Aikyam-Lab/Synoptic-Bench huggingface dataset:
5F WITH OUR REGION ON THE EASTERN PRECIPICE OF UPPER LEVEL RIDGE WHICH IS CENTERED OVER TEXAS. HIGH TEMPERATURES WILL RANGE FROM THE UPPER 80S COAST TO THE LOW TO MID 90S INLAND.
TEMPS THIS MORNING ARE ABOVE YESTERDAYS TREND WITH MOST LOCATIONS CURRENTLY IN THE LOW/MID 80S. IN TURN THIS ALSO INCREASED THE HEAT INDEX VALUES RANGING FROM THE LOW 90S IN SOUTHERN MIDDLE TN UP TO 104 IN CULLMAN. A COLD FRONT WILL THEN APPROACH THE AREA.
HIGH PRESSURE WILL PUSH IN FROM THE NORTHWEST. AREA OF HIGH PRESSURE WILL BE MOVING INTO THE UPPER MIDWEST BY THIS EVENING. A SECONDARY BOUNDARY WILL MOVE SOUTH THROUGH THE AREA AHEAD OF THE HIGH. THE UPPER RIDGE WILL BECOME ESTABLISHED FROM THE SOUTHERN TO WESTERN HIGH PLAINS TONIGHT AND WILL REMAIN IN PLACE THROUGH MUCH OF THE WEEK LEAVING IOWA IN A NORTHWEST FLOW REGIME.
AN UPPER LEVEL TROUGH OF LOW PRESSURE OFF THE WEST COAST WILL MAINTAIN DRY SOUTHWEST FLOW ALOFT THROUGH TUESDAY WITH SEASONAL TEMPERATURES.
727 AM CDT WED APR 6 2016 Still will see showers and scattered thunderstorms moving through the area today as upper trough currently extending from the Dakotas back into the central High Plains will move into eastern Illinois by 00Z tonight according to the NAM/GFS. The showers and scattered storms will be mainly focused ahead of the cold front between 12-18Z where the low level moisture convergence will move from west to east across the the CWA under the ascent ahead of the mid level trough. The rain will begin to end as the upper trough axis begins to move into the the area during the afternoon.
IS THE CLASSIC SPRING SIGNAL FOR WARMER THAN ANTICIPATED MAXES. RIDGE MOVES CLOSER WITH LIGHTER WINDS AND LOSS OF DOWNSLOPE FLOW SO MAXES AND MINIMUMS FRI NIGHT MAY BE A DEGREE OR FEW COOLER. -HOWERTON SURFACE OBSERVATIONS SHOW THE COLD FRONT HAS PUSHED SOUTHEAST OF THE STATE THIS MORNING WITH LINGER LIGHT RAIN SHOWERS MOVING EASTWARD ACROSS SOUTHEAST KANSAS. WITH KRSL/KSLN/KGBD LIKELY SEEING THE HIGHEST SUSTAINED AND GUSTY WINDS.
PRECIP COVERAGE IS RAPIDLY EXPANDING ACROSS WESTERN WI IN ADVANCE OF THE MID-LEVEL TROUGH/LOW CURRENTLY OVER NORTHERN MN. AROUND THE HIGH TERRAIN TO HERMAN. NAM SHOWS A 500 MB RIDGE OVER THE ROCKIES AND WESTERN U. WITH A DEEP TROUGH OVER THE ERN U. GFS AND ECMWF SHOW A DEEP AND COLD 500 MB TROUGH OVER THE ERN U. ANOTHER TROUGH MOVES INTO THE NORTHERN PLAINS 12Z SUN WITH ANOTHER ALBERTA-CLIPPER TYPE SYSTEM OVER THE NORTHERN PLAINS. THIS TROUGH MOVES INTO THE AREA SUN NIGHT INTO MON AND REMAINS INTO TUE OVER THE UPPER GREAT LAKES. SOUTHEAST WINDS UP TO 25 KNOTS WILL BECOME NORTHEAST AND INCREASE TO 20 TO 30 KNOTS FOR MOST OF THE LAKE THIS AFTERNOON AND TONIGHT AS LOW PRESSURE PASSES TO THE SOUTH. WINDS GRADUALLY DIMINISH THROUGH THURSDAY NIGHT AS WEAK RIDGING BUILDS ACROSS THE UPPER GREAT LAKES.
RIDGE BUILDING INTO THE REGION TODAY WITH SOME HIGH CLOUDS STREAMING BY IN THE WEAKENING NORTHWEST FLOW ALOFT. TEMPERATURES WARM TOMORROW AND WINDS WEAKEN AS THE RIDGE GOES OVERHEAD. A STRONG UPPER RIDGE TO THE SOUTHWEST WILL BUILD NORTHEAST.
