Aikyam-Lab/Synoptic-Bench huggingface dataset:
AN UPPER TROUGH ALONG WITH A SURFACE WAVE WILL CROSS THE AREA OVERNIGHT. HIGHS WILL BE SEVERAL DEGREES COOLER TOMORROW. BEGINNING A TREND TOWARD A MUCH COOLER WEEKEND. AS A COLD FRONT PUSHES IN FROM THE WEST ON THURSDAY, EXPECT CONDITIONS TO BECOME VFR AT CKV AND BNA BETWEEN LATE MORNING AND MID-AFTERNOON. THE HIGHEST POPS TOMORROW WILL BE ORIENTED SOUTH/EAST OF THE FRONT OVER SOUTHERN MIDDLE TN INTO THE PLATEAU. WHILE THIS FRONT WILL USHER IN A SLIGHTLY COOLER AND DRIER AIRMASS, MORE SIGNIFICANT CHANGES ARE IN STORE FOR THE WEEKEND.
858 PM MDT WED SEP 9 2015 A WEAK BACKDOOR COLD FRONT IS MOVING SOUTH THROUGH THE EASTERN PART OF THE STATE. SLIGHTLY COOLER TEMPERATURES UNDER MOSTLY SUNNY SKIES CAN BE EXPECTED BEHIND THE FRONT FOR THURSDAY.
NO UPDATES PLANNED THIS EVENING AS OFFSHORE FLOW AND HIGH PRESSURE ALOFT WILL KEEP CLEAR SKIES GOING THROUGH THE NIGHT FOR THE VAST MAJORITY OF OUR FORECAST AREA. AN UPPER RIDGE OVER OUR AREA WILL BUILD AND AMPLIFY OVER THE NEXT FEW DAYS.
1234 AM EDT SAT SEP 26 2015 HIGH PRESSURE WILL BUILD ACROSS THE REGION OVERNIGHT THROUGH THE WEEKEND.
EXPECT SOME LIGHT FOG/MIST WITH THE LOWER CLOUDS IN SOME AREAS. IT WILL BE WARM AND WINDY WITH HIGHS AROUND 80 OR PERHAPS EVEN INTO THE LOW 80S.
545 PM MDT FRI SEP 25 2015 AN UPPER LEVEL LOW PRESSURE AREA CURRENTLY SPINNING OVER NORTHEAST KANSAS IS FORECAST MOVE SOUTHWEST TONIGHT REACHING WEST CENTRAL OKLAHOMA BY MORNING. DURING THE AFTERNOON HOURS THE LOW CONTINUES SOUTH-SOUTHWEST WITH A SHARP UPPER RIDGE AXIS JUST WEST OF THE AREA. UPPER RIDGE CENTERED OVER THE FOUR CORNERS WILL HOLD FIRM THROUGH MOST OF THE UPCOMING WEEK.
626 PM CDT FRI SEP 25 2015 A few light around this evening will dissipate quickly with loss of heating and lack shrtwv trough. Into Sat PM there will be shrtwv trough and associated 55kt 3h jet that will serve to increase the chance for SHRA/TSRA, mostly n of I20. Isold SHRA/TSRA will be possible across Srn PB/Lower Trans Pecos Sun PM with a secondary mid level theta-e ridge axis.
Satellite water vapor and regional radar loops show a weak upper low spinning over north central Kansas at 19Z. Showers and isolated thunderstorms continue across much of the forecast area in the circulation around the upper low. Short term high resolution models as well as the larger scale models continue to show the upper low gradually moving south southwest through the night. Saturday the energy around the upper low will shear out with gradually rising heights across eastern Kansas.
647 PM CDT FRI SEP 25 2015 LOW PRESSURE CONTINUES TO DRIFT SOUTHWEST THROUGH CENTRAL NEBRASKA TAKING MOST OF THE STRATUS WITH IT. TOWARDS SUNSET ANY CU OR SPRINKLES THAT DO DEVELOP WILL QUICKLY DISSIPATE AND WINDS WILL DIMINISH AS A RIDGE IF HIGH PRESSURE BUILDS SOUTHWEST FROM MINNESOTA.
NORTH TX AREAS REMAINS UNDER WEAK NORTH FLOW ALOFT REGIME AS THE UPPER RIDGE REMAINS ANCHORED OVER THE SW STATES AND FOUR CORNERS AREA WITH A CUT OFF. BUT LARGE UPPER LOW OVER THE SE STATES. SATURDAY AND SATURDAY NIGHT WILL BE MOSTLY CLEAR TO PARTLY CLOUDY WITH HIGHS FROM THE MIDDLE 80S TO THE LOWER 90S AND LOWS IN THE 60S.
