Aikyam-Lab/Synoptic-Bench huggingface dataset:
DEEP UPPER LEVEL TROUGH WILL REMAIN OVER THE SOUTHEAST OVER THE NEXT SEVERAL DAYS. GENERALLY HOLDING IN THE LOWER TO MIDDLE 50S UNDER EXTENSIVE LOW CLOUDS.
726 PM EDT FRI OCT 2 2015 A LOW PRESSURE SYSTEM OVER THE SOUTHEASTERN U. LOWS TONIGHT WILL BE IN THE MID TO UPPER 40S WITH HIGHS SATURDAY ONLY IN THE LOWER TO MIDDLE 50S. GUSTY WINDS ONCE AGAIN WITH TIGHT PRESSURE GRADIENT WILL MAKE IT FEEL EVEN COOLER. AN UPPER LOW WAS OVER SOUTHERN MISSISSIPPI EARLY THIS AFTERNOON WITH A VERY MOIST FETCH AHEAD OF THE SYSTEM OVER THE SOUTHEASTERN UNITED STATES. ESPECIALLY THE TRENDING TOWARD A MORE PRONOUNCED UPPER LEVEL RIDGE OVER THE CENTRAL UNITED STATES. THE BLOCKING PATTERN UPSTREAM WILL PERSIST.
803 PM EDT FRI OCT 2 2015 A TROUGH OF LOW PRESSURE WILL EXTEND NORTH ACROSS THE LOCAL AREA FROM THE SOUTHEASTERN UNITED STATES LATE TONIGHT AND SATURDAY.
A vort extension north of an upper low over the gulf coast states supported showers to our east most of the 1st half of the day. With the upper low continuing to spin over the Gulf Coast states this weekend, we will continue to see impulses rotate around the low, westward across our area.
818 PM EDT FRI OCT 2 2015 A LOW PRESSURE SYSTEM OVER THE SOUTHEASTERN U. LOWS TONIGHT WILL BE IN THE MID TO UPPER 40S WITH HIGHS SATURDAY ONLY IN THE LOWER TO MIDDLE 50S. GUSTY WINDS ONCE AGAIN WITH TIGHT PRESSURE GRADIENT WILL MAKE IT FEEL EVEN COOLER. AN UPPER LOW WAS OVER SOUTHERN MISSISSIPPI EARLY THIS AFTERNOON WITH A VERY MOIST FETCH AHEAD OF THE SYSTEM OVER THE SOUTHEASTERN UNITED STATES. ESPECIALLY THE TRENDING TOWARD A MORE PRONOUNCED UPPER LEVEL RIDGE OVER THE CENTRAL UNITED STATES. THE BLOCKING PATTERN UPSTREAM WILL PERSIST.
/ISSUED 349 PM CDT FRI OCT 2 2015/ UPPER LEVEL RIDGE AXIS CONTINUES TO GRADUALLY SHIFT EASTWARD THIS AFTERNOON/EVENING AND IS MORE OR LESS CENTERED ACROSS WEST TEXAS EXTENDING FROM SOUTHWEST KANSAS SSW THROUGH THE TEXAS PANHANDLE AND SOUTH PLAINS INTO SOUTHEAST NEW MEXICO. HIGHS WILL GENERALLY BE IN THE LOW 70S TO THE NORTH AND INCREASING GRADUALLY AS YOU MOVE SOUTH INTO THE UPPER 70S FOR SATURDAY.
/ISSUED 249 PM CDT FRI OCT 2 2015/ AN UPPER LEVEL LOW PRESSURE SYSTEM.
AN UPPER LOW WILL CONTINUE TO ROTATE MOISTURE AND WEAK LIFT INTO THE SOUTHERN APPALACHIAN REGION TONIGHT.
THE LOWER MOISTURE COULD HAND AROUND A LITTLE LONGER DURING THE DAY.
MAIN BRANCH OF ENERGY IS STILL OVER NORTHERN UTAH WITH CURRENT MODEL RUNS SHOWING THE PROGRESSION OF THE TROUGH SLOWING AND EVEN RETROGRADING WESTWARD BY TOMORROW AFTERNOON WITH THE NEXT DISTURBANCE OVER THE WEST. CLOSED UPPER LOW MOVING EAST AND NORTHEAST ACROSS NORTHERN UTAH THIS AFTERNOON WITH RESULTANT INCREASING SOUTHWEST FLOW ALOFT OVER COLORADO. MORE CONVECTIVE CLOUDS BEGINNING TO DEVELOP OVER MOUNTAINS AS TROF APPROACHES. THERE IS GOOD QG ASCENT WITH THIS TROF AND THE THINKING SHOULD BE ABLE TO OVERCOME THE STABILITY ISSUE. MEANWHILE DENVER CYCLONE INTENSIFYING WITH CONVERGENCE BOUNDARY ODDLY STRETCHED FROM HIGHLANDS RANCH AND STRETCHING NORTHEAST THROUGH EAST DENVER AND DIA. THE UPPER LOW WILL WEAKEN OVERNIGHT AND BEGIN TO EJECT NORTHEAST INTO WESTERN WYOMING TOWARDS MORNING.
