Aikyam-Lab/Synoptic-Bench huggingface dataset:
422 AM CDT WED OCT 7 2015 LATEST UPPER AIR ANALYSIS/WATER VAPOR SATELLITE IMAGERY SHOWED A VIGOROUS UPPER LOW OVER THE DESERT SOUTHWEST WITH DOWNSTREAM RIDGING OVER THE NW GULF COAST REGION. WITH BROAD HIGH PRESSURE PREVAILING OVER MUCH OF THE CENTRAL/EASTERN CONUS. DRY AND WARM WEATHER TO PERSIST OVER THE NEXT COUPLE OF DAYS AMID THE RIDGING ALOFT. WITH THE UPPER LOW OUT WEST PROGGED TO SINK SOUTHWARD INTO NORTHERN MEXICO. THE LOW IS FCST TO RETROGRADE WWD ON FRI. COOLER AND DRIER AIR SPILLS IN BEHIND THE FRONT FOR THE WEEKEND. 13 LIGHT WINDS AND LOW SEAS CAN BE EXPECTED INTO THE WEEKEND AS WEAK HIGH PRESSURE PREVAILS OVER THE AREA.
Stacked high pressure to our west-northwest will be pushing into the area today, which will continue to clear our low stratus clouds out of the area and bring on drier conditions. With clearer skies during the day, temperatures will actually be a little warmer than they have been the past few days, warming to the low to mid 80s.
1031 PM PDT TUE OCT 6 2015 A ridge of high pressure will weaken tonight with light rain spreading east across the region Wednesday. Light rain with amounts around a tenth of an inch is expected for the Columbia Basin, Spokane/Coeur D'Alene area, with lighter amounts up near the Canadian border as the warm front lifts north. JW 06z TAFS: Expect thicking mid and high clouds tonight as a warm front approaches. Areas of light rain will increase on Wednesday as the warm front tracks across the region.
1247 AM CDT WED OCT 7 2015 FOR 06Z TAFS /ISSUED 911 PM CDT TUE OCT 6 2015/ QUIET AND WARM WEATHER CONDITIONS PREVAIL ACROSS THE TN VALLEY TONIGHT UNDERNEATH THE EASTERN FLANK OF A BUILDING RIDGE AXIS CENTERED OVER THE SOUTHERN PLAINS. FURTHERMORE, DUE TO WARMER TEMPERATURES TODAY, A SLOWER COOLING TREND IS ANTICIPATED, AND HAVE RAISED OVERNIGHT LOWS A COUPLE OF DEGREES WHILE MAINTAINING THE WARMER TEMPS OVER NW AL/COOLER TEMPS OVER NE AL TREND. OF THE TAF SITES, FOG HAS THE HIGHEST POTENTIAL OF OCCURRING AT KMSL AND HAVE INCLUDED MVFR CONDITIONS THERE.
253 AM MDT WED OCT 7 2015 AS THE UPPER LOW OVER AZ DRIFTS SE OVER THE NEXT COUPLE OF DAYS. LITTLE CHANGE TO FORECAST THINKING AS THE LOW DROPS SOUTHWARD INTO MEXICO.
440 AM EDT WED OCT 7 2015 HIGH PRESSURE WILL BUILD INTO THE MID-ATLANTIC REGION TODAY.
310 AM EDT WED OCT 7 2015 HIGH PRESSURE CENTERED ALONG THE APPALACHIANS THIS MORNING WILL BUILD OVERHEAD THROUGH TONIGHT AND TO THE COAST BY THURSDAY EVENING.
310 AM EDT WED OCT 7 2015 A WEAK COLD FRONT MOVES ACROSS THE REGION LATER TODAY WITH A FEW SPRINKLES POSSIBLE.
339 AM CDT WED OCT 7 2015 SUNNY AND SEASONABLE EARLY TODAY BEFORE INCREASING CLOUDS LATE AND RAIN THIS EVENING/OVERNIGHT AS A LOW PRESSURE SYSTEM MOVES ACROSS THE UPPER MIDWEST. TOMORROW CLOUDS/FOG AND OCCASIONAL WRAP-AROUND SHOWERS WILL BE POSSIBLE AS THE LOW MOVES EAST OUT OF THE REGION. AHEAD OF THIS LOW WARM/MOIST ADVECTION AT LOW/MID LEVELS WILL RESULT IN INCREASED CLOUDINESS. /PREVIOUS RUNS HAD THE LOW FURTHER SOUTH MOVING ACROSS CENTRAL MN/NORTHERN WI. / FOR THURSDAY AS THE LOW DEPARTS TO THE EAST EXPECT SOME PATCHY FOG/MIST AND WRAP-AROUND SHOWERS DURING THE DAY WITH TEMPS IN THE LOW/MID 50S IN NORTHEAST MINNESOTA. WARMER INTO THE LOW 60S IN NORTHWEST WISCONSIN. WITH ONLY MINOR S/W TROFS TRANSITING THE AREA EVERY 36-48 HOURS.
