Aikyam-Lab/Synoptic-Bench huggingface dataset:
COLD FRONT DROPPING ACROSS THE NORTHWEST MOUNTAINS THIS EVENING WILL BRING A REINFORCING SHOT OF COLDER AIR BEFORE WEAK HIGH PRESSURE NOSES IN FROM THE NORTH.
529 PM CST MON JAN 19 2015 LIGHT AND VARIABLE SURFACE WINDS WILL BECOME NORTH NORTHEAST BELOW 10 KT THIS EVENING AS A WEAK COLD FRONT MOVES IN FROM THE NORTH.
SOME OF OUR TYPICALLY COOLER SPOTS WILL SEE TEMPS FALL NEAR FREEZING BEFORE SUNRISE TUESDAY. HIGH CLOUDS ARE ROLLING IN AHEAD OF THE NEXT TROUGH WHICH WILL IMPACT THE REGION TOMORROW AFTERNOON AND EVENING.
COLD FRONT WILL PUSH THROUGH THE REGION BEFORE SUNRISE TUESDAY MORNING BRING WITH IT SOME BRISK NORTHEASTERLY WINDS. A MODEST COLD FRONTAL BOUNDARY WILL SHOVE SOUTH BUT WITH SLACKED PACKING OF THE PRESSURE GRADIENT.
WEAK HIGH PRESSURE CONTINUES OVER THE FORECAST AREA. TEMPERATURES AT 900 PM RANGE FROM THE LOWER TO MID 30S WHERE WINDS ARE CALM TO THE MID 40S TO NEAR 50 WHERE WINDS ARE BLOWING.
633 PM EST MON JAN 19 2015 LINGERING SNOW SHOWERS AND FLURRIES WILL COME TO AN END ACROSS THE AREA THIS EVENING AS BROAD HIGH PRESSURE BUILDS INTO THE REGION. THIS HIGH WILL ESENTIALLY CONTROL REGIONAL WEATHER CONDITIONS FOR THE REMAINDER OF THE WORK WEEK AND BEYOND. H5 NORTHERN STREAM TROUGH AND ATTENDANT MODIFIED POLAR FRONT CONTINUE THEIR PASSAGE ACROSS THE AREA THIS AFTERNOON WITH COLD THERMAL ADVECTIVE PROCESSES HERALDING A SHIFT BACK TO A MID- WINTER TEMPERATURE REGIME FOR THE REMAINDER OF THE WORK WEEK. PERHAPS SLIGHTLY WARMER FAR SOUTH. HIGH PRESSURE AND A SEASONABLY COLD CP AIRMASS.
HIGH CLOUDS ARE ROLLING IN AHEAD OF THE NEXT TROUGH WHICH WILL IMPACT THE REGION TOMORROW AFTERNOON AND EVENING. HIGH PRESSURE REMAINS SITUATED TO OUR SOUTH WITH A WARM, DRY SW'LY SURFACE WIND BRINGING ABNORMALLY WARM TEMPS TO THE MID STATE THIS AFTERNOON.
At 02 UTC this evening, high pressure was centered across North Central Florida.
WENT COOLER CLOSER NEAR THE GEM FOR LOWS. A COLD FRONT WILL BE PUSHING INTO THE REGION TOMORROW. IT HAS BEEN ANOTHER NICE DAY ACROSS THE ARKLAMISS AS HIGH PRESSURE REMAINS IN CONTROL OF OUR WEATHER.
HIGH PRESSURE OVER THE PENINSULA THIS EVENING WILL PASS EAST INTO THE WESTERN ATLC BY SUNRISE TUE MORNING. STILL COOLER OVERNIGHT LOWS BUT MAINLY M-U40S. A WEAK MID LEVEL TROUGH EMBEDDED IN THE SRN STREAM WILL MOVING EWD ACROSS THE CTRL-ERN GOMEX OVERNIGHT WILL CONTINUE TO SLIDE EWD ACROSS THE STATE DURING THE DAY.
A cold front will cause a shift in direction from the northeast the last 6 hours of the TAF. Plains today, and the Midwest tonight, will send a cold front south into the region Tuesday afternoon in it's wake. Temperatures will be about 5 to 10 degrees cooler north of Interstate 20, but should be pretty similar to today further south.
552 PM EST MON JAN 19 2015 LOW PRESSURE OVER THE ST LAWRENCE RIVER WILL LIFT AWAY FROM THE AREA TONIGHT. HIGH PRESSURE WILL SLOWLY BUILD TOWARD THE REGION THROUGH THE END OF THE WEEK.
AT THE SURFACE AND IN THE LOWER TO MID LEVELS. BROAD 1020 MB SURFACE RIDGING IS IN PLACE ACROSS MUCH OF THE FLORIDA PENINSULA. RIDGING WILL REMAIN JUST NORTH OF THE ISLANDS THROUGH DAYBREAK.