/ISSUED 947 PM CDT FRI SEP 25 2015/ NO CHANGES NEEDED THIS EVENING FROM THIS AFTERNOONS FORECAST AS THINGS STILL LOOK TO BE ON TRACK AS THE UPPER LEVEL LOW CONTINUES PUSHING SOUTH. AN UPPER LEVEL HIGH IN THE SOUTHWESTERN PORTIONS OF THE UNITED STATES CONTINUES TO AMPLIFY AND THEREFORE ENHANCE THE RIDGE REACHING INTO THE NORTHWESTERN REGIONS OF THE UNITED STATES. THIS WILL ALLOW FOR THE UPPER LEVEL LOW OVER NEBRASKA AND KANSAS TO CONTINUE MOVING SOUTHWARD TOWARDS TEXAS AND OKLAHOMA. AS THE UPPER LEVEL LOW MOVES CLOSER TO THE AREA. HIGH TEMPERATURES WILL LIKELY STAY IN THE LOW TO MID 70S IN THE OKLAHOMA AND NORTHERN TEXAS PANHANDLES. AND MAY REACH THE LOWER 80S FOR THE SOUTHERN PORTIONS OF THE TEXAS PANHANDLE.
646 PM CDT FRI SEP 25 2015 UPPER LEVEL HIGH PRESSURE RIDGE EXTENDS OVER THE MAJORITY OF THE NATIONS MID SECTION BUT SEVERAL AREAS OF LOW PRESSURE WILL UNDERCUT THIS FEATURE.
626 PM CDT FRI SEP 25 2015 A few light showers around this evening will dissipate quickly with loss of heating and lack shrtwv trough. Into Sat PM there will be shrtwv trough and associated 55kt 3h jet that will serve to increase the chance for SHRA/TSRA, mostly n of I20. Isold SHRA/TSRA will be possible across Srn PB/Lower Trans Pecos Sun PM with a secondary mid level theta-e ridge axis.
HIGH PRESSURE TO THE NORTH AND LOWER PRESSURES OVER THE BAHAMA ISLANDS AND THE FLORIDA STRAIT WILL PRODUCE AN EASTERLY WIND FOR THE OVERNIGHT.
THE UPPER LEVEL LOW CONTINUES TO SLOWLY PUSH NORTHWARD THIS EVENING AND IS CURRENTLY CENTERED OVER NORTHWEST GEORGIA AND SOUTHEASTERN TENNESSEE. AN INVERTED LOW LEVEL TROF WAS LOCATED ACROSS EAST ALABAMA. IFR CIGS WERE PREVALENT EAST OF THE TROF OVER GEORGIA. THE LOW CIGS WILL GRADUALLY ADVECT WESTWARD OVERNIGHT AS THE INVERTED TROF SHIFTS WESTWARD.
750 PM EDT FRI SEP 25 2015 HIGH PRESSURE ACROSS EASTERN CANADA WILL BUILD INTO NEW ENGLAND OVER THE WEEKEND.
1030 PM EDT FRI SEP 25 2015 HIGH PRESSURE WILL BUILD ACROSS THE REGION OVERNIGHT THROUGH THE WEEKEND.
UPPER LOW ACROSS SOUTHEAST TENNESSEE THIS EVENING. CHATTANOOGA AIRPORT, TN 63 75 64 79 / 60 60 40 30 KNOXVILLE MCGHEE TYSON AIRPORT, TN 61 76 61 78 / 60 60 40 30 OAK RIDGE, TN 61 75 61 78 / 60 60 30 30 TRI CITIES AIRPORT, TN 59 73 60 75 / 50 50 40 30.
919 PM CDT FRI SEP 25 2015 RADAR TRENDS SHOWING DIMINSHED ACTIVITY ACROSS THE AREA AS UPPER LOW HAS NOW MOVED TO JUST NORTH OF CHATTANOOGA.
734 PM EDT FRI SEP 25 2015 APPROACHING LOW PRESSURE WILL INCREASE CLOUDS AND RAIN CHANCES FOR THE WEEKEND. UPPER-LEVEL LOW PRESSURE OVER THE SERN CONUS WILL CONT TO SHUNT MOISTURE OVER THE UPPER OHIO REGION INTO THE WEEKEND. THEN MID LEVEL CLOUD INCREASE OUTSIDE OF THE RIDGES. THE MOISTURE FLOW IS PROJECTED TO CONTINUE THROUGH SATURDAY AS THE LOW DIGS WEAK TOWARD THE MID OHIO VALLEY. BUT STABILITY AND DOWNSLOPE FLOW TO THE WEST OF THE RIDGES ARE PROGGED TO SUPPORT A GENERAL LIGHT RAIN.
1051 PM EDT FRI SEP 25 2015 HIGH PRESSURE ACROSS EASTERN CANADA WILL BUILD INTO NEW ENGLAND OVER THE WEEKEND.
516 PM PDT FRI SEP 25 2015 Clouds will stream into Eastern Washington and Northern Idaho tonight into Saturday with a weakening cold front. We can expect cooler, more seasonal temperatures this weekend, and a bit of light rain.
