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Displaying AFOS PIL: SWOMCD Product Timestamp: 2003-05-11 17:20 UTC
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865 ACUS11 KWNS 111721 SWOMCD SPC MCD 111720 GAZ000-ALZ000-FLZ000-MSZ000-LAZ000-111915- MESOSCALE DISCUSSION 0944 NWS STORM PREDICTION CENTER NORMAN OK 1220 PM CDT SUN MAY 11 2003 AREAS AFFECTED...SERN LA....SRN MS...SRN AND CENTRAL AL/GA...FAR NWRN FL CONCERNING...SEVERE THUNDERSTORM POTENTIAL VALID 111720Z - 111915Z LARGE SCALE FORCING HAS INCREASED OVER THE AREA AHEAD OF ADVANCING SHORTWAVE TROUGH MOVING OUT OF TX PER WV IMAGERY. A SUBTLE UPPER LEVEL SPEED MAX APPEARS TO BE MOVING ACROSS LA AHEAD OF THE TROUGH AND HAS AIDED IN CONVECTIVE DEVELOPMENT OVER CENTRAL LA. AN OUTFLOW BOUNDARY EXTENDING FROM 30 S OF MEI ENEWD TO 40 S OF FFC AS OF 17Z. EXPECT ADDITIONAL STRONG TO SEVERE CONVECTIVE DEVELOPMENT ALONG THIS BOUNDARY OVER THE NEXT FEW HOURS...AS INHIBITION IS WEAKENING. 35 TO 40 KTS OF SFC-6 KM SHEAR ALONG WITH MODERATE INSTABILITY /2000 J/KG OF MLCAPE/ WILL FAVOR THE POTENTIAL FOR LARGE HAIL. IF ADDITIONAL EARLY MORNING ELEVATED CONVECTION CAN ACCELERATE AND MOVE INTO THE WARM SECTOR A DAMAGING WIND THREAT WILL INCREASE..ESPECIALLY OVER ERN AL INTO CENTRAL GA. A WW MAY BE NEEDED FOR THIS AREA IN THE NEXT HOUR. ..CROSBIE.. 05/11/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...CHS...JAX...FFC...TAE...BMX...MOB...JAN...LIX... 29738959 30329134 31249017 33258385 31778202 31058552