Aikyam-Lab/Synoptic-Bench huggingface dataset:
A COLD FRONT CURRENTLY APPROACHING THE RED RIVER IS FORECAST TO PUSH SOUTH THROUGH THE REGION TODAY. LIFT WILL INCREASE AGAIN LATE TONIGHT AS THE NEXT TROUGH DEEPENS WEST OF THE REGION. /ISSUED 400 AM CDT WED MAY 20 2015/ NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP AND MOVE EAST ACROSS THE RED RIVER COUNTIES THROUGH THE MORNING HOURS AS A COLD FRONT SLIDES SLOWLY SOUTH FROM OKLAHOMA.
110 PM EDT TUE OCT 20 2015 HIGH PRESSURE INTO MID WEEK.
WATER VAPOR LOOPING SHOWS AN UPPER LOW OVER NORTHERN BAJA AND A TROPICAL FEED OF MID/HIGH LEVEL MOISTURE MOVING NORTHEAST ACROSS NORTH-CENTRAL MEXICO AND TEXAS THIS AFTERNOON WHICH WILL PLACE AN IMPORTANT PART IN THE UPCOMING RAIN EVENT. TONIGHT WILL AGAIN BE SEASONAL WITH SOUTHEAST SURFACE WINDS AS THE ANTI-CYCLONE OVER THE EASTERN SEASHORE PROVIDES FOR NORTHERN GULF OF MEXICO AIR TO CURVE INLAND ALONG THE TEXAS COAST AND MOVE NORTHWARD ACROSS NORTH-CENTRAL TEXAS. THE ABOVE MENTIONED LOW LEVEL WIND PATTERN WILL CONTINUE FOR THE REST OF THE WEEK AS THE WESTERN UPPER LOW MOVES EAST.
559 PM EDT TUE OCT 20 2015 HIGH PRESSURE WILL MAINTAIN DRY AND WARM WEATHER UNTIL THE APPROACH OF A COLD FRONT ON WEDNESDAY NIGHT. NO MAJOR CHANGES WERE NEEDED FOR THE EVE UPDATE AS WARM ADVECTION IN ADVANCE OF A GREAT LAKES TROUGH WILL SUPPORT TEMPS ABOUT 5 TO 10 DEGREES ABOVE THE AVERAGES FOR THE NEAR TERM PERIOD.
118 PM CDT TUE OCT 20 2015 HIGH PRESSURE SITTING ALONG THE SPINE OF THE LOWER APPALACHIANS HAD SHIFTED FAR ENOUGH EAST TO PRODUCE A S-SELY FLOW ACROSS THE TN VALLEY.
147 PM EDT TUE OCT 20 2015 HIGH PRESSURE INTO MID WEEK.
400 PM EDT TUE OCT 20 2015 HIGH PRESSURE WILL REMAIN IN CONTROL THROUGH THE END OF THE WEEK. BELOW NORMAL TEMPERATURES WILL CONTINUE TO MODERATE AS AN UPPER-LEVEL RIDGE BUILDS OVER THE AREA. A PRESSURE RIDGE WILL EXTEND INTO THE FORECAST AREA FROM THE NORTHEAST THROUGH TONIGHT. IT SHOULD NOT BE AS COLD AS LAST NIGHT BECAUSE OF AIR MASS MODIFICATION PLUS SOME OF THE LOW-LEVEL MOISTURE EVIDENT ON SATELLITE IMAGERY ADVECTING INTO SOUTH GEORGIA FROM THE ATLANTIC MAY GET INTO THE FORECAST AREA. USED THE GUIDANCE CONSENSUS FOR THE LOW TEMPERATURE FORECAST. DESPITE THE LOW-LEVEL MOISTURE INCREASE IT SHOULD STILL REMAIN RELATIVELY DRY SO BELIEVE FOG WILL BE LIMITED AND THIS WAS SUPPORTED BY LOW PROBABILITIES FROM THE SREF GUIDANCE PLUS THE NAM AND GFS MOS.
SOUTH TO SOUTHEASTERLY FLOW IN THE LOW-MID LEVELS WILL INCREASE TONIGHT AS AN UPPER TROUGH DEEPENS TO OUR WEST. IF WE CAN GET ENOUGH HEATING AND INSTABILITY IN THE LOW-LEVELS. THE ABOVE MENTIONED UPPER TROUGH TO OUR WEST CONTINUES TO SLOWLY MOVE EASTWARD TOWARD THE REGION WEDNESDAY NIGHT.
A PERSISTENT LOW PRESSURE SYSTEM WILL BRING WIDESPREAD SHOWERS AND THUNDERSTORMS TO NORTHERN ARIZONA THROUGH WEDNESDAY.
