Aikyam-Lab/Synoptic-Bench huggingface dataset:
811 PM CDT SAT AUG 22 2015 ANALYSIS AT 2 PM CDT SHOWS A SEASONALLY VERY STRONG AND DIGGING STORM SYSTEM IN THE NORTHERN PLAINS WITH WINDS OF 20 TO 30 MPH WITH GUSTS OF 40 TO 50+ MPH BEHIND THE COLD FRONT INTO CENTRAL NEBRASKA.
/FOR THE 00Z TAFS/ TAFS REPRESENT BEST GUESS AT TIMING OF THE COLD FRONT NOW MOVING SOUTH THROUGH WEST KANSAS. /ISSUED 528 PM CDT SAT AUG 22 2015/ A COLD FRONT CURRENTLY MOVING ACROSS NW KS AND CEN CO WILL MOVE ACROSS THE PANHANDLES OVERNIGHT. THE UPR TROUGH AND ASSOC DYNAMICS DRIVING THE FRONT ARE WELL REMOVED TO THE NE. TEMPS WILL BE NOTICEABLY COOLER BEHIND THE FRONT ON SUN WITH HIGHS ONLY IN THE 70S FOR MUCH OF THE AREA. THE NEXT FRONT PROMISES TO BRING BETTER RAIN CHCS IN THE THU-FRI TIME FRAME AS THE UPR RIDGE BACKS AWAY TO THE WEST AND MORE SUBSTANTIAL S/WV ENERGY ACCOMPANIES THE FROPA.
THE UPPER RIDGE OVER WASHINGTON WILL CONTINUE TO MOVE INLAND BY SUNDAY. 00Z PROGS IN THUS FAR CONTINUE TO DIG THE UPPER TROUGH IN THE GULF OF ALASKA NEAR 140W SOUTH OFFSHORE WITH DEVELOPING SW FLOW ALOFT. MARINE CLOUDS SHOULD ARRIVE ALONG THE COAST FOR COOLER CONDITIONS SUNDAY WHILE INTERIOR HIGH TEMPS WILL BE AT OR A LITTLE ABOVE SATURDAYS READINGS.
A COLD FRONT CURRENTLY LOCATED ACROSS THE NORTHERN PLAINS WILL MOVE SOUTHEAST INTO THE LOWER MISSISSIPPI VALLEY SUNDAY AFTERNOON INTO SUNDAY NIGHT WITH A POTENTIAL FOR ADDITIONAL SHOWERS AND THUNDERSTORMS TO DEVELOP ACROSS THE FORECAST AREA.
A COLD FRONT WILL MOVE ACROSS THE CENTRAL PLAINS OVERNIGHT AND SUNDAY MORNING AND REACH THE RED RIVER AROUND MIDDAY.
HIGH PRESSURE TO OUR WEST AND NORTH WILL CONTINUE TO PRODUCE A NORTH TO NORTHEAST WIND FLOW.
759 PM EDT SAT AUG 22 2015 AVIATION HIGH PRESSURE WILL CONTINUE TO BRING FAIR WEATHER THROUGH TONIGHT. A COLD FRONT WILL BRING SHOWERS AND THUNDERSTORMS SUNDAY. THE APPROACHING COLD FRONT AND UPPER LEVEL SYSTEM WILL CAUSE SHOWERS AND THUNDERSTORMS TO DEVELOP FROM AROUND MIDDAY SUNDAY THROUGH EARLY SUNDAY EVENING.
WITH SOUTH WINDS BECOMING MORE SOUTHEAST IN THE AFTERNOON BEHIND THE SEA-BREEZE AND NO MENTION OF SHRA/TSRA IN TERMINALS AS UPPER RIDGE SUPPRESSES ANY SIGNIFICANT CONVECTION OTHER THAN VERY ISOLATED ACTIVITY. UPPER LEVEL RIDGE WILL SETTLE OVER SOUTH TEXAS WHICH SHOULD LEAD TO DECREASED CHANCES FOR SHOWERS AND STORMS. SIMILAR TEMPERATURES TO TODAY ARE EXPECTED ON SUNDAY WITH HIGHS IN THE LOWER 100S OUT WEST WITH 90S ELSEWHERE.
931 PM EDT SAT AUG 22 2015 HIGH PRESSURE WILL BUILD INTO THE AREA FROM THE NORTH THROUGH SUNDAY NIGHT.
A COLD FRONT ALONG THE WESTERN MINNESOTA BORDER AT 19Z IS FORECAST TO REACH CENTRAL WISCONSIN AROUND 06Z AND MOVE INTO EASTERN WISCONSIN ABOUT 12Z BEFORE EXITING THE STATE SUNDAY MORNING.
748 PM EDT SAT AUG 22 2015 HIGH PRESSURE WILL PREVAIL OVER THE REGION THROUGH SUNDAY.
UPPER LEVEL RIDGE WILL MOVE EAST OF OUR AREA TONIGHT AND TRANSITION TO A SOUTHWEST FLOW ALOFT ON SUNDAY. THIS CHANGE WILL BRING MUCH WARMER TEMPERATURES INTO SE OREGON AND SW IDAHO ON SUNDAY. WITH HIGHS AROUND 10 DEGREES WARMER THAN TODAY.