AHEAD OF THIS IS A WEAK UPPER LEVEL DISTURBANCE DRAGGING A WEAK COLD FRONT THROUGH THE AREA TODAY AND INTO TONIGHT. THIS WILL ALSO LESSEN THE RIDGE TO VALLEY TEMPERATURE DIFFERENCES OVER THESE LOCATIONS. SOUTHWESTERLY FLOW WILL INCREASE AHEAD OF A APPROACHING COLD FRONT. TEMPERATURES IN FACT WILL BE WELL ABOVE NORMAL WITH HIGHS REACHING THE LOWER 80S. AND A COLD FRONT AND AMPLIFYING UPPER TROUGH WILL BE APPROACHING FROM THE NORTHWEST.
DECREASING MOISTURE AND CLOUDINESS IS ANTICIPATED TO START TODAY AS A LOW PRESSURE SYSTEM BEGINS MOVING EAST OF THE AREA. WITH BETTER CHANCES OVER THE HIGHER TERRAIN EAST OF PHOENIX.
258 AM EDT WED OCT 7 2015 A WEAK COLD FRONT MOVES ACROSS THE REGION LATER TODAY WITH A FEW SPRINKLES POSSIBLE.
330 AM PDT WED OCT 7 2015 High pressure dominates the region this week with temperatures returning to above average. Dry and mild weather into mid-week with a gradual warming trend as high pressure builds over the area.
HIGH PRESSURE ALOFT WILL BUILD INTO THE AREA TODAY AND REMAIN IN PLACE THROUGH THE LATTER PORTION OF THE WEEK.
249 AM CDT WED OCT 7 2015 THE UPPER LEVEL RIDGE THAT HAS BEEN IN PLACE ACROSS THE REGION THE LAST SEVERAL DAYS WILL HOLD ON ONE MORE DAY AND RESULT IN HOT AND RAIN-FREE WEATHER.
653 AM EDT WED OCT 7 2015 HIGH PRESSURE CENTERED ALONG THE APPALACHIANS THIS MORNING WILL BUILD OVERHEAD THROUGH TONIGHT AND TO THE COAST BY THURSDAY EVENING.
332 AM CDT WED OCT 7 2015 A HIGH PRESSURE RIDGE EXTENDS OUT OF EASTERN NORTH DAKOTA AND ACROSS OUR EASTERN CWA THIS MORNING. AHEAD OF AN APPROACHING LOW PRESSURE SYSTEM. THE FORECAST CHALLENGES IN THE SHORT TERM REVOLVE AROUND THIS LOW PRESSURE SYSTEM. CONDITIONS DRY OUT QUICKLY AS HIGH PRESSURE PUSHES IN THURSDAY.
304 AM EDT WED OCT 7 2015 A WEAK COLD FRONT WILL MOVE SOUTH OUT OF CANADA ON TODAY AND WILL MOVE OFFSHORE TONIGHT. HIGH PRESSURE BUILDS IN FOR THURSDAY.
641 AM EDT WED OCT 7 2015 HIGH PRESSURE IN THE UPPER MIDWEST WILL MOVE EAST AND CROSS THE OHIO VALLEY TONIGHT.
341 AM CDT WED OCT 7 2015 Upper low bringing potential for thunderstorms with heavy rain over an extended number of periods to W TX and SE NM. Looking on IR the upper low can be seen over AZ early this morning with quite a bit of thunderstorms ahead of it in NM and far W TX. The latest model runs seem to be in pretty good agreement and are tending to take the low from AZ southward into Mexico. 24 hrs ago they tended to bring the low eastward to the edge of TX. That track of the low could limit the heavy rain potential for the eastern part of the watch.
449 AM EDT WED OCT 7 2015 CURRENTLY - A WEAKENING LOW LEVEL TROUGH EXTENDS ACROSS THE FLORIDA PENINSULA. IN ASSOCIATION WITH THE LOW LEVEL TROUGH IS PROVIDING ENOUGH SUPPORT FOR ISOLATED TO SCATTERED SHOWERS. DEW POINTS REMAIN IN THE LOW TO MID 70S. LOWER LEVEL RIDGING WILL BUILD NORTHWARD OUT OF THE WESTERN CARIBBEAN INTO CUBA. GUIDANCE ARE INDICATED A MID LATITUDE TROUGH WILL DIG INTO THE EASTERN UNITED STATES THIS WEEKEND WITH THE TAIL END PINCHING OFF INTO A CLOSED LOW. A WEAK TROUGH ACROSS SOUTH FLORIDA WILL DISSIP0ATE OVER THE NEXT 24 HOURS.