313 PM CDT TUE OCT 20 2015 UPPER LEVEL RIDGE OVER THE SOUTHEAST UNITED STATES WILL KEEP CENTRAL ALABAMA IN A DRY WEATHER PATTERN THROUGH (AT LEAST) THE REST OF THE WORK WEEK. THE INCREASED HEIGHTS AND LOW LEVEL THICKNESSES ASSOCIATED WITH THE RIDGE BUILD UP ALSO SUPPORTS THE NOTION OF TEMPERATURES (BOTH HIGHS AND LOWS) INCHING UP OVER THE NEXT FEW DAYS AS WELL. THE BIG UPPER LEVEL TROUGH NOW DIGGING INTO THE SOUTHWEST STATES IS FORECAST TO SWING EASTWARD.
322 PM MDT TUE OCT 20 2015 UPPER LOW FORECAST TO SWING INTO WESTERN AZ THIS EVENING. STRONG SHORT WAVE LIFTING AROUND THE LOW THROUGH NM ALREADY FORCING A LARGE AMOUNT OF CONVECTION TO OUR SOUTH. SURFACE COLD FRONT WILL DROP SOUTH THROUGH THE PLAINS AFTER MIDNIGHT AS WELL. PRECIPITATION REDEVELOPS AND SPREADS NORTHWARD ACROSS THE AREA AS UPPER LOW EDGES CLOSER. THOUGH ACCUMS THIS LOW SHOULD BE MINOR. MAX TEMPS MUCH COOLER WITH CLOUDS/PRECIP.
700 PM EDT TUE OCT 20 2015 BRINGING A RETURN OF MUCH WARMER AIR OVER THE NEXT FEW DAYS.
355 PM CDT TUE OCT 20 2015 UPPER LEVEL BROAD RIDGE ACROSS THE SOUTHEAST CONUS THIS AFTERNOON. CLOSED LOW SPINNING ACROSS BAJA CALIFORNIA WITH A TROUGH PUSHING ACROSS THE NORTHERN ROCKIES. AT THE SURFACE A COLD FRONT IS DIVING SOUTHEAST ALONG THE LEE SIDE OF THE ROCKIES. FIRST WILL BE THE PASSAGE OF THE COLD FRONT. THEN AN UPPER LEVEL DISTURBANCE LIFTING THROUGH THE HIGH PLAINS. THE COLD FRONT WILL SLIDE THROUGH THE AREA OVER THE NEXT 12 TO 15 HOURS. BY TOMORROW AFTERNOON THE COOLER AIR WILL SETTLE IN AND HIGHS REBOUND TO THE UPPER 50S AND LOWER 60S. MEANWHILE THE UPPER LEVEL LOW ACROSS BAJA WILL BEGIN TO LIFT NORTHEAST AND BECOME AN OPEN WAVE. STRONG MOISTURE TRANSPORT AHEAD OF THE LOW WILL BRING AN INCREASE OF MOISTURE TO THE REGION.
159 PM EDT TUE OCT 20 2015 HIGH PRESSURE IS FORECAST TO KEEP DRY WEATHER OVER THE AREA THROUGH WEDNESDAY.
LOWS TONIGHT WILL FALL BACK INTO THE LOW TO MID 50S. OTRWS CONTD MILD SWRLY LL FLW TO CONT WITHIN LL THERMAL TROUGH W/WARMER MOS BLENDS PREFERRED THROUGHOUT.
258 PM EDT TUE OCT 20 2015 HIGH PRESSURE REMAINS OVER THE REGION THROUGH WEDNESDAY.
CLOUDS AND AN FEW SHOWERS WERE LINGERING OVER THE FAR EASTERN ZONES THIS MORNING IN RESPONSE TO A DEPARTING LOW PRESSURE SYSTEM. MEANWHILE A RIDGE OF HIGH PRESSURE WILL CONTINUE TO BUILD INTO THE REGION WITH DRY CONDITIONS AND ABOVE NORMAL TEMPS EXPECTED TODAY.
DRY CONDITIONS SHOULD BE SEEN ACROSS THE AREA DURING THE MORNING HOURS WITH NO APPARENT TRIGGER OR FORCING AHEAD OF THE COLD FRONT. MOISTURE WILL INCREASE AS THE COLD FRONT MOVES THROUGH THE AREA DURING PEAK HEATING. THE FIRST AT THE BEGINNING OF THE PERIOD ASSOCIATED WITH A COLD FRONT PASSAGE AND THE OTHER WITH A WAVE MOVING THROUGH THE PLAINS AT THE END OF THE WEEK INTO THE EARLY WEEKEND. THE BOUNDARY THEN SAGS SOUTH OF THE AREA AND STALLS OUT WITH A H5 RIDGE MOVING THROUGH THE AREA.