IT HAS CONTINUED DEVELOPMENT ACROSS WESTERN ALABAMA AND MISSISSIPPI OVERNIGHT TONIGHT AS THE TROUGH MOVES CLOSER.
1022 PM EDT SAT AUG 22 2015 A COLD FRONT WILL REMAIN STALLED JUST OFF THE COAST THIS WEEKEND PROMPTING SCATTERED SHOWERS AND A FEW THUNDERSTORMS WITH THE AIRMASS REMAINING HUMID AND SEASONABLY WARM. THIS UNSETTLED WEATHER WILL CONTINUE THROUGH THE FIRST HALF OF THE COMING WEEK AS ANOTHER COLD FRONT STALLS UPON REACHING THE NORTHEASTERN UNITED STATES. LOW PRESSURE WILL MOVE UP THE EASTERN SEABOARD SUNDAY AND SUNDAY NIGHT. ALTHOUGH THE LOW STAYS WELL OFFSHORE, MODELS SHOW MOISTURE FROM THIS SYSTEM MOVING INTO SOUTHERN NEW HAMPSHIRE AND WESTERN MAINE. CYCLONE PHASE DIAGRAMS SUGGEST A SUBTROPICAL LOW WILL BE SITUATED WELL EAST OF OUR FORECAST AREA.
WATER VAPOR LOOP IN COMBINATION WITH MOST RECENT RUC MODEL INITIALIZATIONS SHOWED A CLOSED LOW AT 500 MB OVER WESTERN NORTH DAKOTA WITH STRONGEST HEIGHT FALLS MOVING ACROSS THE DAKOTAS. SURFACE ANALYSIS EARLY THIS AFTERNOON SHOWED A COUPLE OF TROUGHS AHEAD OF THE MAIN FRONT. ONE OF THESE TROUGHS EXTENDED FROM NORTHWEST IOWA DOWN INTO EASTERN NEBRASKA.
STRENGTHENING HIGH PRESSURE IS PROVIDING DRIER MID LAYER CONDITIONS ACROSS MUCH OF SOUTH TEXAS. MID LEVEL INVERTED TROUGH RESPONSIBILE FOR INFLUX OF MOISTURE AND RAINFALL THE LAST FEW DAYS WILL CONTINUE TO WEAKEN TODAY AND TONIGHT AND BE REPLACED BY HIGH PRESSURE RIDGING AND INCREASING HEIGHTS FOR SUNDAY.
COLD FRONT WILL MAKE ITS WAY SOUTHEAST AND INTO THE MID STATE LATE AFTERNOON/EVENING ON SUNDAY WHILE UNDERGOING FRONTOLYSIS.
WITH SOME STRATUS DEVELOPING ALONG THE LOWER EASTERN SLOPES OF THE SE MTS BY SUNRISE. SUNDAY WILL BE QUITE A BIT COOLER ACROSS THE PLAINS BEHIND THE FRONT.
Temperatures have warmed into the mid/upper 90s with dewpoints holding in the low/mid 60s. Winds could become gusty for a few hours tonight, especially in the higher terrain as the low-level jet sets up. A weak cold front will move south into the Big Country on Sunday. Temperatures are expected to be a few degrees cooler (low/mid 90s) behind this boundary, with highs likely in the mid/upper 90s to the south. Scattered showers and thunderstorms are expected to develop during the afternoon in the vicinity of this cold front. Johnson (Sunday night through Saturday) A weak cold front will be located across the Big Country Sunday evening, then slowly move south.
HIGH PRESSURE WILL PERSIST OVER CENTRAL NC THROUGH SUNDAY WITH DRY AND SLIGHTLY COOLER THAN NORMAL TEMPERATURES. ISOLATED CONVECTION OVER THE FOOTHILLS AND FAR WESTERN PIEDMONT THIS AFTERNOON WILL REMAIN BLOCKED BY STACKED RIDGING ALONG THE ATLANTIC COAST. THE UPPER RIDGING WEAKENS SLOWLY. THE UPPER LEVEL RIDGE TO THE SOUTH BREAKS DOWN SUNDAY AS A SHORT WAVE MOVES EAST ACROSS THE AREA. PERHAPS A DEGREE OR TWO WARMER.
944 PM CDT SAT AUG 22 2015 COLD FRONT IS CURRENTLY PUSHING THROUGH NORTHERN KANSAS AND SHOWERS AND THUNDERSTORMS HAVE INCREASED ALONG AND NORTH OF THE FRONT OVER THE PAST HOUR MUCH AS EXPECTED. SHOWERS AND THUNDERSTORMS WILL ACCOMPANY A COLD FRONT AS IT MAKES ITS WAY SOUTH ACROSS THE AREA LATE TONIGHT AND SUNDAY MORNING. ANOTHER THUNDERSTORM COMPLEX IS EXPECTED TO MOVE INTO NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS TONIGHT ALONG/AHEAD OF APPROACHING COLD FRONT. THUNDERSTORM CHANCES WILL CONTINUE DURING THE DAY SUNDAY AS COLD FRONT PUSHES INTO FAR SOUTHEAST OKLAHOMA SUNDAY EVENING.