WITH HIGH PRESSURE BOTTLED UP OVER THE EASTERN UNITED STATES.
LOW TEMPS WILL SINK TO THE LOW TO MID 60S ONCE AGAIN BY MORNING.
745 PM EDT FRI SEP 25 2015 HIGH PRESSURE AND DRY WEATHER WILL REMAIN OVER THE REGION. UPR LOW OVER NRN GA EXPECTED TO LIFT INTO THE OH VALLEY BY SATURDAY NIGHT WHILE UNDERGOING WKNG/SHEARING AS IT ENCOUNTERS INCRSG WESTERLY FLOW ASSOCIATED WITH TROF MOVG EAST ACROSS SWRN CANADA/NW CONUS.
THE NORTH PART OF A SPLITTING UPPER TROUGH WILL MOVE OVER THE PACIFIC NW THIS WEEKEND AS THE SOUTHERN PART FORMS A CUT OFF LOW OFFSHORE OF CALIFORNIA.
UPPER LEVEL LOW NEAR NORTHERN AL/GA STATE LINE WILL CONTINUE TO PROVIDE DAMP WEATHER FOR OUR AREA OVER THE NEXT 24 HOURS OR SO. AREAS CLOSER TO THE UPPER LOW CENTER WILL BE QUITE SOUPY. THE PROXIMITY OF THE UPPER LOW (WHICH WILL CONTINUE A SLOW NORTHBOUND SLIDE) ON SATURDAY WILL HELP KEEP A BIG SPREAD IN AFTERNOON TEMPERATURES. WITH TEMPS RANGING FROM THE LOWER/MID 70S IN THE NORTHEAST TO THE MID 80S IN THE SOUTHWEST.
1206 AM EDT SAT SEP 26 2015 APPROACHING LOW PRESSURE WILL INCREASE CLOUDS AND RAIN CHANCES FOR THE WEEKEND. LOWER CLOUDS WILL INCREASE ACROSS THE SOUTHERN REACHES OF MY FORECAST AREA AS A WAVE OF UPPER LEVEL ENERGY ROTATES AROUND THE UPPER LEVEL LOW OVER THE TENNESSEE VALLEY. THIS IS DUE TO THE STALLED UPPER LOW OVER THE TENNESSEE VALLEY AND WAVES OF ENERGY THE WILL ROTATE AROUND THE SYSTEM IN THE SOUTHEAST FLOW ALOFT.
TEMPERATURES THIS EVENING ARE RUNNING SEVERAL DEGREES COOLER COMPARED TO 24 HOURS AGO. ESPECIALLY IN THE NORTH BAY WITH READINGS 10 TO 15 DEGREES COOLER. OVER THE WEEKEND TEMPS WILL COOL 3 TO 8 DEGREES EACH DAY AS THE RIDGE OF HIGH PRESSURE CONTINUES TO PROGRESS WELL TO THE EAST AS A LONGWAVE TROF NEAR THE COAST.
WITH CONTINUED DRYING EXPECTED AND THE LOW TO OUR SOUTHWEST FILLING AND SINKING SOUTH. THE PRESSURE GRADIENT WILL BEGIN TIGHTENING ESPECIALLY ACROSS WESTERN MN DURING THE AFTERNOON AS LOW PRESSURE STARTS PUSHING EAST THROUGH MONTANA.
Main concern tonight will be the approach of a retrograding low pressure system from southeast of Illinois. The latest high resolution models continue to indicate forcing for precip ahead of the low, but dry antecedent air in place across the area will diminish precip potential. Lows tonight will be held slight warmer for our southeast areas where clouds develop.
1011 PM EDT FRI SEP 25 2015 AN UPPER LEVEL LOW WILL TRACK FROM THE TENNESSEE VALLEY NORTH INTO THE OHIO VALLEY BEFORE WEAKENING OVER THE WEEKEND.
STRONG HIGH PRESSURE ALONG THE FRONT RANGE OF THE ROCKIES HAS RESULTED IN A TIGHT PRESSURE GRADIENT ACROSS ARIZONA.
1045 PM MDT FRI SEP 25 2015 UPPER RIDGE WILL REMAIN IN PLACE OVERNIGHT AND THROUGH THE DAY SATURDAY. SLIGHTLY COOLER AIR MASS FILTERS INTO THE EASTERN PLAINS WITH LOW LEVEL E-SE WINDS NUDGING UP DEWPOINTS SLIGHTLY ALONG AND EAST OF THE MOUNTAINS. BLENDED GUIDANCE AND MOS POINT TO SLIGHTLY COOLER MAX TEMPS SAT AFTERNOON.
FOR 00Z TERMINAL FORECASTS UPPER LOW CENTERED OVER CHATTANOOGA AT 00Z WILL LIFT SLOWLY NORTHWARD UP THROUGH THE CUMBERLAND PLATEAU OVER THE NEXT 24 HOURS. RADARS SHOWING BACK EDGE OF MAIN BAND OF LIGHT RAIN/SHOWER ACTIVITY NOW ALONG INTERSTATE 65 WORKING WESTWARD IN REPONSE TO ROTATION ABOUT THE UPPER LOW.
