[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 282332
SWOMCD
SPC MCD 282332 
FLZ000-ALZ000-MSZ000-LAZ000-290100-

MESOSCALE DISCUSSION 2105
NWS STORM PREDICTION CENTER NORMAN OK
0632 PM CDT SUN AUG 28 2005

AREAS AFFECTED...PORTIONS SERN LA...SRN MS...SWRN AL...WRN FL
PANHANDLE

CONCERNING...TORNADO WATCH 752...

VALID 282332Z - 290100Z

TORNADO POTENTIAL IS EXPECTED TO INCREASE THROUGH 2Z OVER SANTA
ROSA/ESCAMBIA COUNTIES FL...COASTAL COUNTIES OF AL/MS...WWD ACROSS
I-10/I-12 CORRIDOR AROUND BOTH SIDES OF LAKE PONTCHARTRAIN AND NWD
TO E-W SEGMENT OF LA/MS BORDER.  

PROMINENT SPIRAL BAND -- CONTAINING DISCRETE CELLS WITH POTENTIAL TO
BECOME SUSTAINED SUPERCELLS -- WAS EVIDENT AT 2330Z FROM ABOUT 25 S
PNS WNWWD TO JUST OFFSHORE DAUPHIN ISLAND THEN WWD TOWARD LAKE
BORGNE.  EXPECT THIS BAND TO SHIFT NNWWD IN TUNE WITH AMBIENT
HURRICANE TRANSLATION...AS INDIVIDUAL CELLS MOVE WNWWD.  ENVIRONMENT
WILL BE CHARACTERIZED BY STEADILY INCREASING DEEP-LAYER WIND
PROFILES AND MORE FAVORABLE VERTICAL SHEAR...WITH 0-1 KM SRH ALREADY
200-300 J/KG OVER MOB REGION BASED ON VWP HODOGRAPHS AND OBSERVED
STORM MOTIONS. SRH WILL CONTINUE TO DIMINISH WWD ACROSS SERN LA AND
EWD ACROSS FL PANHANDLE...WITH MAX LOCATED IN PERIPHERAL NERN
QUADRANT...SHIFTING SLOWLY INLAND OVER SWRN AL AND SRN MS.

REF NHC ADVISORIES FOR LATEST TRACK/INTENSITY FORECASTS AND
WARNING/WATCH INFO REGARDING CATEGORY 5 HURRICANE KATRINA.

..EDWARDS.. 08/28/2005

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...TAE...MOB...JAN...LIX...

29508636 28959081 31439079 31958636 

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