP 20 2015 HIGH PRESSURE WILL BUILD ACROSS THE REGION TONIGHT AND ALLOW FOR A CHILLY NIGHT WITH CLEAR SKIES. THIS AREA OF HIGH PRESSURE WILL CONTINUE TO INFLUENCE OUR WEATHER DURING THE ENTIRE WORK WEEK WITH DRY WEATHER. PREVIOUS HIGH PRESSURE IS STRETCHED FROM ACROSS THE CENTRAL GREAT LAKES TO SOUTHERN QUEBEC THIS EVENING. BUT WITH LATE AFTERNOON DEW POINTS IN THE LOWER TO MID 40S HAVE HELD TEMPS JUST ABOVE THAT THRESHOLD. HOWEVER DRY AIR FROM HIGH PRESSURE OFF THE NEW ENGLAND COAST WILL KEEP OUR AREA DRY.
525 PM MDT SUN SEP 20 2015 TEMPERATURES IN THE WESTERN PORTION OF THE AREA HAVE RISEN TO NEAR THE HIGH TEMPERATURE FORECAST. NEW MODEL DATA IS PUSHING THE HIGHER BOUNDARY LAYER MOISTURE FURTHER EAST. AT THIS TIME THE LOWEST VISIBILITIES LOOK TO BE JUST EAST AND SOUTH OF THE AREA. SO TRENDED THE TEMPERATURES TOWARD THE COOLER GUIDANCE THERE AND A LITTLE WARMER. MODELS RECENTLY WITH THE DRY GROUND AND AIR MASS HAS BEEN UNDERDOING THE HIGH TEMPERATURES A LITTLE. SO WILL MAKE SOME ADJUSTMENTS TO THE ONGOING FORECAST BUT TRENDED TOWARD THE WARMER GUIDANCE.
954 PM PDT SUN SEP 20 2015 Dry weather continues with daytime high temperatures trending cooler going into early part of the week. High pressure will remain over the region, resulting in mostly clear skies for the early part of the week.
Drier conditions can be expected through Monday afternoon as short range models indicate a developing upper level ridge of high pressure building northeastward into the Western High Plains during the period. The warming trend for low temperatures will continue tonight as a prevailing southerly flow near the surface continues to draw warmer air northward into the area. Look for lows down into the upper 50s(F) in west central Kansas to the lower and mid 60s(F) in south central Kansas. Warmer high temperatures are likely Monday as well with warm air advection persisting across western Kansas. Under mostly sunny skies, highs will reach the lower to mid 90s(F) across portions of southwest Kansas with the upper 80s(F) still possible in portions of central Kansas.
1136 PM EDT SUN SEP 20 2015 HIGH PRESSURE WILL BRING A RETURN OF NEAR NORMAL DAYTIME TEMPERATURES FOR THROUGH THE MIDDLE OF THE COMING WEEK.
UPPER RIDGING WILL KEEP WESTERLIES AND STORM TRACK UP ALONG CANADIAN BORDER NEXT SEVEN DAYS. MAX TEMPS IN THE LOW TO MIDDLE 80S AS WE GO THROUGH THE WORK WEEK WITH MINS IN THE 50S. WILL NEED TO KEEP AN EYE ON SOUTHEAST COASTAL AREA AS UPPER LOW DEVELOPS MID TO LATTER PART OF WORK WEEK AND BUILDS WESTWARD THROUGH THE CAROLINAS AND INTO EASTERN TENNESSEE OVER THE WEEKEND.
TONIGHT THROUGH MONDAY HIGH PRESSURE WILL KEEP DRY AND WARM CONDITIONS OVER CENTRAL AND WESTERN WYOMING. HUMIDITIES ARE EXPECTED TO DIP INTO THE LOW TEENS AGAIN ON MONDAY.