STILL SOME QUESTIONS ON HOW FURTHER WEST THIS LOW LEVEL MOISTURE ADVANCES. LATEST RAP/NAM KEEP CLOUDS JUST NORTH OF THE DENVER AREA WHILE THE HRRR IS A BIT MORE AMBITIOUS ON THE STATUS INTO NORTH DENVER WITH A MORE INTENSE CYCLONE. AN UPPER LEVEL RIDGE WILL CONTINUE TO BUILD OVER COLORADO FROM THE SOUTHWEST. UPPER LEVEL RIDGE WILL REMAIN OVER COLORADO THROUGH THE WEEKEND.
652 PM CDT FRI SEP 25 2015 Main concern tonight will be the approach of a retrograding low pressure system from southeast of Illinois. The latest high resolution models continue to indicate forcing for precip ahead of the low, but dry antecedent air in place across the area will diminish precip potential. Lows tonight will be held slight warmer for our southeast areas where clouds develop.
NORTH TX AREAS REMAINS UNDER WEAK NORTH FLOW ALOFT REGIME AS THE UPPER RIDGE REMAINS ANCHORED OVER THE SW STATES. SATURDAY AND SATURDAY NIGHT WILL BE MOSTLY CLEAR TO PARTLY CLOUDY WITH HIGHS FROM THE MIDDLE 80S TO THE LOWER 90S AND LOWS IN THE 60S.
614 PM CDT FRI SEP 25 2015 Mid-level ridging extending from the southwestern US up to the northern plains will continue to steer a mid-level disturbance into Central Kansas and away from the CWA through the afternoon hours. This will also cause winds to back to the east northeast, which will lead to slightly cooler temperatures heading into the weekend.
1044 PM EDT FRI SEP 25 2015 APPROACHING LOW PRESSURE WILL INCREASE CLOUDS AND RAIN CHANCES FOR THE WEEKEND. LATEST SATELLITE IMAGERY SHOWS AN UPPER LOW CURRENTLY CENTERED OVER SOUTHERN TENNESSEE MOVING SLOWLY TO THE NORTH WITH UPPER LEVEL CLOUD COVERAGE ACROSS THE REGION. MID- LEVEL CLOUD COVERAGE WILL INCREASE SATURDAY WITH A CHANCE OF RAIN AT LOCATIONS SOUTH OF PITTSBURGH TOWARDS LATE AFTERNOON AS THE LOW DRIFTS NORTH AND LOWER LEVELS SATURATE.
903 PM MDT FRI SEP 25 2015 CURRENT SATELLITE IMAGERY SHOWS A VERY WEAK TROF AND ACCOMPANYING MOISTURE MAKING THEIR WAY THRU THE HILINE AND CENTRAL COUNTIES.
WATER VAPOR IMAGERY THIS EVENING SHOWS THE UPPER LEVEL LOW IS NOW CENTERED OVER THE TN/AL/GA BORDER. THE WEAK LIFT ASSOCIATED WITH THE SYSTEM AND THE LOW LEVEL MOISTURE SHOULD ALLOW FOR CONTINUED ON AND OFF LIGHT SHOWERS/DRIZZLE FOR THE TN VALLEY TONIGHT. TEMPERATURES TONIGHT SHOULD HOLD STEADY IN THE LOWER 60S. AS AN UPPER LEVEL LOW SLOWLY MOVES FROM FAR NW GA TO THE KY/TN BORDER BY SAT EVENING. GIVEN KHSV POSITION TO THE UPPER LOW.
AN UPPER LOW OVER OPENING AS AN UPPER LOW STARTS TO ORGANIZE OVER THE TX COAST. HAVE WENT A BIT COOLER NORTHEAST AS COMPARED TO THE MAJORITY OF THE FA. LOWS IN THE LOWER TO MID 60S.
/ISSUED 700 PM EDT FRI SEP 25 2015/ CURRENT RADAR LOOP SHOWS SHOWERS AND SOME ISOLATED THUNDERSTORMS ROTATING AROUND LOW PRESSURE CENTERED JUST NORTH OF THE AL/TN/GA BORDER. THIS LOW CENTER IS EXPECTED TO CONTINUE MOVING NORTHWARD AS IT WEAKENS THROUGH SAT. AS THIS LOW MOVES N IT WILL PULL THE DEEPER MOISTURE NORTHWARD WITH IT ALSO. THE MODELS ARE IN GOOD AGREEMENT SHOWING THE UPPER LOW DRIFTING SLOWLY NEWD WITH STRONG LOW LEVEL MOISTURE TRANSPORT OFF THE ATLANTIC OVERRUNNING A LINGERING WEAK WEDGE.