216 AM CDT WED OCT 7 2015 UPPER LEVEL LOW ACROSS ARIZONA IS PROGGED TO SINK DOWN INTO WESTERN CHIHUAHUA OVER THE NEXT 24 HOURS /AND WONT STOP THERE/ WHICH WILL LIMIT THE POTENTIAL FOR RAINFALL TO SOME EXTENT. THIS IS FURTHER PROVED BY THE WEATHER PREDICTION CENTER /WPC/ SLOWLY SHIFTING THE HIGHEST RAINFALL SOUTH AND WEST TO ACROSS THE PERMIAN BASIN SOUTH TO ACROSS THE EDWARDS PLATEAU.
MODELS CONTINUING WITH THE PROSPECT OF LOW POPS THUR/FRI AS THE SWLY FLOW ALOFT HELPS TO DRAG WEAK DISTURBANCES ACROSS THE AREA AROUND THE UPPER LOW MOVING THRU SRN AZ. THE PASSAGE OF A COLD FRONT FRI NIGHT WILL SHUT POPS DOWN BY SAT MORNING.
300 AM PDT WED OCT 7 2015 A BUILDING RIDGE OF HIGH PRESSURE WILL BRING A WARMING TREND THROUGH THE END OF THE WEEK.
533 AM EDT WED OCT 7 2015 HIGH PRESSURE IN THE UPPER MIDWEST WILL MOVE EAST AND CROSS THE OHIO VALLEY TONIGHT.
141 AM EDT WED OCT 7 2015 A WEAK COLD FRONT WILL MOVE ACROSS THE NORTH COUNTRY WEDNESDAY.
320 AM EDT WED OCT 7 2015 DRY CANADIAN HIGH PRESSURE WILL PERSIST ACROSS THE REGION INTO THURSDAY.
653 AM EDT WED OCT 7 2015 DRY CANADIAN HIGH PRESSURE WILL PERSIST ACROSS THE REGION INTO THURSDAY.
443 AM EDT WED OCT 7 2015 HIGH PRESSURE WILL DOMINATE THE WEATHER PATTERN THROUGH THURSDAY WITH MAINLY DRY CONDITIONS AND TEMPERATURES AVERAGING NEAR TO ABOVE NORMAL.
234 AM PDT WED OCT 7 2015 HIGH PRESSURE ALOFT WILL BUILD THE REST OF THIS WEEK AND BRING A WARMING TREND AND FAIR WEATHER.
Weak high pressure over the Midwest at the surface will remain in place through tonight.
209 AM EDT WED OCT 7 2015 CANADIAN HIGH PRESSURE BUILDS OVER THE REGION THROUGH THURSDAY.
SURFACE RIDGING AND DRY NORTHWEST FLOW WILL PRODUCE ANOTHER DRY AND WARM DAY. MOSTLY CLEAR WITH PATCHY FOG AGAIN POSSIBLE WITH MAIN FEATURE REMAINING SURFACE RIDGING.
114 AM EDT WED OCT 7 2015 A WEAK COLD FRONT WILL MOVE ACROSS THE NORTH COUNTRY WEDNESDAY.
309 AM EDT WED OCT 7 2015 A WEAK LOW PRESSURE TROUGH IS BRINGING CLOUDS ACROSS THE AREA. BUT IN GENERAL CONDITIONS WILL BE DRY THIS WEEK AS HIGH PRESSURE CONTROLS OUR WEATHER.
215 AM EDT WED OCT 7 2015 HIGH PRESSURE WILL CONTINUE TO EXTEND ACROSS THE REGION THROUGH WEDNESDAY NIGHT AND THEN MOVE OFF TO THE EAST THURSDAY.
215 AM PDT WED OCT 7 2015 HIGH PRESSURE OVER THE REGION WILL LEAD TO WARM AND DRY CONDITIONS THE REST OF THE WEEK.
OVERNIGHT LOWS SHOULD PROGRESSIVELY GET WARMER AS WARMER LOW LEVEL TEMPERATURES AND CLOUD COVER SHOULD RESULT IN LOWS IN THE MID TO UPPER 60S. UPPER RIDGING WILL CONTINUE OVER THE REGION ON THURSDAY BUT SOME FLATTENING OF THE RIDGE WILL BEGIN TO OCCUR IN RESPONSE TO A SOUTHWARD DIGGING TROUGH ACROSS NORTHERN CANADA.
444 AM EDT WED OCT 7 2015 LOW PRESSURE WELL OFF THE MID ATLANTIC COAST MOVES FARTHER OUT TO SEA TODAY. THE CENTER OF HIGH PRESSURE WILL BUILD ACROSS THE GREAT LAKES AND NEW ENGLAND THROUGH THURSDAY.
A WEAK COLD FRONT WILL HAVE EXITED FAR SOUTHERN WISCONSIN BEFORE SUNRISE THIS MORNING. HIGH PRESSURE BUILDS IN.
215 AM EDT WED OCT 7 2015 HIGH PRESSURE CENTERED ALONG THE APPALACHIANS THIS MORNING WILL BUILD OVERHEAD THROUGH TONIGHT AND TO THE COAST BY THURSDAY EVENING.