DEWPOINTS ARE IN THE LOWER 50S ACROSS PARTS OF THE HILL COUNTRY TO THE MID 60S ACROSS OUR COASTAL PLAINS COUNTIES. THE SUB-TROPICAL RIDGE BUILDS BACK INTO OUR AREA ON MONDAY AND REMAINS THE DOMINANT FEATURE FOR SEVERAL DAYS. MONDAY SHOULD BE ANOTHER PLEASANT DAY WITH PARTLY CLOUDY SKIES WITH HIGHS IN THE LOWER TO MID 90S.
856 PM CDT SUN SEP 20 2015 Another quiet but cool night across central and southeast Illinois as high pressure remains in control of the local weather. Broad expanse of high pressure set up in the Midwest with the ridge axis stretched from the eastern Great Lakes back into Missouri. Dominant high pressure should give Central Illinois another quiet night. Winds will become light and variable under the ridge, with temps dropping into the upper 40s and lower 50s. High pressure centered over the Great Lakes and extending southwest across Illinois will gradually shift to the east over the first half of this week.
1030 PM EDT SUN SEP 20 2015 A LARGE AREA OF HIGH PRESSURE WILL CONTINUE TO BUILD ACROSS THE NORTH COUNTRY TONIGHT AND BE THE MAIN WEATHER FEATURE THOUGH MUCH OF THE UPCOMING WEEK. LARGE HIGH PRESSURE AREA WILL CONTINUE TO DOMINATE ACROSS THE NORTH COUNTRY DURING THE SHORT-TERM PERIOD.
HOWEVER FORCING FROM THIS SYSTEM CONTINUES TO WEAKEN OVERNIGHT AS HIGH PRESSURE BEGINS TO BUILD NORTHEAST TOWARD THE GREAT LAKES FROM THE PLAINS. UPPER RIDGING WILL THEN BUILD IN FROM THE WEST MONDAY.
COLD FRONT THOUGH NEARLY STATIONARY FROM NEAR JAS TO DKR TO INJ WITH A FEW SHOWERS AHEAD OF THE BOUNDARY NEAR ACT BUT THE MAJORITY OF THE SHOWERS ARE NORTH OF THE BOUNDARY.
A COLD FRONT WILL MOVE EAST OF THE AREA THIS EVENING WITH SHOWERS ENDING AND WINDS EASING.
1028 PM EDT SUN SEP 20 2015 CURRENTLY - AN AREA OF LOW PRESSURE STRETCHING NORTHEASTWARD OFF THE ATLANTIC COAST AND A HIGH PRESSURE ARE STILL HUNG UP OVER THE EASTERN UNITED STATES IS KEEPING THE FLORIDA KEYS IN A VERY WEAK MAINLY WESTERLY FLOW. AND A DRIER WARMER LAYER ABOVE THE BOUNDARY LAYER.
935 PM EDT SUN SEP 20 2015 HIGH PRESSURE WILL BUILD NORTH OF THE REGION TONIGHT AND MONDAY. HIGH PRESSURE WILL REMAIN OVER THE NORTHEAST U. WITH LOW PRESSURE NEARLY STATIONARY OFF THE SOUTHEAST COAST. UPPER TROUGH OVER THE UPPER MIDWEST WILL AMPLIFY NEXT 24 HRS WITH A CLOSED LOW FCST TO EVOLVE OVR LK ERIE BY 00Z TUE. SREF AND WPC GUIDANCE SHOW QPF CONFINED MAINLY ALONG AND WEST OF THE BLUE RIDGE WHILE GFS. USED A COMPROMISED BETWEEN THESE TWO CAMPS WITH THE HIGHER QPF ALONG AND WEST OF THE BLUE RIDGE AS SUGGESTED BY WPC.
732 PM EDT SUN SEP 20 2015 A LARGE AREA OF HIGH PRESSURE WILL CONTINUE TO BUILD ACROSS THE NORTH COUNTRY TONIGHT AND BE THE MAIN WEATHER FEATURE THOUGH MUCH OF THE UPCOMING WEEK. LARGE HIGH PRESSURE AREA WILL CONTINUE TO DOMINATE ACROSS THE NORTH COUNTRY DURING THE SHORT-TERM PERIOD.