MID-LEVEL MOISTURE AHEAD OF AN APPROACHING TROUGH WILL KEEP SCATTERED CLOUD COVER OVER THE AREA THROUGH SATURDAY MORNING.
Lows should fall to the lower 60s across southeast Alabama, extreme southwest Georgia, and the Florida panhandle where clouds are minimal.
739 PM EDT FRI SEP 25 2015 HIGH PRESSURE WILL BUILD ACROSS THE REGION TONIGHT THROUGH THE WEEKEND.
THE RECENT DRY TREND WILL BEGIN GIVE WAY FINALLY TO DAILY CHANCES FOR RAIN THROUGH THE NEXT WORK WEEK AS A LOW PRESSURE SYSTEM PUSHES INTO THE AREA FROM THE SOUTHEAST. AN UPPER LEVEL LOW PRESSURE SYSTEM LOCATED OVER THE SOUTHEASTERN UNITED STATES WILL ROTATE NORTHWESTWARD TOWARD CENTRAL INDIANA. TEMPERATURES TONIGHT WILL RANGE FROM THE MID 50S NORTHWEST TO THE LOW 60S SOUTHEAST. PRECIPITATION CHANCES WILL INCREASE FROM THE SOUTHEAST AS THE LOW PRESSURE SYSTEM CONTINUES ITS PUSH NORTHWESTWARD EARLY SATURDAY.
1042 PM CDT FRI SEP 25 2015 LOW PRESSURE CONTINUES TO DRIFT SOUTHWEST THROUGH CENTRAL NEBRASKA TAKING MOST OF THE STRATUS WITH IT. TOWARDS SUNSET ANY CU OR SPRINKLES THAT DO DEVELOP WILL QUICKLY DISSIPATE AND WINDS WILL DIMINISH AS A RIDGE IF HIGH PRESSURE BUILDS SOUTHWEST FROM MINNESOTA.
900 PM MDT FRI SEP 25 2015 UPPER LOW CONTINUES TO SINK SOUTHWARD THROUGH KANSAS. FORECAST AREA NOW UNDER BROAD UPPER RIDGE WITH A FEW HIGH CLOUDS STREAMING ACROSS NORTHWESTERN SD THIS EVENING. RIDGE AXIS EXTENDS FROM MN ACROSS NE. ADDED PATCHY FOG SOUTH OF I-90 WITH AREAS OF FOG ALONG THE SOUTHEASTERN SLOPES OF THE BLACK HILLS WHERE MOISTURE WILL RISE ALONG THE HIGHER TERRAIN DURING THE EARLY MORNING. SATURDAY THROUGH SATURDAY NIGHT SATURDAY WILL BE VERY WARM AND DRY AS THE UPPER LEVEL RIDGE BEGINS TO BREAK DOWN. LEADING TO HIGH TEMPERATURES IN THE LOWER 80S TO LOWER 90S.
VFR conditions will prevail otherwise as broad ridging aloft over the CONUS maintains quiet weather.
GIVEN THE NEUTRAL ADVECTION REGIME IN PLACE AS THE FORECAST AREA REMAINS IN BETWEEN THE CLOSED LOW ENTERING SRN TN. AND A WEAK CYCLONIC TROUGH SITUATED OVER ECNTRL TX/ERN OK. WITH THE SHORT TERM PROGS SUGGESTING THE POTENTIAL FOR THIN CIRRUS DEVELOPMENT OCCURRING LATE OVER PORTIONS OF E TX/N LA/SW AR AHEAD OF THE WEAK TROUGH. GIVEN THE LIGHT NNE WINDS ASSOCIATED WITH THE LEAD EDGE OF WEAK SFC RIDGING.
SURFACE AND UPPER LEVEL HIGH PRESSURE RIDGING EXTENDS FROM THE SOUTHERN AND CENTRAL ROCKIES INTO THE NORTHERN PLAINS IS PROVIDING FOR MOSTLY SUNNY SKIES THIS LATE FRIDAY AFTERNOON. MOISTURE FROM A FILLING UPPER LOW OVER THE CENTRAL PLAINS WILL BE ADVECTED NORTH TONIGHT AND COULD BRING ANOTHER ROUND OF LOW STRATUS INTO WESTERN AND CENTRAL NORTH DAKOTA LATE TONIGHT. IN SITU MOISTURE FROM A WEAK UPPER LOW MEANDERING ABOUT IN THE CENTRAL PLAINS OF OKLAHOMA AND NEBRASKA WILL GET PULLED NORTH INTO THE NORTHERN PLAINS TONIGHT AS DEPICTED BY THE NAM/GFS. AS THE LOW LEVEL JET INCREASES AFTER SUNSET MORE OF THE MOISTURE WILL MOVE NORTH. ON SATURDAY AN H850 THERMAL RIDGE EXTENDS ACROSS WESTERN NORTH DAKOTA.