MARINE SMALL CRAFT ADVISORIES AND GALE WARNINGS REMAIN IN EFFECT DUE TO THE TIGHT PRESSURE GRADIENT BETWEEN CANADIAN HIGH PRESSURE AND THE LOW PRESSURE SYSTEM OVER THE EAST COAST.
/ISSUED 340 PM CDT FRI OCT 2 2015/ (Tonight and Tomorrow) The forecast area will be under the influence of an upper ridge through tomorrow concomitant with dry weather, light winds and mostly clear skies. With a cooler and drier airmass in place. By Saturday night, an upper level closed low will be driving south along the California coast. This will result in lowering heights over our area in increasingly southwest flow as the upper level ridge edges east.
917 PM CDT FRI OCT 2 2015 SKIES WILL REMAIN MOSTLY CLEAR THROUGH THE MAJORITY OF THE OVERNIGHT HRS ALTHOUGH A FEW HIGH CLOUDS MAY MOVE INTO THE AREA FROM THE WEST AND SOME STRATOCU THAT HAS BEEN PERSISTING ACROSS THE LOWER MS VALLEY MAY WORK INTO OUR FAR ERN ZONES IN SRN AR/N CNTRL LA. THE LOWER MOISTURE COULD HAND AROUND A LITTLE LONGER DURING THE DAY.
CUT-OFF UPPER LOW OVER FL PANHANDLE AND MAJOR HURRICANE JOAQUIN NEAR THE CENTRAL BAHAMAS. THE BAND OF CONVECTION IS BEING SUPPORTED BY STRONG DIVERGENCE ALOFT ON THE EAST SIDE OF THE UPPER LOW. DRY NW LOW LVL WINDS ON SATURDAY ON THE BACK SIDE OF THE LOW PRESSURE SYSTEM OFFSHORE AND JOAQUIN FARTHER OFFSHORE WILL LOWER PWATS SUBSTANTIAL WITH LITTLE CHANCE FOR RAIN WITH HARDLY ANY PRECIP GENERATED BY THE 12Z GFS AND ECMWF MODELS.
1107 PM CDT FRI OCT 2 2015 UPPER RIDGE ACROSS THE HIGH PLAINS EDGES EASTWARD ON SATURDAY WHICH MAY ALLOW SPOTTY SHOWERS TO AFFECT NORTHEAST NEBRASKA.
816 PM EDT FRI OCT 2 2015 AVIATION HIGH PRESSURE OVER HUDSON BAY CONTINUES TO PUSH COOL DRY AIR ACROSS LOWER MICHIGAN. THE TIGHT PRESSURE GRADIENT BETWEEN THE HUDSON BAY HIGH AND THE HURRICANE REMAINS INTACT AND IS CREATING GUSTY NORTHEAST WINDS THAT WILL PUSH A BACKDOOR COLD FRONT THROUGH THE CWA TONIGHT. SATURDAY HIGHS WILL BE A FEW DEGREES COOLER.
717 PM EDT FRI OCT 2 2015 A STALLED FRONTAL BOUNDARY WILL REMAIN DRAPED ACROSS SOUTHERN NEW ENGLAND AS HIGH PRESSURE BUILDS BY TO THE NORTH TONIGHT THROUGH SATURDAY.
1045 PM CDT FRI OCT 2 2015 DRY PATTERN CONTINUES TONIGHT AND SATURDAY AS A BROAD DOME OF HIGH PRESSURE PERSISTS OVER EASTERN CANADA AND THE UPPER MIDWEST. LOWS TONIGHT WILL REACH THE THE UPPER 30S TO UPPER 40S WITH HIGHS SATURDAY IN THE LOWER 50S FAR WEST TO LOWER FAR EAST 60S. FORECAST AREA CAUGHT IN BETWEEN TROUGH ACROSS THE EASTERN SEA BOARD AND TROUGH TRYING TO ADVANCE EASTWARD ACROSS THE WEST.
THE COLD FRONT PASSING THROUGH THE REGION TODAY WILL CONTINUE TO TREK EASTWARD AS THE EVENING PROGRESSES. TEMPERATURES TONIGHT WILL BE ABOUT 10 DEGREES COOLER THAN THE LAST FEW NIGHTS. THE SECOND AND STRONGER CLOSED LOW CIRCULATION WILL BE DIVING SOUTHWARD TOWARD THE CALIFORNIA COAST.
