[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 080437
SWOMCD
SPC MCD 080436
OHZ000-KYZ000-TNZ000-INZ000-ALZ000-MSZ000-080600-

MESOSCALE DISCUSSION 1923
NWS STORM PREDICTION CENTER NORMAN OK
1136 PM CDT FRI SEP 07 2012

AREAS AFFECTED...NORTHERN MS/AL AND CENTRAL/EASTERN PORTIONS OF
KY/TN INTO OH

CONCERNING...SEVERE THUNDERSTORM WATCH 633...

VALID 080436Z - 080600Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 633
CONTINUES.

SUMMARY...SEVERE TSTM WATCH 633 CONTINUES UNTIL 07Z. A SQUALL LINE
WILL CONTINUE TO POSE A RISK FOR DAMAGING WINDS THROUGH THE EARLY
PART OF THE OVERNIGHT...BUT ON AN INCREASINGLY MARGINAL/ISOLATED
BASIS FOR MOST AREAS WITHIN WW 633.

DISCUSSION...A LONG-LIVED SQUALL LINE...EXTENDING FROM SOUTHWEST OH
SOUTHWESTWARD INTO CENTRAL KY/WESTERN TN AND NORTHERN MS AS OF
0430Z...CONTINUES A STEADY GENERAL EAST-SOUTHEASTWARD PROGRESSION.
IN MOST AREAS AHEAD OF THE SQUALL LINE...THE BOUNDARY LAYER
CONTINUES TO SLOWLY COOL WITH INCREASING CINH...WITH A CORRESPONDING
GRADUAL LOSS OF UPDRAFT INTENSITY WITH THE SQUALL LINE /ESPECIALLY
SOUTHWEST OF NORTHERN TN/. WHILE DAMAGING WINDS WILL REMAIN POSSIBLE
IN THE SHORT-TERM...A GENERAL WEAKENING TREND SHOULD CONTINUE TO
OCCUR...ALTHOUGH A LONGER SUSTENANCE/PERHAPS INTENSIFICATION COULD
OCCUR OVERNIGHT ACROSS PORTIONS OF KY/OH TO WV.

..GUYER.. 09/08/2012

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

ATTN...WFO...RLX...JKL...ILN...LMK...OHX...BMX...HUN...PAH...
MEG...

LAT...LON   34198997 34808881 37168708 38998470 39328380 38598278
            37008472 34258700 34198997



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