HIGH PRESSURE STILL IN CONTROL WITH LIGHT WINDS OVERNIGHT BECOMING SOUTHEASTERLY ON WEDNESDAY.
451 AM EDT WED OCT 7 2015 LOW PRESSURE WELL OFF THE MID ATLANTIC COAST MOVES FARTHER OUT TO SEA TODAY. THE CENTER OF HIGH PRESSURE WILL BUILD ACROSS THE GREAT LAKES AND NEW ENGLAND THROUGH THURSDAY.
437 AM CDT WED OCT 7 2015 UPPER LEVEL LOW SPINNING OVER ARIZONA THIS MORNING AND SLOWING DOWN ITS EASTWARD PROGRESSION. UPPER LEVEL LOW WILL CONTINUE DIGGING SOUTHWARD INTO MEXICO AND HEIGHTS WILL FALL OVER THE PANHANDLES. THE UPPER LEVEL LOW WILL DRIFT FURTHER INTO MEXICO AND HEIGHTS WILL RISE ACROSS THE OKLAHOMA AND NORTHERN TEXAS PANHANDLE. AS THE UPPER LEVEL LOW DEPARTS FURTHER SOUTH.
134 AM EDT WED OCT 7 2015 A WEAK LOW PRESSURE TROUGH IS BRINGING CLOUDS ACROSS THE AREA. BUT IN GENERAL CONDITIONS WILL BE DRY THIS WEEK AS HIGH PRESSURE CONTROLS OUR WEATHER.
431 AM EDT WED OCT 7 2015 HIGH PRESSURE IN THE UPPER MIDWEST WILL MOVE EAST AND CROSS THE OHIO VALLEY TONIGHT.
543 AM EDT WED OCT 7 2015 HIGH PRESSURE WILL DOMINATE THE WEATHER PATTERN THROUGH THURSDAY WITH MAINLY DRY CONDITIONS AND TEMPERATURES AVERAGING NEAR TO ABOVE NORMAL.
656 AM EDT WED OCT 7 2015 LOW PRESSURE WELL OFF THE MID ATLANTIC COAST MOVES FARTHER OUT TO SEA TODAY. THE CENTER OF HIGH PRESSURE WILL BUILD ACROSS THE GREAT LAKES AND NEW ENGLAND THROUGH THURSDAY.
400 AM EDT WED OCT 7 2015 HIGH PRESSURE CENTERED ALONG THE APPALACHIANS THIS MORNING WILL BUILD OVERHEAD THROUGH TONIGHT AND TO THE COAST BY THURSDAY EVENING.
1124 PM MDT TUE OCT 6 2015 WITH SOME MID-LEVEL DRYING AND WARMER AFTERNOON TEMPERATURES. MODELS INDICATED THE LOW PRESSURE CENTER RESPONSIBLE FOR OUR RECENT UNSETTLED WEATHER WILL WOBBLE IN THE VICINITY OF THE AZ- NM-MEXICO TRIPLE POINT WEDNESDAY. ALL OF THE OPERATIONAL SOLUTIONS TAKE THE LOW AND ITS MOISTURE SOUTHWARD INTO MEXICO THURSDAY.
DRY WEATHER CONDITIONS WILL PERSIST ALONG WITH A GRADUAL WARMING TREND THROUGH LATE WEEK AS HIGH PRESSURE BUILDS OVER THE CALIFORNIA COAST.
WITH RIDGING IN PLACE EXPECT STABLE AND MILD CONDITIONS. WITH RIDGING IN PLACE EXPECTING A WARMING TREND COMPLETE WITH WIDESPREAD SUBSIDENCE.
AHEAD OF THIS IS A WEAK UPPER LEVEL DISTURBANCE DRAGGING A WEAK COLD FRONT THROUGH THE AREA TODAY AND INTO TONIGHT. THIS WILL ALSO LESSEN THE RIDGE TO VALLEY TEMPERATURE DIFFERENCES OVER THESE LOCATIONS. SOUTHWESTERLY FLOW WILL INCREASE AHEAD OF A APPROACHING COLD FRONT. TEMPERATURES IN FACT WILL BE WELL ABOVE NORMAL WITH HIGHS REACHING THE LOWER 80S.
THE UPPER LOW THAT BROUGHT ALL THE WET WEATHER TO THE AREA HAS FINALLY PUSHED EAST AS HIGH PRESSURE BUILDS INTO THE REGION.
1151 PM MDT TUE OCT 6 2015 UPDATED AVIATION SECTION BROAD AND WEAK UPPER LEVEL RIDGE IS OVER THE REGION WITH AN EMBEDDED DISTURBANCE MOVING ACROSS MONTANA OVERNIGHT. A DRY WESTERLY FLOW ALOFT PERSISTS OVER THE REGION WITH A WEAK UPPER LEVEL RIDGE OVER THE NORTHERN ROCKIES AND MT. WEAK UPPER LEVEL RIDGING DEVELOPS FOR DRIER CONDITIONS.
