FXUS64 KHUN 120208 AAB AFDHUN AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE HUNTSVILLE AL 908 PM CDT TUE MAR 11 2014 .UPDATE... THUNDER REMOVED FROM THE FORECAST TONIGHT AND SHORT TERM GRIDS REFRESHED BASED ON THE LATEST TRENDS. && .DISCUSSION... UPPER LOW/TROUGH CONTINUES TO GRADUALLY MOVE E/NEWD ALONG THE CNTRL GULF COAST...WITH LIGHT SHOWERS GRADUALLY MOVING NWD ACROSS SRN/CNTRL AL WELL AHEAD OF THE SYSTEM. THIS LIGHT RAIN SHOULD BEGIN TO SPREAD INTO THE AREA WITHIN THE NEXT FEW HRS...AS THE SFC WAVE ASSOCIATED WITH THE UPPER LOW FEATURE BEGINS TO LIFT TOWARD THE NE. INCOMING MODEL GUIDANCE CONTINUES TO SHOW QUITE A BIT OF LIGHT QPF SPREADING ACROSS THE CNTRL/ERN HALF OF THE FORECAST AREA OVERNIGHT...WITH SOME ADDITIONAL RAIN MOVING INTO THE WRN HALF OF THE AREA TOWARD THE MORNING HRS WED AHEAD OF THE ONCOMING MOD ARCTIC/POLAR FRONT. LATEST GUIDANCE IS HINTING AT ANY LOW-LEVEL INSTABILITY QUICKLY DIMINISHING BY 06Z...AND LIKEWISE THE CHANCE OF ANY ISO EMBEDDED TSTMS DEVELOPING IS FAIRLY LOW NOW. AS SUCH...THE PROB FOR ISO TSTMS HAS BEEN REMOVED FROM THE FORECAST FOR THE REMAINDER OF TONIGHT...TO GO ALONG WITH SLIGHTLY HIGHER RAIN CHANCES ALONG/E OF THE I-65 CORRIDOR. OTHER THAN TO REFRESH SOME OF THE CURRENT GRIDS...NO OTHER MAJOR CHANGES ARE NEEDED AT THIS POINT. 09 && .AVIATION... /ISSUED 644 PM CDT TUE MAR 11 2014/ FOR 00Z TAFS...EVEN WITH MID LEVEL BKN/OVC CLOUDS DECKS OVERSPREADING THE AREA FROM THE S...VFR CONDS PREVAIL FOR NOW. CONDS WILL BEGIN TO LOWER INTO THE MVFR CAT LATER THIS EVENING...AS AN UPPER LOW PRESSURE SYSTEM OUT OF THE CNTRL GULF COAST TRANSLATES NEWD...WITH -RA/SHRA MOVING INTO THE AREA FROM THE SW. OVERALL CONDS MAY LOWER INTO THE IFR CAT IN AND NEAR HEAVIER SHRA EARLY WED MORNING...WITH LLWS OUT OF THE SW/W DEVELOPING IN RESPONSE TO THE UPPER LOW TRAVERSING ACROSS THE AREA. SFC WINDS ARE THEN XPCTED TO INCREASE OUT OF THE NW LATE WED MORNING...AS A MOD ARCTIC COLD FRONT SWEEPS INTO THE REGION FROM THE NW IN THE WAKE OF THE PASSING UPPER LOW PRESSURE FEATURE. 09 && .HUN WATCHES/WARNINGS/ADVISORIES... AL...WIND ADVISORY FROM 10 AM TO 4 PM CDT WEDNESDAY FOR ALZ001>010-016. TN...WIND ADVISORY FROM 10 AM TO 4 PM CDT WEDNESDAY FOR TNZ076-096-097. && $$ FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WEATHER.GOV/HUNTSVILLE.
Posted on: Wed, 12 Mar 2014 02:09:44 +0000
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