[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 082351
SWOMCD
SPC MCD 082351
TNZ000-KYZ000-ALZ000-090045-

MESOSCALE DISCUSSION 0035
NWS STORM PREDICTION CENTER NORMAN OK
0551 PM CST TUE JAN 08 2008

AREAS AFFECTED...NRN AL...MIDDLE TN THROUGH A PORTION OF CNTRL KY

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 082351Z - 090045Z

PRE-FRONTAL SQUALL LINE WITH EMBEDDED SUPERCELL AND BOWING
STRUCTURES FROM WRN TN INTO NERN AND CNTRL MS WILL LIKELY CONTINUE
EWD INTO PARTS OF NRN AL AND THE TN VALLEY. PRIMARY THREATS WILL BE
ISOLATED DAMAGING WIND ALONG WITH A CONTINUED THREAT FOR ISOLATED
TORNADOES. A WILL LIKELY BE NEEDED BY 0030Z.

PRE-FRONTAL SQUALL LINE FROM WRN TN THROUGH NERN AND CNTRL AL IS
MOVING EAST AT 40 TO 45 KT. THE LOW LEVEL JET WILL STRENGTHEN THIS
EVENING FROM NRN AL NEWD THROUGH THE TN AND OH VALLEY WITHIN ZONE OF
UPPER DIVERGENCE AND ASCENT DOWNSTREAM FROM EJECTING NEGATIVELY
TILTED UPPER TROUGH. THE BOUNDARY LAYER EAST OF ONGOING ACTIVITY IS
SLIGHTLY DRIER AND LESS UNSTABLE RESULTING IN MUCAPE GENERALLY AOB
500 J/KG. HOWEVER...VERY STRONG LOW LEVEL SHEAR WITH LARGE
HODOGRAPHS ALONG WITH FAVORABLE DEEP SHEAR WILL CONTINUE TO PROMOTE
EMBEDDED ORGANIZED STORM STRUCTURES INCLUDING BOWING SEGMENTS AND
SUPERCELLS AS ACTIVITY MOVES EAST NEXT FEW HOURS.

..DIAL.. 01/08/2008

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

ATTN...WFO...MRX...LMK...OHX...BMX...HUN...

36778508 35448557 34338599 33598617 33178701 33318805
34028815 34798787 36058692 36708626 37178566

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