842 PM EST MON JAN 19 2015 A PRESSURE RIDGE ALONG THE GULF COAST WILL WEAKEN THROUGH TUESDAY.
WE ADJUSTED THE DENSE FOG ADVISORY IN THE LOWER TREASURE VALLEY TO BEGIN AT 6 PM MST INSTEAD OF 8 PM. FOG HAS STARTED TO COME INTO THE BOISE AREA AS OF 820 PM AND WITH TEMPS BELOW FREEZING THE FOG COULD DEPOSIT A THIN LAYER OF BLACK ICE ON THE ROADS. A NEW INVERSION MAY DEVELOP LATER THIS WEEK AS HIGH PRESSURE ALOFT BUILDS TO OUR WEST.
804 PM EST MON JAN 19 2015 HIGH PRESSURE WILL BUILD INTO THE REGION TONIGHT THROUGH TUESDAY.
641 PM EST MON JAN 19 2015 LOW PRESSURE WILL NOSE INTO THE NORTHERN OHIO VALLEY FROM THE UPPER MIDWEST ON TUESDAY.
632 PM EST MON JAN 19 2015 UPPER AIR PATTERN CONSISTS OF A 500 MB TROUGH ON THE EAST COAST AND WNW 500 MB FAIRLY ZONAL FLOW OVER THE REST OF THE U. MORE UPPER TROUGHING THEN MOVES INTO THE NORTHERN PLAINS ON TUE. STILL LOOKS LIKE THERE COULD BE SOME FREEZING DRIZZLE IN UPSLOPE AREAS ON TUE AND KEPT SLIGHT CHANCE IN AS TEMPERATURES ARE AROUND -10C IN THE LOW LEVELS AND VERY LITTLE STRONG LIFT TO TRY TO CREATE SNOW AND THINK THERE WILL BE SNOW/FREEZING DRIZZLE COMBO IN UPSLOPE EAST FLOW PLACES. AS A 500 RIDGE BUILDS ACROSS THE WESTERN STATES.
THE BEST CHANCE FOR THESE CONDITIONS WILL BE EAST OF THE TAF SITES WHERE THE LOW LEVEL MOISTURE WILL BE A BIT DEEPER.
COLD FRONT WILL DROP SE LATE TONIGHT AND ON TUESDAY WITH SOME CLOUDS AND A WIND SHIFT TO THE NW AS A COOLER AIRMASS FILTERS IN OVER THE REGION. DURING THE OVERNIGHT AND EARLY MORNING HOURS A DRY COLD FRONT WILL MOVE THROUGH THE STATE.
356 PM MST MON JAN 19 2015 STRONG NEARLY ZONAL FLOW ALOFT AND A COUPLE OF WEAK MID-LEVEL DISTURBANCES WILL SET THE STAGE FOR SEVERAL HOURS OF LIGHT TO MODERATE SNOWFALL ACROSS THE HIGH COUNTRY OVERNIGHT. EASTERLY LOW-LEVEL FLOW IS IN PLACE EAST OF THE MTNS FOLLOWING THE ARRIVAL OF A WEAK BACKDOOR COLD FRONT EARLIER TODAY. AND THE SECOND ALONG THE SPINE OF THE MONUMENT RIDGE EAST ACROSS NORTHERN/CENTRAL LINCOLN COUNTY. IN THE HIGH COUNTRY SNOW HIGHER AMOUNTS ABOVE TIMBERLINE AND ON WEST FACING SLOPES.
A SURFACE WARM FRONT POSITIONED ALONG THE I-20 CORRIDOR OF CENTRAL MISSISSIPPI WILL LIFT NORTH INTO THE MID SOUTH TOWARDS SUNRISE. /ISSUED 314 PM CDT MON MAR 30 2015/ A TYPICAL EARLY TO MID SPRING PATTERN TO PREVAIL OVER THE LOWER 48 THROUGH THE WEEKEND.
849 PM MDT Mon Mar 30 2015 A ridge of high pressure remains across the region. Dry air associated with the ridge will continue the mostly clear skies. The main weather feature affecting the tafs will be a cold front which will move into KCTB around 16z.
1001 PM EDT MON MAR 30 2015 HIGH PRESSURE INTO TONIGHT. LOW PASSES NORTH WITH COLD FRONT TUESDAY AFTERNOON. HIGH PRESSURE MID WEEK.
THIS WILL RESULT IN A BIT WARMER LOW TEMPERATURES AND MOSTLY CLEAR SKIES. CHATTANOOGA AIRPORT, TN 41 73 49 73 / 0 20 20 10 KNOXVILLE MCGHEE TYSON AIRPORT, TN 38 70 45 69 / 0 0 20 10 OAK RIDGE, TN 38 71 45 69 / 0 10 20 10 TRI CITIES AIRPORT, TN 34 68 39 67 / 0 0 10 10.