THINKING IS THAT AS THE WAVE GETS CLOSER TO THE AREA ALONG WITH THE HIGHER INSTABILITIES AND 20-25KT OF 0-1KM SHEAR. WINDS START TO SHIFT TO THE NW SUNDAY MORNING BEHIND WHAT LOOKS TO BE A PRE-FRONTAL TROUGH OF SOME SORT WHICH COULD USHER IN SOME SLIGHTLY DRIER AIR AHEAD OF THE MAIN FRONT.
THIS EVENING THROUGH SUNDAY NIGHT UPPER TROF AXIS MOVING ACROSS WESTERN SD THIS AFTERNOON WITH SHOWERS NOW EAST OF THE FORECAST AREA. STILL SOME CLOUDS BEHIND TROF OVER NORTHWESTERN SD. COLD FRONT WELL TO THE EAST ALONG SD- MN BORDER WITH STRONG NORTHWEST WINDS ACROSS THE FORECAST AREA. AND NEAR FREEZING IN THE BLACK HILLS. SKIES WILL BE SUNNY ON SUNDAY AS UPPER RIDGE BUILDS OVER THE ROCKIES. TEMPERATURES WILL BE SLIGHTLY WARMER AS THICKNESSES INCREASE.
950 PM EDT SAT AUG 22 2015 HIGH PRESSURE OVER THE EASTERN GREAT LAKES THIS EVENING.
715 PM EDT SAT AUG 22 2015 COOLER AND DRIER WEATHER WILL CONTINUE THROUGH SUNDAY AFTERNOON.
COLD FRONT STEADLY MOVING ACROSS FORECAST AREA. DEEP COLD UPPER LOW WILL CONTINUE TO MOVE EWD ACROSS THE REGION SUNDAY WITH AN UNSEASONABLY COLD AIR MASS WRAPPING AROUND THE WRN SIDE OF THE SYSTEM ACROSS NRN MINN.
BUT UPPER LEVEL HIGH AND RATHER WARM MID LEVEL TEMPERATURES WILL LIKELY DELAY CONVECTION SOME SIMILAR TO TODAY.
THE UPPER LEVEL RIDGE OVER THE PACIFIC NORTHWEST WILL SHIFT TO EASTERN WASHINGTON TONIGHT.
741 PM EDT SAT AUG 22 2015 SYNOPTICALLY WE CONTINUE TO HAVE HIGH PRESSURE CENTERED OFF TO THE NE NEAR THE UPPER MID ATLANTIC REGION. HOWEVER THEY ARE LOSING STEAM AS THEY MOVE NE WITH GENERALLY DRIER AIR IN PLACE AND HIGH PRESSURE NOSING SOUTH. THE SYSTEM WILL GENERALLY BE RATHER MOISTURE STARVED AND INSTABILITY WILL BE LIMITED DUE TO THE NON OPTIMAL TIMING OF THE COLD FRONT WHILE THE BEST FORCING WILL ALSO PASS NORTH OF THE AREA. WITH A WARMER START AND WARM AIR ADVECTION AHEAD OF THE FRONT. TEMPERATURES SHOULD BE A COUPLE DEGREES WARMER THAN TODAY ON AVERAGE.
SEASONAL WARMTH IN THE LOWER TO MIDDLE 90S AND RICH 70 DEW POINTS WILL LINGER ACTIVITY INTO THE EARLY EVENING HOURS. THEN ANOTHER COLD FRONT EARLY IN THE NEW WEEK.
700 PM CDT SAT AUG 22 2015 Robust line of thunderstorms is likely to develop over eastern Nebraska and western Iowa this afternoon and evening along and ahead of a fast-moving cold front. Cold front will be pushing into eastern MO and the Ozarks by sunrise Sunday with high pressure quickly building into the region behind it.
728 PM EDT SAT AUG 22 2015 HIGH PRESSURE IS EXPECTED TO BRING DRY WEATHER AND SEASONAL TEMPERATURES INTO SUNDAY. DEWPOINTS IN THE LOW TO MID 50S.
A WEAK COLD FRONT WILL SLIDE SEWD ACROSS THE AREA WITH WINDS BECOMING N TO NE AT ALL TAF SITES FOLLOWING ITS PASSAGE. A WEAK COLD FRONT WILL SLIDE SEWD ACROSS THE AREA WITH WINDS BECOMING N TO NE AT ALL TAF SITES FOLLOWING ITS PASSAGE.