AN UPPER LEVEL LOW PRESSURE SYSTEM WILL CONTINUE MOVING EASTWARD TODAY ACROSS CENTRAL CALIFORNIA.
915 AM PDT WED JUN 10 2015 WITH LOW PRESSURE MOVING THROUGH THE AREA AND TROPICAL MOISTURE STILL IN PLACE.
957 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.
ISOLATED THUNDERSTORMS COULD DEVELOP IN THE HIGHER TERRAIN OF THE SMOKIES AND SW NC.
645 AM CDT WED JUN 10 2015 HIGH PRESSURE CONTINUES OVER THE AREA AND WILL KEEP RAIN CHANCES LIMITED THROUGH THURSDAY.
FRONTAL TROF OVER THE ERN SEABOARD IS KEEPING THE ATLC RIDGE AXIS SUPPRESSED OVER THE FL STRAITS. ATLC HI PRES RIDGE REMAINS SUPPRESSED OVER THE FL STRAITS THANKS TO A FRONTAL TROF PUSHING OFF THE ERN SEABOARD.
959 AM EDT WED JUN 10 2015 A COLD FRONT OVER THE UPPER GREAT LAKES TODAY WILL MOVE SOUTHEAST REACHING NORTHERN PENNSYLVANIA TONIGHT. 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. 5 INCHES INVOF A WARM FRONT ACROSS LOWER MICHIGAN AND NRN OHIO. 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.
PREVIOUS OVERHEAD H5 RIDGING IS SLIPPING TO THE WEST. WITH HIGH PRESSURE STILL IN CONTROL AT THE SURFACE. LATEST WATER VAPOR IMAGERY SHOWS THE 500MB RIDGE AXIS ACROSS NORTHERN MEXICO EXTENDING INTO THE CENTRAL PLAINS AND A 500MB TROUGH ACROSS THE EASTERN U. THE 500MB RIDGE OVER NORTHERN MEXICO WILL MOVE SLOWLY WEST TOWARD NORTHWEST MEXICO TODAY AS MID LEVEL WEAKNESS CONTINUES TO DRIFT SOUTH OVER THE GULF OF MEXICO. THE WEAK GRADIENT ALONG THE LOWER TEXAS COAST WILL MAINTAIN LIGHT TO OCCASIONALLY MODERATE SOUTHEAST WINDS TODAY. AN UPTICK IN SOUTHEAST WINDS EXPECTED ON THURSDAY DUE TO THE INTERACTION OF LOW PRESSURE ACROSS WEST TEXAS AND HIGH PRESSURE OVER THE GULF.
1240 PM EDT WED JUN 10 2015 WEAK HIGH PRESSURE BUILDS IN BEHIND THE DEPARTED COLD FRONT TODAY.
930 AM PDT WED JUN 10 2015 A LOW PRESSURE TROUGH CENTERED OVER CENTRAL CALIFORNIA TODAY WILL BRING A CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS TO THE NORTHERN MOUNTAINS AND THE HIGH DESERTS.
THERE WAS A MESO HIGH (ASSOCIATED WITH A WEAK COLD POOL) AT PANAMA CITY, AN OUTFLOW BOUNDARY TRANSLATING SOUTH AND EAST OFFSHORE, AND A SYNOPTIC SCALE (BUT WEAK) TROUGH FROM COASTAL LA THROUGH THE FL PANHANDLE. VAPOR IMAGERY AND UPPER AIR DATA SHOWED A NNE-SSW ORIENTED TROUGH OVER THE FORECAST AREA, WITH PLENTY OF DEEP LAYER MOISTURE.
725 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.
