Aikyam-Lab/Synoptic-Bench huggingface dataset:
314 PM CST WED FEB 4 2015 ARCTIC HIGH PRESSURE WILL MOVE INTO IA TONIGHT AND PASS EAST ON THURSDAY. WITH CLEARING ALREADY PRESENT ACROSS THE MAJORITY OF THE CWA AS A LARGE AREA OF ARCTIC HIGH PRESSURE BUILDS INTO THE STATE. CENTER OF THE HIGH EXPECTED TO DROP SOUTH SOUTHEAST THROUGH THE NIGHT JUST SKIRTING THE WESTERN CWA. MUCH WARMER PACIFIC AIR WILL FLOOD THE STATE. TEMPERATURES WILL NOT FALL OFF MUCH FROM THE HIGHS TOMORROW THOUGH THE NIGHT TOMORROW NIGHT WITH 30 TO 40 DEGREE TEMPS BY FRI.
NORTHWEST FLOW ALOFT SHOULD PROVIDE SUBSIDENCE ACROSS THE AREA TONIGHT INTO THURSDAY AS THE COLD FRONT MOVES THROUGH THE LOWER RIO GRANDE VALLEY THURS MORNING. SKIES SHOULD PARTIALLY CLEAR THURS NIGHT AND TEMPERATURES THURS NIGHT SHOULD BE COOLER THAN TONIGHT.
1151 AM EST WED FEB 4 2015 LOW PRESSURE OVER THE CENTRAL GREAT LAKES WILL CONTINUE TO MOVE EAST TODAY. A COLD FRONT TRAILING THIS LOW WILL DROP SOUTH ACROSS THE LOCAL AREA BY LATE TODAY.
BUT AREAS OF FOG AND THE LOWEST VISIBILITIES ALONG THE COAST AND COASTAL PLAINS. A COLD FRONT WILL ENTER THE NORTHERN BORDER OF THE AREA AROUND 09-10Z AND MAKE IT TO THE COAST AROUND 12Z. BUT FEEL THE LOW-LEVEL DRY AIR SHOULD EVAPORATE THE PRECIPITATION.
WHILE A COLD FRONT IS NOTED TO OUR NORTH FROM THE OHIO VALLEY THROUGH THE MID-SOUTH/ARKLATEX TO A LOW OVER WRN TX. BUT SOME WRAP AROUND RAINS ARE NOW DEVELOPING OVER/NEAR THE NWRN ZONES IN RESPONSE TO THE LOW ALOFT. RETAINED SMALL POPS TONIGHT FOR MAINLY THE NRN 1/2 OF THE AREA FOR THE LIGHT RAINS ASSOCIATED WITH THE UPPER LOW PASSAGE. THEREAFTER A DRY PATTERN IS PROGGED INTO THE WEEKEND AS RIDGING ALOFT BUILDS EWD FROM THE DESERT SW.
351 PM EST WED FEB 4 2015 COLD FRONT WORKING ACROSS NORTHERN OH/NW PA FIRST THING THIS EVENING.
258 PM EST WED FEB 4 2015 SKIES RANGE FROM MOSTLY SUNNY IN THE LOWER KEYS. A LOW PRESSURE SYSTEM IN LOCATED IN THE CENTRAL GULF OF MEXICO. WITH A WESTERN ATLANTIC RIDGE EXTENDING INTO THE SOUTHEAST UNITED STATES AND DOWN THE FLORIDA PENINSULA.
WIND REMAINS A FACTOR IN THE HIGHER ELEVATIONS AND HEADLINES WILL STAY IN PLACE THOUGH THE LOWER ELEVATIONS NEAR AND BELOW 8500 FT MAY HAVE TROUBLE ACCUMULATING MUCH SNOW. TEMPERATURES RUNNING A BIT WARMER IN MANY PLACES FROM 24 HOURS AGO BUT PCPN AND CLOUDS SHOULD HOLD THESE IN CHECK A BIT THIS AFTERNOON. THE MOST RECENT MODEL RUNS HAVE TRENDED COOLER DURING THE TIME OF PRECIPITATION. PRETTY UNEVENTFUL DAY THURSDAY AS HIGH PRESSURE BUILDS INTO THE REGION.
ANOTHER REINFORCEMENT OF COOLER AIR WILL MOVE INTO SOUTHEAST TEXAS TOMORROW AS A RELATIVELY WEAK COLD FRONT MOVES THROUGH THE AREA IN THE MORNING. THERE MAY BE SOME PATCHY FOG AHEAD OF THE COLD FRONT EARLY IN THE MORNING.
A MILD DAY IS ON TAP AHEAD OF AN APPROACHING COLD FRONTAL BOUNDARY WITH HIGHS FORECAST IN THE LOW TO MID 50S. COOLER NORTH. WARMER SOUTH. HAVE DECREASED SNOW TOTALS FOR THE REGION WITH THE HIGHEST AMOUNTS.