708 PM EDT FRI OCT 2 2015 A LARGE AREA OF HIGH PRESSURE ANCHORED OVER ONTARIO AND QUEBEC WILL CONTINUE TO PROVIDE SEASONABLY COOL TEMPERATURES AND A DRY NORTHERLY FLOW TO THE NORTH COUNTRY FOR TONIGHT AND THROUGH THE UPCOMING WEEKEND. THE COMBINATION OF CLOUDS AND 925MB TEMPS RISING A DEGREE OR 2 CELSIUS TONIGHT WILL OFFER LOWS A COUPLE DEGREES WARMER THAN LAST NIGHT, WITH LIKELY LITTLE TO NO FROST OR FOG. THOUGH MEAN LOWS WILL BE IN THE 35-40 DEGREE RANGE, THERE WILL BE A FEW POCKETS OF FREEZING TEMPERATURES OUT THERE BUT NOT ENOUGH COVERAGE TO WARRANT ANY HEADLINES.
608 PM CDT FRI OCT 2 2015 UPPER RIDGE ACROSS THE HIGH PLAINS EDGES EASTWARD ON SATURDAY WHICH MAY ALLOW SPOTTY SHOWERS TO AFFECT NORTHEAST NEBRASKA.
ANY CEILINGS SHOULD REMAIN WELL ABOVE FL030 AS DRIER AIR FILTERS IN FROM THE EAST IN THE LOW LEVELS. /ISSUED 349 PM CDT FRI OCT 2 2015/ UPPER LEVEL RIDGE AXIS CONTINUES TO GRADUALLY SHIFT EASTWARD THIS AFTERNOON/EVENING AND IS MORE OR LESS CENTERED ACROSS WEST TEXAS EXTENDING FROM SOUTHWEST KANSAS SSW THROUGH THE TEXAS PANHANDLE AND SOUTH PLAINS INTO SOUTHEAST NEW MEXICO. HIGHS WILL GENERALLY BE IN THE LOW 70S TO THE NORTH AND INCREASING GRADUALLY AS YOU MOVE SOUTH INTO THE UPPER 70S FOR SATURDAY.
946 PM EDT FRI OCT 2 2015 A STALLED FRONTAL BOUNDARY WILL REMAIN DRAPED ACROSS SOUTHERN NEW ENGLAND AS HIGH PRESSURE BUILDS BY TO THE NORTH TONIGHT THROUGH SATURDAY.
842 PM CDT FRI OCT 2 2015 HIGH CLOUDS ARE MOVING THROUGH THE DIRTY RIDGE TO THE WEST HAVE SPREAD INTO THE WESTERN COUNTIES THIS EVENING AND WILL SPREAD OVER THE REST OF THE CWA THROUGH DAYBREAK.
HAVE INCREASED WIND SPEED WORDING IN LATEST ADVISORY PRODUCT AND MENTIONED THE HIGHER WINDS WITH SHOWERS. H500 BLOCKING PATTERN OVER THE EASTERN US WILL KEEP THE H500 TROUGH OVER THE WESTERN US MEANDERING INTO THE NORTHERN PLAINS TONIGHT AND SATURDAY. BUT THE BLOCKING FLOW TO THE EAST SHOULD KEEP THE MAIN CHANCE FOR SHOWERS ACROSS THE WEST AGAIN SATURDAY. NO FREEZING TEMPS IN THE NEAR TERM.
642 PM CDT FRI OCT 2 2015 UPPER LEVEL LOW LOCATED OVER THE DEEP SOUTH. THIS THE RESULT OF THE UPPER LEVEL LOW CIRCULATION NOT MOVING MUCH UNTIL AT LEAST THE FIRST PART OF SUN AS IT SLOWLY DRIFTS SEWD. RIDGING INFLUENCES SFC/ALOFT WILL KEEP THE MID STATE DRY THRU MOST OF NEXT WORK WEEK. HIGHS WILL BE ONLY MAINLY IN THE LOW 60S ON SAT.
WATER VAPOR SATELLITE TRENDS THIS EVENING CENTER AN UPPER LEVEL LOW NEAR MOBILE ALABAMA THIS EVENING. /ISSUED 249 PM CDT FRI OCT 2 2015/ AN UPPER LEVEL LOW PRESSURE SYSTEM.
AN UPPER LOW WILL CONTINUE TO ROTATE OVER THE SOUTHERN APPALACHIAN REGION THROUGH THE TAF PERIOD.
1145 PM CDT FRI OCT 2 2015 UPPER LEVEL LOW LOCATED OVER THE DEEP SOUTH. SHOWER ACTIVITY WILL INCREASE IN COVERAGE FOR THE CSV AREA AS THE UPPER TROUGH AXIS BEGINS TO TILT NEGATIVELY. /ISSUED / UPPER LOW SITUATED OVER THE DEEP SOUTH THIS EVENING. /ISSUED / UPPER LEVEL LOW LOCATED OVER THE DEEP SOUTH. THIS THE RESULT OF THE UPPER LEVEL LOW CIRCULATION NOT MOVING MUCH UNTIL AT LEAST THE FIRST PART OF SUN AS IT SLOWLY DRIFTS SEWD. RIDGING INFLUENCES SFC/ALOFT WILL KEEP THE MID STATE DRY THRU MOST OF NEXT WORK WEEK. HIGHS WILL BE ONLY MAINLY IN THE LOW 60S ON SAT.