730 AM EDT WED JUN 10 2015 A COLD FRONT WILL MOVE SOUTHEAST INTO THE AREA TODAY. THE FRONT IS EXPECTED TO LIFT NORTH INTO SOUTHERN MICHIGAN THURSDAY AS A LOW PRESSURE SYSTEM MOVES NORTHEAST FROM COLORADO TO IOWA. A COLD FRONT WILL MOVE SOUTHEAST ACROSS WISCONSIN TODAY AND SHOULD BECOME NEARLY STATIONARY OVER NORTHERN INDIANA AND NORTHERN OHIO BY THIS EVENING. FAVORED THE HIGH RESOLUTION NCEP MODELS THAT APPEAR TO HAVE A GOOD HANDLE WITH THE FRONT AND THE DEVELOPMENT OF AFTERNOON STORMS.
THE CLOUDS ARE ALONG A LOW LEVEL TROF THAT SANK SOUTHWARD INTO THE AREA LAST NIGHT.
/ISSUED 349 AM CDT Wed Jun 10 2015/ (Today and Tonight) Very quiet in the short term for West Central Texas, with the upper level ridge axis directly overhead.
THE UPPER RIDGE WILL SHIFT EAST INTO THE MISSOURI VALLEY THIS AFTERNOON.
HIGH PRESSURE WILL BE OVER THE REGION WITH LIGHT. MAIN QUANDARY FOR THIS PERIOD CENTERS AROUND THE POSSIBILITY FOR SHWRS/TSTMS THIS AFTERNOON ACROSS THE HIGHER ELEVATIONS OF THE PLATEAU. REST OF MID STATE SHOULD REMAIN DRY PER SFC/UPPER LEVEL RIDGING INFLUENCES. REST OF MID STATE WILL CONTINUE TO REMAIN DRY PER ABOVE MENTIONED RIDGING INFLUENCES. PER BUILDING FROM THE EAST BERMUDA HIGH PRESSURE INFLUENCES SFC/ALOFT THU THRU FRI NIGHT. AND DESPITE THESE BUILDING RIDGING INFLUENCES. ALTHOUGH AT THIS TIME OF YEAR ALSO WITH FREEZING LEVEL HEIGHTS RATHER HIGH. GENERALLY SPANNING THE LOWER 90S.
/ISSUED 419 AM CDT WED JUN 10 2015/ UPPER LEVEL RIDGE OVER NEW MEXICO WILL RETREAT. AN UPPER LEVEL LOW APPROACHING THE CA COAST WILL SLOWLY MOVE INLAND.
MODELS ARE IN BETTER AGREEMENT ABOUT THE LOCATION OF THE HIGHER AMOUNTS OF PRECIP BEING ACROSS NORTHEASTERN WYOMING AND SOUTH CENTRAL SD.
532 AM MDT WED JUN 10 2015 THE UPPER RIDGE WILL SHIFT EAST INTO THE MISSOURI VALLEY THIS AFTERNOON.
900 AM EDT WED JUN 10 2015 WEAK HIGH PRESSURE BUILDS IN BEHIND THE DEPARTED COLD FRONT TODAY.
THIS LEAVES THE COLD FRONT TO THE NORTH AND THE BUILDING BERMUDA HIGH TO THE SOUTH AS THE SENSIBLE WEATHER. AT THIS TIME DON/T EXPECT THE COLD FRONT TO THE NORTH TO MAKE IT THIS FAR SOUTH. 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.
DRIER AND COOLER AIR WILL COME IN FROM OREGON DURING THE DAY AND INTO WESTERN IDAHO ZONES LATE TODAY AND TONIGHT. MOSTLY SUNNY AND A LITTLE COOLER IN ALL AREAS THURSDAY UNDER WNWLY FLOW ALOFT. BUT STILL WARMER THAN NORMAL FOR EARLY JUNE. BUT 6 TO 8 DEGREES COOLER THAN YESTERDAY.