301 PM CDT TUE OCT 20 2015 19z/2pm surface analysis shows a 1030mb high centered over the southeast CONUS and a cold front extending from the Great Lakes into the Northern Plains. Due to increasing cloud cover and a continued southerly wind of 10- 15 mph, overnight low temperatures will be considerably warmer than in recent nights. Breezy southwest winds will continue Wednesday as high pressure remains off the central Atlantic coastline and low pressure moves eastward through the northern Great Lakes area.
335 PM EDT TUE OCT 20 2015 HIGH PRESSURE REMAINS OVER THE REGION THROUGH THE MIDDLE OF THE WEEK.
ELY WINDS 8-15 KT PERSIST ON THE SRN EDGE OF A RIDGE THAT EXTENDS FM THE CAROLINAS WEST ACRS LA INTO TX. INCREASING MOISTURE NOTED IN THE LOWER LVLS. BUT A FEW SHOWERS ARE ALSO NOTED HUGGING THE SERN LA COASTLINE WHICH HAS NECESSITATED AN ADDITION OF SLIM POPS FOR LOWER ACADIANA THIS AFTERNOON AS THEY KEEP SLIDING WNWWD AROUND THE SERN CONUS RIDGE. AND GENERALLY IN THE LOW TO MID 50S OVER CENTRAL LOUISIANA INTO INTERIOR SOUTHEAST TEXAS. OVERALL PATTERN EXPECTED TO REMAIN QUIET THROUGH MID-WEEK AS HIGH PRESSURE OVER THE MID-GULF AMPLIFIES NORTH IN RESPONSE TO A DEEPENING WEST CONUS TROF.
302 PM EDT TUE OCT 20 2015 HIGH PRESSURE WILL REMAIN ANCHORED JUST EAST OF THE REGION THROUGH WEDNESDAY NIGHT. SOUTHERLY WINDS WILL CONTINUE TO BRING MILDER AIR INTO EAST KENTUCKY WITH HIGHS ON WEDNESDAY A TOUCH WARMER INTO THE LOW TO MID 70S. LOWS TONIGHT WILL FEATURE ANOTHER RIDGE/VALLEY SPLIT WITH THE COLDER VALLEYS INTO THE MID 30S AND RIDGES STAYING IN THE MID 40S. ONLY SLIGHTLY MILDER WITH VALLEYS AROUND 40 AND RIDGES AROUND 50.
MILD LOWS TONIGHT IN THE LOW TO MID 70S ALONG THE COAST AND MID 60S FAR INTERIOR. HIGHS WED IN THE LOW TO MID 80S. 7 FT ABOVE NORMAL AT TRIDENT PIER SO WILL LIKELY LET THE HIGH SURF ADVISORY EXPIRE THIS EVE. AN AMPLIFYING RIDGE EXTENDING N FROM THE GOMEX AND ACROSS THE ERN CONUS WILL CONTRIBUTE TO LARGELY STABLE CONDS LOCALLY LATE WEEK. FOLLOWED BY UPSTREAM DEAMPLIFICATION AS A SLOW MOVING SHORT WAVE TROUGH WHICH FLATTENS THE GOMEX RIDGE STARTING SUN NIGHT.
OFFSHORE FLOW WILL RESULT IN WARMER WEATHER ACROSS THE FORECAST AREA TODAY AND WEDNESDAY AS AN UPPER LEVEL RIDGE BUILDS OVER THE AREA.
/ISSUED 408 AM CDT TUE OCT 20 2015/ SOUTHEASTWARD MOVING UPPER LOW CURRENTLY JUST WEST OF LOS ANGELES WILL CUTOFF WHILE CROSSING NORTHERN BAJA AND THE GULF OF CALIFORNIA THIS AFTERNOON.
WARM TEMPERATURES IN THE UPPER 60S TO THE LOWER 70S STILL LOOK GOOD FOR THIS AFTERNOON WITH SOME CIRRUS CLOUDS. SOUTH AND THEN WESTERLY BY THE LATE AFTERNOON FOR THE WESTERN CWA AND OVERNIGHT IN THE EAST AS A 1024MB HIGH PRESSURE BUILDS INTO THE REGION.
158 PM EDT TUE OCT 20 2015 AVIATION/HYDRO LOW PRESSURE WILL MOVE INTO THE CENTRAL AND NORTHERN GREAT LAKES OVER THE NEXT COUPLE DAYS BRINGING THE CHANCE FOR SOME RAIN AT TIMES WITH THE GREATEST CHANCE COMING TONIGHT INTO EARLY WEDNESDAY.
