[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 261626
SWOMCD
SPC MCD 261626
ALZ000-TNZ000-MSZ000-LAZ000-261730-

MESOSCALE DISCUSSION 2003
NWS STORM PREDICTION CENTER NORMAN OK
1126 AM CDT TUE OCT 26 2010

AREAS AFFECTED...NRN MS AND A PORTION OF CNTRL MS

CONCERNING...TORNADO WATCH 721...

VALID 261626Z - 261730Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 721 CONTINUES.

TORNADO WATCH 721 WILL SOON BE REPLACED BY ANOTHER TORNADO WATCH
THAT WILL INCLUDE PORTIONS OF NRN AND CNTRL MS.

PRE-FRONTAL CLEARING IS DESTABILIZING THE BOUNDARY LAYER IN A
CORRIDOR FROM NERN LA THROUGH CNTRL AND NERN MS. DESPITE THE WARM
AND MOIST BOUNDARY LAYER WITH DEWPOINTS AROUND 70...MLCAPE IS
LIMITED TO 500-1000 J/KG ACROSS N-CNTRL AND NRN MS DUE TO THE
PRESENCE OF A COUPLE OF INVERSIONS. ONE LOCATED AROUND 750 MB AND A
WEAKER INVERSION NEAR 500 MB THAT IS CONTRIBUTING TO WEAK MID-LEVEL
LAPSE RATES. DESPITE THE MARGINAL THERMODYNAMIC ENVIRONMENT...A
WINDOW OF OPPORTUNITY MIGHT STILL EXIST FOR STORMS TO INTENSIFY IN
THIS REGION ALONG AND AHEAD OF FRONT GIVEN THE SIGNIFICANT WARMING
WITHIN THE BOUNDARY LAYER AND BEFORE THE LOW LEVEL WINDS GRADUALLY
VEER AND WEAKEN LATER THIS AFTERNOON.

..DIAL.. 10/26/2010

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

ATTN...WFO...HUN...MEG...JAN...

LAT...LON   33519095 34788915 35098809 33488854 32149100 33519095



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