316 AM CDT WED OCT 7 2015 TROF REMAINS OVER THE ERN CONUS. AND AN APPROACHING CLOSED LOW OVER AZ HAS OUR REGION UNDER THE UPPER LEVEL RIDGE. THE UPPER LOW OVER AZ IS STEADILY PUMPING PACIFIC MOISTURE INTO W TX.
240 PM MST FRI AUG 21 2015 THUNDERSTORMS WILL BE MOST COMMON IN THE HIGHER TERRAIN OF SOUTHERN AND EASTERN ARIZONA THROUGH THE WEEKEND.
A WARM FRONT JUST SOUTH OF THE I20 CORRIDOR WILL CONTINUE TO LIFT BACK TO THE NORTH THIS AFTERNOON.
343 PM EDT FRI AUG 21 2015 A VERY SLOW MOVING COLD FRONT WILL MOVE THROUGH THE REGION TODAY AND TONIGHT.
NEAR THE EDGE OF THE WEAK WARM FRONT IN NORTH CENTRAL OK. THUNDERSTORM CHANCES WILL INCREASE AFTER 22/00Z ACROSS FAR WRN OK/WRN N TX AS ANOTHER MID- LEVEL TROUGH MOVES INTO THE REGION.
TSRA AND LIGHTNING IN NWRN IA ON THE NOSE OF THE LOW-LEVEL JET PER 88D VWPS AND RAP ANALYSIS. SHORT TERM GUIDANCE SUPPORTS EVOLVING THE FRONTOGENESIS AND THE LOW-LEVEL JET NOSE CONVERGENCE NORTHEAST THROUGH THE FIRST PORTION OF TODAY INTO NRN WI BY AFTERNOON. HAVE KEPT THE HIGHER PROBABILITY DRY FORECAST. PRESSURE GRADIENT TIGHTENS AHEAD OF AN APPROACHING COLD FRONT SATURDAY AND EXPECT WINDS TO INCREASE AFTER 12Z AT BOTH RST/LSE TAF SITES.
HIGHS WILL LIKELY RANGE FROM THE LOW 80S IN THE FAR NORTH TO THE LOW 90S IN THE SOUTH.
257 PM CDT FRI AUG 21 2015 THE 19Z SURFACE ANALYSIS INDICATED THAT THE COLD FRONT WAS NOW GENERALLY THROUGH THE FORECAST AREA.
WITH LOWS DIPPING INTO THE MID 50S AT NIGHT AND HIGHS ON SATURDAY REACHING THE LOW 80S.
303 PM EDT FRI AUG 21 2015 HIGH PRESSURE OVER THE OHIO VALLEY WILL BUILD EAST INTO PENNSYLVANIA TODAY AND REMAIN OVER THE REGION THROUGH THE UPCOMING WEEKEND.
254 PM CDT FRI AUG 21 2015 FAIR WEATHER EXPECTED TONIGHT THANKS TO 1021 MB HIGH PRESSURE OVER IN/KY/OH BORDER THAT MOVES INTO THE EASTERN GREAT LAKES BY MIDDAY SAT. LOWS OVERNIGHT OF 55- 60F WITH COOLEST READINGS IN EASTERN IL CLOSER TO HIGH PRESSURE RIDGE AND WHERE WINDS WILL BE LIGHTEST.
DEEP LAYERED HIGH PRESSURE PROVIDING A LIGHT FLOW DOMINATED BY THE SEA BREEZE THIS AFTERNOON. THE HIGH IS PROVIDING A BIT OF A NORTHERLY TO NORTHEASTERLY STORM FLOW WHICH SHOULD PUSH REMNANT CONVECTION TOWARDS SOUTHWEST FLORIDA LATER THIS EVENING. TEMPERATURES AT 500 MB ARE A WARMER -6 DEG C. COULD ALSO SEE A WARMER DAY WITH HEAT INDEX VALUES REACHING ABOVE 100 BEFORE THE STORMS MOVE IN. A RIDGE WILL BE SHIFTING WEST AND RIDGING BACK OVER THE STATE THROUGH THE WEEKEND.
THE UPPER HIGH WILL BE SHIFT OVER CENTRAL NEW MEXICO ON SATURDAY WITH THE STEERING FLOW BECOMING MORE SOUTHEASTERLY TO EASTERLY BY TOMORROW EVENING.
207 PM EDT FRI AUG 21 2015 HIGH PRESSURE WITH DRIER AIR INTO THE WEEKEND.
DRIER AND LESS HUMID AIR WILL FILTER INTO CENTRAL NC FOR THE WEEKEND AS HIGH PRESSURE BUILDS INTO THE AREA. A WEAK DISTURBANCE MOVING ACROSS THE NORTHERN TIER OF THE GULF STATES WILL BE BLOCKED AND RESULTING ACTIVITY LIMITED BY A SHORT WAVE RIDGE OVER THE SOUTHEAST COAST. HIGH PRESSURE OVER THE GREAT LAKES STATES WILL SOUTH INTO CENTAL NC SATURDAY AND SATURDAY NIGHT. THE UPPER RIDGE BREAKS DOWN OVERNIGHT.