LOWER CLOUDS WILL BEGIN TO INCRS AS A COLD FRONT APPROACHES THE AREA TODAY. /ISSUED 329 AM CDT WED APR 6 2016/ WATER VAPOR IMAGERY SHOWS A LOW PRESSURE SYSTEM OVER THE NORTHERN PLAINS MOVING OFF TO THE EAST. WITH A TROF EXTENDING DOWN THE PLAINS INTO THE SOUTHWEST U. A COLD FRONT IS REFLECTED AT THE SURFACE FROM THIS FEATURE. LOOKS LIKE WINDS JUST ABOVE THE SURFACE HAVE INCREASED ENOUGH IN RESPONSE TO THE ADVANCING TROF. MID AND HIGH LEVEL CLOUDS INCREASING AHEAD OF THE TROF. PUSHING A WEAK COLD FRONT INTO THE UPPER SOUTHEAST TEXAS PORTION OF THE FORECAST AREA BY LATE AFTERNOON. MOISTURE INCREASE AHEAD OF THE FRONT LOOKS TO STAY ON THE LOW SIDE. AND MAINLY IN THE LOWEST LEVELS OF THE ATMOSPHERE. MOISTURE MAINLY IN THE LOWEST LEVELS.
HOWEVER WIND GUSTS OF 35-40 MPH WITH THE LOW RELATIVE HUMIDITY AROUND 20 PERCENT WILL CAUSE ANY FIRES TO QUICKLY BECOME OUT OF CONTROL.
A WEAK DISTURBANCE OVER CANADA AND ASSOCIATED COLD FRONT WILL MOVE SOUTHEAST INTO NORTH DAKOTA THIS AFTERNOON AND EVENING. AFTERNOON TEMPERATURES TODAY WILL BE ABOUT 10 TO 15 DEGREES WARMER THAN YESTERDAY WITH 60S COMMON ACROSS OUR FORECAST AREA. STRONG NORTHWEST FLOW ALOFT TODAY WILL DECREASE SLIGHTLY ON THURSDAY AS AN UPPER LEVEL RIDGE TRIES TO MOVE IN FROM THE PACIFIC NORTHWEST.
As of 16Z, an upper level ridge is in place over the western United States with a trough of low pressure above the Mississippi Valley. Towards the surface, a dome of high pressure is located across the Rockies and into the Central High Plains.
1046 AM EDT WED APR 6 2016 HIGH PRESSURE OVER THE MID ATLANTIC REGION WILL SHIFT EAST TODAY. LOW LEVEL MOISTURE WILL BEGIN TO INCREASE LATER THIS AFTERNOON AS A COLD FRONT APPROACHES. AS MOISTURE INCREASES AHEAD OF AN APPROACHING COLD FRONT FROM THE NORTHWEST. WINDS WILL CONTINUE TO DECREASE THROUGH THIS AFTERNOON AS THE HIGH MOVES TO THE EAST. WINDS WILL INCREASE AGAIN THIS EVENING AHEAD OF AN APPROACHING COLD FRONT.
835 AM CDT WED APR 6 2016 Sending out an update to cancel the High Wind Warning and Wind Advisory for the area. Due to the weakened winds, the High Wind Warning and Wind Advisory have been cancelled. The first item of interest is a cold front barreling its way through the area this morning. Temperatures will be about 10 degrees cooler today and lessening winds should make it a nice afternoon and evening. This upper trough will weaken as it comes ashore along the West Coast Thursday, but disturbances in the southwesterly mid level flow could spark a few showers or storms across our area.
1121 AM CDT WED APR 6 2016 COLD FRONT MAKING GOOD PROGRESS INTO OUR NW ZONES ATTM. A COLD FRONT IS JUST ENTERING SOUTHEAST OKLAHOMA/NORTHEAST TEXAS.
/ISSUED 503 AM CDT WED APR 6 2016/ THE UPPER LEVEL TROUGH THAT BROUGHT ALL THE WINDS YESTERDAY AND OVERNIGHT WILL BE MOVING THROUGH THE CENTRAL PLAINS TODAY AS RIDGING AND NORTHWEST FLOW FILL IN BEHIND. THE NORTH AND EASTERN COUNTIES WILL STILL BE FEELING SOME OF THE EFFECTS OF THE TROUGH TODAY AS NORTHWEST WINDS MOVING THROUGH THE BACKSIDE OF THE TROUGH WIP THROUGH THE TIGHT PRESSURE GRADIENT. THE NORTH WINDS WILL KEEP DAYTIME HIGHS ABOUT 10 DEGREES COOLER THAN YESTERDAY AND CLOSER TO CLIMO. A BACKDOOR COLD FRONT WILL MAKE ITS WAY THROUGH THE AREA THURSDAY. WITH UPPER LEVEL RIDGING IN PLACE.
