Merry Christmas!
That area of low pressure off the Texas coast got started moving our way too slowly for it to bring us any decent amount of snow on Christmas Day Night.
Maybe a few flurries between 10pm and 3am Sunday morning.
Here’s what the National Weather Service is thinking for our area for the next few days…
SHORT TERM (TONIGHT THROUGH SUNDAY NIGHT)...ANOTHER CHILLY NIGHT IN STORE FOR US THIS EVENING AS TEMPERATURES ARE FORECAST TO FALL INTO THE LOW TO MID 30S REGIONWIDE. A SHREDDED CIRRUS DECK SHOULD HAVE ENOUGH INFLUENCE TO KEEP TEMPERATURES FROM FALLING INTO THE 20S AS WAS NOT THE CASE FOR MANY LOCATIONS THIS MORNING. ON SATURDAY SHORTWAVE TROFS DIVE OUT OF THE CENTRAL AND SOUTHERN PLAINS INTO THE SOUTHEASTERN U.S. AS THE SMALLER OF THESE SHORTWAVES ENTERS THE NORTHERN GOMEX AN ATTENDANT SURFACE LOW DEVELOPS. THESE FEATURES TRAVEL EAST THROUGH SATURDAY AND ARRIVE IN OUR LOCAL AREA BEGINNING LATE SATURDAY AFTERNOON. MODELS AGREE THAT ALTHOUGH THE LOW WILL PASS SOUTH ACROSS OUR MARINE ZONES...STRONG COLD AIR ADVECTION BEHIND THE LOW COUPLED WITH DECENT SYNOPTIC SCALE LIFT ASSOCIATED WITH THE PHASING SHORTWAVES WILL PROVIDE OUR LOCAL AREA WITH A SOLID BAND OF RAIN SATURDAY EVENING THROUGH SUNDAY MORNING. FOR SEVERAL DAYS...MODEL RUNS HAVE BEEN TOYING WITH THE IDEA OF SOME SORT OF FROZEN PRECIP DEVELOPING OVER OUR SOUTHEASTERN ALABAMA AND SOUTHERN GEORGIA LOCATIONS...HOWEVER...RECENT GUIDANCE IS IN GOOD AGREEMENT THAT THE ATMOSPHERE WILL BE TOO WARM TO SUPPORT THIS. HAVE LEFT A BRIEF 3-4 HOUR PERIOD WHERE LIGHT SNOW FLURRIES HAVE THE BEST CHANCE OF OCCURRING OVER OUR EXTREME NORTHERN GA ZONES. ANY FLURRIES THAT DO OCCUR OVERNIGHT (IF ANY) ARE NOT EXPECTED TO HAVE ANY IMPACT WHATSOEVER. BY SUNRISE THE BAND OF RAIN WILL BE EXITING OUR REGION TO THE EAST AND SKIES WILL GRADUALLY CLEAR THROUGHOUT THE AFTERNOON. THE BIG STORY WITH THIS SYSTEM IS THE FRIGID WEATHER SET TO FILTER IN BEHIND THE LOW. HIGH TEMPERATURES ON SUNDAY WILL STRUGGLE INTO THE 40S AND WITH WINDY CONDITIONS IN PLACE...MOST LOCATIONS WILL FEEL AS THOUGH TEMPERATURES ARE IN THE MIDDLE 30S TO LOWER 40S ALL DAY. SUNDAY NIGHT...TEMPERATURES FALL INTO THE MIDDLE TO LOW 20S REGIONWIDE WITH WIND CHILLS IN THE MID TO UPPER TEENS. .LONG TERM (MONDAY THROUGH NEXT FRIDAY)...EXTENDED BEGINS WITH A DEEP TROUGH OVER THE EASTERN U.S. WITH AN ARCTIC EXPRESS IN FULL SWING INTO OUR AREA. A DEEP SURFACE LOW IS APPROACHING THE NEW ENGLAND COAST AND HIGH PRESSURE IS PLUNGING INTO THE UPPER MS VALLEY PRODUCING A TIGHT NORTHERLY PRESSURE GRADIENT EXTENDING INTO THE DEEP SOUTH FROM EASTERN CANADA. THIS COLD AIR ADVECTION CONTINUES THROUGH TUESDAY MORNING AS HIGH PRESSURE GRADUALLY MAKES ITS WAY INTO THE SOUTHEAST U.S. WITH THE COLD DOME OF AIR CENTERED OVER NORTH FL, EASTERN GA, AND THE CAROLINAS WEDNESDAY MORNING. WIND CHILLS WILL BE AN ISSUE ON MONDAY AND TUESDAY. BY WEDNESDAY P.M...MID LEVEL FLOW ACROSS CONUS HAS BECOME SOMEWHAT ZONAL AS HIGH PRESSURE SLIDES OFF THE EASTERN SEABOARD. HOWEVER... ZONAL FLOW IS SHORT LIVED...WITH THE NEXT BIG PULSE COMING SOUTH ALONG THE PACIFIC COAST AMPLIFYING THE TROUGH IN THE FAR WEST. THE GFS IS MUCH MORE BULLISH ON THIS SYSTEM THAN THE ECMWF. HIGH PRESSURE RIDGING CONTINUES TO BUILD OFF THE EASTERN SEABOARD PRODUCING SOME WEAK BLOCKING ON THURSDAY. WHAT DOES ALL THIS DO TO OUR WEATHER...A WARNING TREND AND INCREASING MOISTURE ARE IN STORE FOR OUR REGION FOR THE REST OF THE EXTENDED. HARD FREEZE IS EXPECTED ON MONDAY AND TUESDAY WITH WIND CHILLS POSSIBLY GETTING INTO THE TEENS. A HARD FREEZE IS EXPECTED IN SOME LOCATIONS EVEN ON WEDNESDAY MORNING ACCORDING TO THE GFS. LATEST ECMWF SUGGESTS HIGH PRESSURE CENTERED RIGHT OVER NORTH FL ON WEDNESDAY MORNING...WHICH MIGHT INDICATE A POSSIBLE HARD FREEZE FOR ALL INLAND LOCATIONS FOR A THIRD STRAIGHT DAY. HIGH TEMPS ON MONDAY-WEDNESDAY WILL BE AROUND 50 GETTING TO NEAR 60 ON WEDNESDAY... THEN ABOVE NORMAL THURSDAY AND FRIDAY...EVEN INTO THE LOWER 70S FOR HIGHS BY FRIDAY.





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