/ISSUED 502 AM CDT WED JUN 10 2015/ LATEST WV/UA ANALYSIS SHOWS AN UPR TROF OVER THE ERN CONUS WITH AN UPR RIDGE CNTRD OVER CNTL MEX NWD INTO ERN NEW MEX/SE COLO. WEAK HIGH PRES WAS RIDGING WEST ACRS THE GULF COAST AND SE STATES WITH A LT SLY FLOW OVER THE REGION. THE UPR RIDGE TO THE WEST WILL CONTINUE TO LOSE ITS INFLUENCE ON THE AREA AS LOW PRES ALOFT BEGINS TO CUTOFF FM THE NRN STREAM TROF. AFTN HIGHS SHOULD FLIRT WITH NEAR NORMAL VALUES IN THE UPPER 80S TO LOWER 90S OUTSIDE OF AREAS OF CONVECTION WITH TEMPERATURES A LITTLE COOLER IN THOSE AREAS THAT DO GET A SHOWER.
Light s-se wind in place with surface trof located in lee of mtns. /ISSUED 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.
SOUTH TO SOUTHWEST WINDS 10-15KTS AND 2-4 FT SEAS EXPECTED NEXT SEVERAL DAYS WITH HIGH PRESSURE CENTERED EAST OF THE WATERS.
1237 PM EDT WED JUN 10 2015 A COLD FRONT WILL MOVE SOUTHEAST INTO THE AREA TODAY. THE FRONT IS EXPECTED TO LIFT NORTH INTO SOUTHERN MICHIGAN THURSDAY AS A LOW PRESSURE SYSTEM MOVES NORTHEAST FROM COLORADO TO IOWA. A COLD FRONT WILL MOVE SOUTHEAST ACROSS WISCONSIN TODAY AND SHOULD BECOME NEARLY STATIONARY OVER NORTHERN INDIANA AND NORTHERN OHIO BY THIS EVENING. FAVORED THE HIGH RESOLUTION NCEP MODELS THAT APPEAR TO HAVE A GOOD HANDLE WITH THE FRONT AND THE DEVELOPMENT OF AFTERNOON STORMS.
A DEEP LAYER SUBTROPICAL ANTICYCLONE REMAINS CENTERED OVER THE SOUTHEASTERN BAHAMAS. SKIMMING THE TOP LAYERS OF THIS RIDGE IS A TROUGH IN THE UPPER LEVELS.
849 AM PDT WED JUN 10 2015 SATELLITE IMAGERY SHOWS A CLOSED UPPER LOW CENTERED OVER CENTRAL CALIFORNIA. DRIER WEATHER WILL BEGIN TO SET IN AS THE UPPER LOW SHIFTS EASTWARD TONIGHT. HIGH PRESSURE WILL QUICKLY BUILD INTO THE REGION THE NEXT FEW DAYS.
THE AIRMASS IS COOLER TODAY BUT TWO AREAS OF INTEREST WILL STILL BRING A CHANCE OF PRECIP.
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 MID/UPPER LEVEL TROUGH WILL BE MOVING INTO THE AREA WITH PLENTY OF LIFT AND INSTABILITY.
1004 AM EDT WED JUN 10 2015 A COLD FRONT WILL MOVE SOUTHEAST INTO THE AREA TODAY. THE FRONT IS EXPECTED TO LIFT NORTH INTO SOUTHERN MICHIGAN THURSDAY AS A LOW PRESSURE SYSTEM MOVES NORTHEAST FROM COLORADO TO IOWA. A COLD FRONT WILL MOVE SOUTHEAST ACROSS WISCONSIN TODAY AND SHOULD BECOME NEARLY STATIONARY OVER NORTHERN INDIANA AND NORTHERN OHIO BY THIS EVENING. FAVORED THE HIGH RESOLUTION NCEP MODELS THAT APPEAR TO HAVE A GOOD HANDLE WITH THE FRONT AND THE DEVELOPMENT OF AFTERNOON STORMS.