1037 PM EDT MON MAR 30 2015 A COLD FRONT WILL CROSS THE AREA OVERNIGHT. WITH WEAK HIGH PRESSURE PREVAILING INTO TUESDAY NIGHT.
1130 PM CDT Mon Mar 30 2015 High pressure over the Lower Mississippi Valley will make its way eastward during the overnight hours. This will allow the stalled front over the southern plains to begin advancing northeastward as a warm front. Upper level ridging will be underway Tuesday night as the southerly winds continue to bring warm and moist air into the region.
DUE TO A RIDGE AXIS STRADDLING THE FLORIDA PENINSULA. LIGHT NORTH TO NORTHEAST BREEZES WILL PREVAIL ON KEYS WATERS OVERNIGHT DUE TO A RIDGE AXIS SETTLING SOUTHWARDS ACROSS THE FLORIDA PENINSULA.
955 PM PDT MON MAR 30 2015 WEAKENING HIGH PRESSURE ALOFT THROUGH MID WEEK WILL LEAD TO SLIGHTLY COOLER TEMPERATURES.
HIGH PRESSURE IS DOMINATING THE AREA THIS EVENING AND OTHER THAN A FEW HIGH CLOUD DRIFTING IN FROM THE NW.
A clipper system will pass to our north tonight, dragging the trailing cold front through the area by Tuesday morning. The southerly winds ahead of the cold front for much of the night will keep temperatures warmer than they have been lately. Only scattered high clouds over region as the low center and associated short wave tracks north of central IL, dragging weak cold front into state overstate.
806 PM EDT MON MAR 30 2015 LOW PRESSURE WILL SKIRT NORTHERN OHIO TONIGHT AS IT TRACKS SOUTHEAST FROM THE UPPER MIDWEST. THE LOW WILL TRAIL A COLD FRONT SOUTHWARD THROUGH THE OHIO VALLEY AS IT MOVES EAST TO THE MID ATLANTIC.
DEWPOINTS HAVE INCREASED INTO THE LOWER 40S OVER SOUTHEAST MISSOURI AND SOUTHERN ILLINOIS. ELSEWHERE MOST LOCATIONS JUMPED BACK INTO AT LEAST THE LOWER 30S WITH THE LOSS OF DEEPER MIXING. HIGH PRESSURE OVER THE REGION TONIGHT WILL RESULT IN MOSTLY CLEAR SKIES.
/ISSUED 250 PM CDT Mon Mar 30 2015/ WV imagery shows the upper ridge, or what's left of it, over West Texas and Southeast New Mexico, but w/afternoon temps struggling to reach normal in the wake of last night's cold front. In addition, a fetch of subtropical moisture streaming around the base of the Baja trough is bringing a canopy of CS over the region to retard temps as well. Return flow is forecast to back this up against the wrn mtns overnight, as the Baja trough moves onshore and begins sharpening up a weak dryline Tuesday morning. As the Baja trough enters the area, large-scale ascent should initiate convection along the dryline around 18Z or shortly thereafter, begin developing east.
756 PM EDT MON MAR 30 2015 HIGH PRESSURE CENTERED OVER THE LOWER MISSISSIPPI RIVER VALLEY WILL BUILD SOUTHEASTWARD TONIGHT AND BE CENTERED SOUTH OF THE REGION TUESDAY. ANOTHER WEAK COLD FRONT WILL MOVE ACROSS THE REGION LATE TUESDAY NIGHT WITH LIMITED MOISTURE. HIGH PRESSURE OFFSHORE MID TO LATE WEEK WILL RESULT IN AN INCREASE IN MOISTURE AND WARMER TEMPERATURES BY LATE WEEK. A COLD FRONT ALONG THE COAST EARLY THIS EVENING WILL CONTINUE MOVING OUT TO SEA AS HIGH PRESSURE CENTERED ACROSS THE LOWER MS RIVER VALLEY BUILDS EAST INTO OUR AREA. KEPT OVERNIGHT LOWS NEAR GUIDANCE CONSENSUS IN THE LOW TO MID 40S BROAD UPPER LEVEL TROUGH OVER THE GREAT LAKES AND NORTHEASTERN STATES.
A COLD FRONT HAS PULLED UP STATIONARY TO OUR NORTH ACROSS CENTRAL PORTIONS OF GA AND AL.
936 PM CDT MON MAR 30 2015 LOW LEVEL MOISTURE CONTINUES TO CREEP NORTHWARD ACROSS SOUTHEAST OK THIS EVENING AS A WARM FRONT LIFTS NORTH. SOME QUESTION AS TO HOW FAR NORTH THE LOW CLOUDS WILL DEVELOP. /ISSUED 350 PM CDT MON MAR 30 2015/ UPPER RIDGE OVER PACIFIC NORTHWEST AND UPPER TROUGH OFF COAST OF BAJA WILL REMAIN TIED AS MAJOR TROUGH EASTERN PACIFIC KICKS BOTH EAST INTO MISSISSIPPI VALLEY MIDWEEK.