249 PM EST WED FEB 4 2015 SOME LIGHT RETURNS ARE EVIDENT ON THE RADAR IN CENTRAL GEORGIA AHEAD OF A LOW PRESSURE SYSTEM THAT WILL MOVE ALONG THE GULF COAST OVERNIGHT. A COLD FRONT WILL ENTER NW GEORGIA BY TOMORROW MORNING AS WELL. USHERING IN BREEZY AND COOLER CONDITIONS FOR THURSDAY. WITH PERHAPS A LIGHT DUSTING AT MOST FOR THE HIGHEST ELEVATIONS IN THE MOUNTAINS.
TEMPERATURE PROFILES ACROSS SOUTH CENTRAL AND SOUTHEAST KANSAS SUPPORT THE POSSIBILITY OF DRIZZLE/FREEZING DRIZZLE LATE THIS MORNING PRIOR TO THE ARRIVAL OF THE ARCTIC AIR. IF DRIZZLE/FREEZING DRIZZLE DOES DEVELOP. HIGH PRESSURE WILL SETTLE INTO THE AREA WEDNESDAY NIGHT INTO THURSDAY. HIGH PRESSURE WILL QUICKLY MOVE OFF TO THE SOUTHEAST ALLOWING SOUTHERLY WINDS TO RETURN AND AID IN MODIFYING TEMPERATURES SLIGHTLY ON THURSDAY.
AN ARCTIC COLD FRONT WILL YIELD ANOTHER FEW TO SEVERAL INCHES OF SNOW TONIGHT.
This will continue in advance of a cold front that was already in the process of moving south across northern Missouri. Temperatures behind the cold front are rather chilly and temperatures are expected to fall through the day in the wake of the front. The cold front was making headway this morning having already made it to the I-70 corridor. The snow will come to an end for most of the region by midnight and will be replaced with an area of cold Canadian air, with overnight lows falling into the lower teens to upper single digits. This will keep temperatures in the lower to middle 30 for Thursday despite mostly sunny skies.
206 PM CST WED FEB 4 2015 UPPER-LEVEL TROUGH ACROSS CENTRAL TEXAS TO CONTINUE MIGRATING EAST THROUGH THE EVENING BEFORE EXITING THE AREA AFTER MIDNIGHT. FRONTAL BOUNDARY ACROSS OKLAHOMA AND INTO THE TEXAS PANHANDLE TO ACCOMPANY UPPER-LEVEL TROUGH WITH SURFACE WINDS BECOMING NORTH TO NORTHWEST OVERNIGHT. CLOUDY SKIES ALONG WITH A SLIGHT CHANCE OF RAIN POSSIBLE ACROSS THE REGION WITH FRONT AND UPPER-TROUGH TONIGHT. HIGH PRESSURE TO REINFORCE COOL TEMPS ACROSS THE REGION THROUGH THE END OF THE WORK WEEK WITH HIGHS ON THURSDAY IN THE 40S AND LOWS AT OR BELOW FREEZING ACROSS MOST LOCATIONS. WITH THE EXCEPTION OF DEEP EAST TEXAS WHICH WILL BE SLIGHTLY WARMER.
Lows tonight are expected to drop well below freezing as skies clear out and the ridge axis moves in. For Thursday, the ridge axis moves off to the east with a southerly return flow developing. Warming continues into the early portions of the weekend as broad upper ridge builds across the length of the Rockies.
SKIES HAVE BEGUN TO CLEAR ACROSS THE SANDHILLS AND PORTIONS OF SOUTHWESTERN NEBRASKA AS ARCTIC HIGH PRESSURE BUILDS SOUTH FROM THE DAKOTAS. A MUCH QUIETER NIGHT ACROSS THE REGION TONIGHT AS ARCTIC HIGH PRESSURE SETTLES IN. A WARM FRONT WILL MOVE EAST ACROSS THE AREA LATE TONIGHT. WITH TEMPERATURES ACTUALLY RISING AT MOST LOCATIONS AFTER MIDNIGHT AS WARMER PACIFIC AIR BEGINS TO SPREAD IN FROM THE WEST. WARMER PACIFIC AIR WILL CONTINUE TO STREAM EAST THURSDAY.
A WEAK WARM FRONT WILL MOVE NORTH ACROSS THE AREA TODAY BRINGING LIGHT RAIN. A MUCH STRONGER WARM FRONT WILL BRING HEAVY RAIN AND WINDY CONDITIONS STARTING LATE TONIGHT AND CONTINUING ON THURSDAY.