1232 PM 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.
1011 AM EDT WED JUN 10 2015 A COLD FRONT OVER THE UPPER GREAT LAKES TODAY WILL MOVE SOUTHEAST REACHING NORTHERN PENNSYLVANIA TONIGHT. 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. 5 INCHES INVOF A WARM FRONT ACROSS LOWER MICHIGAN AND NRN OHIO. 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.
941 AM EDT WED JUN 10 2015 HIGH PRESSURE WILL BUILD OVER THE REGION TODAY.
658 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.
HIGH TEMPERATURES ARE EXPECTED IN THE LOWER TO MIDDLE 90S. 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.
IT REMAINS HOT AND HUMID WITH DEWPOINTS IN THE LOWER TO MID 70S. /ISSUED 331 AM CDT WED JUN 10 2015/ HAVE MADE LITTLE CHANGE TO THE FORECAST WHICH CALLS FOR AN INCREASING CHANCE OF SHOWERS AND THUNDERSTORMS DURING THE SECOND HALF OF THE WEEK AS MID/UPPER LEVEL RIDGING CONTINUES TO ERODE ACROSS THE STATE.
TEMPERATURES RUNNING A FEW DEGREES WARMER COMPARED TO YESTERDAY WITH HEAT INDICES IN THE UPPER 90S EXPECTED THIS AFTERNOON.
A COLD FRONT IS EXPECTED TO ADVANCE ACROSS THE REGION LATE TODAY AND TONIGHT. A SLIGHT RISK OF ISOLATED SEVERE THUNDERSTORMS WILL EXIST LATE THIS AFTERNOON AND EARLY EVENING NORTH OF INTERSTATE 80 AS A COLD FRONT SLOWLY APPROACHES THE AREA. 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.
632 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.
SHOWERS AND POSSIBLE THUNDERSTORMS WILL CONTINUE ACROSS THE REGION TODAY AS AN UPPER LEVEL LOW PRESSURE SYSTEM MOVES INTO CENTRAL CALIFORNIA.
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.
HIGH PRESSURE ALOFT WILL DEVELOP ACROSS THE AREA LATE IN THE WEEK. A POSITIVELY TILTED MID LEVEL TROUGH EXTENDS ACROSS THE GREAT BASIN THIS MORNING. ANCHORED AROUND A WEAKENING UPPER LOW WHICH IS MOVING ONSHORE ACROSS CENTRAL CA. A 90KT JET ALONG THE SOUTHERN PERIPHERY OF THIS TROUGH IS NOSING INTO SOUTHWESTERN UT. THIS IS ALL IN THE WAKE OF A MID LEVEL TROUGH WHICH LIFTED ACROSS THE REGION OVERNIGHT AND HAS SINCE PROGRESSED EASTWARD INTO THE CENTRAL ROCKIES REGION. AND LARGE SCALE ASCENT ACROSS NORTHERN NV ASSOCIATED WITH THE UPPER TROUGH AXIS. AS THE UPPER TROUGH SLOWLY MOVES EASTWARD OVERNIGHT INTO THURSDAY PRECIPITATION CHANCES WILL INCREASE ACROSS THE NORTH UNDER BETTER LARGE SCALE FORCING.
1212 PM EDT WED JUN 10 2015 A COLD FRONT OVER THE UPPER GREAT LAKES TODAY WILL MOVE SOUTHEAST REACHING NORTHERN PENNSYLVANIA TONIGHT. 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. 5 INCHES INVOF A WARM FRONT ACROSS LOWER MICHIGAN AND NRN OHIO. 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.
REMNANTS OF TROPICAL DEPRESSION BLANCA, COMBINED WITH A TROUGH OF LOW PRESSURE SLOWLY MOVING INTO THE GREAT BASIN THIS AFTERNOON, WILL ALLOW FOR WIDESPREAD SHOWERS AND THUNDERSTORMS ACROSS THE REGION TODAY. THIS TROUGH OF LOW PRESSURE WILL SLOWLY MOVE THROUGH THE FORECAST AREA DURING THE LATTER HALF OF THE WEEK, LEADING TO WET WEATHER AND INCREASING CHANCES OF SHOWERS AND STORMS WITH POTENTIAL FOR HEAVY RAIN.