SHOWERS AND STORMS ON THE HIGH PLAINS OF EASTERN NM AND WESTERN TX EXPECTED TO STAY WEST OF OUR CWA UNTIL TONIGHT.
HIGH PRESSURE WAS MOVING THROUGH CENTRAL CANADA AT 0730Z. PLENTY OF HIGH CLOUDS WERE DRIFTING OVER THE FORECAST AREA AHEAD OF LOW PRESSURE IN THE LEE OF THE ROCKIES. A NE FLOW HAS ALREADY DEVELOPED OVER MUCH OF THE REGION IN RESPONSE TO THE HIGH. THE HIGH WILL TRAVEL EASTWARD AND REACH CENTRAL ONTARIO BY 00Z WEDNESDAY. A RIDGE AXIS FROM THE HIGH WILL FORM OVER WESTERN LAKE SUPERIOR BY AFTERNOON. THE DRY AIR FROM THE HIGH WILL COVER THE REGION TODAY. AND MUCH COOLER MAX TEMPS COMPARED TO YESTERDAY. MODELS DO AGREE THAT A DIGGING SHORT WAVE TROF WILL REACH EASTERN ND BY 06Z. MODELS AGREE THAT THE UPPER TROF WILL MOVE INTO MN BY 12Z WEDNESDAY. THE UPPER TROF MOVES EASTWARD WHILE AN UPPER LOW FORMS IN NW ONTARIO.
1208 PM CDT TUE OCT 20 2015 FOR 18Z TAFS /ISSUED 1100 AM CDT TUE OCT 20 2015/ RIDGING CONTINUES TO EXTEND SOUTHWEST INTO THE TENNESSEE VALLEY FROM AN AREA OF HIGH PRESSURE CENTERED OVER THE WEST VIRGINIA AREA AND THE CAROLINAS. THE HIGH HAS PUSHED FAR ENOUGH EAST TO BRING SOUTHERLY TO SOUTHWESTERLY WINDS BACK INTO OUR FORECAST. THIS IS ADVECTING WARMER AND SLIGHTLY MORE MOIST AIR INTO NORTHERN ALABAMA/SOUTHERN MIDDLE TN. THE STRONG CAP PROVIDED BY THE UPPER LEVEL RIDGING AND THE LIGHT FLOW EXPECTED IN THE BOUNDARY LAYER SHOULD KEEP DEWPOINTS FROM MIXING OUT THIS AFTERNOON. EXPECT HIGH TEMPERATURES TO RISE INTO THE LOWER TO MID 70S IN MOST LOCATIONS.
310 PM CDT TUE OCT 20 2015 HIGH PRESSURE CENTERED OFF THE ATLANTIC COAST. LOW PRESSURE CENTERED OVER NORTH DAKOTA WITH A COLD FRONT THROUGH THE WESTERN GREAT PLAINS INTO NEW MEXICO.
/ISSUED 354 AM CDT TUE OCT 20 2015/ (Today and tonight) An upper trough over California will dig slowly southeast tonight, becoming a cut off upper low over Southern Arizona. Dry conditions, however, are expected today and tonight, with the lift from the upper trough still west of West Central Texas. High cloudiness will be on the increase late this afternoon as the upper trough/low approaches from the West. Highs should not be affected by mid/upper clouds today, as the clouds will arrive late, allowing readings to reach into the lower and mid 80s. Stratus developing after midnight, however, will limit temperature falls, with lows expected in the lower 60s.
145 PM EDT TUE OCT 20 2015 HIGH PRESSURE WILL REMAIN IN CONTROL THROUGH THE END OF THE WEEK. BELOW NORMAL TEMPERATURES WILL CONTINUE TO MODERATE AS AN UPPER-LEVEL RIDGE BUILDS OVER THE AREA. AN UPPER-LEVEL RIDGE WILL BUILD EAST INTO THE REGION THROUGH THE OVERNIGHT.
241 PM PDT TUE OCT 20 2015 A FEW SHOWERS POSSIBLE OVER THE HIGHER ELEVATIONS OF THE SIERRA NEVADA THIS AFTERNOON AND EARLY EVENING AS A TROUGH OF LOW PRESSURE CONTINUES TO EXIT THE REGION. CENTRAL CALIFORNIA REMAINS IN BETWEEN A RIDGE TO THE NORTH AND UPPER LOW TOWARDS BAJA. WINDS WILL CONTINUE OFFSHORE BUT SHOULD DECREASE WEDNESDAY AFTERNOON AS GRADS WEAKEN WITH THE UPPER LOW MOVING FURTHER AWAY INTO ARIZONA.