A CLOSED UPPER LOW OVER THE SOUTHEAST STATES WILL CONTINUE TO SPREAD CLOUDS AND A CHANCE OF SHOWERS NORTHWARD INTO CENTRAL INDIANA THROUGH TONIGHT. THIS UPPER LOW WILL EVENTUALLY MERGE WITH HURRICANE JOAQUIN AND THESE SYSTEMS WILL MOVE OFF THE EASTERN SEABOARD AND TOWARD THE MARITIMES.
1100 PM CDT FRI OCT 2 2015 LATEST WATER VAPOR SATELLITE IMAGERY SHOWS UPPER LEVEL RIDGE OVER CENTRAL UNITED STATES EXTENDING INTO SOUTHERN CANADA. UPPER LEVEL TROUGH OVER THE WESTERN UNITED STATES AND UPPER LEVEL CUT-OFF LOW OVER SOUTHEAST UNITED STATES. LATEST 19Z SURFACE ANALYSIS INDICATES HIGH PRESSURE OVER SOUTHERN ONTARIO AND LAKE SUPERIOR.
604 PM CDT FRI OCT 2 2015 DRY PATTERN CONTINUES TONIGHT AND SATURDAY AS A BROAD DOME OF HIGH PRESSURE PERSISTS OVER EASTERN CANADA AND THE UPPER MIDWEST. LOWS TONIGHT WILL REACH THE THE UPPER 30S TO UPPER 40S WITH HIGHS SATURDAY IN THE LOWER 50S FAR WEST TO LOWER FAR EAST 60S. FORECAST AREA CAUGHT IN BETWEEN TROUGH ACROSS THE EASTERN SEA BOARD AND TROUGH TRYING TO ADVANCE EASTWARD ACROSS THE WEST.
1159 PM CDT FRI OCT 2 2015 FOR 06Z TAFS /ISSUED 847 PM CDT FRI OCT 2 2015/ THE STAGNANT UPPER LEVEL LOW HAS SHIFTED SLIGHTLY FURTHER SOUTH TO THE FL/AL COASTS. THE SATURATED LOWER LEVELS OF THE ATMOSPHERE AND FORCING ASSOCIATED WITH THE LOW SHOULD PROVIDE JUST ENOUGH FORCING FOR PATCHY DRIZZLE FOR THE ENTIRE TN VALLEY.
Minor grid updates to primarily increase pops and a few locations wind and wind gust amounts as showers fill in an area generally north of I-90 ahead of a robust cold front dropping down from Canada. A cold front dropping down from the north will bring substantial northerly winds which will result in very windy and gusty conditions with some blowing dust at times near recently worked fields as early as 3Z Saturday for locations in the Okanogan valley down to parts of the Columbia Basin and a bit later.
/ISSUED 340 PM CDT FRI OCT 2 2015/ (Tonight and Tomorrow) The forecast area will be under the influence of an upper ridge through tomorrow concomitant with dry weather, light winds and mostly clear skies. With a cooler and drier airmass in place. (Saturday night through next Friday) By Saturday night, an upper level closed low will be driving south along the California coast. This will result in lowering heights over our area in increasingly southwest flow as the upper level ridge edges east.
THE LOWER LEVELS HAVE STABILIZED AND THERE ARE A FEW RELATIVELY ROBUST INHIBITING LAYERS ALOFT IN REGARDS TO CONVECTION. RECENT OBS AND ANALYSIS ALONG AND AROUND THE LOWER KEYS SHOW WINDS ARE CURRENTLY SURGING FROM THE NORTHWEST.
847 PM CDT FRI OCT 2 2015 THE STAGNANT UPPER LEVEL LOW HAS SHIFTED SLIGHTLY FURTHER SOUTH TO THE FL/AL COASTS. THE SATURATED LOWER LEVELS OF THE ATMOSPHERE AND FORCING ASSOCIATED WITH THE LOW SHOULD PROVIDE JUST ENOUGH FORCING FOR PATCHY DRIZZLE FOR THE ENTIRE TN VALLEY.