Winds are increasing today ahead of an approaching strong cold front that will be sweeping across northwest Montana and north central Idaho this afternoon and evening. The cold air will drop along east side of the Continental Divide which will support a "back door" cold front for western Montana late tonight. Cooler temperatures, mainly for western Montana, and drier weather are expected for Saturday as we transition into a lighter northwesterly flow pattern.
HIGH PRESSURE BUILDS INTO THE AREA THROUGH THE WEEKEND. BRINGING IN COOLER AND DRIER AIR.
318 PM EDT FRI AUG 21 2015 HIGH PRESSURE WILL CONTINUE TO PROVIDE THE REGION WITH MOSTLY CLEAR SKIES.
318 PM EDT FRI AUG 21 2015 HIGH PRESSURE WILL BRING SEASONABLE AND PLEASANT WEATHER FOR THE WEEKEND.
647 PM EDT FRI AUG 21 2015 HIGH PRESSURE WILL START TO BUILD OVER THE REGION RESULTING IN DRIER AND COOLER WEATHER THAN THE LAST FEW DAYS. COOLER AND DRIER WEATHER WILL LAST THOUGH THE WEEKEND.
212 PM EDT FRI AUG 21 2015 HIGH PRESSURE WILL START TO BUILD OVER THE REGION RESULTING IN DRIER AND COOLER WEATHER THAN THE LAST FEW DAYS. COOLER AND DRIER WEATHER WILL LAST THOUGH THE WEEKEND.
/ISSUED 611 AM CDT FRI AUG 21 2015/ SOME MVFR CIGS OBSERVED THIS MORNING AS MOISTURE BEGINS TO LIFT BACK NORTH WITH A WARM FRONT.
443 PM CDT FRI AUG 21 2015 21Z SUBJECTIVE SURFACE ANALYSIS SHOWS LEE TROUGH/DRY LINE EXTENDING FROM SOUTHEAST COLORADO TO JUST WEST OF CLAYTON SOUTHWARD TO NEAR TUCUMCARI. /ISSUED 258 PM CDT FRI AUG 21 2015/ MID AND UPPER LEVEL SHORT WAVE TROUGH OVER THE CENTRAL PANHANDLES WILL CONTINUE TO SLIDE EAST OVERNIGHT. SOME MORE SHOWERS AND THUNDERSTORMS MAY TRY TO FORM BEHIND THIS FEATURE ALONG THE LEE-SIDE TROUGH IN EASTERN NEW MEXICO AND THE WEST TO NORTHWEST FLOW WOULD THEN TEND TO BRING THEM ACROSS THE PANHANDLES THIS EVENING. INSTABILITY AND MOISTURE ALONG WITH INCREASING SHEAR WITH THE SHORT WAVE TROUGH SHOULD HELP TO FORM THE SHOWERS AND THUNDERSTORMS. A COLD FRONT WILL MOVE THROUGH THE PANHANDLES SATURDAY NIGHT WHICH SHOULD HELP FIRE SHOWERS AND THUNDERSTORMS.
317 PM EDT FRI AUG 21 2015 A WEAK COLD FRONT WILL CONTINUE TO PUSH OFF THE COAST THIS EVENING. WHILE HIGH PRESSURE BUILDS IN FROM THE NORTH THROUGH THE WEEKEND.
THE MODELS ARE SHOWING A BUILDING RIDGE INTO THE AREA FROM THE EAST AS THE UPPER TROUGH CURRENTLY OVERHEAD SHEARS OUT AS IT DRIFTS WESTWARD.
REPLACING THE HIGH WIND WATCH. GIVEN NAEFS 500 MB HEIGHT VALUES IN THE LOWEST 1 PERCENTILE AND BELOW. FOCUSING ACROSS MOST OF CENTRAL AND EASTERN NORTH DAKOTA SATURDAY EVENING AND SATURDAY NIGHT IN A STRONG DEFORMATION ZONE/TROWAL AS THE UPPER LEVEL LOW CONTINUES TO DEEPEN.
543 PM CDT FRI AUG 21 2015 FOR 00Z TAFS /ISSUED 257 PM CDT FRI AUG 21 2015/ THE 19Z SURFACE ANALYSIS INDICATED THAT THE COLD FRONT WAS NOW GENERALLY THROUGH THE FORECAST AREA.
159 PM EDT FRI AUG 21 2015 A WEAKENING COLD FRONT SLOWLY CROSSES THE AREA THROUGH THIS EVENING. THE FRONT WILL DISSIPATE JUST EAST OF THE AREA THIS WEEKEND WHILE HIGH PRESSURE BUILDS TO THE NORTH AND WEAK LOW PRESSURE PASSES WELL OFFSHORE.