405 PM EDT TUE OCT 20 2015 HIGH PRESSURE WILL REMAIN ANCHORED JUST EAST OF THE REGION THROUGH WEDNESDAY NIGHT. SOUTHERLY WINDS WILL CONTINUE TO BRING MILDER AIR INTO EAST KENTUCKY WITH HIGHS ON WEDNESDAY A TOUCH WARMER INTO THE LOW TO MID 70S. LOWS TONIGHT WILL FEATURE ANOTHER RIDGE/VALLEY SPLIT WITH THE COLDER VALLEYS INTO THE MID 30S AND RIDGES STAYING IN THE MID 40S. ONLY SLIGHTLY MILDER WITH VALLEYS AROUND 40 AND RIDGES AROUND 50. WITH AN UPPER LEVEL LOW ACROSS THE DESERT SOUTHWEST. AND A VIGOROUS SHORT WAVE TROUGH CRUISING ACROSS EASTERN CANADA. RIDGING IS HANGING ON ACROSS THE PLAINS AND MOST OF THE MISSISSIPPI VALLEY. HOWEVER THERE ARE MORE TIMING DIFFERENCES AS TO HOW QUICKLY THE REMNANT SHORT WAVE TROUGH RIDES THROUGH THE SOUTHERN STREAM. THE LATEST ECMWF IS QUICKER WITH PROGRESSING THIS ENERGY THROUGH THE LOWER MISSISSIPPI VALLEY.
HIGH PRESSURE CONTINUES IT'S DOMINATION OVER THE WEATHER HERE IN THE SOUTHEAST CONUS WITH PLENTY OF SUNSHINE AND E/SE SFC WINDS.
301 PM MDT TUE OCT 20 2015 A SERIES OF SHORT WAVE TROUGHS WILL BE LIFTING OUT OF THE UPPER LOW MOVING ACROSS THE EXTREME SOUTHWEST UNITED STATES TONIGHT AND WEDNESDAY. ALONG WITH THE SHORT WAVE TROUGHS ALOFT. THERE WILL BE A COLD FRONT MOVING SOUTHWARD ACROSS THE FORECAST AREA BETWEEN 06-12Z TONIGHT. THE UPPER LOW CURRENTLY OVER THE SOUTHWESTERN U.
326 PM EDT TUE OCT 20 2015 HIGH PRESSURE WILL BRIEFLY BUILD IN FROM THE NORTHWEST TONIGHT THROUGH EARLY WEDNESDAY. A WARM FRONT WILL LIFT NORTH THROUGH THE REGION WEDNESDAY NIGHT.
With clearing skies tonight and plenty of moisture left over in the lower atmosphere, we're expecting widespread valley fog to develop (especially in central Idaho and west-central Montana). Warmer and drier conditions are in store for the Northern Rockies Wednesday, with high temperatures rebounding to around 5-10 degrees above normal.
TEMPS POSSIBLY STAYING IN THE LOW 60S. EXPECT A COLD FRONT TO PUSH SOUTH ACROSS THE AREA INTO OK EARLY ON SAT. CANADIAN HIGH PRESSURE BUILDS INTO THE REST OF THE AREA FOR SAT EVENING INTO SUN.
133 PM EDT TUE OCT 20 2015 HIGH PRESSURE WILL PROVIDE DRY WEATHER AND UNSEASONABLY-WARM AIR THROUGH MID-WEEK.
350 PM EDT TUE OCT 20 2015 A SURFACE COLD FRONT WILL PUSH THROUGH THE REGION TONIGHT BRINGING A COOL DRY DAY ON WEDNESDAY.
LOW PRESSURE TROUGH PASSING THROUGH IDAHO FALLS AND ISLAND PARK THIS AFTERNOON. EXTENDED MENTION OF THE PRECIPITATION INTO THE FIRST FEW HOURS THIS EVENING WHILE THE TROUGH AND LOW CLOUD COVER CLEARS THE AREA.
315 PM MST TUE OCT 20 2015 A PERSISTENT AREA OF LOW PRESSURE OVER THE WESTERN UNITED STATES WILL BRING ELEVATED CHANCES OF SHOWERS AND THUNDERSTORMS TO THE DESERT SOUTHWEST THROUGH WEDNESDAY. A DRIER AND WARMER AIRMASS WILL RETURN THIS WEEKEND. THIS SHORT WAVE IS WITHIN THE SOUTHERN END OF A TROUGH OVER THE WESTERN STATES. THEY ALSO SHOW QPF GOING THROUGH THE DAYTIME WEDNESDAY EAST OF THE LOWER COLORADO RIVER VALLEY AS THE SOUTHERN END OF THE LOW BECOMES CENTERED OVER ARIZONA. POPS TREND DOWN SHARPLY WEDNESDAY NIGHT AS THE LOW CENTER BEGINS SHIFTING INTO NEW MEXICO.
