Aikyam-Lab/Synoptic-Bench huggingface dataset:
THE DISSIPATION OF THE FRONT WILL ALLOW HIGH PRESSURE TO BECOME REESTABLISHED OVER THE REGION AND LEAD TO VFR CLEAR CONDITIONS WITH LIGHT WIND OVERNIGHT THROUGH SUNDAY. THIS EVENING AND TONIGHT SE MICHIGAN AT THE INFLECTION POINT BETWEEN THIS FEATURE AND THE INBOUND UPPER RIDGE NOW CENTERED OVER THE MISSISSIPPI RIVER. UPPER RIDGE AXIS SETTLING ACROSS THE REGION BY MID MORNING SUNDAY. LACK OF FORCING AND A STRONG 700MB INVERSION WILL MAINTAIN CLEAR SKIES AND SUPPORT A DRY FORECAST WHILE MIXING TO 850MB TEMPERATURES AROUND 12C SUPPORTS HIGHS AT LEAST IN THE LOW 80S.
1236 AM EDT SUN JUL 5 2015 HIGH PRESSURE WILL ENSURE A DRY AND SEASONABLY WARM CLOSE TO THE HOLIDAY WEEKEND FOR MOST AREAS.
OVERNIGHT CONVECTION IN THE HIGH PLAINS HAS A CHANCE TO PROPOGATE THIS FAR EAST LATE TONIGHT.
UPPER TROUGH AXIS IS STILL ACROSS THE REGION SO SOME REDEVELOPMENT OF SHWRS/TSTMS WILL BE POSSIBLE THROUGH THE NIGHT. HAVE UPDATED THE MIN TEMP GRIDS TO REFLECT THE LOWS THAT HAVE ALREADY BEEN MET AND THEN EDITED THE HOURLY TEMP CURVE TO ACCOUNT FOR THE SLIGHT WARMING EXPECTED IN THOSE COOL SPOTS.
An upper level trough will move through the region tonight and Sunday, continuing to slowly shift eastward Sunday night. Moisture will increase again on the eastern side of this trough tonight with showers and storms developing again. It could end up that the higher coverage of storms is just to the east of the forecast area.
1155 PM CDT SAT JUL 4 2015 UNSETTLED AIRMASS IN THE BASE OF UPPER TROUGH PASSING THROUGH MID-MISSISSIPPI VALLEY MAY HAVE SOME NOCTURNAL DEVELOPMENT OF SHOWERS AND THUNDERSTORMS. /ISSUED 337 PM CDT SAT JUL 4 2015/ WEAK SHORT WAVE MOVING THROUGH THE BASE OF THE BROAD MID LEVEL TROUGH OVER THE MID SOUTH REGION HAS ENHANCED CONVECTION ACROSS SOUTH LOUISIANA AND SOUTH MISSISSIPPI TODAY. WITH MID LEVEL TROUGH STILL LINGERING OVER THE AREA SUNDAY.
1003 PM MDT SAT JUL 4 2015 THE WESTERN PORTION OF THE RIDGE IS BEING DEFORMED AS A TROUGH LIFTS THROUGH SE UTAH THIS EVENING. ELSEWHERE SUNDAY WILL BE A WET DAY FAVORING NW COLORADO IN THE AFTERNOON AS THE PASSING TROUGH PRODUCES ORGANIZED FORCING.
/ISSUED 326 PM CDT Sat Jul 4 2015/ (Tonight and Tomorrow) An upper high continues to dominate the southwestern states this afternoon with the forecast area remaining on its eastern periphery under a northwest flow aloft. The center of the upper high is forecast to move to the southeast through tomorrow with its center over West Texas by late tomorrow. The forecast area will come under a more northerly flow aloft as the northwest flow aloft shifts a little more to our east concomitant with the movement of the upper low. Expect highs tomorrow ranging from the lower 90s over the southern CWA to the mid 90s over the northern CWA.
/ISSUED 153 PM CDT SAT JUL 4 2015/ Upper ridge centered over the 4 corners region this morning will slide SE into Northern Mexico by Sunday. The center of this ridge will wobble around Mexico for a few days before returning northward to TX and NM.
THERE WILL LIKELY BE SOME RE-DEVELOPMENT OVERNIGHT AS THE UPPER LOW MOVES ACROSS THE REGION. MOST OF THE PRECIP LOOKS TO REMAIN SOUTH TONIGHT AS THE LOW DRIFTS SLIGHTLY NORTHWARD AS IT TRAVELS TO THE EAST. IT LOOKS LIKE AREAS IN THE SOUTH AND EAST WILL HAVE THE BEST SHOT FOR PRECIP FROM NOW THROUGH TOMORROW AFTERNOON AS THE LOW SLIDES EAST.
