[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 252137
SWOMCD
SPC MCD 252136
TNZ000-ALZ000-MSZ000-ARZ000-252300-

MESOSCALE DISCUSSION 2083
NWS STORM PREDICTION CENTER NORMAN OK
0336 PM CST THU NOV 25 2010

AREAS AFFECTED...SERN AR...NRN MS AND A PORTION OF SWRN TN

CONCERNING...SEVERE THUNDERSTORM WATCH 752...

VALID 252136Z - 252300Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 752
CONTINUES.

MODEST THREAT FOR MAINLY ISOLATED DAMAGING WIND WILL PERSIST NEXT
COUPLE HOURS.

STORMS CONTINUE DEVELOPING ALONG COLD FRONT THAT EXTENDS FROM THE OH
VALLEY SWWD THROUGH WRN TN...NWRN MS AND SERN AR. THE FRONT IS
MOVING SEWD AT 15-20 KT. THE THERMODYNAMIC ENVIRONMENT WITHIN THE
PRE-FRONTAL WARM SECTOR REMAINS VERY MARGINAL WITH MLCAPE LESS THAN
500 J/KG. MOREOVER...RUC PFC DATA SHOW AN INVERSION NEAR 700 AND AS
A RESULT...DEEPER MORE ROBUST CONVECTION REMAINS CONFINED TO ZONE OF
STRONGER FORCING ALONG THE FRONT. ORIENTATION OF THE STEERING FLOW
PARALLEL TO THE FRONT HAS RESULTED IN A TENDENCY FOR STORMS TO BE
UNDERCUT BY THIS BOUNDARY SHORTLY AFTER THEY INITIATE. THIS TENDENCY
AND WEAK INSTABILITY HAVE BEEN LIMITING FACTORS FOR A MORE
SIGNIFICANT SEVERE EVENT. NEVERTHELESS STORMS REMAIN EMBEDDED WITHIN
STRONG VERTICAL SHEAR...AND THE THREAT FOR OCCASIONAL BOWING
SEGMENTS WITH ISOLATED DAMAGING WIND GUSTS SHOULD PERSIST ANOTHER
COUPLE HOURS.

..DIAL.. 11/25/2010

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

ATTN...WFO...OHX...HUN...MEG...JAN...LZK...SHV...

LAT...LON   33259224 33899083 34868934 35858796 35838748 34758834
            33129046 33259224


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