Only scattered high clouds over region as the low center and associated short wave tracks north of central IL, dragging weak cold front into state overstate.
930 PM EDT MON MAR 30 2015 LOW PRESSURE WILL TRACK ACROSS THE REGION LATER TONIGHT INTO TUESDAY AND BRING ANOTHER ROUND OF PRECIPITATION. STILL REMAINS TO BE SEEN HOW MUCH SNOW WILL BE ABLE TO ACCUMULATE ACROSS THE FAR NORTH AS NEWER RUNS JUST A BIT WARMER WITH CRITICAL THICKNESS. TIGHTENING PRESSURE GRADIENT WILL ALLOW FOR GUSTS TO 30 MPH WITH HIGHER GUSTS POSSIBLE IN THE RIDGES. SAVE FOR THE HIGHER TERRAIN. AS THE LOW PRESSURE MOVES WELL OFF TO THE EAST AND NW FLOW ENSUES. THE BACK EDGE OF THE UPPER TROUGH AND SOME MID LEVEL MOISTURE SHOULD MAINTAIN SOME CLOUD COVER THROUGH MUCH OF THE NIGHT BEFORE HIGH PRESSURE RIDGE BUILDS EASTWARD AND DRIES OUT THE LOW-MID LEVELS.
535 PM MDT MON MAR 30 2015 LATEST UPPER AIR ANALYSIS AND SATELLITE IMAGERY INDICATES VERY LITTLE CLOUD COVER UNDER AN UPPER LEVEL RIDGE OVER THE GREAT BASIN. WITH AN UPPER LEVEL SHORT WAVE TROUGH MOVING ONTO THE PLAINS. AT THE SURFACE A TROUGH WAS PROGRESSING THROUGH THE HIGH PLAINS. AHEAD OF THE TROUGH BREEZY SOUTHWEST WINDS WERE OBSERVED. NORTH OF THE TROUGH NORTHWEST WINDS WERE ALSO BREEZY. TEMPERATURES IN THE 925-850MB LAYER ARE AROUND 5 DEGREES WARMER THAN LAST NIGHT. HOWEVER WITH DEW POINTS FALLING TO THE LOW 20S AND 30S. AM THINKING LOWS WILL ONLY BE A FEW DEGREES WARMER THAN LAST NIGHT AT BEST. THEREFORE DO NOT ANTICIPATE ANY FIRE WEATHER CONCERNS DESPITE THE LOW RELATIVE HUMIDITIES.
929 PM PDT Mon Mar 30 2015 Cooler but still above normal weather expected this week.
THE FORECAST FOR A COLD FRONT TO PASS THROUGH THE AREA TOMORROW AFTERNOON IS RIGHT ON TRACK.
1023 PM EDT MON MAR 30 2015 LOW PRESSURE WILL SKIRT NORTHERN OHIO TONIGHT AS IT TRACKS SOUTHEAST FROM THE UPPER MIDWEST. THE LOW WILL TRAIL A COLD FRONT SOUTHWARD THROUGH THE OHIO VALLEY AS IT MOVES EAST TO THE MID ATLANTIC.
856 PM EDT MON MAR 30 2015 DRY AND STABLE CONDITIONS UNDER HIGH PRESSURE LOCATED ACROSS THE SOUTHERN PENINSULA WILL SUPPORT PLEASANT DRY CONDITIONS ACROSS THE ENTIRE FORECAST AREA OVERNIGHT AS A WEAK BACK-DOOR TYPE COLD FRONT SINKS SOUTHWEST INTO NORTHEAST FLORIDA THROUGH EARLY TUESDAY MORNING. TEMPERATURES OVERNIGHT WILL BE MILDER THAN PREVIOUS NIGHTS WITH LOWS BOTTOMING OUT IN THE LOWER TO MID 50S.
SURFACE RIDGING WILL REMAIN SOUTHWARD AS A WEAK FRONTAL BOUNDARY SLIDES OFF OF THE SOUTHEAST U. OVERNIGHT LOWS A BIT WARMER AND MAINLY IN THE 50S.
815 PM EDT MON MAR 30 2015 HIGH PRESSURE WILL REMAIN OVER SOUTH FLORIDA TONIGHT. AS A WEAK COLD FRONT OVER NORTHERN FLORIDA PUSHES SOUTH AND WASHES OUT OVER CENTRAL FLORIDA. /ISSUED 247 PM EDT MON MAR 30 2015/ HIGH PRESSURE DOMINATES INTO THE WEEKEND. SFC MAP THIS MORNING HAS HIGH PRESSURE CENTERED OVER CENTRAL FLORIDA. WITH A WEAKENING COLD FRONT APPROACHING THE FLORIDA PANHANDLE.