HIGH PRESSURE OVER THE SOUTHWESTERN UNITED STATES WILL MAINTAIN UNSEASONABLY WARM CONDITIONS THROUGH THE UPCOMING WEEKEND. A RIDGE WITH A NORTHEAST TO SOUTHWEST ORIENTED AXIS EXTENDING FROM THE NORTHERN GREAT PLAINS INTO SOUTHERN ARIZONA REMAINS IN PLACE THIS EVENING. AMPLE SUNSHINE UNDER THIS RIDGE TODAY COUPLED WITH ENHANCED SOUTHERLY FLOW RESULTED IN WARMER TEMPERATURES ACROSS MANY AREAS TODAY WITH SEVERAL SITES REACHING NEW MAX TEMPERATURE RECORDS. THE RIDGE WILL GRADUALLY SHIFT EAST AND FLATTEN OVER THE COURSE OF THE WEEKEND.
947 PM CDT FRI SEP 25 2015 NO CHANGES NEEDED THIS EVENING FROM THIS AFTERNOONS FORECAST AS THINGS STILL LOOK TO BE ON TRACK AS THE UPPER LEVEL LOW CONTINUES PUSHING SOUTH. AN UPPER LEVEL HIGH IN THE SOUTHWESTERN PORTIONS OF THE UNITED STATES CONTINUES TO AMPLIFY AND THEREFORE ENHANCE THE RIDGE REACHING INTO THE NORTHWESTERN REGIONS OF THE UNITED STATES. THIS WILL ALLOW FOR THE UPPER LEVEL LOW OVER NEBRASKA AND KANSAS TO CONTINUE MOVING SOUTHWARD TOWARDS TEXAS AND OKLAHOMA. AS THE UPPER LEVEL LOW MOVES CLOSER TO THE AREA. HIGH TEMPERATURES WILL LIKELY STAY IN THE LOW TO MID 70S IN THE OKLAHOMA AND NORTHERN TEXAS PANHANDLES. AND MAY REACH THE LOWER 80S FOR THE SOUTHERN PORTIONS OF THE TEXAS PANHANDLE.
1135 PM CDT FRI SEP 25 2015 REGION REMAINS BETWEEN SYSTEMS WITH HIGH PRESSURE OVER THE GREAT LAKES RESULTING IN LIGHT EASTERLY WINDS AND SOME RESIDUAL HIGH CLOUDS FROM DECAYING UPPER LOW OVER EASTERN NEBRASKA MOVING SOUTH. TEMPERATURES AT 2 PM RUNNING IN THE UPPER 70S TO AROUND 80F WITH LITTLE CHANGE IN THE SURFACE OR UPPER PATTERN THE NEXT COUPLE OF DAYS DUE TO CLOSED LOW OVER CENTRAL MISSISSIPPI RIVER VALLEY. THIS SHOULD ALLOW FOR MINS MOSTLY LOCATIONS AT THE LOWER END OF GUIDANCE WITH UNLIKELY RISK OF PATCHY FOG. SOUTHEAST CONUS UPPER LOW IS GENERALLY SHOWN TO RETROGRADE NNW AND WEAKEN/FILL INTO OPEN TROUGH JUST TO OUR SOUTH ACROSS PORTIONS OF THE MID-MISSISSIPPI INTO OHIO VALLEYS BEFORE EVENTUALLY BEING SHOVED EWD BY STRENGTHENING WESTERLIES.
944 PM CDT FRI SEP 25 2015 THE UPPER LEVEL LOW WILL CONTINUE TO DRIFT NORTH-NORTHWEST OVERNIGHT WITH HIGH CLOUD COVER ROTATING INTO PORTIONS OF WEST TN/NE MS. MAINTAINED A SLIGHT CHANCE FOR A FEW SHOWERS AS THE WESTERN INFLUENCE OF THE LOW PROVIDES SOME FORCING FOR ASCENT. WATER VAPOR SATELLITE TRENDS THIS AFTERNOON PLACE AN UPPER LEVEL LOW NEAR CHATTANOOGA WHILE ANOTHER LOW IS LOCATED OVER NORTHEAST KANSAS AND A THIRD ONE OVER TEXAS. VISIBLE SATELLITE TRENDS INDICATE THE WESTERN EDGE OF CLOUDS ASSOCIATED WITH THE UPPER LEVEL LOW BEGINNING TO ENTER PORTIONS OF THE MID SOUTH EAST OF THE MISSISSIPPI RIVER. NOT MUCH CHANGE FROM PREVIOUS FORECASTS OVERALL AS AN UPPER LEVEL LOW NEAR CHATTANOOGA WILL CONTINUE TO DRIFT NORTHWEST INTO THE TENNESSEE VALLEY AND GRADUALLY WEAKEN IS IT MOVES UPSTREAM INTO PORTIONS OF KENTUCKY.