AT 20Z SURFACE ANALYSIS DEPICTS HIGH PRESSURE CENTERED IN SOUTH CENTRAL NORTH DAKOTA WITH CLEAR SKIES COVERING THE REGION. A LEE SIDE TROUGH OF LOW PRESSURE IS FORMING IN CENTRAL MONTANA. AS THE HIGH EXITS THE REGION TONIGHT GOOD WARM ADVECTION WILL HELP HOLD TEMPERATURES UP A BIT OVER LAST NIGHT. THIS WILL BE FOLLOWED BY A DRY TROUGH/COLD FRONT ON THURSDAY THAT WILL BRING IN BETTER MIXING AND PRODUCE HIGH TEMPERATURES CLOSE TO 40 SOUTHWEST.
223 PM CST WED FEB 4 2015 COLD FRONT HAS WORKED DOWN INTO SOUTHERN ILLINOIS. WITH TEMPS GOING BELOW FREEZING QUICKLY TONIGHT AND LOWS IN THE 20S WE COULD BE LOOKING AT SOME TRAVEL ISSUES FOR THE MORNING COMMUTE. THIS SYSTEM WILL PULL EAST RATHER QUICKLY THURSDAY MORNING WITH HIGHS ON THURSDAY GETTING UP INTO THE LOW TO MIDDLE 30S UNDER PLENTY OF SUNSHINE.
EXPECT TEMPS TO REACH THE SINGLE DIGITS TO PERHAPS THE LOW TEENS SOUTH TODAY. THE SYSTEM DIVING TOWARDS THE UPPER GREAT LAKES WILL DRAG A COLD FRONT THROUGH THE AREA. WITH COOLER TEMPS NORTH.
107 PM EST WED FEB 4 2015 HIGH PRESSURE OVER THE AREA WILL WEAKEN THIS AFTERNOON. LOW PRESSURE STRENGTHENING IN THE GULF OF MEXICO WILL CROSS FLORIDA OVERNIGHT AND MOVE NORTHWARD ALONG THE EAST COAST THURSDAY. DRY WEATHER WILL RETURN THURSDAY INTO THE WEEKEND AS HIGH PRESSURE SETTLES OVER THE AREA.
Significant precipitation event likely for the region beginning Thursday as a Pacific cold front moves into NORCAL.
STRONG COLD FRONT STARTS TO PUSH INTO OUR NORTHWEST LATE TODAY, WITH INCREASINGLY STRONG NORTH-TO-NORTHWEST FLOW DEVELOPING OVERNIGHT AND THURSDAY MORNING AS THE FRONT SWEEPS ACROSS MIDDLE TENNESSEE.
313 PM EST WED FEB 4 2015 AN AMPLIFYING UPPER LEVEL TROUGH AND ASSOCIATED ARCTIC FRONTAL BOUNDARY WILL BRING PERIODS OF LIGHT SNOW AND MINOR ACCUMULATIONS TO THE AREA THROUGH EARLY THURSDAY.
325 PM EST WED FEB 4 2015 19Z SFC ANALYSIS SHOWS THE HIGH PRESSURE WEAKENING TO THE SOUTHEAST OF KENTUCKY WHILE THE ARCTIC COLD FRONT SINKS TOWARD THE STATE FROM THE NORTHWEST. THE MODELS ARE IN GOOD AGREEMENT ALOFT THROUGH THE SHORT TERM WITH FAST FLOW OVER THE OHIO VALLEY THAT QUICKLY TRANSITIONS INTO A DECENT SIZED TROUGH MOVING THROUGH BY 12Z THURSDAY. THIS TROUGH WILL PUSH ITS ENERGY ACROSS EASTERN KENTUCKY LATE TONIGHT WITH GENERAL NORTHWEST FLOW TO FOLLOW BUT LITTLE IN THE WAY OF ADDITIONAL ENERGY. HAVE FAVORED THE HIGHER RESOLUTION NAM12 AND HRRR FOR WEATHER DETAILS.
THE ANTICIPATED COLD FRONT IS CURRENTLY PASSING THROUGH SOUTHEAST OK AND NORTHWEST AR AND MAKING ITS WAY SOUTHWARD. PRECIP WILL COME TO AN END AROUND 12Z TOMORROW MORNING AND AFTER THIS WE WILL BE IN FOR COOLER TEMPS AND CLEARING SKIES. HIGHS ARE EXPECTED TO RANGE FROM THE LOW 40S TO THE LOW 50S FROM NORTH TO SOUTH.