638 PM CDT MON MAR 30 2015 FOR 00Z TAFS /ISSUED 302 PM CDT MON MAR 30 2015/ CURRENT WATER VAPOR AND SURFACE ANALYSIS SHOWS THE UPPER TROUGH THAT PASSED THROUGH OVERNIGHT HAS MOVED OFF TO THE EAST WITH HIGH PRESSURE AT THE SURFACE BUILDING IN. SHOULD SEE A DRY NIGHT TONIGHT AS THAT HIGH PRESSURE TREKS OFF TO THE EAST. CLOUDS WILL BE ON THE INCREASE AFTER MIDNIGHT WITH LOWS FALLING INTO THE LOWER TO MIDDLE 40S. A WEAK SURFACE WARM FRONT/BOUNDARY WILL BE STRETCHING NW TO SE SOUTH OF THE CWA. ROTATING AROUND THE UPPER LOW NORTH OF MAINE.
NO MAJOR CHANGES ARE PLANNED TO THE CURRENT FORECAST AS HIGH PRESSURE SETTLES IN.
1206 AM EDT TUE MAR 31 2015 LOW PRESSURE WILL TRACK ACROSS THE REGION LATER TONIGHT INTO TUESDAY AND BRING ANOTHER ROUND OF PRECIPITATION. STILL REMAINS TO BE SEEN HOW MUCH SNOW WILL BE ABLE TO ACCUMULATE ACROSS THE FAR NORTH AS NEWER RUNS JUST A BIT WARMER WITH CRITICAL THICKNESS. TIGHTENING PRESSURE GRADIENT WILL ALLOW FOR GUSTS TO 30 MPH WITH HIGHER GUSTS POSSIBLE IN THE RIDGES. SAVE FOR THE HIGHER TERRAIN. AS THE LOW PRESSURE MOVES WELL OFF TO THE EAST AND NW FLOW ENSUES. THE BACK EDGE OF THE UPPER TROUGH AND SOME MID LEVEL MOISTURE SHOULD MAINTAIN SOME CLOUD COVER THROUGH MUCH OF THE NIGHT BEFORE HIGH PRESSURE RIDGE BUILDS EASTWARD AND DRIES OUT THE LOW-MID LEVELS.
/ISSUED 657 PM CDT MON MAR 30 2015/ HIGH PRESSURE MAINTAINING SOUTHERLY FLOW AND SUBSIDENCE OVER THE AREA.
951 PM EDT MON MAR 30 2015 LOW PRESSURE MOVING THROUGH THE GREAT LAKES WILL SPREAD LIGHT RAIN TO AREAS NORTH OF HIGHWAY 30 OVERNIGHT WITH LOWS IN THE UPPER 30S TO LOWER 40S. HIGHS TOMORROW WILL BE SLIGHTLY COOLER THAN TODAY GIVEN BRIEF RETURN TO NNW FLOW/CAA. TRANSITION TO A MORE BONA-FIDE SPRING PATTN XPCD THIS PD W/LONGER TERM SUGGESTIONS OF GENERAL WKNG OF NEG HGT ANOMALIES UP ACRS ERN CANADA AND MORE TROUGHING ACRS THE WRN US BOTH OF WHICH HAVE BEEN LAGGING FOR SVRL MONTHS. LOW LEVEL WARM FRONT PUSHING ACROSS SOUTHERN LOWER MICHIGAN/FAR NORTHERN INDIANA WILL CONTINUE TO LEAD TO SOME LIGHT RAIN AT KSBN OVER THE NEXT FEW HOURS.
/ISSUED 936 PM CDT MON MAR 30 2015/ LOW LEVEL MOISTURE CONTINUES TO CREEP NORTHWARD ACROSS SOUTHEAST OK THIS EVENING AS A WARM FRONT LIFTS NORTH. SOME QUESTION AS TO HOW FAR NORTH THE LOW CLOUDS WILL DEVELOP. /ISSUED 350 PM CDT MON MAR 30 2015/ UPPER RIDGE OVER PACIFIC NORTHWEST AND UPPER TROUGH OFF COAST OF BAJA WILL REMAIN TIED AS MAJOR TROUGH EASTERN PACIFIC KICKS BOTH EAST INTO MISSISSIPPI VALLEY MIDWEEK.