/ISSUED 306 PM CDT FRI OCT 2 2015/ CURRENT 20Z SURFACE ANALYSIS SHOWS WHAT IS LEFT OF THE COLD FRONT, NOW MOSTLY A PRESSURE TROUGH, HUGGING THE COAST WHILE A STATIONARY FRONT EXTENDS BACK ACROSS THE RIO GRANDE VALLEY INTO EXTREME WESTERN TEXAS. OTHERWISE, QUIET AND TRANQUIL CONDITIONS WILL PERSIST ACROSS THE REGION THIS WEEKEND WITH HIGH PRESSURE PRESSING IN FROM THE NORTH- NORTHWEST. A FEW MORE CLOUDS ACROSS THE WEST WITH SOME UPPER-LEVEL MOISTURE STREAMING IN FROM THE SOUTH-SOUTHWEST ON THE BACK SIDE OF THE RIDGE. TEMPERATURES EXPECTED TO TOP OUT A FEW DEGREES COOLER THAN ON FRIDAY.
951 PM EDT FRI OCT 2 2015 HIGH PRESSURE FROM NORTHERN CANADA WILL SLOWLY BUILD ACROSS THE REGION THROUGH THE WEEKEND. SATELLITE WV IMAGERY SHOWED UPPER LOW NEARBY W/SOME LLVL CONVERGENCE NOTED IN THE 01Z MESO ANALYSIS. A MORE DEFINED PATTERN OF RIDGE/VLY RADITIONAL COOLING OVRNGT LOWS SHOULD EMERGE BY ERLY SUN MORN.
DRY AIR IS MOVING IN FROM THE WEST AHEAD OF THE UPPER LEVEL TROUGH APPROACHING FROM BRITISH COLUMBIA.
647 PM CDT FRI OCT 2 2015 Our beautiful run of fall conditions will persist through the weekend with some warmer temperatures expected next work week. This has left a bit of a ridge languishing across the middle of the Nation which has allowed some cool fall conditions to filter south across the Central Plains over the later potion of the past work week. In general, conditions wont change much through the weekend, with most notable changes waiting till well into next work week as the trough over the western CONUS shifts slowly east into the Plains States.
1201 AM EDT SAT OCT 3 2015 AVIATION HIGH PRESSURE OVER HUDSON BAY CONTINUES TO PUSH COOL DRY AIR ACROSS LOWER MICHIGAN. THE TIGHT PRESSURE GRADIENT BETWEEN THE HUDSON BAY HIGH AND THE HURRICANE REMAINS INTACT AND IS CREATING GUSTY NORTHEAST WINDS THAT WILL PUSH A BACKDOOR COLD FRONT THROUGH THE CWA TONIGHT. SATURDAY HIGHS WILL BE A FEW DEGREES COOLER.
642 PM CDT FRI OCT 2 2015 FOR 00Z TAFS /ISSUED 122 PM CDT FRI OCT 2 2015/ RAINFALL THUS FAR TODAY HAS STAYED PRIMARILY ACROSS MIDDLE TN ASSOCIATED WITH ONE OF THE WAVES ROTATING AROUND THE NORTHERN PORTION OF THE UPPER LOW. WATER VAPOR IMAGERY SHOWS THE LOW SITTING OVER THE WESTERN FL PANHANDLE WITH A LARGE AMOUNT OF MID-UPPER LEVEL DRY AIR STREAMING S THRU THE MS VALLEY AND WRAPPING BACK NORTHWARD INTO WESTERN GA AND NORTHERN AL. ON SATURDAY, THE UPPER LOW PIVOTS MORE LATITUDINALLY ACROSS SRN AL/GA/FL PANHANDLE OWING TO TEMPORARY NVA ACROSS THE TN VALLEY. THE CURRENT WARM/MOIST CONVEYOR BELT/INVERTED SFC- 8H TROF AXIS ALONG THE ATLANTIC COAST ALSO PIVOTS WEST INTO GA AND EVENTUALLY EASTERN AL LATER SATURDAY INTO SATURDAY NIGHT.
753 PM EDT FRI OCT 2 2015 A LARGE AREA OF HIGH PRESSURE ANCHORED OVER ONTARIO AND QUEBEC WILL CONTINUE TO PROVIDE SEASONABLY COOL TEMPERATURES AND A DRY NORTHERLY FLOW TO THE NORTH COUNTRY FOR TONIGHT AND THROUGH THE UPCOMING WEEKEND. THE COMBINATION OF CLOUDS AND 925MB TEMPS RISING A DEGREE OR 2 CELSIUS TONIGHT WILL OFFER LOWS A COUPLE DEGREES WARMER THAN LAST NIGHT, WITH LIKELY LITTLE TO NO FROST OR FOG. THOUGH MEAN LOWS WILL BE IN THE 35-40 DEGREE RANGE, THERE WILL BE A FEW POCKETS OF FREEZING TEMPERATURES OUT THERE BUT NOT ENOUGH COVERAGE TO WARRANT ANY HEADLINES.
EXPECT THE TREND OF INCREASING PRECIPITATION OVERNIGHT AS AN UPPER LOW MOVES SOUTH INTO THE REGION.