256 PM EDT TUE OCT 20 2015 BRINGING A RETURN OF MUCH WARMER AIR OVER THE NEXT FEW DAYS.
241 PM PDT TUE OCT 20 2015 MOSTLY CLEAR SKIES WITH A GRADUAL WARMING TREND OVER THE NEXT SEVERAL DAYS AS HIGH PRESSURE INVADES THE AREA.
359 PM EDT TUE OCT 20 2015 MODELS CONTINUE TO SHOW AN AREA OF STRONG HIGH PRESSURE AT THE SURFACE OVER THE SOUTHEAST US, TO THE NORTH OF FLORIDA. THIS HIGH WILL DOMINATE THE WEATHER THROUGH MOST OF THIS WEEK. THESE HIGHS WILL KEEP A NORTHEAST TO EAST FLOW IN THE LOW LEVELS. AT 500 MB, THERE WILL BE A STRONG RIDGE OF HIGH PRESSURE OVER THE GULF OF MEXICO, KEEPING THE FLOW OUT OF THE NORTHWEST MOST OF THE WEEK AS WELL.
HIGH PRESSURE WILL CONTINUE TO MOVE EAST WITH SOUTHERLY FLOW SETTING UP FROM THE SOUTH AND SOUTHWEST. TEMPERATURES WILL BE WARMER TONIGHT AND TOMORROW THAN THE PAST COUPLE OF DAYS.
231 PM EDT TUE OCT 20 2015 HIGH PRESSURE INTO MID WEEK.
1222 PM MDT TUE OCT 20 2015 THE UPPER LOW CONTINUES TO SPIN WITH SIGNIFICANT ENERGY DIGGING THE BOTTOM OF THE LOW INTO THE NORTHERN BAJA. STRONG DIVERGENT PORTION OF THE LOW REMAINS WELL SOUTH OF THE FOUR CORNERS FOR AN INTERESTING WEATHER DAY ACROSS THE DESERT SW. WHERE CONDITIONS ARE COOLER AND EXPECT THIS ACTIVITY TO DIMINISH OR SLOWLY DISSIPATE AS IT LIFTS TOWARDS WYOMING. DEEP CLOSED LOW OVER THE SOUTHWEST STATES WILL CONTINUE TO PUMP MOISTURE NORTH AND EAST ACROSS THE FORECAST AREA. ANOTHER WAVE ROUND THE BASE OF THE LOW EVIDENT IN WATER VAPOR IMAGERY THIS MORNING. WITH THE LOW SLOW TO MOVE.
400 PM EDT TUE OCT 20 2015 HIGH PRESSURE WILL BRIEFLY BUILD IN FROM THE NORTHWEST TONIGHT THROUGH EARLY WEDNESDAY. A WARM FRONT WILL LIFT NORTH THROUGH THE REGION WEDNESDAY NIGHT.
243 PM EDT TUE OCT 20 2015 HIGH PRESSURE WILL PROVIDE DRY WEATHER AND UNSEASONABLY-WARM AIR THROUGH MID-WEEK.
230 PM PDT TUE OCT 20 2015 LOW PRESSURE OVER ARIZONA WILL KEEP NORTHEAST TO EAST WINDS IN PLACE THIS EVENING, WITH SOME CLOUDS LINGERING ESPECIALLY NEAR THE SIERRA. LOCALLY GUSTY RIDGE WINDS ARE POSSIBLE THROUGH TONIGHT OVER THE SIERRA.
HIGH PRESSURE BOTH AT THE SURFACE AND ALOFT WILL KEEP DRY CONDITIONS THROUGH THE REMAINDER OF TODAY. WHICH IS A FEW DEGREES WARMER THAN YESTERDAYS HIGH TEMPERATURES.
405 PM EDT TUE OCT 20 2015 A WEAK COLD FRONT WILL DROP THROUGH THE AREA TONIGHT, AND RETURN AS A WARM FRONT ON WEDNESDAY WITH A FEW SHOWERS, MAINLY ACROSS THE NORTH.