LATEST UPPER AIR ANALYSIS AND SATELLITE IMAGERY INDICATES VERY LITTLE CLOUD COVER UNDER AN UPPER LEVEL RIDGE OVER THE GREAT BASIN. WITH AN UPPER LEVEL SHORT WAVE TROUGH MOVING ONTO THE PLAINS. AT THE SURFACE A TROUGH WAS PROGRESSING THROUGH THE HIGH PLAINS. AHEAD OF THE TROUGH BREEZY SOUTHWEST WINDS WERE OBSERVED. NORTH OF THE TROUGH NORTHWEST WINDS WERE ALSO BREEZY. TEMPERATURES IN THE 925-850MB LAYER ARE AROUND 5 DEGREES WARMER THAN LAST NIGHT. HOWEVER WITH DEW POINTS FALLING TO THE LOW 20S AND 30S. AM THINKING LOWS WILL ONLY BE A FEW DEGREES WARMER THAN LAST NIGHT AT BEST. THEREFORE DO NOT ANTICIPATE ANY FIRE WEATHER CONCERNS DESPITE THE LOW RELATIVE HUMIDITIES.
SOME QUESTION AS TO HOW FAR NORTH THE LOW CLOUDS WILL DEVELOP. /ISSUED 350 PM CDT MON MAR 30 2015/ UPPER RIDGE OVER PACIFIC NORTHWEST AND UPPER TROUGH OFF COAST OF BAJA WILL REMAIN TIED AS MAJOR TROUGH EASTERN PACIFIC KICKS BOTH EAST INTO MISSISSIPPI VALLEY MIDWEEK.
/ISSUED 254 PM CDT MON MAR 30 2015/ COLD FRONT CURRENTLY ALONG A LINE FROM PARIS TEXAS TO TEXARKANA AND EASTWARD TO CAMDEN ARKANSAS. AREAS SOUTH OF THE FRONT UNDER MOSTLY CLOUDY SKIES WITH TEMPERATURES IN THE LOWER 70S.
822 PM EDT MON MAR 30 2015 LOW PRESSURE MOVING THROUGH THE GREAT LAKES WILL SPREAD LIGHT RAIN TO AREAS NORTH OF HIGHWAY 30 OVERNIGHT WITH LOWS IN THE UPPER 30S TO LOWER 40S. HIGHS TOMORROW WILL BE SLIGHTLY COOLER THAN TODAY GIVEN BRIEF RETURN TO NNW FLOW/CAA. TRANSITION TO A MORE BONA-FIDE SPRING PATTN XPCD THIS PD W/LONGER TERM SUGGESTIONS OF GENERAL WKNG OF NEG HGT ANOMALIES UP ACRS ERN CANADA AND MORE TROUGHING ACRS THE WRN US BOTH OF WHICH HAVE BEEN LAGGING FOR SVRL MONTHS. LOW LEVEL WARM FRONT PUSHING ACROSS SOUTHERN LOWER MICHIGAN/FAR NORTHERN INDIANA WILL CONTINUE TO LEAD TO SOME LIGHT RAIN AT KSBN OVER THE NEXT FEW HOURS.
HRRR MODEL SHOWS LOW CLOUDS AND FOG FORMING OVER MAINLY SE GA LATE TONIGHT AS LOW LEVEL MOISTURE POOLS THERE AHEAD OF A WEAKENING SLOW MOVING COLD FRONT.
HIGH PRESSURE STILL OVER MOST OF THE SERN US WITH CLR SKIES ACROSS THE CWA ATTM. A LARGE AREA OF HIGH PRESSURE CURRENTLY COVERS MUCH OF THE SERN US. 07 /ISSUED 302 PM CDT MON MAR 30 2015/ CURRENT WATER VAPOR AND SURFACE ANALYSIS SHOWS THE UPPER TROUGH THAT PASSED THROUGH OVERNIGHT HAS MOVED OFF TO THE EAST WITH HIGH PRESSURE AT THE SURFACE BUILDING IN. SHOULD SEE A DRY NIGHT TONIGHT AS THAT HIGH PRESSURE TREKS OFF TO THE EAST. CLOUDS WILL BE ON THE INCREASE AFTER MIDNIGHT WITH LOWS FALLING INTO THE LOWER TO MIDDLE 40S. A WEAK SURFACE WARM FRONT/BOUNDARY WILL BE STRETCHING NW TO SE SOUTH OF THE CWA. ROTATING AROUND THE UPPER LOW NORTH OF MAINE.
506 PM PDT MON MAR 30 2015 The Inland Northwest has enjoyed the last day of well above average temperatures before a vigorous cold front arrives during the early morning hours on Tuesday.
657 PM CDT MON MAR 30 2015 HIGH PRESSURE MAINTAINING SOUTHERLY FLOW AND SUBSIDENCE OVER THE AREA.
A FRONT IS STALLED JUST SOUTH OF ARKANSAS AND WILL MOVE NORTH AS A WARM FRONT TONIGHT AND TUESDAY.
A COLD FRONT WILL SPREAD RAIN ACROSS THE AREA TONIGHT. AN UPPER LEVEL TROUGH WILL FOLLOW TUESDAY FOR SHOWERS AND COOLER WEATHER.