1227 PM EST WED FEB 4 2015 HIGH PRESSURE WILL MOVE OFFSHORE TODAY. LOW PRESSURE WILL MOVE ALONG THE COAST TONIGHT.
915 AM PST WED FEB 4 2015 HIGH PRESSURE WILL RESULT IN MILD AND DRY WEATHER THROUGH THE END OF THE WEEK.
318 PM EST WED FEB 4 2015 LOW PRESSURE STRENGTHENING IN THE GULF OF MEXICO WILL CROSS FLORIDA OVERNIGHT AND MOVE NORTHWARD ALONG THE EAST COAST THURSDAY. DRY WEATHER WILL RETURN THURSDAY INTO THE WEEKEND AS HIGH PRESSURE SETTLES OVER THE AREA.
UPPER TROUGH DIGS SOUTHEAST INTO THE SOUTHERN APPALACHIANS EARLY ON THURSDAY. AREA OF SNOW SHOWERS WILL CONTINUE ALONG AND BRIEFLY BEHIND APPROACHING COLD FRONT. COLD AIR ADVECTION FAIRLY STRONG BEHIND COLD FRONT.
RETURN SOUTHWEST BREEZES EXPECTED THURSDAY AS NEW LEE TROUGH FORMS WITH MODEST DRY NORTHWEST FLOW ALOFT. RMCQUEEN LITTLE CHANGE MADE TO THE EXTENDED WITH UPPER RIDGING PROJECTED TO GRADUALLY PASS ACROSS THE SOUTHERN HIGH PLAINS THROUGH MUCH OF THE PERIOD.
THESE CLOUDS ARE ORIGINATING FROM A GULF UPPER LOW THAT IS TRACKING ACROSS THE NW GULF COAST AS THE SUBTROPICAL JET MERGES WITH THE POLAR JET. PRECIPITATION (PORTIONS OF IT OVERRUNNING THE COOLER SFC AIRMASS) IS OVERSPREADING THE GULF COAST INTO CENTRAL MS/AL. HOWEVER, AN APPROACHING BROAD LONGWAVE TROUGH ROTATING AROUND THE E CANADIAN UPPER LOW IS PUSHING AN ARCTIC FRONT ACROSS THE CORN BELT REGION OF MO/KS. A COLD FRONT IS THEN EXPECTED TO PASS OVER THE REGION BTWN 05-06Z BRINGING NW WINDS GUSTING TO 25 KTS AND MVFR CIGS.
118 PM EST WED FEB 4 2015 COLD FRONT CROSSES TONIGHT.
A cold front just moved across Lubbock with the cold air a little ways behind the front. Low clouds/fog along with much colder temps are in the northern TX Panhandle with Amarillo sitting at 28 degrees with freezing fog. The cold front will blast across the CWA late this aftn and evening. Temps will be colder tonight with freezing fog possible.
333 PM CST WED FEB 4 2015 COLD FRONT IS IN THE PROCESS OF PUSHING THROUGH THE FORECAST AREA AND WILL CLEAR SE OK BY EARLY EVENING. ELSEWHERE THERE WILL BE CHANCE OF LIGHT DRIZZLE / FREEZING DRIZZLE / SNOW FLURRIES NEARER THE SFC FRONTAL ZONE BUT MEASURABLE PRECIP CHANCES WILL CONTINUE VERY LOW.
1032 AM CST WED FEB 4 2015 INITIAL WIND SHIFT ASSOCIATED WITH THE APPROACHING COLD FRONT NOTED ACROSS FAR NE OK THIS AM.
1245 PM EST WED FEB 4 2015 LOW PRESSURE OVER THE CENTRAL GREAT LAKES WILL CONTINUE TO MOVE EAST TODAY. A COLD FRONT TRAILING THIS LOW WILL DROP SOUTH ACROSS THE LOCAL AREA BY LATE TODAY.
A warm front will shift northward across north central Idaho and western Montana tonight producing widespread light precipitation. and a mixture of light rain or pockets of freezing light rain. There may be enough snow and pockets of freezing very light rain to produce slick roads by late tonight, especially Libby to Kalispell and Glacier Park.
200 PM PST WED FEB 4 2015 HIGH PRESSURE WILL RESULT IN MILD AND DRY WEATHER THROUGH THE END OF THE WEEK.
A COLD FRONT CONTINUES TO MOVE SOUTHWARD ACROSS THE HIGH PLAINS OF WEST TEXAS INTO WESTERN AND CENTRAL OKLAHOMA. WITH SPOTTY REPORTS OF LIGHT FREEZING DRIZZLE AND/OR FREEZING FOG. THIS MAY LEAD TO A FEW SLICK SPOTS ON BRIDGES AND OVERPASSES IN THESE AREAS. SPOTTY SNOW AND OR SLEET MAY OCCUR AS WEAK LIFT OVERSPREADS THE SUB FREEZING AIRMASS TONIGHT. THOUGH A FEW SLICK SPOTS MAY DEVELOP ON BRIDGES AND OVERPASSES IF ANY RESIDUAL MOISTURE FREEZES BEHIND THE FRONT LATER THIS EVENING.