/ISSUED 339 AM CDT WED APR 6 2016/ WITH CIRRUS STREAMING ACROSS THE REGION AS AN UPPER LEVEL TROUGH SWINGS ACROSS THE GREAT PLAINS. A COLD FRONT STRETCHED FROM THE TEXAS PANHANDLE INTO THE NORTHERN PLAINS. THE COLD FRONT WILL CONTINUE TO PUSH SOUTH TODAY. THE HIGH RESOLUTION GUIDANCE SOLUTIONS ARE NOT ENTIRELY UNREASONABLE. CLOUD COVER AHEAD OF THE FRONT WILL KEEP HIGH TEMPERATURES A FEW DEGREES COOLER THAN YESTERDAY IN THE UPPER 70S TO NEAR 80. WITH DRY AND CLEAR CONDITIONS ALLOWING TEMPERATURES TONIGHT TO FALL INTO THE LOW TO MID 50S.
1244 PM EDT WED APR 6 2016 LOW PRESSURE OVER NEAR LAKE MICHIGAN WILL MOVE EAST TO THE THUMB OF MICHIGAN THIS EVENING. A TRAILING COLD FRONT WILL CROSS THE FORECAST AREA TONIGHT. THE LOW WILL DRIFT INTO QUEBEC WITH A SERIES OF TROUGHS ROTATING ACROSS THE GREAT LAKES INTO THE WEEKEND. POPS WILL RAMP UP THIS AFTERNOON AS THE UPPER TROUGH AND ASSOCIATED COLD FRONT APPROACH FROM THE WEST AND THE UPPER LEVEL DIVERGENCE ASSOCIATED WITH THE RIGHT ENTRANCE REGION OF THE JET OVERSPREADS THE REGION. MODELS IN GOOD AGREEMENT TRACKING THE LOW ACROSS SE LOWER MICHIGAN THIS EVENING AND ACROSS LAKE HURON OVERNIGHT. DRAGGING STRONG COLD FRONT ACROSS THE FORECAST AREA. DEEP UPPER TROUGH DIGS OVER THE AREA BY THE WEEKEND.
LARGE HIGH PRESSURE AREA WILL MOVE SEAWARD OF THE MIDDLE ATLANTIC COAST BUT MAINTAIN A BREEZY ONSHORE FLOW INTO LATE AFTERNOON. HIGH PRESSURE ALONG THE EASTERN SEABOARD WILL PUSH BUT BECOME BREEZY OUT OF THE SOUTHEAST/SOUTH LATER TONIGHT.
VFR FLIGHT SHOULD REMAIN IN PLACE UNTIL 01Z-04Z AS A COLD FRONT BRINGS A BAND OF SHOWERS TO THE VALLEY.
901 AM PDT WED APR 6 2016 ISSUED BY NWS SAN DIEGO FOR NWS LOS ANGELES/OXNARD TEMPERATURES WILL REMAIN WELL ABOVE SEASONAL AVERAGES INTO WEDNESDAY DUE TO HIGH PRESSURE AND OFFSHORE FLOW. A COUPLE OF LOW PRESSURE SYSTEMS WILL BRING COOLER WEATHER AND A CHANCE OF RAIN TO MOST OF THE AREA FOR THE END OF THE WEEK AND THE WEEKEND. ALSO THERE IS A GRIP OF HIGH LEVEL MOISTURE MOVING UP FROM THE UPPER LOW AND THIS CIRRUS SHIELD WILL ATTENUATE THE SUNSHINE. THE UPPER LOW ALSO MOVES CLOSER TO THE COAST AND ITS LIFT ALONG WITH THE ONSHORE FLOW WILL BE ENOUGH TO CREATE A LARGE BATCH OF MARINE LAYER STRATUS THAT WILL COVER THE COASTS AND ALMOST ALL OF THE VLYS. THE UPPER LOW OPENS UP INTO A BROAD NEG TILTED TROF AND WILL SWING THROUGH THE AREA.
A STRONG RIDGE IS EXPECTED TO PRODUCE RECORD HIGH TEMPERATURES OVER MUCH OF THE AREA TODAY AND THURSDAY.