VFR WITH MULTILAYERED CLOUDS ON SUNDAY AND LIGHT SOUTHERLY WINDS AS THE UPPER TROF MOVES EASTWARD AND PRODUCES VCTS FOR LFT AND ARA SUNDAY AFTERNOON.
SINCE THE WESTERN ATLANTIC RIDGE WILL REMAIN NORTH OF THE FLORIDA KEYS.
611 PM CDT SAT JUL 4 2015 A NICE 4TH OF JULY NIGHT LIES AHEAD FOR CENTRAL/SE IL FOR FIREWORK DISPLAYS AT DUSK AS WEAK HIGH PRESSURE 1017 MB OVER CENTRAL IL DRIFTS SLOWLY INTO THE OHIO RIVER VALLEY ON SUNDAY MORNING.
757 PM EDT SAT JUL 4 2015 UPPER LOW SPINNING OVER MEMPHIS AREA WILL CONTINUE TO TRANSLATE EASTWARD OVERNIGHT. CHATTANOOGA AIRPORT, TN 68 81 68 86 / 80 80 30 40 KNOXVILLE MCGHEE TYSON AIRPORT, TN 67 79 67 85 / 80 80 50 40 OAK RIDGE, TN 68 78 66 85 / 80 80 40 40 TRI CITIES AIRPORT, TN 67 79 65 81 / 80 80 70 50 NC.
CURRENT RADAR SHOWS THIS RAIN OVER THE LOWER MISS RIVER VALLEY ATTM. BRINGING THE HIGHER RAIN CHANCES IN TO WESTERN AND NORTHERN SECTIONS OF THE CWFA BY AFTER 09Z. GENERALLY A RAW BLEND OF THE LATEST GFS AND ECMWF ALONG THE THE HIGHEST RES HRRR NSSL WRF ALSO REFLECT THE HIGHER PRECIP TO BEGIN MOVING INTO THE WESTERN AND NORTHERN SECTIONS BY AFTER 09Z CONTINUING THROUGH MUCH OF SUN MORNING.
929 PM EDT SAT JUL 4 2015 HIGH PRESSURE PROVIDES DRY WEATHER AND SEASONABLE TEMPERATURES SUNDAY.
859 PM CDT SAT JUL 4 2015 WEAK HIGH PRESSURE WILL SETTLE OFF TO OUR EAST OVER THE NEXT 12 TO 18 HOURS CONTINUING TO BRING A RATHER QUIET WEATHER SCENE TO CENTRAL THRU SOUTHEAST ILLINOIS. LOOK FOR AFTERNOON HIGHS ON SUNDAY A FEW DEGREES WARMER THAN TODAY WITH MOST AREAS WITHIN A FEW DEGREES OF 90. A NICE 4TH OF JULY NIGHT LIES AHEAD FOR CENTRAL/SE IL FOR FIREWORK DISPLAYS AT DUSK AS WEAK HIGH PRESSURE 1017 MB OVER CENTRAL IL DRIFTS SLOWLY INTO THE OHIO RIVER VALLEY ON SUNDAY MORNING.
00Z TAFS VIGOROUS UPPER LOW SPINNING OVER EXTREME SOUTHWEST TENNESSEE WILL TRANSLATE EAST OVERNIGHT.
549 PM MDT SAT JUL 4 2015 AN UPPER LEVEL RIDGE OF HIGH PRESSURE CENTERED OVER THE FOUR CORNERS THIS AFTERNOON WILL SHIFT SOUTHEAST TONIGHT AND SUNDAY. WEAK TROUGHS OF LOW PRESSURE WILL MOVE AROUND THE NORTHERN PERIPHERY OF THE RIDGE AND OVER NORTHEAST UTAH AND WESTERN COLORADO LATE TONIGHT AND SUNDAY. THE NORTHERN STREAM TROUGH IS NOT EXPECTED TO DIP AS FAR SOUTH AS EARLIER THOUGHT.
THE UPPER PATTERN THIS EVENING IS DEFINED UP AN UPPER RIDGE OF HIGH PRESSURE ELONGATED OVER NEW MEXICO AND CHIHUAHUA MEXICO AND A TROUGH OF LOW PRESSURE OFF THE COAST OF CALIFORNIA. THIS UPPER LOW CONTINUES TO SLOWLY NUDGE EAST. SHIFTING THE AXIS OF THE UPPER RIDGE FROM A NORTH-SOUTH ORIENTATION TO MORE OF A POSITIVE NE-SW TILT. WATER VAPOR IMAGERY AND 04/12Z UPPER-AIR PLOTS SHOW A RIDGE IN THE GENERAL VICINITY OF THE GREAT BASIN. WITH A LOW PRESSURE SYSTEM WELL OFFSHORE OF THE SOUTHERN CALIFORNIA COAST.
