SWOMCD
SPC MCD 021452
GAZ000-FLZ000-021615-
MESOSCALE DISCUSSION 2185
NWS STORM PREDICTION CENTER NORMAN OK
0852 AM CST WED DEC 02 2009
AREAS AFFECTED...SRN GA...NRN FL
CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY
VALID 021452Z - 021615Z
SEVERE THUNDERSTORMS INCLUDING SUPERCELLS CONTINUE TO DEVELOP IN A
STRONG SHEAR ENVIRONMENT FROM SERN AL SWD ACROSS FL PANHANDLE INTO
GULF. WARM FRONT HAS MOVED ONSHORE COASTAL FL PANHANDLE AND WILL
QUICKLY DEVELOP INLAND EWD ACROSS ALL OF NRN FL NEXT 2-3 HOURS AS
SURFACE LOW DEEPENS NEWD ACROSS NRN AL INTO MIDDLE TN.
80-100KT 500MB WIND MAX WILL ROTATE NEWD ACROSS FL PANHANDLE INTO
SRN GA EARLY THIS AFTERNOON AND COUPLED WITH A 60-70KT 850 JET WILL
SPREAD SHEAR IN SUPPORT OF SUPERCELLS AND POSSIBLE TORNADOES EWD
ACROSS SRN GA/NRN FL NEXT SEVERAL HOURS.
ALTHOUGH MLCAPES IN WARM SECTOR WILL GENERALLY ONLY INCREASE TO
AROUND 1000 J/KG...SRH OF 600 M2/S2 NOW OBSERVED ON THE TLH
VAD...MORE THAN SUFFICIENT CONDITIONS FOR TORNADIC SUPERCELLS WILL
DEVELOP EWD SRN GA/NRN FL.
..HALES.. 12/02/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...CHS...TBW...JAX...FFC...TAE...
LAT...LON 31878440 32218386 32588284 32348202 31628141 31148146
30398164 30008192 29478235 29148302 29398389 31878440
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