709 AM EDT WED APR 6 2016 LOW PRESSURE OVER THE UPPER MIDWEST WILL MOVE ACROSS THE CENTRAL LAKES THIS EVENING. DRAGGING A COLD FRONT ACROSS THE FORECAST AREA. THE LOW WILL DRIFT INTO QUEBEC WITH A SERIES OF TROUGHS ROTATING ACROSS THE GREAT LAKES INTO THE WEEKEND. TEMPS WILL WARM INTO THE 50S AND DEW POINTS CREEP INTO THE 40S AHEAD OF THE APPROACHING COLD FRONT. MODELS IN GOOD AGREEMENT TRACKING THE LOW ACROSS SE LOWER MICHIGAN THIS EVENING AND ACROSS LAKE HURON OVERNIGHT. DRAGGING STRONG COLD FRONT ACROSS THE FORECAST AREA. DEEP UPPER TROUGH DIGS OVER THE AREA BY THE WEEKEND.
SOME LOW LEVEL CLOUDS ARE EXPECTED TO DEVELOP TODAY AS LOW LEVEL MOISTURE INCREASING ACROSS THE RIO GRANDE VALLEY AHEAD OF A COLD FRONT MOVING INTO CENTRAL TEXAS THIS MORNING. WATER IMAGERY SHOWS A VIGOROUS 500MB SHORT WAVE TROUGH EXTENDING FROM NORTH DAKOTA INTO NEW MEXICO EARLY THIS MORNING. TODAY WILL BE WARM WITH HIGH TEMPERATURES RANGING FROM THE LOWER 80S NEAR THE COAST. HIGH PRESSURE SETTLES ACROSS DEEP SOUTH TEXAS LATE TONIGHT INTO THURSDAY RESULTING IN LIGHT WINDS.
/ISSUED 515 AM CDT WED APR 6 2016/ MOSTLY CLOUDY AND MILD THIS MORNING WITH A WIDE RANGE OF TEMPERATURES AS SOME SITES ARE SHELTERED AND NEAR CALM WHILE OTHERS WITH SOME MIXING WIND ARE WARMER. THE MID SOUTH RADAR MOSAIC IS SHOWING SOME LIGHT SHOWERS TAKING SHAPE AHEAD OF THE COLD FRONT OVER SOUTHEAST OKLAHOMA. THE COLD FRONT EXTENDS FROM SW MO ACROSS MUCH OF OK INTO N TX.
LEANED TOWARD THE GFS GUIDANCE FOR CLOUD FORECAST THAT WAS NOT AS PESSIMISTIC WITH DRIER AIR IN THE LOW LEVELS. A SHORT WAVE TROUGH FROM THE CENTRAL PLAINS DOWN TO THE SOUTH PLAINS OF TEXAS THIS MORNING WILL QUICKLY MOVE SOUTHEAST TODAY AND BE LOCATED FROM THE MID AND LOWER MISSISSIPPI RIVER VALLEY TO THE NORTHWEST GULF OF MEXICO. THE ASSOCIATED COLD FRONT WAS MOVING INTO THE PERMIAN BASIN EARLY THIS MORNING. BUT DRIER AIR WILL WORK ITS WAY INTO THE REGION WITH TEMPERATURES FALLING INTO THE LOWER 50S ACROSS THE NORTHERN COUNTIES.
A STRONG RIDGE OF HIGH PRESSURE WILL BRING UNSEASONABLY WARM TEMPERATURES TO WESTERN WASHINGTON THE NEXT COUPLE DAYS.
THE APPROACH OF A COLD FRONT LATE TONIGHT WILL INCREASE THE CHANCES OF A SHOWER OR BRIEF PERIOD OF MVFR CIGS FOR KTPA/KPIE/KSRQ/KLAL AFTER 06Z. THE DRY BACK DOOR COLD FRONT IS MOVING THROUGH THE AREA THIS MORNING WITH HIGH PRESSURE RIDGING INTO THE AREA BEHIND IT. ALOFT THE UPPER TROUGH OVER THE AREA WILL SHIFT EAST BRINGING SOME ZONAL FLOW. ANOTHER COLD FRONT WILL THEN PUSH INTO THE AREA OVERNIGHT AND MOVE THROUGH THE AREA THURSDAY AS ANOTHER UPPER TROUGH MOVES OVER THE AREA WITH A CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE PERIOD.
A COLD FRONT IS JUST ENTERING SOUTHEAST OKLAHOMA/NORTHEAST TEXAS. /ISSUED 515 AM CDT WED APR 6 2016/ MOSTLY CLOUDY AND MILD THIS MORNING WITH A WIDE RANGE OF TEMPERATURES AS SOME SITES ARE SHELTERED AND NEAR CALM WHILE OTHERS WITH SOME MIXING WIND ARE WARMER. THE MID SOUTH RADAR MOSAIC IS SHOWING SOME LIGHT SHOWERS TAKING SHAPE AHEAD OF THE COLD FRONT OVER SOUTHEAST OKLAHOMA. THE COLD FRONT EXTENDS FROM SW MO ACROSS MUCH OF OK INTO N TX.