A LOW PRESSURE SYSTEM ALONG THE INTERSECTION OF MONTANA.
THE UPPER RIDGE BUILDING INTO THE EASTERN ROCKIES WILL FOCUS PRECIP ASSOCIATED WITH THE CUTOFF LOW OFF THE PACIFIC COAST. ADDED SUNSHINE WILL BOOST DAYTIME HIGHS MORE TO NEAR NORMAL WITH HIGHS IN THE LOWER TO MID 70S. LITTLE HAS CHANGED REGARDING THE FORECASTED PATH OF THE UPPER LEVEL CLOSED LOW AND ITS ASSOCIATED IMPACT ON THE WEATHER FOR THE TRI- STATE AREA DURING THIS PERIOD.
TODAY THROUGH TUESDAY NIGHT CURRENT SURFACE ANALYSIS SHOWS LOW PRESSURE OVER SOUTH CENTRAL CANADA. WEAK HIGH PRESSURE IS LOCATED FROM THE CANADIAN ROCKIES INTO WESTERN MT.
303 AM EDT MON OCT 5 2015 LOW PRESSURE ALONG THE SOUTHEAST COAST WILL CONTINUE TO WEAKEN AND MOVE AWAY TO THE EAST. AS UPPER LEVEL RIDGING REMAINS OVER THE SOUTH CENTRAL CONUS.
416 AM MDT MON OCT 5 2015 FORECAST PROBLEMS WILL BE FOG/STRATUS AND THEIR AFFECT ON THE HIGH TEMPERATURES.
554 AM EDT MON OCT 5 2015 A LARGE AREA OF HIGH PRESSURE CENTERED OVER NORTHERN MAINE WILL RIDGE INTO THE MID ATLANTIC REGION AS IT DRIFTS SOUTH OVER THE NEXT SEVERAL DAYS. WITH A MAINLY DRY COLD FRONT IN THE MIDDLE OF THE WEEK.
HIGH PRESSURE BUILDING OVER CENTRAL INDIANA WILL BRING DRY WEATHER FOR THE NEXT SEVERAL DAYS AND SLIGHTLY ABOVE NORMAL TEMPERATURES.
Given the high cloud bases/large dew-point depressions in place it's no surprise that most locations are not reporting precipitation, with Abilene and Sonora having been the only sites reporting light rain in our forecast area since midnight.
118 AM EDT MON OCT 5 2015 HIGH PRESSURE OVER QUEBEC WILL CONTINUE TO BUILD SLOWLY SOUTH INTO THE GREAT LAKES AND NORTHEAST TONIGHT THROUGH THE MIDDLE OF THE COMING WEEK.
PATCHES OF FOG SHOULD DEVELOP UNDER THE CLEARING SKY, ALONG WITH COOLER TEMPERATURES OVERNIGHT. THE LOW PRESSURE CENTER OVER SOUTHERN CALIFORNIA WILL SLOWLY MOVE EAST MONDAY AND TUESDAY. FLOW AHEAD OF THIS LOW WILL BRING MOISTURE TOWARDS EXTREME SOUTHERN PORTIONS OF SOUTHWEST MONTANA.
HIGH PRESSURE CONTINUES OVERHEAD WITH MID AND HIGH CLOUDS STREAMING IN FROM THE PACIFIC. MUCH OF THE HIGH/MID LEVEL MOISTURE IS REMNANTS FROM EASTERN PACIFIC HURRICANE MARTY. HIGH PRESSURE AT THE SFC AND RIDGING ALOFT WILL KEEP METEOROLOGICAL CONDITIONS STABLE THROUGH THE SHORT TERM.
AND RIDGING OVER MUCH OF THE INTERIOR/PLAINS REGION. WITH HIGH PRESSURE MAINLY CENTERED OFF TO OUR EAST.