Monday, November 5, 2012

MESO: Mesoscale Discussion 2105

ACUS11 KWNS 060333
SWOMCD
SPC MCD 060333
LAZ000-060430-

MESOSCALE DISCUSSION 2105
NWS STORM PREDICTION CENTER NORMAN OK
0933 PM CST MON NOV 05 2012

AREAS AFFECTED...SERN LA

CONCERNING...SEVERE THUNDERSTORM WATCH 674...

VALID 060333Z - 060430Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 674
CONTINUES.

SUMMARY...THREAT FOR ISOLATED DAMAGING WIND AND HAIL WILL PERSIST AT
LEAST THROUGH 05Z ACROSS SERN LA. HOWEVER...IT APPEARS OVERALL
SEVERE THREAT IS BECOMING INCREASINGLY MARGINAL...AND MOST OF WW 674
WILL LIKELY NEED TO BE CANCELLED WELL BEFORE EXPIRATION TIME OF 07Z.

DISCUSSION...SCATTERED STORMS CONTINUE DEVELOPING ALONG PRE-FRONTAL
CONFLUENCE ZONE FROM THE NWRN GULF INTO EXTREME SERN LA. DEEP LAYER
WINDS ARE VEERING TO NWLY IN WAKE OF VORT MAX MOVING THROUGH LOWER
MS VALLEY...AND THIS SHOULD PROMOTE MOST OF ACTIVITY MOVING OFFSHORE
BY 05Z. OVERALL INTENSITY AND ORGANIZATION HAVE DECREASED LIKELY DUE
TO THE STABILIZING SFC LAYER. HOWEVER...40-50 KT EFFECTIVE SHEAR MAY
CONTINUE TO SUPPORT SOME ORGANIZATION WITH ONGOING STORMS.

..DIAL.. 11/06/2012

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

ATTN...WFO...LIX...LCH...

LAT...LON 29749050 29568966 29488902 29248897 29018940 29109092
29469206 29589098 29749050

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