HIGH PRESSURE STRENGTHEN ACROSS THE REGION THROUGH THE REMAINDER OF THE WEEK. THIS MID LEVEL RIDGE IS FORECAST TO BUILD EASTWARD THROUGH THE REMAINDER OF THE WEEK MAINTAINING VERY MILD CONDITIONS REGIONWIDE.
LOOKS LIKE TEMPS WILL QUICKLY DROP BEHIND THE FRONT, AND BE IN THE LOWER AND MIDDLE 20S AT 12Z THURSDAY MORNING--WHICH MEANS ANY MOISTURE ON ROADWAYS WILL BE SUBJECT TO FREEZING, ESPECIALLY ON UNTREATED ROADS.
HIGH PRESSURE WILL RESULT IN MILD AND DRY WEATHER THROUGH THE END OF THE WEEK.
WITH THE BULK OF THE SNOW IN THE 2 TO 5 INCH RANGE AND A NARROW BAND OF THE HIGHER 5 TO 7 TOTALS ACROSS SOUTHERN SEWARD INTO LANCASTER AND SALINE COUNTIES TOWARD AUBURN.
NORTHERLY SFC WINDS WILL INCREASE FROM NW-SE THIS AFTERNOON AS A COLD FRONT PUSHES THROUGH THE AREA. /ISSUED 1032 AM CST WED FEB 4 2015/ INITIAL WIND SHIFT ASSOCIATED WITH THE APPROACHING COLD FRONT NOTED ACROSS FAR NE OK THIS AM.
A COLD FRONT WILL MOVE SOUTHEAST THROUGH THE TAF SITES AROUND MIDNIGHT. AN UPPER TROUGH AXIS WILL MOVE EAST THROUGH THE AREA LATE TONIGHT.
120 PM PST WED FEB 4 2015 HIGH PRESSURE WILL RESULT IN MILD AND DRY WEATHER THROUGH THE END OF THE WEEK.
EXTENDED DRY WEATHER PATTERN THEN RETURNING THROUGH THE REMAINDER OF THE WEEK AS AREA RETURNS TO A DRY NORTH TO NORTHWEST FLOW ALOFT BETWEEN WEST CONUS RIDGE AND AN EXITING EAST CONUS TROF.
THE AXIS OF STRONGEST PRESSURE RISES HAD ALREADY EXITED THE SOUTHERN TX PANHANDLE AHEAD OF BROAD SURFACE RIDGING. ABUNDANT POST- FRONTAL STRATUS SHOULD LINGER FOR THE BETTER PART OF THE OVERNIGHT BEFORE DRIER NORTHEASTERLIES AND IMPROVED SUBSIDENCE WITHIN THE SURFACE PRESSURE RIDGE ERODE LOW CLOUDS. THIS DRIER AIR WILL SERVE TO BRING AN END TO THE SPOTTY LIGHT FREEZING DRIZZLE AND FLURRIES REPORTED EARLIER THIS AFTERNOON. SIDED TOWARD THE COOLER END OF MOS GUIDANCE FOR LOWS TONIGHT IN ANTICIPATION OF CLOUDS THINNING BEFORE DAYBREAK. STRONGEST THICKNESS GAINS WILL BE FELT ACROSS THE WESTERN PANHANDLES NEAR A BURGEONING LEE TROUGH. FLAT RIDGING ALOFT WITH A FEW EMBEDDED WEAK IMPULSES AND DRY DOWNSLOPING LOW-LEVEL WINDS WILL COMBINE TO PRODUCE A VERY MILD START TO THE WEEKEND.
A cold front just passed southeast of Lawrenceville at mid afternoon with a snow band pressing ese to along I-72 and has been weakening the past few hours. Clouds to decrease from the nw later this evening and overnight as nnw winds 10-20 mph and some higher gusts of 20-25 mph diminish as well especially overnight as 1036 mb arctic high pressure over the central Dakotas settles to the IA/MO/IL border area by mid morning Thu. For Wed, more significant wave moves through the Great Lakes with trailing cold front. NNW winds 8-14 kts with gusts to near 20 kts this afternoon will decrease to 5-9 kts this evening and become light and variable Thu morning as 1036 mb arctic high pressure over the western Dakotas settles into IL during Thu morning.
UPPER AIR ANALYSIS THIS MORNING SHOWED THE UPPER LOW HAD OPENED INTO A WAVE OVER TEXAS. A COLD FRONT WAS STRETCHED ACROSS OKLAHOMA AND THE TEXAS PANHANDLE. DURING THIS PERIOD THE UPPER TROUGH WILL MOVE OFF TO THE EAST AND NORTHWESTERLY FLOW WILL MOVE OVER TEXAS. THE SURFACE COLD FRONT WILL DROP THROUGH OUR CWA TONIGHT. NORTHERLY WINDS AND COOLER AIR WILL MOVE IN THURSDAY DURING THE DAY.