1150 PM CDT FRI OCT 2 2015 The very nice weather across the region will continue through tonight and for the beginning of the weekend as cool Canadian high pressure and short wave ridging controls the regions weather. Light breezes from the northeast will also continue with the high to our northeast. Temperatures will fall into the lower to middle 40s across the are tonight with afternoon highs on Saturday expected to be similar to today with highs in the 60s.
712 PM CDT FRI OCT 2 2015 UPPER LOW SITUATED OVER THE DEEP SOUTH THIS EVENING. /ISSUED / UPPER LEVEL LOW LOCATED OVER THE DEEP SOUTH. THIS THE RESULT OF THE UPPER LEVEL LOW CIRCULATION NOT MOVING MUCH UNTIL AT LEAST THE FIRST PART OF SUN AS IT SLOWLY DRIFTS SEWD. RIDGING INFLUENCES SFC/ALOFT WILL KEEP THE MID STATE DRY THRU MOST OF NEXT WORK WEEK. HIGHS WILL BE ONLY MAINLY IN THE LOW 60S ON SAT.
625 PM CDT FRI OCT 2 2015 The very nice weather across the region will continue through tonight and for the beginning of the weekend as cool Canadian high pressure and short wave ridging controls the regions weather. Light breezes from the northeast will also continue with the high to our northeast. Temperatures will fall into the lower to middle 40s across the are tonight with afternoon highs on Saturday expected to be similar to today with highs in the 60s.
AN UPPER LEVEL LOW WILL MOVE ACROSS WESTERN WASHINGTON TONIGHT GIVING CLOUDY SKIES AND SCATTERED SHOWERS. SKIES WILL CLEAR FROM THE NORTH SATURDAY AS THE LOW DEPARTS TO THE SOUTH.
HIGH CLOUDS ARE MOVING THROUGH THE DIRTY RIDGE TO THE WEST HAVE SPREAD INTO THE WESTERN COUNTIES THIS EVENING AND WILL SPREAD OVER THE REST OF THE CWA THROUGH DAYBREAK.
1041 PM EDT FRI OCT 2 2015 A LARGE AREA OF HIGH PRESSURE ANCHORED OVER ONTARIO AND QUEBEC WILL CONTINUE TO PROVIDE SEASONABLY COOL TEMPERATURES AND A DRY NORTHERLY FLOW TO THE NORTH COUNTRY OVERNIGHT AND THROUGH THE UPCOMING WEEKEND.
QUASI-STATIONARY FRONT JUST TO OUR NORTH WILL WADDLE OVER THE NEXT 24 HOURS WHILE AT THE SAME TIME A DIGGING SHORT WAVE IS DROPPING DOWN THE BACKSIDE OF BROAD UPPER TROUGH INTO SOUTHERN ILLINOIS.
1156 AM EDT FRI JUL 3 2015 HIGH PRESSURE WILL BE OVER THE REGION THROUGH TONIGHT. A QUIET/WARMER HOLIDAY WEEKEND IS IN STORE FOR THE LOCAL AREA AS UPPER RIDGE AMPLIFYING INTO THE WESTERN GREAT LAKES HELPS MAINTAIN HIGH PRESSURE AT THE SFC.
1102 AM CDT FRI JUL 3 2015 313 AM CDT SATELLITE IMAGERY EARLY THIS MORNING SHOWS A WEAK UPPER LEVEL LOW OVER THE MID MISSISSIPPI VALLEY PRODUCING EXTENSIVE MID-HIGH LEVEL CLOUDINESS OVER THE REGION. CLOUD COVER SHOULD HELP KEEP TEMPS A BIT COOLER THAN PREVIOUSLY FORECAST AND HAVE NUDGED HIGHS DOWN A BIT. BUT MAGNITUDE OF LAKE COOLING SHOULD BE FAR LESS AND WITH AMPLE SUNSHINE TEMPS WILL BE MUCH WARMER THAN TODAY AND CLOSER TO SEASONAL NORMS.
705 AM EDT FRI JUL 3 2015 A WEAK LOW PRESSURE SYSTEM MOVING EAST ALONG A STATIONARY FRONT OVER THE OHIO VALLEY MAY CAUSE A FEW SHOWERS OVER CENTRAL INDIANA AND OHIO TODAY. OTHERWISE HIGH PRESSURE OVER LOWER MICHIGAN WILL CONTINUE TO PROVIDE FAIR WEATHER ACROSS THE AREA WITH HIGHS MAINLY IN THE MID 70S. A QUIET/WARMER HOLIDAY WEEKEND IS IN STORE FOR THE LOCAL AREA AS UPPER RIDGE AMPLIFYING INTO THE WESTERN GREAT LAKES HELPS MAINTAIN HIGH PRESSURE AT THE SFC.