1204 AM EDT SUN JUL 5 2015 LOW PRESSURE TO OUR SOUTH SHIFTS EASTWARD THIS EVENING. WEAK LOW PRESSURE WILL CROSS JUST NORTH OF THE AREA LATE TONIGHT AND SUNDAY MORNING ACCOMPANIED BY SCATTERED SHOWERS. HIGH PRESSURE BRINGS DRY WEATHER AND GRADUALLY WARMING CONDITIONS THROUGH MIDWEEK. ANOTHER PASSING TROUGH WILL BRING THE NEXT CHANCE OF RAIN MIDWEEK. THE SECOND UPPER LVL TROUGH WILL BEGIN TO SWING JUST N OF THE CWA TOWARD DAYBREAK. THE WEAK 500 MB TROUGH PASSES N OF THE CWA AROUND MIDDAY. TO THE LOW 80S IN SRN NH AND INTERIOR SW ME.
/ISSUED 337 PM CDT SAT JUL 4 2015/ WEAK SHORT WAVE MOVING THROUGH THE BASE OF THE BROAD MID LEVEL TROUGH OVER THE MID SOUTH REGION HAS ENHANCED CONVECTION ACROSS SOUTH LOUISIANA AND SOUTH MISSISSIPPI TODAY. WITH MID LEVEL TROUGH STILL LINGERING OVER THE AREA SUNDAY.
759 PM EDT SAT JUL 4 2015 HIGH PRESSURE PROVIDES DRY WEATHER AND SEASONABLE TEMPERATURES SUNDAY.
UPPER LOW IS MOVING ACROSS MIDDLE TENNESSEE OVERNIGHT, WITH WIDESPREAD RAIN, FOG, AND LOW CLOUDS EXPECTED THE REMAINDER OF THE NIGHT AND INTO SUNDAY MORNING. CONDITIONS WILL GRADUALLY IMPROVE BY LATE MORNING AS THE LOW MOVES OFF TO THE EAST AND MOISTURE BEGINS TO PULL OUT. UPPER LOW PRESSURE AREA MOVING SLOWLY ACROSS MIDDLE TENNESSEE TONIGHT WILL LIKELY KEEP SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS GOING, WITH THE HEAVIEST AND MOST WIDESPREAD ACTIVITY GRADUALLY WORKING ITS WAY FROM WESTERN AND CENTRAL AREAS ONTO THE CUMBERLAND PLATEAU.
SURFACE WINDS WILL PICK UP DURING THE DAY SUNDAY AS A LOW PRESSURE TROUGH DEEPENS ACROSS EASTERN PORTIONS OF COLORADO AND NEW MEXICO. /ISSUED 334 PM CDT SAT JUL 4 2015/ LATE THIS AFTN THE CENTER OF THE UPPER LEVEL RIDGE HAD SHIFTED INTO NW NM WHERE LATEST SATELLITE/RADAR/TOTAL LIGHTNING DATA INDICATED SCT CONVECTION DEVELOPING WITHIN A DEEP MONSOONAL MOISTURE AXIS. THE UPPER LEVEL RIDGE TO OUR WEST IS FORECAST TO CONTINUE TO DEAMPLIFY THROUGH SUN AS A STORM SYSTEM DROPS SOUTH THROUGH THE CANADIAN PROVINCES. MEANWHILE SUBSIDENCE AND MID LEVEL WARMING BENEATH THE BUILDING RIDGE WILL KEEP DAYTIME PRECIP CHCS VERY LOW. MODERATE SOUTHERLY BL FLOW WILL PERSIST AS SURFACE TROFFING DEVELOPS IN EASTERN NEW MEXICO.
TEMPS WILL BE A FEW DEGS COOLER SUNDAY. BOISE REACHED 100F TODAY FOR THE 9TH STRAIGHT DAY OF 100F OR WARMER.
BRINGING THE HIGHER RAIN CHANCES IN TO WESTERN AND NORTHERN SECTIONS OF THE CWFA BY AFTER 09Z. GENERALLY A RAW BLEND OF THE LATEST GFS AND ECMWF ALONG THE THE HIGHEST RES HRRR NSSL WRF ALSO REFLECT THE HIGHER PRECIP TO BEGIN MOVING INTO THE WESTERN AND NORTHERN SECTIONS BY AFTER 09Z CONTINUING THROUGH MUCH OF SUN MORNING.
WILL TWEAK HOURLY VALUES TO ACCOUNT FOR COOLER TEMPERATURES.