100 AM EDT TUE MAR 31 2015 A COLD FRONT WILL CROSS THE AREA OVERNIGHT. WITH WEAK HIGH PRESSURE PREVAILING INTO TUESDAY NIGHT.
A WEAK COLD FRONT HAS PUSHED INTO SOUTH CENTRAL ALABAMA. THE FRONT WILL BECOME STATIONARY NEAR THE I-85 CORRIDOR TONIGHT AND THEN PUSH BACK NORTHWARD ON TUESDAY AHEAD OF THE NEXT UPSTREAM SHORT WAVE TROF. THE PRIMARY FOCUS WILL BE THE WARM FRONT.
1033 PM EDT MON MAR 30 2015 HIGH PRESSURE WILL BUILD ACROSS THE SOUTHEASTERN STATES TONIGHT INTO TUESDAY. A WEAK COLD FRONT WILL MOVE ACROSS THE REGION LATE TUESDAY NIGHT WITH LIMITED MOISTURE. HIGH PRESSURE OFFSHORE MID TO LATE WEEK WILL RESULT IN AN INCREASE IN MOISTURE AND WARMER TEMPERATURES BY LATE WEEK. HIGH PRESSURE CENTERED ALONG THE TN/GA/AL BORDER WILL BUILD INTO THE AREA OVERNIGHT. BROAD UPPER LEVEL TROUGH OVER THE GREAT LAKES AND NORTHEASTERN STATES.
AN AREA OF WEAK LOW PRESSURE WILL PASS SOUTH OF THE AREA EARLY THIS WEEK BRINGING INCREASED CLOUDINESS. BUT LITTLE IN THE WAY OF COOLER TEMPERATURES. BRINGING SLIGHTLY COOLER TEMPERATURES TO THE REGION. LOW PRESSURE REMAINS NEARLY STATIONARY WEST OF BAJA CALIFORNIA THIS AFTERNOON. THE ATMOSPHERE IS LARGELY UNFAVORABLE FOR STORM DEVELOPMENT ACROSS THE LOWER DESERTS TODAY BUT WITH VERY DRY LOW LEVELS BELOW 700MB /SFC DEWPOINTS IN THE LOW-MID 20S/. LOW PRESSURE WILL REMAIN SOUTH OF THE AREA ON TUESDAY. UPPER LEVEL FLOW CONTINUES TO FLATTEN IN THE WAKE OF THE PASSING TROUGH AXIS FOR THE MIDDLE PART OF THE WEEK.
858 PM MDT MON MAR 30 2015 SKIES REMAIN MOSTLY CLEAR THIS EVENING AS HIGH PRESSURE ALOFT CONTINUES TO DOMINATE THE CENTRAL ROCKIES WEATHER PICTURE. BUT A SHOWER OR TWO MAY DEVELOP OVER THE HIGH TERRAIN LATER TUESDAY. A DEVELOPING LEE TROUGH WILL CAUSE WINDS TO BECOME SOUTHERLY TUESDAY.
/ISSUED 314 PM CDT MON MAR 30 2015/ A TYPICAL EARLY TO MID SPRING PATTERN TO PREVAIL OVER THE LOWER 48 THROUGH THE WEEKEND.
1025 PM MDT Mon Mar 30 2015 UPDATED AVIATION DISCUSSION A ridge of high pressure remains across the region. Dry air associated with the ridge will continue the mostly clear skies. The main weather feature affecting the tafs will be a cold front which will move into KCTB around 16z.
742 PM EDT MON MAR 30 2015 A COLD FRONT WILL CROSS THE AREA THIS EVENING. WITH WEAK HIGH PRESSURE PREVAILING INTO TUESDAY NIGHT.
1137 PM CST TUE JAN 27 2015 HARD TO COMPLAIN ABOUT THE JANUARY WEATHER PATTERN IN PLACE WITH AN UPPER LEVEL RIDGE OF HIGH PRESSURE ORIENTED ALONG THE HIGH PLAINS AND A NEAR RECORD WARM AIRMASS SITUATED ACROSS OUR REGION. COOLER AIR ADVECTS SOUTH BEHIND THE BOUNDARY ON WEDNESDAY BUT WITH GOOD MIXING IN THE AFTN OF THE STILL MILD AIRMASS WE ARE STILL LOOKING FOR MILD AFTN TEMPS IN THE 60S FOR MOST AREAS.