FOR 06Z FORECASTS UPPER LOW CENTER SPINNING NEAR CROSSVILLE AT 04Z WITH MOST OF THE RAIN ON EAST SIDE OF LOW.
622 PM CDT FRI SEP 25 2015 REGION REMAINS BETWEEN SYSTEMS WITH HIGH PRESSURE OVER THE GREAT LAKES RESULTING IN LIGHT EASTERLY WINDS AND SOME RESIDUAL HIGH CLOUDS FROM DECAYING UPPER LOW OVER EASTERN NEBRASKA MOVING SOUTH. TEMPERATURES AT 2 PM RUNNING IN THE UPPER 70S TO AROUND 80F WITH LITTLE CHANGE IN THE SURFACE OR UPPER PATTERN THE NEXT COUPLE OF DAYS DUE TO CLOSED LOW OVER CENTRAL MISSISSIPPI RIVER VALLEY. THIS SHOULD ALLOW FOR MINS MOSTLY LOCATIONS AT THE LOWER END OF GUIDANCE WITH UNLIKELY RISK OF PATCHY FOG. SOUTHEAST CONUS UPPER LOW IS GENERALLY SHOWN TO RETROGRADE NNW AND WEAKEN/FILL INTO OPEN TROUGH JUST TO OUR SOUTH ACROSS PORTIONS OF THE MID-MISSISSIPPI INTO OHIO VALLEYS BEFORE EVENTUALLY BEING SHOVED EWD BY STRENGTHENING WESTERLIES.
550 PM MDT FRI SEP 25 2015 UPPER RIDGE WILL REMAIN IN PLACE OVERNIGHT AND THROUGH THE DAY SATURDAY. SLIGHTLY COOLER AIR MASS FILTERS INTO THE EASTERN PLAINS WITH LOW LEVEL E-SE WINDS NUDGING UP DEWPOINTS SLIGHTLY ALONG AND EAST OF THE MOUNTAINS. BLENDED GUIDANCE AND MOS POINT TO SLIGHTLY COOLER MAX TEMPS SAT AFTERNOON.
A LOW PRESSURE SYSTEM WILL BRING A THREAT OF SHOWERS TO PARTS OF THE AREA ON SATURDAY.
634 PM CDT FRI SEP 25 2015 SURFACE AND UPPER LEVEL HIGH PRESSURE RIDGING EXTENDS FROM THE SOUTHERN AND CENTRAL ROCKIES INTO THE NORTHERN PLAINS IS PROVIDING FOR MOSTLY SUNNY SKIES THIS LATE FRIDAY AFTERNOON. MOISTURE FROM A FILLING UPPER LOW OVER THE CENTRAL PLAINS WILL BE ADVECTED NORTH TONIGHT AND COULD BRING ANOTHER ROUND OF LOW STRATUS INTO WESTERN AND CENTRAL NORTH DAKOTA LATE TONIGHT. IN SITU MOISTURE FROM A WEAK UPPER LOW MEANDERING ABOUT IN THE CENTRAL PLAINS OF OKLAHOMA AND NEBRASKA WILL GET PULLED NORTH INTO THE NORTHERN PLAINS TONIGHT AS DEPICTED BY THE NAM/GFS. AS THE LOW LEVEL JET INCREASES AFTER SUNSET MORE OF THE MOISTURE WILL MOVE NORTH. ON SATURDAY AN H850 THERMAL RIDGE EXTENDS ACROSS WESTERN NORTH DAKOTA.
TEMPERATURE DEW POINT DEPRESSIONS AND INFORMATION FROM SURROUNDING OBS INDICATE THAT THE LOW VISIBILITIES OCCASIONALLY BELOW A MILE ARE FALSE. SOUTHWESTERLY WINDS WILL PREVAIL ALONG WITH A DRY NORTHWESTERLY FLOW ALOFT ALLOWING FOR DRY AND UNSEASONABLY WARMER CONDITIONS TODAY.
A STRONG HIGH PRESSURE SYSTEM WILL CONTINUE TO COVER THE REGION THROUGH WEDNESDAY. THE HIGH PRESSURE SYSTEM IS FORECAST TO WEAKEN LATE WEDNESDAY.
147 PM EDT TUE OCT 13 2015 A COLD FRONT WILL MOVE THROUGH THE FORECAST AREA LATE THIS AFTERNOON AND EVENING. THE COLD FRONT WILL MOVE THROUGH THE FORECAST AREA LATE THIS AFTERNOON AND EVENING. IT WILL BE WARM JUST AHEAD OF THE COLD FRONT AND TEMPERATURES WILL PEAK MAINLY IN THE LOWER 80S.
349 PM EDT TUE OCT 13 2015 A COLD FRONT WILL MOVE EAST TONIGHT INTO THE ATLANTIC OCEAN.
ISSUED BY NATIONAL WEATHER SERVICE STATE COLLEGE PA 132 PM EDT TUE OCT 13 2015 A COLD FRONT WILL PASS THROUGH TODAY WITH A GOOD CHANCE OF SHOWERS. MARKING THE TRANSITION TO A COOLER AND UNSETTLED PATTERN FOR THE NEXT SEVERAL DAYS.