727 PM EDT SAT JUL 4 2015 AN UPPER TROUGH WILL MOVE THROUGH THE REGION TONIGHT WITH A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
1108 PM CDT SAT JUL 4 2015 WEAK HIGH PRESSURE WILL SETTLE OFF TO OUR EAST OVER THE NEXT 12 TO 18 HOURS CONTINUING TO BRING A RATHER QUIET WEATHER SCENE TO CENTRAL THRU SOUTHEAST ILLINOIS. LOOK FOR AFTERNOON HIGHS ON SUNDAY A FEW DEGREES WARMER THAN TODAY WITH MOST AREAS WITHIN A FEW DEGREES OF 90. A NICE 4TH OF JULY NIGHT LIES AHEAD FOR CENTRAL/SE IL FOR FIREWORK DISPLAYS AT DUSK AS WEAK HIGH PRESSURE 1017 MB OVER CENTRAL IL DRIFTS SLOWLY INTO THE OHIO RIVER VALLEY ON SUNDAY MORNING.
COOLER WEATHER IS EXPECTED LATER THIS WEEK. WITH THE CORFIDI VECTORS RUNNING ON THE LOW END OF THE SPECTRUM.
545 PM MDT SAT JUL 4 2015 00Z TAF CYCLE UPPER HIGH CENTER HAS SHIFTED WITH RIDGE AXIS GENERALLY STRETCHED FROM NORTH TO SOUTH OVER NEW MEXICO. PLENTY OF MOISTURE TRAPPED UNDER THE RIDGE ALTHOUGH INTENSITY AND AREAL COVERAGE OF TSTMS SHOULD DIMINISH BY 03Z WITH SCT SHRA PERSISTING WITH OCCASIONAL MT OBSCURATIONS. SFC LEE TROUGH CONTINUING. ANOTHER ROUND OF TSTMS TO IGNITE OVER THE HIGHER TERRAIN AFT 05/18Z. THE UPPER HIGH CENTER WILL DRIFT EAST OVER NEW MEXICO AND WEAKEN THROUGH SUNDAY. STORM MOTIONS WILL BECOME NEARLY STATIONARY UNDER THE HIGH CENTER. THE UPPER HIGH CENTER WILL MOVE SOUTHEAST INTO WEST TEXAS AND DELIVER A MORE TRADITIONAL SOUTH TO NORTH MONSOON FLOW PATTERN OVER CENTRAL AND WESTERN NEW MEXICO.
POTENTIAL IS FOR TEMPS TO EVEN BE A COUPLE OF DEGS WARMER.
712 PM EDT SAT JUL 4 2015 HIGH PRESSURE WILL PROVIDE NEARLY IDEAL HOLIDAY CONDITIONS THIS EVENING WITH MOSTLY CLEAR SKIES. SUNDAY SHOULD BE A REPEAT OF SATURDAY WITH SLIGHTLY WARMER TEMPERATURES. GREAT LAKES TO REMAIN UNDER THE INFLUENCE OF MODERATE AMPLITUDE RIDGE CURRENTLY BUILDING INTO THE REGION. WITH MID/UPPER LEVEL TROUGH TRAVERSING THE GULF COAST STATES. WARMER CONDITIONS EXPECTED TOMORROW AS LOW LEVEL RIDGE SLOWLY SHIFTS EAST AND LIGHT SOUTHERLY FLOW/WAA DEVELOPS.
UPPER LOW PRESSURE AREA MOVING SLOWLY ACROSS MIDDLE TENNESSEE TONIGHT WILL LIKELY KEEP SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS GOING, WITH THE HEAVIEST AND MOST WIDESPREAD ACTIVITY GRADUALLY WORKING ITS WAY FROM WESTERN AND CENTRAL AREAS ONTO THE CUMBERLAND PLATEAU.
THE DISSIPATION OF THE FRONT WILL ALLOW THE RESTORATION OF HIGH PRESSURE OVER THE REGION WHICH WILL PROMOTE VFR CLEAR CONDITIONS AND LIGHT WIND THROUGH THE DAY AND INTO SUNDAY EVENING. THIS EVENING AND TONIGHT SE MICHIGAN AT THE INFLECTION POINT BETWEEN THIS FEATURE AND THE INBOUND UPPER RIDGE NOW CENTERED OVER THE MISSISSIPPI RIVER. UPPER RIDGE AXIS SETTLING ACROSS THE REGION BY MID MORNING SUNDAY. LACK OF FORCING AND A STRONG 700MB INVERSION WILL MAINTAIN CLEAR SKIES AND SUPPORT A DRY FORECAST WHILE MIXING TO 850MB TEMPERATURES AROUND 12C SUPPORTS HIGHS AT LEAST IN THE LOW 80S.
ALSO ADJUSTED SOME HIGHER POPS IN NORTH GA WITH APPROACH OF UPPER LOW AND SOME MORE STRATIFORM PRECIP FILLING IN ACROSS NORTH AL. ALSO MADE LARGE ADJUSTMENTS ON TEMP TRENDS THIS EVENING FROM THE LATE DAY SOLAR SHELTERING KEEPING CENTRAL GA COOLER AND NORTH GA WARMER. SINCE THIS WOULD BE THE TIMING THAT THE UPPER LOW AND A LARGE AREA OF UPPER DIFFLUENCE CROSSES THE CWFA.
