[BNAWX] Severe Storm Outlook Narrative

EMWIN Server emwin at nashvilleweather.net
Mon Jun 4 21:11:33 CDT 2012


ACUS11 KWNS 050211
SWOMCD
SPC MCD 050211
ALZ000-TNZ000-KYZ000-ILZ000-MSZ000-MOZ000-ARZ000-050345-

MESOSCALE DISCUSSION 1063
NWS STORM PREDICTION CENTER NORMAN OK
0911 PM CDT MON JUN 04 2012

AREAS AFFECTED...FAR WRN KY...EXTREME SERN MO...WRN TN

CONCERNING...SEVERE THUNDERSTORM WATCH 353...

VALID 050211Z - 050345Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 353
CONTINUES.

SUMMARY...STRONG TO SEVERE STORMS ARE EXPECTED TO CONTINUE FOR A FEW
MORE HOURS THIS EVENING. GIVEN THE 03Z EXPIRATION TIME OF WW 353 A
NEW SVR WATCH WILL LIKELY BE NEEDED FOR PORTIONS OF WRN KY INTO WRN
TN. STRONG TO LOCALLY DAMAGING WINDS AND HAIL WILL BE POSSIBLE WITH
THE STRONGEST STORMS.

DISCUSSION...SEVERE THUNDERSTORMS ACROSS EXTREME SERN MO MOVING INTO
WRN KY ARE EXPECTED TO CONTINUE S/SEWD THIS EVENING WITH STRONG
WINDS AND LARGE HAIL POSSIBLE. GIVEN THE 03Z EXPIRATION TIME OF WW
353...A NEW SVR WATCH WILL LIKELY BE NEEDED AND WILL EXTEND INTO
MUCH OF THE WESTERN HALF OF TN. HERE...THE AIRMASS REMAINS
MODERATELY UNSTABLE AND MOIST PER 00Z BNA ROAB AND 01Z SFC ANALYSIS.
CURRENT CONVECTION APPEARS TO HAVE RE-INTENSIFIED FROM A PERIOD OF
EARLIER WEAKENING DUE TO AN INCREASE IN DEEP LAYER SHEAR ON THE
ORDER OF 30-40 KT AS NOTED ON REGIONAL WSR-88D VAD WIND PROFILES. IN
CONJUNCTION WITH A SWD MOVING SFC BOUNDARY...THIS INCREASE IN DEEP
LAYER SHEAR SHOULD HELP TO MAINTAIN STORM ORGANIZATION FOR AT LEAST
A FEW MORE HOURS LATE THIS EVENING.

..LEITMAN/CORFIDI.. 06/05/2012

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

ATTN...WFO...LMK...OHX...HUN...PAH...MEG...

LAT...LON   37488961 37598843 37118729 36238665 35918651 35298630
            34988628 34998677 34988756 35029024 36019017 37028990
            37488961



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