348 PM EDT TUE OCT 20 2015 HIGH PRESSURE REMAINS OVER THE REGION THROUGH WEDNESDAY.
125 PM EDT TUE OCT 20 2015 HIGH PRESSURE WILL REMAIN IN CONTROL THROUGH THE END OF THE WEEK. BELOW NORMAL TEMPERATURES WILL CONTINUE TO MODERATE AS AN UPPER-LEVEL RIDGE BUILDS OVER THE AREA. AN UPPER-LEVEL RIDGE WILL BUILD EAST INTO THE REGION THROUGH THE OVERNIGHT.
SKIES ARE CLEARING OFF THIS AFTERNOON AS AN UPPER LEVEL RIDGE CROSSES THE REGION. A THERMAL TROUGH ALONG THE COAST AND THE ASSOCIATED OFFSHORE FLOW WILL KEEP THE COAST SOUTH OF CAPE BLANCO FAIRLY CLEAR. ANY FOG WILL LIKELY CLEAR OFF MORE QUICKLY TOMORROW THAN IT DID TODAY, AND THIS SHOULD YIELD WARMER TEMPERATURES.
UPPER RIDGING WILL AMPLIFY OVER THE GULF AND SOUTHEASTERN U. TONIGHT THROUGH WEDNESDAY AS A STRONG CLOSED UPPER LEVEL LOW MOVES INTO THE SOUTHWESTERN STATES. MID/UPPER LEVEL RIDGING WILL BUILD NORTH FROM THE GULF OF MEXICO UP INTO THE SOUTHEAST U.
538 PM EDT TUE OCT 20 2015 A WEAK COLD FRONT WILL DROP THROUGH THE AREA TONIGHT, AND RETURN AS A WARM FRONT ON WEDNESDAY WITH A FEW SHOWERS, MAINLY ACROSS THE NORTH.
HIGH PRESSURE WILL REMAIN OVER THE REGION WITH DRY AIR AND SOUTH WINDS LESS THAN 10KT. WILL WARM TEMPERATURES INTO THE LOWER 70S FOR MOST OF MID TN.
655 PM EDT TUE OCT 20 2015 HIGH PRESSURE REMAINS OVER THE REGION THROUGH THE MIDDLE OF THE WEEK.
342 PM CDT TUE OCT 20 2015 MID-AFTERNOON SFC ANALYSIS CONTINUES TO SHOW HIGH PRESSURE CENTERED OVER THE CAROLINAS RIDGING WSWWD OVER THE FORECAST AREA.
UPPER LEVEL TROUGH OVER NORTHEAST MONTANA WILL MOVE SLOWLY EAST TODAY. USED THE HIRES MODELS TO UPDATE THE CURRENT POP TRENDS WITH THE HIGHEST POPS NORTHWEST THIS MORNING. LOW PRESSURE WAS LOCATED OVER SOUTHEASTERN MONTANA. THIS LOW WILL CONTINUE TO DRIFT EAST NORTHEAST OVERNIGHT. BUT SLIGHTLY COOLER WITH MORE CLOUDS. WE TRANSITION INTO A NORTHWEST FLOW REGIME AS A WEST COAST RIDGE BEGINS TO APPROACH THE FORECAST AREA.
1154 PM CDT FRI SEP 11 2015 Cooler and drier Canadian air mass was moving in from the north today behind the strong cold front which brought showers and thunderstorms to the region last night. Surface dew points were in the lower 60s across far southern MO, but some upper 40s dew points were beginning to push into central MO. Will continue to see the cooler and drier air mass push into the area tonight with a clear sky and diminishing surface wind after sunset. With the relatively warm lake temperatures and cool air mass tonight, we might get some fog developing along the low lying areas and near lakes and streams overnight and have highlighted these areas in the grids and in the HWO for tonight.
Low temperatures should drop into the low to mid 40s with the exception of central KS in the upper 40s where mid-level cloud cover could inhibit radiational cooling. Given the heavy rainfall some locations received yesterday there is a slight chance for ground fog especially in the low lying areas near sunrise tomorrow.
THE LATEST SUITE OF MODEL GUIDANCE CONTINUES TO FORECAST A COLD FRONT MOVING THROUGH THE MISSISSIPPI VALLEY TONIGHT THEN POSSIBLY ENTERING NORTHWEST FLORIDA BY LATE SATURDAY.
HIGH PRESSURE WILL DOMINATE THE WEATHER ACROSS THE NORTHERN PLAINS THIS EVENING. WARMER TEMPERATURES HIGHLIGHT THE SHORT TERM PERIOD. THUS A FEW MID AND HIGH CLOUDS SPILLING OVER THE UPPER RIDGE. MOSTLY SUNNY AND DRY WITH TEMPERATURES A FEW DEGREES WARMER THAN TODAY.
