SWOMCD
SPC MCD 281919
SCZ000-GAZ000-FLZ000-282015-
MESOSCALE DISCUSSION 0319
NWS STORM PREDICTION CENTER NORMAN OK
0219 PM CDT SAT MAR 28 2009
AREAS AFFECTED...NRN FL...SERN GA...COASTAL SC
CONCERNING...TORNADO WATCH 89...90...
VALID 281919Z - 282015Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 89...90...CONTINUES.
LARGE MCS HAS EVOLVED OVER MUCH OF GA/NRN FL/SC WHERE WELL DEFINED
MVC IS NOW PROGRESSING ACROSS ABBEVILLE COUNTY SC. AIRMASS IS NOT
PARTICULARLY UNSTABLE OVER SC WITH MLCAPE VALUES GENERALLY LESS THAN
500 J/KG...THOUGH MORE REASONABLE VALUES...ON THE ORDER OF 1000
J/KG...ARE NOTED AHEAD OF LEAD ACTIVITY OVER GA INTO NRN FL. WITH
LLJ FOCUSED ACROSS THIS REGION IT SEEMS REASONABLE THAT THIS
EXPANSIVE CONVECTIVE CLUSTER WILL CONTINUE TO STEADILY PROGRESS
ENEWD WHILE TRAILING FEEDER CELLS INITIATE OVER THE NERN GULF OF
MEXICO/FL PANHANDLE BEFORE MERGING INTO LARGER PRECIP SHIELD.
SEVERAL EMBEDDED SUPERCELL STRUCTURES ARE NOTED ALONG SRN FRINGE OF
BROADER PRECIP AND THIS APPEARS TO BE THE MOST LIKELY ZONE FOR
POSSIBLE ISOLATED TORNADOES FOR THE NEXT SEVERAL HOURS FROM THE
CNTRL FL PANHANDLE INTO SRN GA.
..DARROW.. 03/28/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...ILM...CHS...CAE...JAX...FFC...TAE...
LAT...LON 29578606 31268453 32298179 33568075 33207934 31498039
30488253 29108476 29578606
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