SWOMCD
SPC MCD 081913
GAZ000-FLZ000-ALZ000-082045-
MESOSCALE DISCUSSION 2317
NWS STORM PREDICTION CENTER NORMAN OK
0213 PM CDT WED OCT 08 2008
AREAS AFFECTED...SE AL...SW GA...FL PANHANDLE
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 081913Z - 082045Z
AN ISOLATED TORNADO THREAT WILL CONTINUE THIS AFTERNOON ACROSS SE
AL...SW GA AND THE FL PANHANDLE. THE THREAT SHOULD REMAIN MARGINAL
AND A WW IS NOT ANTICIPATED ACROSS THE REGION.
19Z SFC ANALYSIS AND RADAR DATA CURRENTLY SHOW A COLD FRONT ACROSS
WRN AL WITH A MOIST AXIS EXTENDING NWD ACROSS ERN AL WHERE DEWPOINTS
ARE IN THE LOWER 70S F. A STATIONARY FRONT EXISTS SEWD ACROSS SERN
AL INTO NRN FL WITH THE RUC INDICATING AN AXIS OF INSTABILITY
LOCATED SOUTH OF THE BOUNDARY ACROSS THE FL PANHANDLE WHERE SBCAPE
VALUES RANGE FROM 1500 TO 2500 J/KG. NUMEROUS THUNDERSTORMS ARE
ONGOING ALONG THE INSTABILITY AXIS AND THIS ACTIVITY SHOULD SPREAD
EWD INTO SWRN GA AND INTO NRN FL LATER THIS AFTERNOON. MODERATE
VERTICAL SHEAR EVIDENT ON REGIONAL WSR-88 VWPS COMBINED WITH ABOUT
25 KT OF LOW-LEVEL SHEAR DUE TO A LOW-LEVEL JET OVER WRN GA MAY
SUPPORT A FEW ROTATING STORMS WITH TORNADO POTENTIAL. A TORNADO MAY
OCCUR ESPECIALLY AS THE STORMS CROSS THE STATIONARY FRONT WHERE
HELICITIES SHOULD BE LOCALLY MAXIMIZED.
..BROYLES.. 10/08/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FFC...TAE...BMX...MOB...
30018602 30168650 30438665 31078654 32068625 32808583
33268547 33468504 33268451 32528431 31508424 31018423
30408437 30098482 30018555 30018577
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