SWOMCD
SPC MCD 222138
ALZ000-FLZ000-MSZ000-LAZ000-222345-
MESOSCALE DISCUSSION 2130
NWS STORM PREDICTION CENTER NORMAN OK
0438 PM CDT MON OCT 22 2007
AREAS AFFECTED...SERN MS TO WRN FL PANHANDLE
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 222138Z - 222345Z
A VERY MOIST AIR MASS WITH UPPER 70 DEWPOINTS OVER GULF IS SLOWLY
MOVING ONSHORE SERN MS TO WRN FL PANHANDLE. MOB VAD WIND PROFILE
WITH SFC-1KM SHEAR OF 30KT COUPLED WITH LOW LCL'S SUPPORT THE
SUPERCELLS OBSERVED PRIMARILY OFFSHORE SERN MS/SWRN AL. SO FAR THE
HISTORY HAS BEEN FOR ROTATIONS TO WEAKEN AS THEY MOVE ONSHORE WHERE
AIR MASS A LITTLE LESS UNSTABLE. HOWEVER WITH THE TREND CONTINUING
FOR HIGHER DEWPOINTS WORKING INLAND...THE POTENTIAL FOR SUPERCELLS
ALONG WITH ISOLATED TORNADOES EXPECTED TO INCREASE DURING THE NEXT
2-3 HOURS.
.HALES.. 10/22/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...MOB...JAN...LIX...
30178950 30888920 31228863 31298819 31238764 30888721
30468703 29848708 29398761 29368869 29408889
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