[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 250428
SWOMCD
SPC MCD 250427
GAZ000-TNZ000-ALZ000-MSZ000-250530-

MESOSCALE DISCUSSION 0387
NWS STORM PREDICTION CENTER NORMAN OK
1127 PM CDT SAT APR 24 2010

AREAS AFFECTED...EAST CENTRAL MS/PARTS OF CENTRAL-NRN AL AND NWRN GA

CONCERNING...TORNADO WATCH 99...

VALID 250427Z - 250530Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 99 CONTINUES.

OBJECTIVE ANALYSES SHOWED LOW LEVEL MOISTURE HAS CONTINUED TO RETURN
NNEWD INTO ERN AL/NWRN GA.  THIS COMBINED WITH PLUME OF STEEP
MIDLEVEL LAPSE RATES HAVING SPREAD ACROSS AL INTO CENTRAL GA WILL
CONTINUE TO SUPPORT DESTABILIZATION OVERNIGHT WITH MODERATE
INSTABILITY SHIFTING FROM W-E ACROSS WW 99.

ALTHOUGH LOW LEVEL WINDS HAVE BEGUN TO VEER PER VWP DATA OVER AL
INTO WRN GA...WIND SPEEDS HAVE INCREASED AND LOW LEVEL HODOGRAPH
CURVATURE REMAINS SUFFICIENT /O-1 KM SRH 300-500 M2/S2/ FOR STORM
ROTATION AND CONTINUED TORNADO THREAT.

..PETERS.. 04/25/2010

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

ATTN...WFO...GSP...MRX...FFC...BMX...HUN...MOB...JAN...

LAT...LON   32098890 33838724 35018609 34958353 33748418 31808708
            31868908 32098890



This weather bulletin was brought to you by:
www.nashvilleweather.net