[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 041521
SWOMCD
SPC MCD 041521
TNZ000-KYZ000-ILZ000-MSZ000-MOZ000-ARZ000-041645-

MESOSCALE DISCUSSION 1851
NWS STORM PREDICTION CENTER NORMAN OK
1021 AM CDT THU AUG 04 2011

AREAS AFFECTED...SERN MO / NERN AR / FAR WRN KY / WRN TN / NRN MS

CONCERNING...SEVERE THUNDERSTORM WATCH 726...

VALID 041521Z - 041645Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 726
CONTINUES.

AN ISOLATED THREAT FOR DAMAGING WINDS CONTINUED ALONG LEADING EDGE
OF MCS COLD POOL ADVANCING TOWARD THE MS RIVER WITH ISOLATED SEVERE
WEATHER POSSIBLE WITH MORE RECENT TSTM DEVELOPMENT OVER WRN TN.

LONG-LIVED MCS APPEARS TO BE IN THE PROCESS OF DECAY OVER SRN MO AS
SYSTEM COLD POOL HAS OVERWHELMED AMBIENT SHEAR WITH GUST FRONT
SURGING WELL AHEAD OF PARENT UPDRAFTS.  SOME POTENTIAL STILL EXISTS
FOR LOCALLY DAMAGING WIND GUSTS IN CONJUNCTION WITH ANY ROBUST
UPDRAFT DEVELOPMENT THAT CAN OCCUR ALONG THE LEADING EDGE OF THE
COLD POOL SURGING EWD TOWARD CGI.

ELSEWHERE...ISOLATED TSTM DEVELOPMENT HAS RECENTLY OCCURRED S OF MKL
AT THE INTERSECTION OF MERGING OUTFLOW BOUNDARIES.  HERE...VERTICAL
SHEAR IS RATHER WEAK...BUT THE PRESENCE OF A WARMING/DESTABILIZING
BOUNDARY LAYER MAY SUPPORT VIGOROUS UP/DOWNDRAFT DEVELOPMENT WITH AN
ATTENDANT RISK FOR DAMAGING WINDS.

..MEAD.. 08/04/2011

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

ATTN...WFO...OHX...PAH...MEG...

LAT...LON   36838991 37258969 37198907 36818815 35668810 35138830
            34988916 35288957 35848984 36838991


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