/ISSUED 223 PM CDT FRI SEP 11 2015/ COLD FRONT HAS JUST ENTERED THE REGION THIS AFTERNOON. AFTER FROPA CHANCES FOR LINGERING SHOWERS WILL CONTINUE INTO TOMORROW AS ANOTHER LOBE OF THE UPPER TROUGH APPROACHES THE REGION. THE VORT MAX AND ASSOCIATED JET HELP TO DIG THE TROUGH PRETTY QUICKLY AND THE TROUGH AXIS SHOULD PASS THROUGH THE MID STATE LATE AFTERNOON AND EVENING. ALL MODELS DO AGREE ROUGHLY ON TROUGH TIMING AND THE STRENGTH OF THE VORT MAX. ONCE THE TROUGH PASSES. WE GET A NICE PERIOD OF DRY WEATHER ALTHOUGH IT WILL BE COOLER.
/ISSUED 322 PM CDT FRI SEP 11 2015/ (Tonight and Saturday) Several outflow boundaries have moved into the area this afternoon, as well as a synoptic cold front. The main cold front has made it into the northern Concho Valley this afternoon, and will continue to move south through the area, so additional thunderstorm development will be possible, but as we move into the evening hours, chances will diminish. With the front moving through the area tonight, expect to see slightly cooler temperatures with lows mainly in the mid to upper 60s.
927 PM EDT FRI SEP 11 2015 LOW PRESSURE OVER SOUTHERN NOVA SCOTIA THIS EVENING WILL TRACK ACROSS THE MARITIMES SATURDAY WITH HIGH PRESSURE SLIDING ACROSS THE AREA SATURDAY.
ATT RADAR AND SURFACE OBSERVATIONS WERE SHOWING THIS MORNINGS COLD FRONT HAD CAUGHT UP TO LAST NIGHT'S MCS OUTFLOW BOUNDARY. A BRISK NORTH WIND WILL USHER IN A REFRESHING COOL AND DRY AIRMASS OVERNIGHT WITH LOWS RANGING FROM THE MID 50S TO THE LOW 60S.
916 PM PDT FRI SEP 11 2015 High pressure will persist over Eastern Washington and Northern Idaho on Saturday for another day of warm and dry conditions.
RIDGING ALOFT WILL PREVAIL OVER OUR REGION THROUGH THE WEEKEND.
ACTUAL COLD FRONT IS LOCATED JUST NORTH OF THE CWA.
848 PM EDT FRI SEP 11 2015 LOW PRESSURE WILL DEVELOP OVER THE SOUTHERN APPALACHIANS TONIGHT AND MOVE NORTHEAST ACROSS THE AREA SATURDAY.
The second is currently approaching I-20 with cooler and drier air pushing in behind it. Looking at the local scale it is difficult to determine which boundary is the cold front, but backing out to a more regional scale it appears the first boundary was in fact the cold front with the second being the location of the source air mass and greatest cold air advection. Mesoscale models show the greatest coverage will be near the cold frontal boundary to the south and the higher terrain west of the Pecos River this afternoon. Afterward, an upper level ridge will once again situate itself over west Texas bringing a gradual warming trend. Fortunately the upper ridge will be rather broad and dampened so temperatures, while above normal, should remain mostly in the lower 90s.
A STRONG COLD FRONT WILL APPROACH FROM THE NORTHWEST SATURDAY AND CROSS OUR AREA SATURDAY NIGHT.
QUITE A DEEP TROUGH DIGGING INTO THE AREA WITH MVFR CEILINGS AND SOME SCATTERED SHOWERS DEVELOPING THROUGH MUCH OF THE DAY SATURDAY MAINLY AT TRI AND TO A LESSER EXTENT AT TYS AND CHA.
THE UPPER RIDGE OVER THE GREAT BASIN WILL BE THE DOMINANT PLAYER OVER THE NEXT FEW DAYS. WATER VAPOR IMAGERY SHOWING HIGH PRESSURE ALOFT BUILDING INLAND ACROSS MUCH OF THE WEST COAST WITH A RESULTANT MODERATE NORTHWEST FLOW ALOFT. MAINLY CLEAR SKIES TONIGHT WILL LEAD TO A BIT COOLER TEMPERATURES BY SAT AM. SATURDAY WILL BE MOSTLY SUNNY WITH WARMER TEMPERATURES AS HIGH PRESSURE CONTINUES TO BUILD OVER THE REGION.
1032 PM EDT FRI SEP 11 2015 RAIN SHOWERS WILL WORK ACROSS THE REGION OVERNIGHT IN WAKE OF A COLD FRONT. MUCH COOLER AIR WILL FILTER IN FOR THE WEEKEND BEHIND THIS FRONT.