LOCATIONS MOST AFFECTED WILL BE THE HIGHER TERRAIN AREAS OF THE SISSETON HILLS AS WELL AS UP TO 15 MILES EAST OF THE HILLS.
A COLD FRONT WILL CROSS THE REGION OVERNIGHT AND LIFR CIGS WILL DEVELOP IN THE WAKE OF THE FRONT AND SHOULD LINGER THROUGH 05/18Z. AS THIS LOW CONTINUES MOVING AWAY FROM TEXAS. A 500 MB CLOSED LOW WAS LOCATED OVER CENTRAL TEXAS WITH WEAK VORTICITY EJECTING OUT AHEAD OF THE SYSTEM CAUSING LINGERING LIGHT NORTHERN FA MORNING SHOWERS. THIS CLOSED LOW IS PROGRESSIVELY MOVING NORTHEAST AND WILL BE EAST OF THE AREA THIS AFTERNOON.
Some light freezing drizzle is mixed in when precipitation begins, then switches over to light snow, so added mention. But despite sunny skies, temperatures will only rise into the low 20s to low 30s. Lows will be a bit warmer, in the mid teens to mid 20s.
1237 PM EST WED FEB 4 2015 HIGH PRESSURE WILL MOVE OFFSHORE TODAY. LOW PRESSURE WILL MOVE ALONG THE COAST TONIGHT.
305 PM CST WED FEB 4 2015 20Z SURFACE MAP SHOWED A COLD FRONT OVER SOUTHEAST MO. WITH WEST PLAINS IN THE LOWER 50S. ABOUT THE TIME THE SURFACE FREEZING LINE DROPS TO A POSITION PARALLEL AND ABOUT 30 MILES NORTH OF I40. WHERE SNOWFALL AND CONCURRENT SUBFREEZING TEMPS LIMIT MELTING.
233 PM EST WED FEB 4 2015 HIGH PRESSURE OVER THE AREA WILL WEAKEN THIS AFTERNOON. LOW PRESSURE STRENGTHENING IN THE GULF OF MEXICO WILL CROSS FLORIDA OVERNIGHT AND MOVE NORTHWARD ALONG THE EAST COAST THURSDAY. DRY WEATHER WILL RETURN THURSDAY INTO THE WEEKEND AS HIGH PRESSURE SETTLES OVER THE AREA.
HIGH PRESSURE ALOFT WILL BRING DRY CONDITIONS WITH WELL ABOVE NORMAL DAYTIME TEMPERATURES INTO THIS WEEKEND. WATER VAPOR IMAGERY SHOWS A RIDGE OVER THE WEST COAST WITH PLENTY OF MOISTURE RIDING OVER THE TOP OF THE RIDGE AXIS ACROSS THE PACIFIC NORTHWEST. MODELS INDICATE THAT THE RIDGE AXIS TO OUR WEST WILL MOVE EAST AND BE NEARLY OVERHEAD ON THURSDAY. AS A RESULT EXPECT HIGH TEMPERATURES TO BE SEVERAL DEGREES WARMER THAN WHAT IS ANTICIPATED FOR THIS AFTERNOON. THE RIDGE WILL CONTINUE TO MOVE EAST AND FLATTEN THROUGH LATE IN THE WEEK.
246 PM EST WED FEB 4 2015 WATER VAPOR SATELLITE IMAGERY SHOWS AN AREA OF LOW PRESSURE CURRENTLY LOCATED OVER THE TEXAS COASTAL WATERS MOVING EASTWARD. A WARM FRONT WILL TAKE SHAPE OVER NORTH CENTRAL FLORIDA TODAY, KEEPING THE PRECIPITATION TO THE NORTH THROUGH THE EVENING HOURS. BEHIND THE FRONT, HIGH PRESSURE WILL BUILD IN ONCE AGAIN. THIS HIGH SHOULD KEEP THE WEATHER DRY THROUGH THE WEEKEND.
1234 AM CDT FRI APR 3 2015 COLD FRONT CONTINUES TO MARCH THROUGH THE FORECAST AREA. RAIN CHANGING TO SNOW AS COLD AIR MOVES IN BEHIND A COLD FRONT. BUT WILL FALL QUICKLY LATE THIS AFTERNOON IN NORTH-CENTRAL MINNESOTA AS COLD AIR MOVES IN BEHIND A COLD FRONT MOVING IN FROM THE WEST. MUCH COOLER.
