[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 110433
SWOMCD
SPC MCD 110432
GAZ000-ALZ000-TNZ000-110630-

MESOSCALE DISCUSSION 0876
NWS STORM PREDICTION CENTER NORMAN OK
1132 PM CDT SAT MAY 10 2008

AREAS AFFECTED...SRN MIDDLE TN...NRN AL...NWRN GA

CONCERNING...TORNADO WATCH 300...302...

VALID 110432Z - 110630Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 300...302...CONTINUES.

04Z MESOANALYSIS PLACES A WARM FRONT ACROSS NERN AL INTO NWRN GA
WITH A BOUNDARY LAYER CHARACTERIZED BY MID-UPR 60S DEW POINTS
ALONG/S OF THE FRONT.  THIS WILL CONTRIBUTE TO SUFFICIENT
INSTABILITY TO SUPPORT TSTM DEVELOPMENT/MAINTENANCE DOWNSTREAM
ACROSS NRN AL/NWRN GA THROUGH 08Z.

SUPERCELLS HAVE EVOLVED INTO BOW ECHOES AND WERE MOVING 290/40.
CURRENT EXTRAPOLATION HAS THE STORMS ARRIVING HUNTSVILLE AND CULLMAN
BY 0530Z AND NEAR/N OF BIRMINGHAM/ONEONTA BETWEEN 06-0615Z.
PARTICULARLY DMGG WIND GUSTS ABOVE 65 KTS AND BOW HEAD
TORNADOES/EMBEDDED SUPERCELL STRUCTURES WILL CONTINUE TO BE A THREAT
AS THE ACTIVITY MOVES ACROSS NRN AL.  STORMS COULD REACH NWRN/WCNTRL
GA BY 0730-08Z.

OTHERWISE...ALONG/N OF THE WARM FRONT...TSTMS WILL LIKELY CONTINUE
TO EVOLVE DOWNSTREAM INTO PARTS OF ERN TN.  THERE APPEARS TO BE AN
MCV FORMING OVER MIDDLE TN.  THIS MAY AUGMENT LOW-LEVEL TURNING AND
ISOLD TORNADOES WILL BE POSSIBLE.  MAIN THREAT OVER MIDDLE/ERN TN
WILL BE DMGG WIND GUSTS AND HAIL.

..RACY.. 05/11/2008

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

ATTN...WFO...MRX...FFC...OHX...BMX...HUN...

35548761 35318614 34798511 34128491 33728513 33298614
33408703 34138786 34858785



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