[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 302330
SWOMCD
SPC MCD 302329
TNZ000-ALZ000-MSZ000-310030-

MESOSCALE DISCUSSION 1729
NWS STORM PREDICTION CENTER NORMAN OK
0629 PM CDT THU JUL 30 2009

AREAS AFFECTED...PORTIONS OF TN/MS/AL

CONCERNING...SEVERE THUNDERSTORM WATCH 639...640...642...

VALID 302329Z - 310030Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
639...640...642...CONTINUES.

THREAT FOR DMGG WINDS AND ISOLD TORNADOES WILL PERSIST ACROSS
WW639/642 WITH A GREATER TORNADIC THREAT REMAINING ACROSS WW640.

A BROKEN LINE OF CONVECTION INCLUDING EMBEDDED SUPERCELLS CONTINUES
TO PROGRESS EWD THROUGH NRN MS/WRN TN THIS EVENING. ALTHOUGH SEVERAL
PREVIOUSLY TORNADIC SUPERCELLS AHEAD OF THE MAIN LINE ARE NOW BEING
ABSORBED...SHEAR PROFILES AND VERY BUOYANT AIRMASS REMAIN FAVORABLE
FOR ROTATING STORMS CAPABLE OF PRODUCING DMGG WINDS AND OCCASIONAL
TORNADOES. FARTHER S...A BOWING SEGMENT IS QUICKLY MOVING ENEWD
THROUGH E CNTRL/NERN MS...WHILE AN ADDITIONAL BROKEN LINE OF
CONVECTION IS MOVING NWD THROUGH AL. AN OUTFLOW BOUNDARY HAS SURGED
NWD AHEAD OF THE AL CONVECTION...AND IS ORIENTED ROUGHLY W-E N OF
COLUMBUS MS. ALTHOUGH STRONGER EFFECTIVE SHEAR REMAINS TO THE N OF
THIS...AUGMENTED SURFACE WINDS ALONG/NEAR THE OUTFLOW BOUNDARY MAY
PROVIDE FAVORABLE VEERING OF LOW LEVEL WINDS...SUPPORTING OCCASIONAL
STORM ROTATION.

..HURLBUT.. 07/30/2009

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

ATTN...WFO...MRX...OHX...BMX...HUN...MEG...JAN...

LAT...LON   32848615 32558879 33069048 34119043 35568959 36438906
            36478721 35208577 32848615

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