THIS STORMY WX WILL SPREAD ACROSS MID TN TODAY AS A WAVE MOVES ALONG THE BOUNDARY AND PULLS A COLD FRONT THROUGH MID TN EARLY THIS EVENING. ESPECIALLY WITH ANY DEEP ROTATING UPDRAFTS THAT DEVELOP AHEAD OF THE COLD FRONT. ESPECIALLY ALONG THE COLD FRONT THIS EVENING. HIGH PRESSURE WILL BE DIRECTLY OVER MID TN SATURDAY NIGHT. SOME SPOTS ACROSS THE UPPER CUMBERLAND REGION MAY BRIEFLY TOUCH FREEZING.
COOLER TEMPERATURES ARE EXPECTED TODAY AS HIGH PRESSURE BUILDS INTO THE AREA. WINDS WILL GENERALLY BE FROM THE NORTH TODAY SHIFTING TO MORE OF A SOUTHERLY DIRECTION OVERNIGHT AS THE CENTER OF HIGH PRESSURE MOVES SOUTHEAST OF THE AREA. LOWS TONIGHT LOOK TO DIP INTO THE LOWER 30S. FRIDAY NIGHT/SATURDAY MORNING: TRANQUIL WEATHER DURING THIS PERIOD AS HIGH PRESSURE REMAINS IN CONTROL ACROSS THE CENTRAL PLAINS. RECENTLY, THINGS HAVE BLOOMED, SO BE AWARE THAT FREEZING TEMPERATURES ARE POSSIBLE THIS MORNING. THE NET RESULT IS CONTINUED WEAK HIGH PLAINS LEE TROUGHING AND SEASONAL HIGH TEMPERATURES FOR SATURDAY - 60S.
408 AM CDT FRI APR 3 2015 STRONG COLD FRONT BISECTING OUR CWA AT 3 AM IS ON TRACK TO EXIT OUR SOUTHERN COUNTIES A GOOD 2-3 HOURS AHEAD OF WHAT WAS ADVERTISED BY THE 00Z MODELS. SURFACE RIDGING WILL BUILD THROUGH THE DAY BEFORE SETTING UP CAMP AFTER MIDNIGHT WITH LIGHT EASTERLY WINDS.
345 AM EDT FRI APR 3 2015 COLD FRONT ACROSS THE OHIO VALLEY WILL DRIFT SOUTHWARD TODAY.
335 AM MDT FRI APR 3 2015 THE UPPER TROUGH MOVES THROUGH THIS MORNING WITH NORTHWEST FLOW THIS AFTERNOON AND TONIGHT.
Severe Storms This Morning Then Cooler With Potential For Frost An upper level trough is currently pushing into the central Plains early this morning which is pushing a cold front into the area. Storms are also starting to develop along the cold front across southeastern Kansas and west central Missouri. The surface cold front is expected to push out of the area by the late morning hours bringing an end to any severe risk to the area. Tonight lows will drop into the low to mid 30s as high pressure settles south over the region light winds and clear skies will develop.
A WARM FRONT WILL LIFT NORTH ACROSS NC AND VA THIS MORNING. WARM SOUTH TO SOUTHWEST FLOW WILL RESULT UNTIL A COLD FRONT CROSSES OUR REGION LATE TONIGHT THROUGH EARLY SAT. COOLER HIGH PRESSURE WILL FOLLOW FOR THE WEEKEND. HIGH PRESSURE WILL SETTLE DIRECTLY OVERHEAD SATURDAY NIGHT.
HOWEVER, THE BEST TIME PERIOD FOR -TSRA WILL LIKELY BE AFTER 03/20-21Z AS THE COLD FRONT MOVES CLOSER.
500 MB HIGH PRESSURE CENTERED OVER THE EAST COAST OF MEXICO AND EXTENDED OVER THE RIO GRANDE VALLEY AND DEEP SOUTH TEXAS WILL PRODUCE CONTINUED DRY WEATHER.
A WARMING TREND WILL BEGIN TODAY WITH HIGH TEMPERATURES CLIMBING INTO THE LOWER 60S ACROSS MUCH OF THE AREA BY SATURDAY.
WITH THE COLD FRONT STILL ON TRACK TO REACH OUR NWRN ZONES EARLY THIS EVENING. ONE MORE DAY OF ABV NORMAL TEMPS TODAY WITH HIGHS CLIMBING INTO THE LOWER 80S THIS AFTN. IT WILL BE FOLLOWED BY MUCH COOLER TEMPERATURES. THE COOLER AIRMASS WILL BE RATHER SHALLOW.
WILL BE WATCHING A TROUGH OF LOW PRESSURE/WIND SHIFT MOVE INTO THE NORTHWEST CWA LATER THIS AFTERNOON. SATURDAY WILL SEE TEMPS ALOFT AT 925/850 MB WARMING ACROSS THE CWA WITH WARM FRONT/STATIONARY FRONT SETTING UP NEAR THE ND/SD BORDER IN THE AFTERNOON. FRONTAL BOUNDARY BEGINS SHIFTING SOUTH AS A COLD FRONT SATURDAY NIGHT WITH NORTHEAST BREEZES DEVELOPING AND LOW LEVEL COLD AIR ADVECTION ENSUING.