TONIGHT AND WEDNESDAY THE LATEST RAP ANALYSIS AND SATELLITE/RADAR IMAGERY SHOW ARCTIC HIGH PRESSURE NOSING SOUTHWEST ACROSS THE UPPER PENINSULA AND THE STATE OF WISCONSIN. BUT DESPITE THE RIDGE AXIS SHARPENING OVER NE WISCONSIN. ARCTIC HIGH PRESSURE WILL TEMPORARILY BUILD ACROSS EASTERN WISCONSIN THIS EVENING THEN RETREAT BACK EAST OVERNIGHT. STILL ANTICIPATING AT LEAST PARTIAL CLEARING TAKING PLACE OVER THE FOX VALLEY AND LAKE SHORE AS THE RIDGE AXIS MOVES INTO THAT AREA. TRENDED WARMER WITH LOW TEMPS DUE TO THE PERSISTENT CLOUD COVER. LOW PRESSURE WILL BE MOVING INTO THE NORTHERN MISSISSIPPI VALLEY DURING THE AFTERNOON. WARMER LOW LEVEL AIR WILL FINALLY SURGE INTO CENTRAL AND NORTHEAST WISCONSIN. AN 850MB WARM FRONT WILL BE MAKING INTO NORTH-CENTRAL AND CENTRAL WISCONSIN BY LATE IN THE AFTERNOON. HIGHS WARMING INTO THE LOW TO MID 30S.
Cold air advection will allow for slightly cooler temperatures compared to yesterday, with afternoon highs ranging from the mid 50s to lower 60s across the area.
HIGH PRESSURE BUILDING INTO THE REGION WILL ALLOW FOR THE WINDS TO QUICKLY DROP OFF TONIGHT. CLEAR SKIES AND WINDS RELAXING THROUGH THE OVERNIGHT HOURS WILL ALLOW TEMPERATURES TO FALL INTO THE LOW TO MID 30S ACROSS INTERIOR MS AND AL COUNTIES WITH UPPER 30S AND LOW 40S CLOSER TO THE COAST. HIGH PRESSURE WILL CONTINUE MOVING EAST ON WEDNESDAY AND TEMPERATURES WILL BE SLIGHTLY COOLER THAN TODAY WITH MID 60S ACROSS SOUTHEAST MS AND LOW 60S FOR LOCATIONS FURTHER EAST. HIGH PRESSURE AXIS MOVES EAST.
WINDS WILL SHIFT TO THE NORTH THROUGH THE MORNING AND AFTERNOON HOURS AS ANOTHER COLD FRONT PASSES THROUGH SOUTH FLORIDA TODAY. STILL EXPECTING A DRY COLD FRONT TO PUSH INTO THE AREA TOWARDS DAYBREAK PROVIDING A REINFORCING SHOT OF COLD AIR FOR WEDNESDAY WHEN HIGH TEMPERATURES SHOULD NOT GET OUT OF THE 60S. WINDS WILL SHIFT FROM WESTERLY TO NORTHERLY TONIGHT AS A WEAK COLD FRONT PASSES THROUGH SOUTH FLORIDA. DRY AIR WILL BE REINFORCED THIS WEEK BY A PAIR OF COLD FRONTS. WEAK COLD FRONT WILL SILENTLY PASS THROUGH SOUTH FLORIDA TONIGHT.
PATCHY FOG AND LOW STRATUS HAS REDEVELOPED THIS EVENING IN THE LOWER COLUMBIA BASIN BELOW 1400 FEET MSL AND THE YAKIMA VALLEY. THE LOWEST VISIBILITY WAS NOTED TO BE IN UPPER COLUMBIA BASIN OF CENTRAL TO NORTHERN WASHINGTON STATE BUT WILL KEEP ON LOCATIONS FURTHER SOUTH IN CASE FOG BECOMES MORE DENSE. A SHORT WAVE TROUGH AND AN UPPER LEVEL LOW PASSING TO THE SOUTHEAST WILL BRING MOSTLY CLOUDY CONDITIONS AND A SLIGHT CHANCE OF PRECIPITATION TO THE CASCADES DURING THE DAY ON WEDNESDAY.
THIS EVENING THROUGH WEDNESDAY NIGHT AT 21Z THE WATER VAPOR SAT IMAGE SHOWED A BROAD HIGH AMPLITUDE RIDGE OVER THE FORECAST AREA. AT THE SFC A WEAKLY DEFINED LOW PRESSURE TROUGH WAS LOCATED OVER ERN MT/WY/CO AND WRN ND/SD/NEB. VERY WINDY CONDITIONS ARE EXPECTED TO DEVELOP OVER NORTHWESTERN SOUTH DAKOTA AND ON THE PLAINS EAST OF THE BLACK HILLS DUE TO THE TIGHT SFC PRESS GRAD AND LL INSTABILITY DUE TO THE LOW-MID COLD ADVECTION. THE WIND WILL DIMINISH EARLY WEDNESDAY EVENING AS THE LOW MOVES AWAY TO THE SOUTHEAST AND THE GRADIENT BEGINS TO SLACKEN AS HIGH PRESSURE MOVES IN FROM THE NORTHEST.
1152 PM EST TUE JAN 27 2015 HIGH PRESSURE WILL CONTINUE TO BUILD IN FROM THE WEST TONIGHT AND MOVE EAST ON WEDNESDAY.