625 AM CDT WED APR 6 2016 A COLD FRONT WILL MOVE SE THROUGH THE STATE THROUGH THIS AFTERNOON. TODAY THROUGH THURSDAY NIGHT INCREASING CLOUD COVER AND SRLY FLOW HAVE KEPT TEMPS WARMER OVERNIGHT THAN IN PREVIOUS NIGHTS. WITH SCATTERED SHRA ONGOING OVER NERN OK INTO SWRN MO ALONG A COLD FRONT. THIS COLD FRONT WILL MOVE SE THROUGH THE STATE THIS WED.
639 AM CDT WED APR 6 2016 A COLD FRONT WILL CROSS SE TX TODAY REACHING THE NW ZONES AROUND NOON AND EVENTUALLY CROSSING THE COAST AROUND 00-01Z. /ISSUED 339 AM CDT WED APR 6 2016/ WITH CIRRUS STREAMING ACROSS THE REGION AS AN UPPER LEVEL TROUGH SWINGS ACROSS THE GREAT PLAINS. A COLD FRONT STRETCHED FROM THE TEXAS PANHANDLE INTO THE NORTHERN PLAINS. THE COLD FRONT WILL CONTINUE TO PUSH SOUTH TODAY. THE HIGH RESOLUTION GUIDANCE SOLUTIONS ARE NOT ENTIRELY UNREASONABLE. CLOUD COVER AHEAD OF THE FRONT WILL KEEP HIGH TEMPERATURES A FEW DEGREES COOLER THAN YESTERDAY IN THE UPPER 70S TO NEAR 80. WITH DRY AND CLEAR CONDITIONS ALLOWING TEMPERATURES TONIGHT TO FALL INTO THE LOW TO MID 50S.
WHILE STILL IN THE LOW TO MID 40S THE EXPECTATION IS THAT BY 00Z THIS EVENING WE SHOULD SEE A GOOD PORTION OF THE AREA RECOVER BACK INTO THE LOW 50S. BY AFTERNOON A COLD FRONT WILL BE APPROACHING FROM THE WEST WITH A LEADING TROUGH OUT AHEAD OF THE FRONT WITH SHOWERS AND THUNDERSTORMS MOVING INTO THE MID STATE DURING THE AFTERNOON AND INTO THE FIRST PART OF THE EVENING.
LOW PRESSURE WILL MOVE OVER SOUTHERN LAKE MICHIGAN TODAY SO WINDS WILL CONTINUE TO WEAKEN. WAVES WILL SUBSIDE THIS AFTERNOON AS THE LOW MOVES OVERHEAD AND THE SMALL CRAFT ADVISORY MAY NEED TO BE CANCELLED EARLY. ELSEWHERE SCT SHOWERS ARE EXPECTED THE REMAINDER OF THE DAY AS THE LOW PASSES IN ADDITION TO THE UPPER TROUGH PASSAGE FOR THE LATE AFT AND EARLY EVENING. WITH THE LOW MOVING ACROSS FAR SRN WI. A N-S TEMP GRADIENT IS EXPECTED WITH HIGHS IN THE LOWER TO MID 40S TOWARD CENTRAL WI AND LOWER 50S FAR SOUTH. NWLY WINDS AND COLD ADVECTION TO PREVAIL LATER THIS AFTERNOON AND TNT WITH TEMPS FALLING INTO THE LOWER 30S BY THU AM.
938 AM EDT WED APR 6 2016 LOW PRESSURE OVER WISCONSIN WILL MOVE ACROSS THE CENTRAL LAKES TO THE THUMB OF MICHIGAN THIS EVENING. A TRAILING COLD FRONT WILL CROSS THE FORECAST AREA TONIGHT. THE LOW WILL DRIFT INTO QUEBEC WITH A SERIES OF TROUGHS ROTATING ACROSS THE GREAT LAKES INTO THE WEEKEND. MIXING LAYER IS EXPECTED TO BE RATHER SHALLOW TODAY AND ONLY REACH THE BOTTOM OF THE LOW LEVEL JET. SO EXPECT WIND GUSTS TO INCREASE TO NEAR 40 KNOTS WEST OF I-71 AND THEN IN A NARROW REGION ALONG THE LAKE SHORE FROM ERI TO DKK WITH SOUTHERLY FLOW OFF THE HIGHER TERRAIN. MODELS IN GOOD AGREEMENT TRACKING THE LOW ACROSS SE LOWER MICHIGAN THIS EVENING AND ACROSS LAKE HURON OVERNIGHT. DRAGGING STRONG COLD FRONT ACROSS THE FORECAST AREA. DEEP UPPER TROUGH DIGS OVER THE AREA BY THE WEEKEND.
HIGH PRESSURE ALOFT ACROSS THE GREAT BASIN WILL BRING DRY CONDITIONS AND A WARMING TREND THROUGH THURSDAY.