932 PM EDT SAT JUL 4 2015 A RIDGE OF HIGH PRESSURE OVER THE GREAT LAKES WILL SLIDE TO THE SOUTHEAST AND BECOME CENTERED OVER PENNSYLVANIA ON SUNDAY. THIS WEATHER FEATURE WILL BRING DRY AND WARMER CONDITIONS FOR THE SECOND HALF OF THE HOLIDAY WEEKEND.
WITH TEMPERATURES RANGING FROM THE 60S NEAR LAKE SUPERIOR TO THE LOWER 80S WELL INLAND. A STRONG COLD FRONT WILL MOVE INTO NE MINNESOTA AND IS EXPECTED TO DEVELOP RAIN SHOWERS AND THUNDERSTORMS OVER THE NORTHLAND. THE GREATEST CONCERN FOR HEAVY RAIN IS FOR THE SW AND SOUTH CENTRAL FORECAST AREA WHERE THE PRECIPITABLE WATER VALUES WILL BE THE HIGHEST IN THE FORECAST AREA. BUT THE BETTER WIND SHEAR WILL TRAIL WELL BEHIND THE COLD FRONT.
234 PM CDT MON MAR 28 2016 High pressure in firm control of the weather pattern this afternoon as evidenced by latest visible satellite imagery that continues to show little if any cloud cover across the area. Southerly flow starting to return to the area this afternoon with temps now hovering well into the lower to middle 60s across the Lwr Missouri Vly. attention quickly shifts to large-scale upper low pressure system spinning across the Northern Rockies and Great Basin regions this afternoon.
THERE WILL ALSO BE THE CHANCE OF PATCHY FOG TONIGHT AS THE LOWER LEVELS OF THE ATMOSPHERE ARE NEARLY SATURATED ON LATEST FORECAST SOUNDINGS. UPPER LEVEL FORCING IS A BIT BETTER AS A STRONG UPPER LOW MOVES OVER THE WESTERN CONUS AND A SHEAR AXIS SETS UP TO THE EAST.
The numerical guidance is now in good agreement in ejecting the western CONUS upper low/trough across the Plains midweek.
/ISSUED 410 AM CDT MON MAR 28 2016/ UPPER FLOW TO BECOME SOUTHWESTERLY TODAY AS A CLOSED UPPER LOW SLOWLY MOVES INTO THE GREAT BASIN REGION BY 00Z TUESDAY.
145 PM EDT MON MAR 28 2016 WARM AND DRY CONDITIONS WILL PREVAIL TODAY AS COLD FRONT EXITS OFF TO THE EAST. COOLER HIGH PRESSURE WILL FOLLOW INTO MID WEEK AS ANOTHER COLD FRONT PASSES OFF SHORE BY THIS EVENING.
540 PM EDT MON MAR 28 2016 A COLD FRONT WILL MOVE OFFSHORE TONIGHT. HIGH PRESSURE WILL BUILD IN FOR THE MIDDLE OF THE WEEK BEFORE A STORM SYSTEM AFFECTS THE AREA DURING THE LATTER HALF OF THE WEEK. HIGH PRESSURE WILL THEN RETURN THIS WEEKEND.
A BROAD AREA OF LOW PRESSURE ALOFT WILL CONTINUE TO BRING SCATTERED RAIN AND/OR SNOW SHOWERS TO THE AREA. A COLD FRONT WILL MOVE SOUTH OUT OF CANADA THIS AFTERNOON ALONG WITH AREAS OF LOW CLOUDS.
A COLD FRONT WILL MOVE INTO THE HIGH PLAINS BY LATE TUESDAY NIGHT.
A STRONG LOW PRESSURE SYSTEM WILL BRING COLD AND WINDY WEATHER ACROSS NORTHERN ARIZONA THROUGH TUESDAY. A COLD FRONT MOVING INTO ARIZONA TONIGHT INTO TUESDAY MORNING WILL BRING A SHARP DECREASE IN TEMPERATURES.
Winds will continue to increase tonight and Tuesday as a lee trough develops. /issued 406 AM CDT MON MAR 28 2016/ (Today and Tonight) Warmer temperatures are forecast today with afternoon highs across West Central Texas rebounding into the low to mid 70s for most locations.
AS HIGH PRESSURE BUILDS INTO THE REGION. UPPER LEVEL RIDGING WILL MOVE IN FROM THE WEST DURING THE DAY ON TUESDAY.