RIDGE OVER THE DESERT SW WILL AMPLIFY THIS WEEKEND WHILE THE RIDGE IN THE GULF WILL BEGIN TO BE FLATTENED OUT BY THE S/W CURRENTLY MOVING INTO THE CNTRL PLAINS LATE TOMORROW. AS THIS OCCURS THE WEAKENING RIDGE AND WEAK SFC BNDRY OVER THE LOWER MS WILL LEAD TO ADDITIONAL CONVECTION TOMORROW.
328 PM EDT FRI AUG 21 2015 HIGH PRESSURE IS EXPECTED TO BRING DRY WEATHER AND LOW HUMIDITY THROUGH THE WEEKEND. WITH SOME HIGH 40'S POSSIBLE IN THE HIGHER TERRAIN. ALL SHOULD REMAIN QUIET UNTIL THE NEXT WEAK COLD FRONT APPROACHES.
258 PM CDT FRI AUG 21 2015 MID AND UPPER LEVEL SHORT WAVE TROUGH OVER THE CENTRAL PANHANDLES WILL CONTINUE TO SLIDE EAST OVERNIGHT. SOME MORE SHOWERS AND THUNDERSTORMS MAY TRY TO FORM BEHIND THIS FEATURE ALONG THE LEE-SIDE TROUGH IN EASTERN NEW MEXICO AND THE WEST TO NORTHWEST FLOW WOULD THEN TEND TO BRING THEM ACROSS THE PANHANDLES THIS EVENING. INSTABILITY AND MOISTURE ALONG WITH INCREASING SHEAR WITH THE SHORT WAVE TROUGH SHOULD HELP TO FORM THE SHOWERS AND THUNDERSTORMS. A COLD FRONT WILL MOVE THROUGH THE PANHANDLES SATURDAY NIGHT WHICH SHOULD HELP FIRE SHOWERS AND THUNDERSTORMS.
The highest coverage of storms this afternoon is still expected to be across the western part of the forecast area.
A COLD FRONT OUT OF THE NORTHERN PLAINS WILL BEGIN MOVING INTO NORTHEAST COLORADO BY MIDDAY WITH INCREASING NORTHERLY WINDS THROUGH THE AFTERNOON. SO THE COLD FRONT MAY JUST USHER IN ADDITIONAL SMOKE TO CONTEND WITH IN THE AFTERNOON.
UPPER LEVEL RIDGE WILL CONTINUE OVER THE EASTERN GULF TONIGHT. SHORT WAVE TROUGHS LIFTING NORTHEAST FROM THE GULF COAST STATES AROUND RIDGE ARE EXPECTED TO ENHANCE LIFT. DIFFUSE COLD FRONT IS DRAPED ACROSS THE FORECAST AREA. OVERNIGHT LOWS WILL BE IN THE LOWER 70S.
A DRY COLD FRONT WILL MOVE ACROSS NORTHERN UTAH OVERNIGHT. A RIDGE OF HIGH PRESSURE WILL BUILD OVER THE REGION ON SATURDAY.
HIGH HIGH PRESSURE CENTERED TO THE EAST OF WISCONSIN WILL BRING MOSTLY CLEAR SKIES TO THE FORECAST AREA TONIGHT AND SATURDAY. MAIN DIFFERENCES ARE THAT 925 MB TEMPS LOOK MAYBE A DEGREE COOLER ON AVERAGE. BRINGING IN SLIGHTLY COOLER TEMPS.
AN UPPER LOW OVE SOUTHERN BC WITH AN ASSOCIATED TROF INTO EASTERN WA/OR WILL MOVE INTO EASTERN MT/WY BY SAT MORNING. A COLD FRONT PASSING THRU ID THIS AFTN WILL SET OFF ISOLD TSTMS. COOLER TEMPS ON SAT. BUT WARMING BACK UP ON SUN AS THE UPPER RIDGE BUILDS BACK UP OVER THE WEST. THE RIDGE STAYS DOMINANT THRU THE END OF THE WEEK. SOME SUBTROPICAL MOISTURE BEGINS TO FLOW UP THE W SIDE OF THE RIDGE ON TUE. DECREASING ON FRI AS THE RIDGE FLATTENS INTO MORE WESTERLY FLOW.
142 PM EDT FRI AUG 21 2015 A WEAKENING COLD FRONT SLOWLY CROSSES THE AREA THROUGH THIS EVENING. THE FRONT WILL DISSIPATE JUST EAST OF THE AREA THIS WEEKEND WHILE HIGH PRESSURE BUILDS TO THE NORTH AND WEAK LOW PRESSURE PASSES WELL OFFSHORE.