A PERIOD OF COOL AND WET WEATHER WILL DEVELOP FROM THURSDAY NIGHT THROUGH THE WEEKEND AS MULTIPLE LOW PRESSURE SYSTEMS PASS THROUGH THE REGION. HIGH PRESSURE IN PLACE ACROSS NORTHERN ARIZONA WILL LEAD TO A DAY OF DRY WEATHER WITH BREEZY NORTH TO NORTHEAST WINDS.
AN AREA OF HIGH PRESSURE IS HANGING ONTO THE EASTERN SEABOARD THIS MORNING WHILE AN UPPER LOW IS MOVING ACROSS THE UPPER MISSISSIPPI RIVER VALLEY. THE UPPER LOW MENTIONED ABOVE WILL ADVANCE EASTWARD TODAY. WHILE THE RIDGE OVER THE EAST COAST WILL RETREAT OVER THE NORTH ATLANTIC THIS AFTERNOON. AS THE TROUGH MOVES EASTWARD. A LARGE AREA OF HIGH PRESSURE OVER THE EAST COAST STATES WILL MOVE EASTWARD TODAY. AN UPPER LOW AND TROUGH WILL CROSS THE MIDWEST TODAY. AND THE PRESSURE GRADIENT WILL WEAKEN AS THE TROUGH MOVES EASTWARD.
/ISSUED 512 AM EDT WED APR 6 2016/ A WEAK AND DIFFUSE COLD FRONT CONTINUES TO MOVE ACROSS THE FLORIDA PENINSULA AND ADJACENT WATERS EARLY THIS MORNING. MEANWHILE ANOTHER COLD FRONT IS FORECAST TO ENTER THE FLORIDA PANHANDLE AND NORTHEASTERN GULF TONIGHT INTO THURSDAY MORNING WHICH WILL CONTINUE A CHANCE OF SHOWERS ACROSS THE REGION TONIGHT WITH THE GREATEST COVERAGE CONTINUING TO BE ACROSS THE ATLANTIC WATERS AND EASTERN PENINSULA WHICH IS WHERE THE SURFACE AND LOW LEVEL CONVERGENCE WILL BE MOST FAVORABLE.
A COLD FRONT EXTENDING SOUTHWEST FROM A 1001 MB LOW OVER SOUTHERN WISCONSIN AND NORTHERN ILLINOIS CONTINUE TO PUSH EAST TOWARDS THE TENNESSEE VALLEY THIS MORNING. A WARM FRONT HAS SETUP AHEAD OF THIS COLD FRONT EXTENDING FROM MEMPHIS THROUGH NW MISSISSIPPI AND SOUTHEASTWARD INTO SOUTHERN ALABAMA AND GEORGIA. STRONG SOUTHWESTERLY FLOW BELOW 850 MB IS OCCURRING SOUTH AND WEST OF THIS WARM FRONT. THUS KEPT HIGHS A TAD WARMER THERE THAN PREVIOUS FORECAST. LIKELY ASSOCIATED WITH THE APPROACHING WARM FRONT. AS MODELS HINT AT SUBSIDENCE BEHIND THIS UPPER LEVEL ENERGY ASSOCIATED WITH THE WARM FRONT. AS A PRE-FRONTAL TROUGH AXIS BEHIND THE WARM FRONT MOVES INTO NW ALABAMA AND THEN SWEEPS QUICKLY EAST INTO GEORGIA BY MIDNIGHT. ALONG/AHEAD OF AN APPROACHING COLD FRONT.
GENERALLY ACROSS THE HIGHWAY 83 CORRIDOR. THE HIGHER END OF THE ABOVE MENTIONED SUSTAINED/GUSTS IS MORE FAVORED IN BOWMAN AND ADAMS COUNTIES. LATEST WATER VAPOR IMAGERY SHOWS THE AFOREMENTIONED UPPER LOW INTO SOUTHEASTERN SOUTH DAKOTA.
826 AM EDT WED APR 6 2016 THE COLD PRESSURE RIDGE IN THE FORECAST AREA EARLY TODAY WILL BE OFF THE COAST THIS AFTERNOON. WARMING WILL OCCUR IN THE SOUTH FLOW ON THE BACKSIDE OF THE HIGH AND AHEAD OF AN APPROACHING COLD FRONT. THE PRESSURE RIDGE EXTENDING THROUGH THE FORECAST AREA EARLY WILL BE OFF THE COAST THIS AFTERNOON. THE MODELS SHOW THE COLD FRONT MOVING INTO THE AREA LATE. FOLLOWED THE HIGHER LOW TEMPERATURE GUIDANCE BECAUSE OF MIXING ASSOCIATED WITH THE FRONT. THE BULK OF THE SHOWERS ASSOCIATED WITH THE COLD FRONT SHOULD BE EXITING THE FORECAST AREA EARLY THURSDAY.