701 AM EDT FRI JUL 3 2015 HIGH PRESSURE OVER LOWER MICHIGAN THIS MORNING WILL HOLD OVER THE TAF PERIOD. TONIGHT THE FOCUS WILL BE ON THE NORTHERN STREAM TROUGH WORKING THROUGH THE NORTHERN GREAT LAKES.
ELONGATED AXIS OF HIGH PRESSURE STRETCHES FROM CENTRAL PLAINS THROUGH EASTERN LAKES. VERY WEAK TROUGH AND WEAK UPPER WAVE WILL NECESSITATE VRY SML POPS FOR SATURDAY.
927 AM MDT FRI JUL 3 2015 CURRENT FORECAST ON TRACK WITH SMOKE MIXING OUT A BIT QUICKER OVER EASTERN MONTANA DUE TO A NORTHWESTERLY PUSH ACROSS ALBERTA WEAKENING THE SMOKE PUSH INTO THE LOWER 48. THE HOLIDAY WEEKEND WILL END ON A MUCH COOLER NOTE.
BUT A WEAK COLD FRONT WILL SAG INTO NORTHERN AR AND SWITCH WINDS TO W TO NW AT 5 TO 10 MPH THROUGH THE DAY.
634 AM CDT FRI JUL 3 2015 AREA OF HIGH PRESSURE CURRENTLY STRETCHING ACROSS NORTHERN IOWA INTO SRN WI WILL CONTINUE TO DOMINATE THE REGION TODAY. THIS WILL BRING DRY CONDITIONS WITH SKIES EXPECTED TO CLEAR AS THE HIGH CLOUDS MOVE OUT OF THE STATE THROUGH THE MORNING HOURS. WARMER AIR IN PLACE TODAY ALONG WITH MORE SUN. WINDS WILL REMAIN LIGHT WITH THE HIGH OVERHEAD.
/ISSUED 334 AM EDT FRI JUL 3 2015/ PERSISTENT RIDGING ACROSS THE WESTERN ATLANTIC WILL AGAIN ALLOW EAST TO EAST-SOUTHEASTERLY STEERING FLOW TO PREVAIL ACROSS THE AREA THROUGH THE DAY. OVER THE COURSE OF THE WEEKEND RIDGING IS EXPECTED TO REMAIN THE PREDOMINANT SYNOPTIC FEATURE ACROSS SOUTH FLORIDA KEEPING CHANCES FOR DIURNALLY DRIVEN SHOWERS AND THUNDERSTORMS EACH DAY.
WITH A FEW DEGREES OVER 100 IN THE LOWER ELEVATIONS. UPPER HIGH STRETCHED ACROSS THE GREAT BASIN WILL START A SLOW RETREAT SOUTH AND EAST OVER THE NEXT COUPLE OF DAYS. AS THE UPPER RIDGE AXIS PULLS EAST OF THE AREA.
AND DEPICTS LOW AMPLITUDE TROUGHING OVER THE CENTRAL AND EASTERN CONUS. A NEGATIVELY TILTED MID AND UPPER WARM CORE RIDGE IS ORIENTED FROM NEVADA TO NEAR EL PASO TEXAS. ACROSS THE LOWER LATITUDES AND CLOSER TO THE FLORIDA KEYS. A POSITIVELY TILTED UPPER TROUGH AXIS. WITH THE REGIONAL SCALE CENTER OF A MID AND UPPER RIDGE NEAR ABACO ISLAND. AT THE SURFACE AND IN THE LOWER TO MID LEVELS. AND ONE WHICH MAY OR MAY NOT SURVIVE ITS SHORT FROM NEAR THE REEF ON A SHORT TRANSIT TOWARDS THE LOWER KEYS ATTM.
701 AM EDT FRI JUL 3 2015 LOW PRESSURE WILL TRACK EAST. AS LOW PRESSURE MOVES EAST ALONG THIS BOUNDARY. HIGH PRESSURE WILL BEGIN TO BUILD IN SATURDAY DRYING OUT THE REGION.
643 AM CDT Fri Jul 3 2015 Surface observations across the area indicate a lack of any discernible weather-making boundaries, with weak flow as an area of weak low pressure sits over the Southern Plains. Through the morning hours this trough will continue its trek to the south/southeast, dragging with it the better chances for rain.
A STRONG H7 THETA-E RIDGE THROUGH CENTRAL AND NORTHERN SONORA ARGUES FOR A POSSIBLE COMPLEX JUST SOUTH OF THE INTERNATIONAL BORDER EARLY THIS EVENING. ACTIVITY WILL BE SLOW TO START THIS AFTERNOON AND MAINLY BE RELEGATED TO THE HIGHER TERRAIN.
1224 PM EDT FRI JUL 3 2015 HIGH PRESSURE WILL BUILD ACROSS THE REGION THROUGH SATURDAY.
ESPECIALLY OVER THE HIGHER ELEVATIONS. THE MID LEVEL RIDGE AXIS STRETCHES NW-SE THROUGH EASTERN AZ THIS MORNING.
