[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 281844
SWOMCD
SPC MCD 281844
VAZ000-WVZ000-TNZ000-NCZ000-KYZ000-SCZ000-GAZ000-ALZ000-282045-

MESOSCALE DISCUSSION 1948
NWS STORM PREDICTION CENTER NORMAN OK
0144 PM CDT MON JUL 28 2008

AREAS AFFECTED...EASTERN KY/EASTERN TN/NORTHERN AL/NORTHERN GA/EXTRM
SW VA/WESTERN VA

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 281844Z - 282045Z

A FEW SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING
OVER PORTIONS OF EASTERN KENTUCKY/TENNESSEE...NORTHERN
ALABAMA/GEORGIA...EXTREME SOUTHWEST VIRGINIA...AND WESTERN VIRGINIA.
DAMAGING WIND GUSTS ARE THE MAIN THREAT...ALONG WITH LARGE HAIL. A
WEATHER WATCH IS NOT ANTICIPATED.

VERTICAL MOTION FROM A WEAKENING MESOSCALE CONVECTIVE VORTEX /MCV/
OVER CENTRAL KENTUCKY IS AIDING THE DEVELOPMENT OF A CLUSTER OF
STORMS OVER EASTERN KENTUCKY SOUTHWARD INTO CENTRAL AND EASTERN
TENNESSEE. INSTABILITY VALUES OF AROUND 500 TO 1000 J/KG EXIST AHEAD
OF THE MCV CENTER...INCREASING SOUTHWARD TO AROUND 2000 J/KG. STORMS
WILL CONTINUE TO INCREASE AS THE MCV MOVES SLOWLY EASTWARD...AND
GIVEN THE MODERATE INSTABILITY PLUS SOME VERTICAL SHEAR /0 TO 6KM
VALUES AROUND 30 KTS/ SOME STORM ORGANIZATION IS POSSIBLE. CURRENT
CLUSTER OF STORMS OVER EASTERN KENTUCKY WILL CONTINUE TO MOVE
EASTWARD INTO LOWER INSTABILITY AND WILL GRADUALLY WEAKEN OVER THE
NEXT SEVERAL HOURS...AS THE MCV DISSIPATES. FURTHER
SOUTH...INSTABILITY INCREASES AND STORMS THAT DEVELOP IN AND AROUND
TENNESSEE WILL GRADUALLY INTENSIFY THROUGH MAX HEATING THIS
AFTERNOON.

..LEVIT.. 07/28/2008

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

ATTN...WFO...RNK...RLX...GSP...MRX...JKL...FFC...ILN...LMK...OHX...BMX...HUN...

37578471 37638438 37778419 38048401 38158381 38388330
38338284 38258238 38038206 37768187 37408178 36888176
36608173 36258196 35658225 35468248 34938279 34678328
34598407 34388505 34308646 34688763 35098770 35338780
35668775 36338738 36728693 37148617 37398504



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