1005 PM EDT MON MAY 25 2015 AS WARM FRONT SLOWLY LIFTS NORTH INTO CANADA LATER TONIGHT. WARM SECTOR WEATHER ON TUESDAY WITH PARTLY TO MOSTLY SUNNY SKIES ALONG WITH MUCH WARMER TEMPERATURES.
UPDATE: An extensive MCS which originated this afternoon across the southern Plains continues to push eastward into the lower MS Valley this evening.
805 PM EDT MON MAY 25 2015 HIGH PRESSURE OFF THE EAST COAST WILL KEEP A WARM AND INCREASINGLY HUMID AIRFLOW IN PLACE FOR MUCH OF THE UPCOMING WEEK.
1257 AM EDT TUE MAY 26 2015 AS A WARM FRONT SLOWLY LIFTS NORTH INTO CANADA OVERNIGHT. AS WARM FRONT LIFTS SLOWLY NORTH INTO CANADA. WARM SECTOR WEATHER ON TUESDAY WITH PARTLY TO MOSTLY SUNNY SKIES ALONG WITH MUCH WARMER TEMPERATURES.
OTHER PROBLEMS WILL BE THE HIGH RAINFALL RATES. THE HIGH LIKELIHOOD OF 1 TO 2 INCHES. LIGHT TO MODERATE SOUTHERLIES WILL BE MAINTAINED THROUGH THE WEEK AS WITH HIGH PRESSURE RIDGING ACROSS THE SOUTHEAST CONUS AND NEAR COASTAL WATERS.
959 PM CDT MON MAY 25 2015 UPPER LEVEL TROUGH OVER THE AREA WILL SHEAR OFF TO THE NORTHEAST TONIGHT.
AN AREA OF LOW PRESSURE WILL BRING SHOWERS AND SOME THUNDERSTORMS TO THE AREA TUESDAY. HIGHS WILL RANGE FROM THE MID 70S TO THE LOWER 80S.
732 PM EDT MON MAY 25 2015 A STRONG WARM FRONT WILL PUSH THROUGH THE REGION TONIGHT WITH PERIODS OF SHOWERS AND PERHAPS A THUNDERSTORM. WARM FRONT LIES JUST SOUTHWEST OF FORECAST AREA AT THIS TIME. ESPECIALLY THROUGH MIDNIGHT AS WARM FRONT LIFTS NORTHEASTWARD INTO AND ACROSS THE FORECAST AREA OVERNIGHT. WARM SECTOR WEATHER ON TUESDAY WITH PARTLY TO MOSTLY SUNNY SKIES ALONG WITH MUCH WARMER TEMPERATURES.
THE UPPER LEVEL LOW IS NOW SPINNING OVER EASTERN WA WITH T-STORMS REMAINING EAST OF THE CREST TONIGHT. THE UPPER LEVEL LOW WILL SPIN OVER THE WA/ID BORDER THROUGH TUESDAY. THE LOWLANDS WILL BE DRY BUT MOSTLY CLOUDY AS ONSHORE FLOW PERSISTS.
A WEAK COLD FRONT WILL SLIDE SEWD ACROSS THE AREA WITH WINDS BECOMING N TO NE AT ALL TAF SITES FOLLOWING ITS PASSAGE.
ROTATING AROUND THE UPPER LOW OVER EASTERN WASHINGTON. THE UPPER LOW IS NEARLY STATIONARY. THE AIRMASS IN THE VICINITY OF THE LOW REMAINS UNSTABLE AND EXPECT SCATTERED SHOWERS AND THUNDERSTORMS TO DEVELOP TOMORROW AFTERNOON.
TEMPS ARE GENERALLY IN THE LOW 60S NOW AND SHOULD CHANGE LITTLE OVER THE NEXT SEVERAL HOURS.
UPPER LEVEL TROUGH OVER THE AREA WILL SHEAR OFF TO THE NORTHEAST TONIGHT.
754 PM EDT MON MAY 25 2015 A WARM FRONT WILL CROSS THE AREA OVERNIGHT.
924 PM EDT MON MAY 25 2015 HIGH PRESSURE OFF THE EAST COAST OF THE US WILL CONTINUE TO INCREASE MOISTURE LEVELS FROM THE GULF OF MEXICO THROUGH THE MIDDLE OF THE WEEK.
CURRENTLY A WEAK REX BLOCK IS IN PLACE WITH THE RIDGE OVER THE YUKON TERRITORY AND THE LOW ALONG THE BRITISH COLUMBIA AND WASHINGTON STATE BOUNDARY. THE PATTERN WILL BE SIMILAR TUESDAY WITH THE LOW JUST A BIT FARTHER EAST.
EXPECT THE SHOWERS AND STORMS TO CONTINUE TO DISSIPATE THROUGH THE EVENING AS THE AIRMASS STABILIZES AND THE UPPER LEVEL LOW MOVES AWAY FROM THE REGION. A WEAK UPPER RIDGE IS TO MOVE ACROSS. ESPECIALLY IN THE LOWER AND MID LEVELS. ESPECIALLY OVER THE HIGH COUNTRY COMPARED TO THE CURRENT SITUATION. WITH THE HIGHEST IN THE MOUNTAINS AND FOOTHILLS. TUESDAY'S HIGHS LOOK TO BE 3-5 C WARMER THAN TODAY'S HIGHS.