904 AM CDT FRI JUL 3 2015 313 AM CDT SATELLITE IMAGERY EARLY THIS MORNING SHOWS A WEAK UPPER LEVEL LOW OVER THE MID MISSISSIPPI VALLEY PRODUCING EXTENSIVE MID-HIGH LEVEL CLOUDINESS OVER THE REGION. CLOUD COVER SHOULD HELP KEEP TEMPS A BIT COOLER THAN PREVIOUSLY FORECAST AND HAVE NUDGED HIGHS DOWN A BIT. BUT MAGNITUDE OF LAKE COOLING SHOULD BE FAR LESS AND WITH AMPLE SUNSHINE TEMPS WILL BE MUCH WARMER THAN TODAY AND CLOSER TO SEASONAL NORMS.
WEAKENING RIDGE OVER THE NRN GULF ALLOWING FOR INCREASING LOW-LEVEL MOISTURE AND PERHAPS A MORE ACTIVE SEABREEZE LATER TODAY. DAYTIME HEATING THIS AFTERNOON COUPLED WITH A WEAK 500 MB TROUGH WILL ALLOW FOR ADDITIONAL SHRA/TSRA THIS AFTERNOON/EVENING. THE UPPER LEVEL TROUGH WILL STILL BE IN THE AREA ON SATURDAY AND PW VALUES ARE PROGGED TO INCREASE TO AROUND 2. 00 INCHES CONVECTIVE TEMPS ARE BETWEEN 87-90 DEGREES WITH THE LOWER VALUES NEAR THE COAST. WILL MAINTAIN CHANCE POPS FOR NOW WITH THE HIGHEST POPS OVER THE CENTRAL ZONES.
LINGERING MOISTURE AND SLIGHT POSITIVE VORTICITY ADVECTION WILL CREATE THE POSSIBILITY OF AN ISOLATED SHOWER OR THUNDERSTORM THIS AFTERNOON OVER THE HIGHEST PEAKS OF THE SAN BERNARDINO COUNTY MOUNTAINS. A FEW CU/TCU WILL LIKELY DEVELOP OVER THE MOUNTAIN RIDGES THIS AFTERNOON.
618 AM CDT FRI JUL 3 2015 313 AM CDT SATELLITE IMAGERY EARLY THIS MORNING SHOWS A WEAK UPPER LEVEL LOW OVER THE MID MISSISSIPPI VALLEY PRODUCING EXTENSIVE MID-HIGH LEVEL CLOUDINESS OVER THE REGION. CLOUD COVER SHOULD HELP KEEP TEMPS A BIT COOLER THAN PREVIOUSLY FORECAST AND HAVE NUDGED HIGHS DOWN A BIT. BUT MAGNITUDE OF LAKE COOLING SHOULD BE FAR LESS AND WITH AMPLE SUNSHINE TEMPS WILL BE MUCH WARMER THAN TODAY AND CLOSER TO SEASONAL NORMS.
1006 AM EDT FRI JUL 3 2015 LOW PRESSURE WILL TRACK EAST. AS LOW PRESSURE MOVES EAST ALONG THIS BOUNDARY. HIGH PRESSURE WILL BEGIN TO BUILD IN SATURDAY DRYING OUT THE REGION.
WITH BOTH THE ARW AND HRRR SHOWING A SLIGHTLY BETTER CHANCE OF SRN TIER ZONES WHERE WILL CONTINUE WITH 20-30 PERCENT CHANCES ALONG THE NORTHERN EDGE OF THE SUBTROPICAL RIDGE. THE SUBTROPICAL RIDGE REMAINS SOUTH OF THE REGION FROM THE BAHAMAS TO CENTRAL FLORIDA WHERE WSW TO W FLOW WILL CONTINUE ACROSS THE REGION. 850 MB TEMPS A TAD HIGHER SUGGEST HIGHS A COUPLE OF DEGREES WARMER WITH HIGHS IN THE MID 90S WITH AFTN E COAST SEA BREEZE ALLOWING FOR HIGHS IN THE LOWER 90S AT THE COAST.
/ISSUED 309 AM CDT FRI JUL 3 2015/ NORTH TEXAS IS CURRENTLY WEDGED BETWEEN A BROAD UPPER TROUGH ACROSS THE EASTERN HALF OF THE CONUS AND AN UPPER RIDGE ACROSS THE WEST. AND THE LOCATION OF THE HIGHEST COVERAGE OF SHOWERS AND STORMS WILL DEPEND ON WHERE MESOSCALE BOUNDARIES LIE. THE HIGHEST POPS WILL CONTINUE ACROSS THE NORTHERN-MOST COUNTIES WHERE SOME LIKELY POPS WILL BE IN PLACE.