A BUILDING RIDGE WILL BRING ABOVE NORMAL TEMPERATURES AND DRY CONDITIONS TO THE REGION THROUGH THURSDAY. HIGH PRESSURE CONTINUES TO BUILD OVER THE WEST COAST. TODAY WILL BE THE WARMEST DAY OF THE WEEK WITH THE RIDGE AXIS OVERHEAD AND OFFSHORE FLOW OVER THE REGION. THE ONSHORE GRADIENT IS LOOKING FAIRLY WEAK TODAY AS THE RIDGE AXIS IS OVERHEAD.
CHATTANOOGA AIRPORT, TN 67 48 66 45 / 40 90 20 30 KNOXVILLE MCGHEE TYSON AIRPORT, TN 65 47 60 41 / 30 90 40 50 OAK RIDGE, TN 65 47 62 42 / 30 90 40 50 TRI CITIES AIRPORT, TN 64 44 54 39 / 20 90 60 60.
WV INDICATING AN UPPER LEVEL LOW PRESSURE CENTER OFF THE BAJA COAST NEAR 24N/125W IS SPREADING SOME HIGH LEVEL MOISTURE NORTHWARD INTO SOCAL AND HAS PROVIDED FOR SOME HIGH CLOUDS OVER THE SOUTHERN HALF OF OUR CWFA WHILE FRESNO COUNTY NORTHWARD REMAINS CLEAR. WRF IS INDICATING THE UPPER LOW PUSHING SLOWLY NORTHEAST THROUGH THURSDAY WHICH WILL RESULT IN INCREASED EASTERLY FLOW OVER OUR AREA ALONG WITH INCREASING HIGH LEVEL MOISTURE. TEMPERATURES WILL WARM FURTHER TODAY AND AS A RESULT NEAR RECORD HIGHS ARE EXPECTED IN THE SAN JOAQUIN VALLEY TODAY WITH HIGHS IN THE FRESNO AREA EXPECTED TO NEAR 90 DEG F AND HIGHS IN THE SOUTH VALLEY EXPECTED TO REACH THE LOWER TO MID 90S. AS THE LOW MOVES CLOSER TO THE NORTHERN BAJA COAST ON THURSDAY.
641 AM CDT WED APR 6 2016 FOR 12Z TAFS /ISSUED 354 AM CDT WED APR 6 2016/ DRY WEATHER AND SLIGHTLY COOLER THAN AVERAGE TEMPERATURES CONTINUED ACROSS THE FORECAST AREA THIS MORNING. A LIGHT EASTERLY FLOW AROUND THIS RIDGE SHOULD BECOME MORE SE-LY AND INCREASE LATER THIS MORNING. THEN BECOME SW IN THE AFTERNOON AND EVENING BEFORE A COLD FRONT MOVES IN FROM THE WEST. AN UPPER LOW TRAVERSING THE NORTHERN PLAINS WAS HEADING EASTWARD. OTHER UPPER LOWS WERE HEADED TO THE EAST IN THE MAIN POLAR JET FROM THE NORTH PACIFIC. AND SOUTH OF UPPER RIDGING HOLDING STRONG OVER THE PACIFIC NW. MOS WHILE THE LAMP/ECMWF/SUPERBLEND ARE A BIT HIGHER INTO THE LOWER 50S. GOING WITH THE HIGHER VALUES. THE SYSTEM'S COLD FRONT SHOULD REACH OUR WESTERN AREAS IN THE EARLY EVENING. AND THE MEAN EASTERN TROUGH DEEPENS.
420 AM PDT WED APR 6 2016 High pressure will bring a rapid warming trend to the Inland Northwest.
THE COOLER AND FRESHER AIR SHOULD PERSIST THROUGH THE REST OF THE DAY. THE REGION WILL BE UNDER AN UPPER TROUGH TODAY. HIGH PRESSURE MOVES INTO THE REGION MON NIGHT/TUESDAY.
334 PM CDT MON JUL 6 2015 A COLD FRONT WILL MOVE SOUTHEAST INTO CENTRAL OKLAHOMA TONIGHT. AND WARM MOIST AIR IS FORCED NORTH OVER THE COOLER AIR NEAR THE SURFACE.
201 PM CDT MON JUL 6 2015 Upper ridge centered over S TX this morning will shift westward across Mexico. A broad upper ridge will remain across the southern tier of states Tuesday as an upper low moves ashore the West Coast. This low will slowly wobble eastward before lifting northward. A weak cold front should move down into the area tonight and slowly sag southward.