NEAR TERM AND SHORT TERM SECTIONS HAVE BEEN UPDATED BELOW HIGH PRESSURE WILL BUILD OVER THE AREA TONIGHT AND CLEAR SKIES OUT ALLOWING TEMPERATURES TO DROP INTO THE 30S.
226 PM PDT MON MAR 28 2016 Low pressure will exit the region tonight, which will result in drier northerly winds through Tuesday.
1225 PM CDT MON MAR 28 2016 AT H5 RIDGE OFF THE PACIFIC COAST WITH A CLOSED CUTOFF LOW OVER THE PACIFIC NORTHWEST. RIDGING THROUGH THE NORTHERN PLAINS WITH A TROUGH THROUGH THE GREAT LAKES INTO THE CAROLINAS. BUILDING RIDGE AND WARM 850MB TEMPERATURES OVER WESTERN NEBRASKA AT 12C.
106 PM CDT MON MAR 28 2016 Upper level troughing will develop across the western United States today while lee troughing becomes established in the lee of the Rockies. On Tuesday, a dryline will take shape across western Kansas ahead of the upper level trough.
1220 PM CDT MON MAR 28 2016 HIGH PRESSURE CONTINUES TO BE CENTERED OVER ARKANSAS THIS AFTERNOON. /ISSUED 1105 AM CDT MON MAR 28 2016/ HIGH PRESSURE CONTINUES OVER THE AREA TODAY. /ISSUED 618 AM CDT MON MAR 28 2016/ HIGH PRESSURE WILL DOMINATE THROUGH THE PERIOD WITH WIDESPREAD VFR CONDITIONS EXPECTED. TODAY THROUGH TUESDAY NIGHT HIGH PRESSURE WILL DOMINATE TODAY WITH MAINLY CLEAR SKIES AND MILD TEMPERATURES EXPECTED. THE HIGH IS EXPECTED TO SLIDE OFF TO THE EAST AND NORTHEAST TONIGHT. OVERALL PROGRESSIVE PATTERN WILL CONTINUE AS A DEEP UPPER LOW WILL BE LOCATED OVER THE GREAT BASIN TUESDAY MORNING.
THE ASSOCIATED LOW PRESSURE SYSTEM WILL BE TO THE NORTHEAST OF NEW ENGLAND. HIGH PRESSURE WILL BUILD TO THE NORTH. AFTER TOMORROW, THE BOUNDARY DISSIPATES AND THE HIGH WILL MOVE TO THE EAST.
AN UPPER LEVEL LOW MOVING INTO TO NEVADA WILL KEEP A FEW SHOWERS GOING ACROSS MAINLY EASTERN PORTIONS OF OUR REGION. SLIGHTLY COOLER THAN NORMAL TEMPERATURES WILL CONTINUE THROUGH MIDWEEK BEFORE A GRADUAL WARMING TREND OCCURS DURING THE SECOND HALF OF THE WEEK. AT THE SAME TIME COOLER AIR FILTERED IN ACROSS OUR CWA TODAY BEHIND A FRONT THAT WENT THROUGH YESTERDAY PLUS AN UPPER LEVEL LOW THAT DROPPED IN FROM THE NORTH. THE UPPER LOW THAT IS NOW IN WESTERN NEVADA WILL SLOWLY CONTINUE TO PROGRESS TO THE EAST OVER THE NEXT COUPLE OF DAYS.
125 PM EDT MON MAR 28 2016 A COLD FRONT WILL MOVE ACROSS THE REGION THIS AFTERNOON.
CURRENTLY WE ARE STARTING TO SEE SOME LIGHT UPPER LEVEL RIDGING MOVING IN OVER THE AREA FROM THE WEST AS THE LOW PRESSURE MOVES ACROSS THE NORTHEAST PART OF THE UNITED STATES. I CURRENTLY AM NOT ANTICIPATING WIDESPREAD FROST FORMATION SINCE WIND SPEEDS WILL BE A BIT HIGH FOR THAT, BUT PLACES THAT ARE SHELTERED FROM THE WIND, AND SOME OF THE HIGHER ELEVATIONS THAT GET COLDER COULD SEE SOME FROST. MOSTLY SUNNY SKIES WILL CONTINUE INTO TOMORROW ALLOWING TEMPERATURES TO REBOUND A FEW DEGREES WARMER THAN WE EXPERIENCED TODAY.
/ISSUED 355 AM EDT MON MAR 28 2016/ REGIONAL SURFACE ANALYSIS SHOWS COLD FRONT A LITTLE AHEAD OF SCHEDULE OF 24 HOUR PROGS. CONTINUE TO SEE SOME DRIZZLE OR LIGHT RAIN EMANATING FROM THE LOW CIGS IN PLACE OVER PRIMARILY THE EASTERN HALF OF THE AREA. REMAINDER OF THE SHORT TERM LOOKS BENIGN AS HIGH PRESSURE BUILDS NORTH OF THE REGION. SHOULD NOT HAVE TO WORRY ABOUT ANY FREEZING CONDITIONS WITH LOWS MID 30S FOR THE FAR NE SECTIONS.