CHATTANOOGA AIRPORT, TN 68 82 67 81 / 60 70 60 50 KNOXVILLE MCGHEE TYSON AIRPORT, TN 65 82 65 80 / 60 70 60 60 OAK RIDGE, TN 65 82 66 80 / 60 70 60 60 TRI CITIES AIRPORT, TN 63 80 63 81 / 30 60 60 70.
737 PM EDT MON MAY 25 2015 AS WARM FRONT SLOWLY LIFTS NORTH INTO CANADA LATER TONIGHT. WARM FRONT STILL SLOW TO PUSH NORTH INTO CANADA THIS EVENING. WARM SECTOR WEATHER ON TUESDAY WITH PARTLY TO MOSTLY SUNNY SKIES ALONG WITH MUCH WARMER TEMPERATURES.
857 PM PDT Mon May 25 2015 Gradually warmer temperatures this week with mainly mountain showers and thunderstorms afternoons and evenings through the middle of the week. High pressure dries things out by late in the week, with high temperatures peaking at 5 to 10 degrees above normal. On Tuesday the low over the Pacific Northwest will move slightly eastward.
856 PM EDT MON MAY 25 2015 THERE IS STILL HIGH CONFIDENCE IN THE FORECAST OF THE MID LEVEL HIGH PRESSURE CENTERED NORTHEAST OF FLORIDA.
WEAKENING UPPER LEVEL LOW PRESSURE OVER NORTHERN NEBRASKA WILL TRY TO BRING ENERGY AND SURFACE BOUNDARY INTO THE FORECAST AREA TONIGHT/EARLY TUESDAY. THE UPPER LOW MEANDERS EAST/NORTHEAST. DO EXPECT LOW CLOUDS TO SETTLE INTO THE AREA FOR AT LEAST PART OF THE DAY TUESDAY BEHIND A WEAK COLD FRONT. THE PLAINS WILL BE SITUATED BETWEEN UPPER LEVEL WAVE TO THE EAST AND AN UPPER LEVEL LOW TO THE WEST. A LOW AMPLITUDE RIDGE WILL SLOWLY SHIFT EAST OVER THE PLAINS THROUGH THE MID TERM. HIGH PRESSURE WILL DEVELOP WHICH SHOULD HINDER OUR CHANCES OF PRECIPITATION.
/ISSUED 306 PM EDT MON MAY 25 2015/ HIGH PRESSURE CONTINUES TO HOLD ON OVER THE WESTERN ATLANTIC THROUGH THE WEEK.
650 PM CDT MON MAY 25 2015 A SOMEWHAT COMPLEX WEATHER PATTERN IS IN PLACE THIS AFTERNOON AS A BROAD SYNOPTIC LEVEL TROUGH HAS SPREAD ITSELF OUT FROM ESSENTIALLY THE ROCKIES TO THE GREAT LAKES. WITHIN THIS TROUGH.
907 PM EDT MON MAY 25 2015 HIGH PRESSURE WILL REMAIN OFFSHORE THIS WEEK.
SHOWER AND THUNDERSTORMS ASSOCIATED WTIH A WEAK COLD FRONT ARE MOVING OFF THE ROCKIES AND SLOWLY WORKING TO THE NORTHEAST. SHOWERS WILL MOVE SOUTHEAST TO NORTHEAST AS A WEAK COLD FRONT PUSHES ACROSS CENTRAL MONTANA.
900 PM EDT MON MAY 25 2015 THE HI PRES RIDGE WHICH HAS DOMINATED THE LCL WX PATTERN FOR THE PAST FEW DAYS HAS MOVED INTO THE W ATLC WHERE IT WILL SLOWLY WEAKEN AND MODIFY. EMBEDDED WITHIN THE LOW LVL E/SE FLOW. BUT WEAK MID LVL VORTICITY AND A CONVERGENT UPR LVL HAVE BEEN CHOKING THEM OFF QUICKLY ONCE THEY MOVE OVER THE COOLER SHELF WATERS. GIVEN THE EXPANSE OF THE LOW LVL MOISTURE AND THE RADAR TREND OVER THE PAST FEW HRS. HI PRES RIDGE WILL WEAKEN SLIGHTLY OVR THE W ATLC OVERNIGHT THAT WILL ALLOW CURRENT CONDITIONS TO HOLD STEADY WITH A GENTLE TO MODERATE E/SE BREEZE PREVAILING.
WEAK MID TO UPPER LEVEL TROUGH FROM NEBRASKA PANHANDLE INTO WEST CENTRAL MINNESOTA. A PERSISTING REX BLOCKING PATTERN.