LOWS NEAR FREEZING ARE EXPECTED THIS WEEKEND. THE BROAD UPPER TROUGH IS PROGGED TO PERSIST THROUGH THE REST OF THE WEEK.
HIGH PRESSURE WILL REMAIN IN PLACE ACROSS NORTHERN NEVADA FOR THE NEXT FEW DAYS.
TODAY THROUGH WEDNESDAY NIGHT UPPER LEVEL ANALYSIS HAS CLOSED LOW OVER THE GREAT LAKES REGION WITH BROAD UPPER RIDGE OVER THE WESTERN CONUS. FROM 33 DEGREES NEAR PINE RIDGE. WEAK LOW PRESSURE IN WESTERN NORTH DAKOTA WILL SLIDE INTO EASTERN SOUTH DAKOTA BY NOON. WITH A TRAILING COLD FRONT MOVING THROUGH WESTERN SOUTH DAKOTA. THE SURFACE PRESSURE GRADIENT WILL BEGIN TO RELAX AS HIGH PRESSURE MOVES INTO THE REGION. UPPER RIDGE REMAINS ACROSS THE WESTERN CONUS WITH FAST WEST TO NORTHWEST FLOW ACROSS THE NORTHERN PLAINS.
145 PM PDT TUE OCT 13 2015 GRADUALLY COOLER THROUGH THE WEEKEND. WITH A CHANCE OF AFTERNOON AND EARLY EVENING SHOWERS AND THUNDERSTORMS AS A LOW PRESSURE SYSTEM MOVES IN FROM THE SOUTHWEST.
320 PM EDT TUE OCT 13 2015 LOW PRESSURE OVER THE GREAT LAKES WILL BRING COOLER AIR WITH LOTS OF CLOUDS THROUGH TONIGHT. COOL DRY HIGH PRESSURE FOR WEDNESDAY.
1143 AM MDT TUE OCT 13 2015 A BROAD RIDGE OF HIGH PRESSURE OVER THE WESTERN US WILL DOMINATE THE WEATHER PATTERN IN THE SHORT TERM. THE RIDGE OF HIGH PRESSURE WILL RESULT IN MOSTLY SUNNY SKIES WITH UNSEASONABLY WARM AFTERNOON HIGH TEMPERATURES ACROSS THE FORECAST AREA. LOW TEMPERATURES WILL BE A FEW DEGREES WARMER THAN THIS MORNING. WITH SUB-FREEZING TEMPERATURES CONFINED TO LOCATIONS WHICH HAVE ALREADY RECEIVED A KILLING FREEZE.
A broken line of thunderstorms persists early this afternoon across SW Georgia and SE Alabama ahead of a cold front. The front will pass overnight with clearing skies and a cooler airmass moving in. By morning, lows will range from the mid 60s in the southeast to the lower 50s in the northern zones.
A COLD FRONT IS EXITING THE REGION THIS EVENING AND GUSTY WINDS WILL DIMINISH DURING THE EVENING. BRINGING IN COOLER. UPPER RIDGING IN THE WEST WITH W-NW FLOW ALOFT OVER THE EASTERN THIRD OF THE NATION.
/ISSUED 335 AM CDT TUE OCT 13 2015/ NORTHWEST FLOW ALOFT WILL PERSIST THE NEXT 24 HOURS AS HIGH PRESSURE SLOWLY DRIFTS SOUTHEASTWARD ACROSS THE REGION.
334 PM EDT TUE OCT 13 2015 A COLD FRONT WILL MOVE SLOWLY EAST FROM THE GREAT LAKES TODAY AND BRING RAIN SHOWERS TO THE NORTH COUNTRY.
PRE-FRONTAL TROF AND ASSOCIATED SHOWER ACTIVITY HAS PUSHED SOUTH OF ALL TERMINALS. LOCAL 88DS SHOW SPOTTY SHOWERS STEADILY INCREASING IN COVERAGE AHEAD OF THE COLD FRONT WHICH CURRENTLY LIES ACROSS THE NRN PORTIONS OF THE FORECAST AREA. WITH LOW-LEVEL DRY AIR EXPECTED TO SCOUR OUT THE LOW CEILINGS CURRENTLY ENVELOPING MUCH OF THE AREA. /ISSUED 353 AM CDT TUE OCT 13 2015/ A COLD FRONT IS ALMOST TO OUR NORTHERN REGION (EAST TEXAS AND CENTRAL LOUISIANA) EARLY THIS MORNING. THE COLD FRONT SHOULD BE THROUGH MOST OF THE REGION BY NOON TODAY. DESPITE SEEING A COLD FRONT PASSAGE TODAY.