539 AM EDT FRI APR 3 2015 AN APPROACHING COLD FRONT WILL STALL OUT ACROSS PENNSYLVANIA TOMORROW INTO SATURDAY. A WAVE OF LOW PRESSURE WILL FORM AND RIDE NORTHEAST ALONG THE STALLED FRONT.
401 AM CDT FRI APR 3 2015 THE INVERTED TROUGH THAT HELPED PRODUCE THE PRECIPITATION OVERNIGHT HAS MOVED EAST TO THE IOWA STATE LINE BY 07Z. HIGH PRESSURE WAS THE DOMINANT FEATURE OVER THE INTERMOUNTAIN WEST. HIGH PRESSURE WILL CONTINUE TO DRIFT WELL TO THE SOUTHEAST ON SATURDAY. ON THE BACKSIDE OF THE HIGH.
SUBTROPICAL RIDGE WILL BUILD OVER GULF OF MEXICO AND FLORIDA TODAY THROUGH SATURDAY. HIGH PRESSURE OVER THE WESTERN ATLANTIC WILL EXTEND ACROSS THE FLORIDA PENINSULA AND GULF OF MEXICO WITH THE RIDGE AXIS ACROSS THE CENTRAL FLORIDA PENINSULA. AN ASSOCIATED COLD FRONT WILL SINK SOUTH OVER NORTH FLORIDA WITH A CHANCE OF SHOWERS AND THUNDERSTORMS SATURDAY AFTERNOON OVER THE NORTHERN FORECAST AREA. AS BOUNDARY LAYER WINDS SHIFT TO THE WEST OFF THE EASTERN GULF OF MEXICO AHEAD OF THE COLD FRONT ON SATURDAY. DAYTIME HIGHS WILL BE SUPPRESSED ALONG THE COASTAL COUNTIES DUE TO THE WINDS OFF THE RELATIVELY COOLER SHELF WATERS.
COLD AIR CONTINUES TO FILTER SOUTHEAST OVER THE AREA IN THE WAKE OF SECONDARY COLD FRONT. THIS RELAXES DURING THE AFTERNOON FROM WEST TO EAST AS A HIGH PRESSURE RIDGE BUILDS EAST FROM THE DAKOTAS. RELATIVE HUMIDITIES DROP OFF INTO THE LOWER 20S ONCE AGAIN INTO A PORTION OF SOUTH CENTRAL MN. SO MAINLY RAIN EXPECTED WITH SOME SLEET POSSIBLY MIXING IN WHERE TEMPS DROP TO NEAR FREEZING.
THIS EVENING THROUGH FRIDAY NIGHT CURRENT SURFACE ANALYSIS SHOWS LOW PRESSURE NORTH OF THE GREAT LAKES REGION. WITH A COLD FRONT EXTENDING SOUTHWESTWARD INTO THE NORTHERN PLAINS. ANOTHER LOW PRESSURE SYSTEM IS LOCATED OVER CENTRAL CO. UPPER LEVEL ANALYSIS SHOWS POSITIVELY TILTED TROF STRETCHING FROM SOUTH CENTRAL CANADA INTO THE CENTRAL ROCKIES. TEMPS THIS AFTERNOON RANGE FROM THE LOW TO MID 40S ACROSS NORTHEAST WY AND THE BLACK HILLS TO THE UPPER 50S ACROSS FAR SOUTH CENTRAL SD. COOL WEATHER WILL PERSIST THROUGH FRIDAY AS UPPER TROF REMAINS OVER THE REGION. WEAK RIDGE WILL BUILD IN FROM THE WEST FRIDAY NIGHT AND SATURDAY. WEAK ENERGY WITHIN THE TROF WILL CONTINUE TO BRING CLOUDINESS AT TIMES THROUGH FRIDAY EVENING.
VERY SLOW MOVING COLD FRONT LYING JUST NORTH OF THE FORECAST AREA THIS AFTERNOON WILL SLIP SOUTH CLOSER TO THE OHIO RIVER TONIGHT. LOW PRESSURE WILL BE DEVELOPING OVER THE SOUTHERN PLAINS AND SHOULD THEN EJECT ENE ALONG THE FRONTAL BOUNDARY LATER TONIGHT AND FRIDAY AS H50 SHORT WAVE ENERGY DROPS SE INT THE PLAINS STATES. CHILLY HIGH PRESSURE WILL GRADUALLY MOVE IN THE FROM THE PLAINS AND BRING A COOL BUT DRY START TO THE WEEKEND.