SUBJECTIVE 00Z UPPER AIR ANALYSIS INDICATES BROAD UPPER-LEVEL TROUGH AXIS OVER THE EASTERN GREAT LAKES TO MID- ATLANTIC. 850MB MOISTURE WAS RETURNING TO THE HIGH PLAINS ON THE NOSE OF A VEERING LOW-LEVEL JET. AS POTENT UPPER-LEVEL TROUGH DIVES ACROSS THE NORTH CENTRAL US AND LIKELY CLOSES OFF INTO A LOW WHILE IT DRAGS A COLD FRONT THROUGH THE CENTRAL US ON SATURDAY.
A DEEP AND STACKED ANTICYCLONE REMAINS ROOTED ACROSS THE NORTHEASTERN GULF OF MEXICO. THIS FEATURE HAS BECOME MORE CELLULAR DUE TO THE EROSION OF ITS EASTERN FLANK BY A MID LATITUDE TROUGH. TEMPERATURES REACHED THE LOWER 90S ACROSS THE ISLAND CHAIN. A HYBRID CLOUD LINE OF SHOWERS AND THUNDERSTORMS ARE MOVING WEST THROUGH THE LOWER KEYS.
406 PM EDT FRI AUG 21 2015 HIGH PRESSURE OVER THE OHIO VALLEY WILL BUILD EAST INTO PENNSYLVANIA TODAY AND REMAIN OVER THE REGION THROUGH THE UPCOMING WEEKEND.
234 PM EDT FRI AUG 21 2015 HIGH PRESSURE WILL BRING SEASONABLE AND PLEASANT WEATHER FOR THE WEEKEND.
DRIER AND LESS HUMID AIR WILL FILTER INTO CENTRAL NC FOR THE WEEKEND AS HIGH PRESSURE BUILDS INTO THE AREA. HIGH PRESSURE OVER THE GREAT LAKES STATES WILL EXTEND INTO NC SATURDAY AND SATURDAY NIGHT. NAMELY A LONG WAVE TROUGH THAT'S PROGGED TO REMAIN OVER THE EAST.
1210 PM CDT FRI AUG 21 2015 230 AM CDT HIGH PRESSURE IS CENTERED OVER THE LOWER OHIO VALLEY AND WILL SHIFT NORTHEAST THROUGH TONIGHT. THE HIGH THEN REMAINS OVER THE EAST COAST THROUGH SATURDAY NIGHT. EXPECTING SCATTERED CUMULUS CLOUDS TO FORM BY MID MORNING WHILE SOUTHWEST WINDS USHER IN WARMER AIR. WARMER AIR ALOFT WILL ALSO HELP US BE WARMER THAN YESTERDAY DESPITE ANOTHER CHILLY START TO THE DAY. THE UPPER LEVEL RIDGE SHIFTS EAST SATURDAY WHILE THE NEXT UPPER LEVEL TROUGH MOVES OVER THE NORTHERN PLAINS. THE CLEAR SKIES AND AMPLE MIXING WILL ALLOW TEMPS TO GET INTO THE LOW 80S.
415 PM CDT FRI AUG 21 2015 A WARM FRONT IS CURRENTLY LOCATED ACROSS DEEP EAST TEXAS AND WEST-CENTRAL LOUISIANA AROUND THE HWY 84 CORRIDOR. ISOLATED SHOWERS AND THUNDERSTORMS MAY CONTINUE TO DEVELOP ALONG THE WARM FRONT TONIGHT AS IT LIFTS NORTH ACROSS THE AREA. A SECONDARY UPPER-LEVEL TROUGH IS EXPECTED TO MOVE ACROSS THE RED RIVER VALLEY OVERNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS WILL REMAIN POSSIBLE THROUGH MUCH OF THE WEEKEND DUE TO A WEAK UPPER-LEVEL TROUGH PARKED ACROSS THE REGION WITHIN MAINLY ZONAL FLOW.
A LEE TROF WILL SET UP BY TOMORROW AFTERNOON WHICH MAY AID IN STORM DEVELOPMENT ACROSS OUR WESTERN ZONES BEFORE 00Z TOMORROW AHEAD OF AN APPROACHING COOL FRONT. ALDRICH A COLD FRONT WILL BE HEADING TOWARD THE AREA SATURDAY NIGHT.
219 PM EDT FRI AUG 21 2015 A COLD FRONT WILL BE SLOW TO PUSH OFF THE COAST TODAY. AS HIGH PRESSURE BEGINS TO BUILD EAST FROM THE OHIO VALLEY. THE HIGH WILL BECOME CENTERED FROM NEW ENGLAND TO THE CENTRAL APPALACHIANS OVER THE WEEKEND. AS LOW PRESSURE LINGERS OFF THE COAST. MOSTLY CLEAR/COOLER FRI NIGHT. A BIT WARMER CLOSER TO THE COAST AND ACRS THE ERN SHORE WHERE SOME CLOUDS AND ONSHORE FLOW MAY PERSIST.
327 PM EDT FRI AUG 21 2015 HIGH PRESSURE WILL SETTLE OVERHEAD THROUGH TONIGHT. MOISTURE SHOULD RETURN AHEAD OF AN APPROACHING COLD FRONT THIS WEEKEND.