Temperatures will be much warmer tonight, with lows in the 50s areawide. Expect breezy south to southeast winds on Tuesday, with afternoon highs ranging from the lower 70s east, to the upper 70s to near 80 degrees across central and western counties. (Tuesday night through Monday) An upper trough over the Southwest U.
THERE HAS BEEN A 5-7MB MSLP PRESSURE DROP FROM DENVER TO LAS VEGAS THIS AFTERNOON DUE TO THE WEST COAST TROUGH DIGGING SOUTH TODAY. THE UPPER LOW REALLY DOESNT MAKE THE TURN TO THE EAST-NORTHEAST UNTIL TOMORROW AFTERNOON/EVENING.
THE MAIN UPPER LOW CONTINUES TO DIG INTO THE WESTERN CONUS WITH BRIEF UPPER RIDGING TONIGHT OUT AHEAD OF THE SYSTEM. THE MAIN UPPER LOW WILL STILL BE WELL TO OUR SOUTHWEST TOMORROW. BUT MOST OF THE HIGHER RES SOLUTIONS KEEP THE PRECIP TO OUR WEST.
303 PM CDT MON MAR 28 2016 PATTERN WILL TRANSITION TO A MORE ACTIVE ONE OVER THE NEXT SEVERAL DAYS WITH MOIST SW FLOW BECOMING ESTABLISHED ALOFT AHEAD OF BROAD MID/UPPER LEVEL TROUGH. THIS TROUGH WILL CONTINUE SHIFTING SSEWD ACROSS THE GREAT BASIN TONIGHT BEFORE COMING OUT IN PIECES WITH A POSITIVE TILT THE MIDDLE OF THE WEEK. LOW LEVEL WINDS WILL GRADUALLY INCREASE OFF THE GULF AND STRENGTHEN INFLUX OF WARMER/MORE MOIST AIR ACROSS SERN TX.
546 PM EDT MON MAR 28 2016 IT WILL BE DRY AND COOLER BEHIND A COLD FRONT TONIGHT.
LOTS OF SUNSHINE OUT THERE TODAY AS HIGH PRESSURE BUILDS IN FROM THE WEST IN THE WAKE OF LAST NIGHT'S COLD FRONTAL PASSAGE. WITH DRIER CONDITIONS AND SOME RADIATIONAL COOLING TEMPS WILL FALL INTO THE LOW/MID 40S OVERNIGHT. TRANQUIL WEATHER WILL PERSIST THRU TUESDAY WITH HIGHS GENERALLY IN THE LOW/MID 70S AND LOWS IN THE MID 40S TO LOW 50S.
OVERNIGHT LOWS WILL BE ABOUT 10 DEGREES WARMER TONIGHT COMPARED TO THIS MORNING DUE TO INCREASING CLOUD COVER BUT NO SIGNIFICANT WEATHER IS EXPECTED INTO EARLY TOMORROW.
Thirdly, a closed low pressure system to the south will bring both snow and strong winds to areas near Butte, particularly impacting Homestake and MacDonald Passes, and to the southern portion of Lemhi County, particularly Leadore southward, including Gilmore Summit and Bannock Pass.
THE UPPER LEVEL TROUGH NOW MOVING EAST CONTINUES TO BRING GUSTY NORTH WINDS TO THE AREA. AFTER A CHILLY NIGHT TONIGHT HIGH PRESSURE BUILDS INTO THE AREA BRINGING WARMING TEMPERATURES AND DRY CONDITIONS THROUGH THE REST OF THE WEEK.
301 PM CDT MON MAR 28 2016 Quiet night expected over Central Illinois as high pressure builds into the region. As the ridge axis slips over ILX, the winds will be relatively light and variable before a southeasterly fetch starts back up again towards morning. So after a brief period of dry high pressure Tue and Tue night, pcpn begins to move back into the area Wed.
THE DETERMINISTIC NAM/GFS/ECMWF PREDICT THE CONTINUED DEVELOPMENT OF AN UPPER LOW OVER THE SWRN CONUS/ROCKIES DRG THE PERIOD.
428 PM EDT MON MAR 28 2016 THE AVIATION SECTION HAS BEEN UPDATED BELOW HIGH PRESSURE WILL BUILD OVER THE AREA TONIGHT AND CLEAR SKIES OUT ALLOWING TEMPERATURES TO DROP INTO THE 30S.