HIGH PRESSURE WILL BEGIN TO STRENGTHEN LEADING TO WARMER TEMPERATURES AND POSSIBLY AN INCREASE IN MOISTURE.
Several weak upper level disturbances will combine with a southward moving cold front to produce scattered thunderstorms across west Texas and southeast New Mexico the next 24 hours. Cold front will result in a wind shift and breezy north winds after 06z tonight at KCNM and KHOB. /ISSUED 355 AM CDT MON JUL 6 2015/ Heavy rain and cooler temperatures are still on track to affect the area over the next few days. The upper ridge that was persistent over the area last week has now flattened out across northern Mexico this morning.
A cold front will move into the western portion of West Central Texas late this evening with a chance of showers over the northern terminals beginning after midnight. Stratus moving north ahead of the cold front will degrade ceilings to MVFR at KJCT and KBBD by around 08Z. Highs will be in the lower to mid 90s. The Texas Tech WRF is indicating scattered thunderstorms developing across the high terrain of southwest Texas this afternoon. The combination of weak mid to upper level ascent, low level convergence along a cold front(to our northwest), increasing low level jet and some instability will bring a chance of showers and thunderstorms to much of West Central Texas. The hi res models indicate convection rapidly developing along cold front across the Texas Panhandle on east into Oklahoma this evening.
However, a cold front moving thru the Texas Panhandle is expected to fire things up again overnight, and TAFs will be further updated for convection as warranted. /ISSUED 201 PM CDT MON JUL 6 2015/ Upper ridge centered over S TX this morning will shift westward across Mexico. A broad upper ridge will remain across the southern tier of states Tuesday as an upper low moves ashore the West Coast. This low will slowly wobble eastward before lifting northward. A weak cold front should move down into the area tonight and slowly sag southward.
OVERNIGHT LOWS ARE EXPECTED TO BE GENERALLY IN THE LOWER 70S.
LOWS WILL BE IN THE LOW TO MID 70S OVER THE INTERIOR TONIGHT. HIGH TEMPERATURES ON TUESDAY ARE FORECAST TO GENERALLY RISE TO THE LOW 90S. HIGH PRESSURE WILL RIDGE OVER THE STATE AND ALOFT FROM THE ATLANTIC THROUGH MID WEEK.
HIGH PRESSURE WILL REMAIN CENTERED OVER THE SOUTHERN ROCKIES THROUGH MUCH OF THIS WEEK. A BROAD UPPER LOW WILL MOVE THROUGH THE EASTERN GREAT BASIN LATE IN THE WEEK. A SLOW MOVING AND WEAK SHORT WAVE TRANSLATING EAST ACROSS THE UT/ID BORDER AND A WEAK DISTURBANCE WITHIN AN INCREASINGLY MOIST RETURN FLOW ON THE WESTERN PERIPHERY OF THE HIGH OVER CENTRAL UTAH.
435 PM EDT MON JUL 6 2015 AN UPPER LEVEL LOW WILL CONTINUE TO MOVE EAST TONIGHT. A COLD FRONT WILL APPROACH THE AREA ON TUESDAY AND BEGIN TO MOVE THROUGH THE REGION TUESDAY EVENING INTO TUESDAY NIGHT. SHOWER AND THUNDERSTORM CHANCES ACROSS EXTREME EASTERN PORTIONS OF THE FA WILL TAPER OFF THIS EVENING AS THE UPPER LEVEL LOW CONTINUES TO MOVE TO THE EAST. SHOWER AND THUNDERSTORM CHANCES WILL INCREASE THROUGH THE DAY ON TUESDAY IN ADVANCE OF A COLD FRONTAL BOUNDARY. FRONTAL BOUNDARY WILL BE STRETCHED ACROSS THE FORECAST AREA AT THE BEGINNING OF THE PERIOD WITH WAVES OF LOW PRESSURE TRAVELING ALONG IT.
COLD FRONT TO PUSH SE TOWARD I-55 BY 12Z/TUE WITH INCREASING CHANCES OF SHOWERS AND THUNDERSTORMS FROM NW TO SE DURING THE EVENING OVER CENTRAL IL AND INTO SOUTHEAST IL LATER TONIGHT INTO TUE. LOWS TONIGHT RANGE FROM MID 60S NW OF THE IL RIVER TO THE LOWER 70S SE OF I-55 WHICH STAYS IN WARM SECTOR THROUGH TONIGHT.
MEDIUM COOLER AND DRIER AIRMASS DOMINATES IN THE WAKE OF DEPARTED COLD FRONT. LOW LEVEL THERMAL TROUGH WILL BE IN PLACE.
WEAK MID LEVEL TROUGH ESTABLISHES OR MOVES OVER WYOMING.