WHILE THE MOUNTAINS AND DESERTS ENJOY FAIR SKIES AND WARMER CONDITIONS. BETTER CLEARING IS EXPECTED FOR THE LATTER HALF OF THE WEEK AS HIGH PRESSURE BUILDS ALOFT AND THE MARINE LAYER THINS BACK TOWARD THE COAST AND WESTERN VALLEYS. WEAK TROUGHING IS FORECAST FOR THE MID- WEEK PERIOD. FOLLOWED BY RIDGING INTO THE WEEKEND. THE DEPTH OF THE MARINE LAYER AND RIDGING ALOFT LATE IN THE WEEK SHOULD ENSURE SUNNY AND WARM AFTERNOONS INLAND.
MORE HUMID OVERNIGHT WITH MINIMUM TEMPERATURES THE LOWER 70S.
AS A STRONG SFC WAVE LIFTS NE ALONG THE LINGERING COLD FRONTAL BOUNDARY. AND A POTENT S/W TROF MOVES INTO THE REGION. DID LOWER THE HIGHS ACROSS THE SOUTH DUE TO EARLIER ARRIVAL OF THE RAIN.
THE WEATHER PATTERN WILL GRADUALLY SHIFT TO WARMER AND DRIER CONDITIONS TUESDAY THROUGH THE REMAINDER OF THE WEEK. GENERAL TROUGHING WILL REMAIN OVER THE STATE.
THE AMOUNT OF LIFT IN THIS LOW LAYER IS NOT AGREEABLE AMONGST MODEL OUTPUT.
SHOWER AND THUNDERSTORMS ASSOCIATED WTIH A WEAK COLD FRONT ARE MOVING OFF THE ROCKIES AND SLOWLY WORKING TO THE NORTHEAST. THIS WILL DIMINISH DURING THE EVENING BUT A LOW PRESSURE SYSTEM WILL CROSS THE ROCKIES THIS EVENING AND BRING A SHOWERS EAST OF THE ROCKIES.
THE FIRST IS A TRAPPED SFC BOUNDARY ALONG THE HIGHWAY 395 CORRIDOR AND THE SECOND IS A SHORT WAVE DROPPING SOUTHEAST ON THE BACK SIDE OF THE PRIMARY UPPER LEVEL TROUGH THAT MOVED INTO OREGON EARLIER TODAY.
827 PM EDT MON MAY 25 2015 HIGH PRESSURE OFF THE EAST COAST WILL KEEP A WARM AND INCREASINGLY HUMID AIRFLOW IN PLACE FOR MUCH OF THE UPCOMING WEEK.
1044 PM EDT MON MAY 25 2015 HIGH PRESSURE OFF THE EAST COAST WILL KEEP A WARM AND INCREASINGLY HUMID AIRFLOW IN PLACE FOR MUCH OF THE UPCOMING WEEK.
RIP CURRENTS: DATA BUOY OBS INDICATE SWELLS HAVE DECREASED FROM THIS AFTERNOON AND LET THE HIGH RISK EXPIRE THIS EVE.
STILL SEEING A LARGE AREA OF COOLER CLOUD TOPS ASSOCIATED WITH THESE STORMS OVER EASTERN NEVADA. OTHERWISE WILL SEE UTAH BECOME INCREASINGLY UNDER THE INFLUENCE OF THE CLOSED LOW TOMORROW WITH ASSOCIATED INCREASE IN SHOWER ACTIVITY EXPECTED.
1219 AM EDT TUE MAY 26 2015 A WARM FRONT WILL CROSS THE AREA OVERNIGHT.
628 PM CDT MON MAY 25 2015 SLOW MOVING LOW PRESSURE SYSTEM MOVING ACROSS THE STATE TODAY. A COLD FRONT FROM THE LOW IS STRETCHED ALONG THE EASTERN CWA. LOW PRESSURE WILL CONTINUE TO SLOWLY PUSH EAST. THE LOWER LEVELS MAY BE DRYING.
1131 PM CDT MON MAY 25 2015 SLOW MOVING LOW PRESSURE SYSTEM MOVING ACROSS THE STATE TODAY. A COLD FRONT FROM THE LOW IS STRETCHED ALONG THE EASTERN CWA. LOW PRESSURE WILL CONTINUE TO SLOWLY PUSH EAST. THE LOWER LEVELS MAY BE DRYING.
STRONG ONSHORE FLOW CONTINUES ACROSS THE AREA THIS EVENING FROM A TROUGH OVER THE PACIFIC NORTHWEST AND ANOTHER UPSTREAM TROUGH NEAR 30N AND 135W.
HIGH PRESSURE INFLUENCES SFC/ALOFT WILL PROVIDE FOR VFR/SKC CONDITIONS THRU 06/12Z.
CLEAR SKIES, NEAR CALM WINDS, AND A DRY AIRMASS HAS LEAD TEMPS TO FALL TO OR BELOW FREEZING FOR MOST LOCATIONS AWAY FROM THE IMMEDIATE COAST AND LOWER ACADIANA. AS THE RIDGE MOVES AWAY WINDS WILL BECOME EAST THEN SE THROUGH THE DAY SOMEWHAT INCREASING MOISTURE DURING THE NIGHT.
