[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 301908
SWOMCD
SPC MCD 301906 
VAZ000-NCZ000-302100-

MESOSCALE DISCUSSION 2151
NWS STORM PREDICTION CENTER NORMAN OK
0206 PM CDT MON AUG 30 2004

AREAS AFFECTED...SRN/ERN VA...NERN NC...SRN MD

CONCERNING...TORNADO WATCH 797...

VALID 301906Z - 302100Z

SEVERAL BANDS OF ENHANCED THUNDERSTORMS CONTINUE TO LIFT SLOWLY NWD
ACROSS SOUTH CENTRAL AND SERN VA AHEAD OF CIRCULATION CENTER
ASSOCIATED WITH TD GASTON.  THIS SYSTEM IS MOVING ENEWD ACROSS
HALIFAX COUNTY NC...WITH WELL-DEFINED SURFACE CONVERGENCE BOUNDARY
EXTENDING FROM THE LOW CENTER ACROSS THE TIDEWATER REGION.  VERY
MOIST AIR MASS WITH SURFACE DEW POINTS IN THE MID/UPPER 70S IS
CONTRIBUTING TO UNSTABLE ENVIRONMENT WITH SBCAPE OF 2000-3000 J/KG. 
VAD PROFILE FROM KAKQ CONTINUES TO SHOW SUFFICIENT LOW LEVEL SHEAR
AND HELICITY SUPPORTIVE OF SMALL SUPERCELLS...AND ENVIRONMENTAL
CONDITIONS INDICATE POTENTIAL FOR ISOLATED BRIEF TORNADOES TO
DEVELOP.

..WEISS.. 08/30/2004

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

ATTN...WFO...AKQ...LWX...RNK...

38187844 36817848 36387561 37817564 

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