[MCD] SWOMCD

Fri May 26 09:01:13 UTC 2006

ACUS11 KWNS 260857
SWOMCD
SPC MCD 260857 
TNZ000-GAZ000-ALZ000-MSZ000-261030-

MESOSCALE DISCUSSION 0984
NWS STORM PREDICTION CENTER NORMAN OK
0357 AM CDT FRI MAY 26 2006

AREAS AFFECTED...PORTIONS SRN TN...EXTREME NRN AL...EXTREME
N-CENTRAL/NERN MS.

CONCERNING...SEVERE THUNDERSTORM WATCH 401...

VALID 260857Z - 261030Z

BULK OF REMAINDER OF WW MAY BE ALLOWED TO EXPIRE AS SCHEDULED AT
10Z...WITH 1-2 HOUR LOCAL EXTENSION OPTION AVAILABLE IF NECESSARY. 
TSTMS ARE EVIDENT ALONG/BEHIND MUCH OF OUTFLOW BOUNDARY THAT IS
MOVING SEWD/SWD THROUGH AREA BETWEEN CHA-CSV...AND ACROSS NRN AL AND
SWRN TN.  IR CLOUD TOPS HAVE WARMED AND REFLECTIVELY HAS WEAKENED
OVERALL WITH  MOST OF THIS ACTIVITY...EXCEPT FOR STRONG-SEVERE LINE
SEGMENT NOW MOVING SSEWD ACROSS SWRN TN TOWARD MS BORDER.  THIS
ACTIVITY HAS BEST ACCESS TO WLY 20-30 KT LLJ AND ASSOCIATED PLUME OF
MOISTURE TRANSPORT AND LOW LEVEL WAA.  EXPECT ISOLATED LARGE HAIL
AND GUSTS NEAR SEVERE LEVELS AS THIS CONVECTION MOVES BASICALLY
SWD...WHEN COMBINING SEWD TRANSLATIONAL AND SWWD PROPAGATIONAL MCS
MOTION VECTOR COMPONENTS.  HOWEVER...ORGANIZATION WILL BE
LIMITED...WITH DEEP-LAYER SHEAR AND ELEVATED MUCAPE DIMINISHING 
WITH SWD EXTENT THROUGH NRN/CENTRAL MS.

..EDWARDS.. 05/26/2006

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

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

34838994 35498979 35768954 35678902 35098764 35608498
34728581 34288953 