BY SUN AN UPPER TROUGH OVER THE NORTHERN PLAINS WILL INTENSIFY. BY 12Z MON AN UPPER LEVEL RIDGE WILL BUILD OVER WESTERN NORTH AMERICA AND AN AMPLIFIED UPPER TROUGH WILL BE CENTERED OVER WI/IL AREA. WATER VAPOR LOOP INDICATED AN UPPER LEVEL TROUGH OVER THE WESTERN DAKOTAS. TROUGH WILL MOVE ACROSS THE FORECAST AREA TODAY AND PRODUCE LIGHT SNOW IN THE SOUTHERN RED RIVER VALLEY. PRECIPITABLE WATER RISES A BIT TODAY WITH SHORT WAVE TROUGH MOVING THROUGH. PRECIPITABLE WATER RISES AGAIN SAT WITH WARM FRONT MOVING IN. COOLER AIR MOVES INTO THE AREA ON SUN.
1056 AM EST FRI FEB 5 2016 HIGH PRESSURE WILL BUILD IN LATER TODAY AND OVERNIGHT. TEMPERATURES SHOULD REMAIN ABOVE FREEZING SO ACCUMULATIONS IF THERE ARE ANY WILL PROBABLY BE CONFINED TO GRASSY SURFACES. HIGHS WILL BE A LITTLE WARMER THAN NORMAL FOR THE TIME OF YEAR. WITH A VIGOROUS UPPER LOW FORECAST TO DROP STEEPLY SE OUT OF THE NORTHERN PLAINS AND INTO OHIO VALLEY. FAVORING THE HIGHER WESTERN AND NORTHERN AREAS. THE SEEMINGLY MOST CERTAIN PART OF THE FORECAST IS THAT THE UPPER TROUGH IS EXPECTED TO BE SLOW MOVING OVER THE EASTERN US.
WATER VAPOR SATELLITE TRENDS THIS MORNING PLACE AN UPPER LEVEL TROUGH FROM THE GREAT LAKES REGION SOUTH INTO THE GULF OF MEXICO. HIGHS THIS AFTERNOON WILL BE IN THE LOWER 50S AT MANY LOCATIONS. AN UPPER LEVEL TROUGH IN THE ROCKIES WILL GRADUALLY SHIFT INTO THE LOWER MISSISSIPPI VALLEY BY SATURDAY. AN UPPER LEVEL LOW AT THE BASE OF THE UPPER LEVEL TROUGH IS EXPECTED TO PASS TO THE WEST AND SOUTH OF THE FORECAST AREA.
WHICH ON SATURDAY MORNING WILL BE NEAR FREEZING IN NORTHEAST ZONES.
WINDY AND MUCH COOLER TODAY. COOLER/UNSETTLED THROUGH THE WEEKEND THEN TURNING EVEN COOLER. MUCH COOLER TEMPERATURES HAVE MOVED DOWN INTO E CENTRAL FL BEHIND THE SFC COLD FRONT CURRENTLY MOVING THROUGH THE NW BAHAMAS THIS MORNING. HIGHS WILL STRUGGLE TO REACH THE UPPER 50S ACROSS FAR NRN LAKE AND VOLUSIA COUNTIES AND IN THE LOWER TO MID 60S FROM OSCEOLA AND SRN BREVARD COUNTIES DOWN TO OKEECHOBEE AND MARTIN COUNTIES.
1011 AM EST FRI FEB 5 2016 EARLY VISIBLE SATELLITE PHOTOGRAPHS SHOW SKIES VARY FROM MOSTLY SUNNY IN THE LOWER AND MIDDLE KEYS TO MOSTLY CLOUDY IN THE UPPER KEYS. TEMPERATURES ARE HOLDING IN THE LOWER TO MID 60S IN THE FLORIDA KEYS. THE COLD FRONT WHICH BLASTED THROUGH THE ISLAND CHAIN OVERNIGHT IS NOW DRAPED ACROSS ANDROS ISLAND TO THE NORTH COAST OF CENTRAL CUBA. IN WAKE OF THE COLD FRONT. MUCH COOLER.
628 AM EST FRI FEB 5 2016 A CYCLONE MOVING UP THE ATLANTIC COAST WILL SPREAD LIGHT SNOW ACROSS PORTIONS OF NORTHEAST PENNSYLVANIA AND SULLIVAN COUNTY NEW YORK EARLY TODAY.
A COLD FRONT WILL MOVE THROUGH THE TERMINALS LATER TODAY. THESE HIGH CLOUDS WILL SHIFT TO THE EAST LATER THIS MORNING AS ADDITIONAL JET ENERGY CURRENT DIVING SOUTHWARD ACROSS THE UPPER COLORADO RIVER VALLEY ACTS TO SHARPEN A MORE PRONOUNCED UPPER TROUGH THAT WILL TRANSLATE ACROSS THE SOUTHERN HIGH PLAINS THIS EVENING. THE PRIMARY IMPACT WITH THIS DISTURBANCE WILL BE AN ACCOMPANYING COLD FRONT THAT WILL SWEEP THROUGH THE FA TODAY.