1223 PM CDT MON MAR 28 2016 HIGH PRESSURE WILL MOVE ACROSS THE MS VALLEY TODAY. WITH A BROAD AREA OF LOW PRESSURE SITUATED ACROSS THE SOUTHWEST U. SOUTHERLY WINDS WILL BE ON THE INCREASE DURING THE DAY TUESDAY AHEAD OF LARGE UPPER LEVEL LOW ACROSS THE WESTERN US.
305 PM EDT MON MAR 28 2016 SKIES ARE VARIABLY CLOUDY WITH TEMPERATURES AVERAGING IN THE LOWER 80S ALONG THE FLORIDA KEYS. A BROAD RIDGE OF HIGH PRESSURE IS OVER OUR REGION. WHILE A STATIONARY TROUGH IS DRAPED ACROSS CENTRAL FLORIDA AND THE ADJACENT ATLANTIC AND GULF WATERS.
314 PM CDT MON MAR 28 2016 HIGH PRESSURE CENTERED OVER THE MISS RIVER VALLEY BROUGHT US ABUNDANT SUNSHINE TODAY WITH TEMPERATURES THIS AFTERNOON IN THE LOW TO MID 70S IN EAST TEXAS AND CENTRAL LOUISIANA TO THE MID TO UPPER 70S ALONG THE I-10 CORRIDOR. THIS HIGH PRESSURE WILL SHIFT TO THE EAST TONIGHT. THIS ACTIVITY WILL BE DUE TO A NORTHWARD MOVING WARM FRONT IN THE GULF OF MEXICO.
345 PM EDT MON MAR 28 2016 A COLD FRONT WILL MOVE OFFSHORE TONIGHT. HIGH PRESSURE WILL BUILD IN FOR THE MIDDLE OF THE WEEK BEFORE A STORM SYSTEM AFFECTS THE AREA DURING THE LATTER HALF OF THE WEEK. HIGH PRESSURE WILL THEN RETURN THIS WEEKEND.
UPPER RIDGE WILL BUILD ACROSS THE AREA NEXT 24 HOURS.
1221 PM CDT MON MAR 28 2016 HRRR TRENDING WARMER FOR HIGHS AND AND USED THIS AS THE GUIDANCE THIS AFTERNOON. LOW PRESSURE WILL CONTINUE TO DEVELOP OVER THE NORTHERN AND CENTRAL HIGH PLAINS TO DAY WITH AN INCREASING EASTERLY SURFACE FLOW THROUGH THE DAY. UPDATED LATEST SENSIBLE WEATHER ELEMENTS AND ADJUSTED THE MORNING TEMPERATURE TREND AS TEMPERATURES WERE COOLER THAN FORECAST OVER PARTS OF THE SOUTHWEST AND A BIT WARMER THAN FORECAST FOR SOME AREAS OF THE NORTH CENTRAL INTO THE JAMES RIVER VALLEY. READINGS WILL LIKELY BE A FEW DEGREES WARMER THAN YESTERDAY WITH SOME LOCATIONS REACHING THE LOW 60S.
400 PM EDT MON MAR 28 2016 LOW PRESSURE OFF THE NEW ENGLAND COAST WILL DEEPEN AND MOVE NORTHEAST TONIGHT AS HIGH PRESSURE BUILDS SOUTH THROUGH THE OHIO VALLEY.
Following it will be the upper level ridging, with H5 heights rising some 100 meters by 12Z Wed. , as the ridge moves east and moistening swlys prevail.
PLEASANT PERIOD OF WEATHER AS HIGH PRESSURE MOVES OVER THE REGION TONIGHT AND THEN MOVES TO THE MID ATLANTIC BY TUESDAY NIGHT. WOULD NOT BE SURPRISED TO SEE SOME PATCHY FROST IN THE COOLER LOCATIONS OF WEST TN.
/ISSUED 1002 AM CDT MON MAR 28 2016/ HIGH PRESSURE BUILDING INTO THE REGION AND CLOUDS HAVE CLEARED OUT OF EASTERN REGIONS OF THE MIDSOUTH. EXPECT SLIGHTLY COOLER THAN NORMAL TEMPS THIS AFTERNOON WITH A LIGHT NORTH BREEZE. LOWS WILL RANGE FROM THE UPPER 30S TO MIDDLE 40S WITH AFTERNOON HIGHS MOSTLY IN THE LOW 70S.
WEAK HIGH PRESSURE MOVING EAST ACROSS THE AREA TONIGHT AND TO THE EAST ON TUESDAY WILL BRING QUIET WEATHER.
Temperatures have warmed into the low 60s and will top out in the middle 60s for highs this afternoon. An upper level ridge that is currently over the Plains will spread east over the region tonight and Tuesday. Lows will cool into the upper 30s to the lower 40s tonight. Highs on Tuesday will warm into the upper 60s to the lower 70s Tuesday afternoon.