[MCD] {Spam?} SWOMCD

Mon Mar 13 21:59:00 UTC 2006

ACUS11 KWNS 132200
SWOMCD
SPC MCD 132159 
TNZ000-GAZ000-ALZ000-MSZ000-132330-

MESOSCALE DISCUSSION 0288
NWS STORM PREDICTION CENTER NORMAN OK
0359 PM CST MON MAR 13 2006

AREAS AFFECTED...NORTHERN/EASTERN MS AND EASTERN/MIDDLE TN INTO
NORTHERN/WESTERN AL

CONCERNING...TORNADO WATCH 89...

VALID 132159Z - 132330Z

TORNADO WATCH 89 CONTINUES UNTIL 02Z ACROSS NORTHERN/EASTERN MS AND
MIDDLE TN INTO NORTHERN/WESTERN AL. POTENTIAL REMAINS FOR ISOLATED
TORNADOES AND DAMAGING WIND GUSTS...AND PERHAPS LARGE HAIL.

SEVERAL STORMS HAVE EXHIBITED PERSISTENT ROTATION FROM NORTHEAST MS
INTO MIDDLE TN OVER THE PAST HOUR OR SO...INCLUDING TORNADO REPORTS
WITH SUPERCELL THAT MOVED THROUGH WEBSTER COUNTY MS.
MESOANALYSIS SUPPORTED BY RUC SOUNDINGS/18Z JACKSON RAOB INDICATIVE
OF INCREASINGLY UNSTABLE AIRMASS...WITH MLCAPE VALUES OF 500-800
J/KG NOW EXTENDING NORTHEASTWARD INTO MIDDLE TN. WITH MODEST
INSTABILITY/LARGELY UNIDIRECTIONAL FLOW REGIME...SPEED SHEAR IN THE
LOWEST 1-2 KM HAS PROVED SUFFICIENT FOR LOW LEVEL MESOCYCLONES THIS
AFTERNOON. REGIONAL WSR-88D VWPS AND OKOLONA MS PROFILER SUGGEST
150-200 M2/S2 0-1 KM SRH...FAVORABLE FOR CONTINUED TORNADO POTENTIAL
VIA DISTINCT SUPERCELLS AND/OR DEVELOPING LEWPS. WILL MONITOR FOR AN
ADDITIONAL WATCH EASTWARD ACROSS EASTERN TN.

..GUYER.. 03/13/2006

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

ATTN...WFO...MRX...FFC...OHX...BMX...HUN...MEG...JAN...

35708809 36498713 36538476 36418414 35688430 34488582
33208677 32858752 32848838 32868909 33078939 33688953 

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