1022 AM EST FRI FEB 5 2016 LOW PRESSURE WILL LIFT TO THE NORTHEAST TODAY AS HIGH PRESSURE BUILDS OVER THE REGION THROUGH SATURDAY.
643 AM EST FRI FEB 5 2016 A WEAK WAVE OF LOW PRESSURE WILL MOVE UP AND JUST OFF THE EAST COAST EARLY TODAY. BEFORE HIGH PRESSURE BUILDS IN ITS WAKE AND BRINGS FAIR AND DRY WEATHER FOR THE WEEKEND. TEMPERATURES SHOULD REMAIN ABOVE FREEZING SO ACCUMULATIONS IF THERE ARE ANY WILL PROBABLY BE CONFINED TO GRASSY SURFACES. HIGHS WILL BE A LITTLE WARMER THAN NORMAL FOR THE TIME OF YEAR. WITH A VIGOROUS UPPER LOW FORECAST TO DROP STEEPLY SE OUT OF THE NORTHERN PLAINS AND INTO OHIO VALLEY. FAVORING THE HIGHER WESTERN AND NORTHERN AREAS. THE SEEMINGLY MOST CERTAIN PART OF THE FORECAST IS THAT THE UPPER TROUGH IS EXPECTED TO BE SLOW MOVING OVER THE EASTERN US. AS A WAVE OF LOW PRESSURE FORMS ON THE COLD FRONT AND TRACKS NE.
A weak wave of energy will move through the building ridge this morning and afternoon producing mainly light mountain snow. Once the cold front pushes through Saturday afternoon, snow levels will lower to valley floors in western Montana, and down to the valleys of central Idaho, that are above 4000 feet. The mountains of western Montana will see these winds by the afternoon, with gusts approaching 50 mph at the higher elevations.
DRY CONDITIONS ARE EXPECTED AS SHORT WAVE RIDGING FOLLOWS TONIGHT AND SATURDAY.
1022 AM EST FRI FEB 5 2016 HIGH PRESSURE WILL PROVIDE FOR DRY CONDITIONS AND SEASONABLE TEMPERATURES TODAY. A COLD FRONT WILL BRING COOLER TEMPERATURES AS WE HEAD INTO THE UPCOMING WORK WEEK ALONG WITH A CHANCE OF SHOWERS. H5 RIDGING WILL MOVE EAST ACROSS THE FA THIS AFTERNOON. A MID LEVEL TROUGH AXIS WITH SOME WEAK EMBEDDED SHORT WAVE ENERGY WILL PUSH EAST ACROSS THE REGION LATER TONIGHT THROUGH SATURDAY NIGHT.
615 AM EST FRI FEB 5 2016 LOW PRESSURE WILL TRACK QUICKLY NORTHEAST ALONG A STATIONARY FRONT TODAY. A RIDGE OF HIGH PRESSURE FOLLOWS FOR TONIGHT INTO SATURDAY.
41 LATEST REGIONAL SURFACE ANALYSIS SHOWS A DUAL CORE LOW PRESSURE SYSTEM OFF THE CAROLINA COAST WHICH IS WORKING IN TANDEM WITH 1030 MB HIGH OVER THE LOWER MISSISSIPPI VALLEY TO PRODUCE QUITE THE GRADIENT LOCALLY. COLD ADVECTION PATTERN IN FULL FORCE WITH TEMPS FALLING TO AROUND FREEZING FOR THE EXTREME NORTHERN SECTIONS AND DEWPOINTS MORE IMPRESSIVE WITH TEENS COMMON. POSITION OF THE HIGH BY TONIGHT POINTS TO A COLD NIGHT WITH EXCELLENT RADIATIONAL COOLING CONDITIONS ALTHOUGH HIGH CLOUDS WILL BE ON THE INCREASE. WENT ON THE LOW SIDE OF GUIDANCE WITH LOWER 20S FOR THE MOUNTAINS AND MID TO UPPER 20S ELSEWHERE. UPPER TROUGH DEVELOPS.
503 AM CST FRI FEB 5 2016 A COLD FRONT MOVING THROUGH THE DHT AND GUY TAF SITES NOW WILL MOVE THROUGH THE AMA TAF SITE AROUND MID MORNING. /ISSUED 320 AM CST FRI FEB 5 2016/ AN UPPER TROUGH WILL MOVE ACROSS THE PANHANDLES TODAY USHERING IN A COLD FRONT BY THIS AFTERNOON.
COLD FRONT WASHING OUT ACROSS OUR EASTERN ZONES. DEEP LOW PRESSURE SYSTEM CURRENTLY OFF THE COAST OF WASHINGTON STATE CONTINUES TO MOVE EASTWARD. UPPER LOW TRACKS INTO EASTERN MONTANA AND WINDS SHOULD BEGIN EASING FOR SOUTHEAST WYOMING.