SWOMCD
SPC MCD 120801
SCZ000-GAZ000-120930-
MESOSCALE DISCUSSION 0468
NWS STORM PREDICTION CENTER NORMAN OK
0301 AM CDT THU APR 12 2007
AREAS AFFECTED...PORTIONS SERN GA...CENTRAL/SRN SC.
CONCERNING...SEVERE THUNDERSTORM WATCH 128...
VALID 120801Z - 120930Z
11 128 SVR POTENTIAL CONTINUES BUT IS DIMINISHING...AND REMAINING
PORTIONS WW MAY BE CANCELED BEFORE SCHEDULED 10Z EXPIRATION. WFO
FFC IS CLEARING THEIR COUNTIES PER COORDINATION.
OVERALL WEAKENING TREND EVIDENT IN REFLECTIVITY PATTERNS SHOULD
CONTINUE AS STRONGEST ISALLOBARIC FORCING SHIFTS NE OF
AREA...BOUNDARY LAYER FLOW VEERS...AND CONSEQUENTIALLY...BOTH LOW
LEVEL CONVERGENCE AND SHEAR GRADUALLY WILL WEAKEN. LOW LEVEL AIR
MASS ACROSS REGION REMAINS AT LEAST MRGLLY FAVORABLE WITH SFC DEW
POINTS MID 60S F CONTRIBUTING TO MUCAPES AROUND 500-700 J/KG...AND
0-3 KM SRH 150-200 J/KG FOR ANY EWD MOVING/DISCRETE CELLS.
THEREFORE REMAINING PORTIONS WW SHOULD BE MAINTAINED UNTIL PRIMARY
BAND OF CONVECTION HAS PASSED. HOWEVER...WW MAY NOT BE NECESSARY
FARTHER E OVER SRN COASTAL PLAIN OF SC IF PRESENT TRENDS CONTINUE.
.EDWARDS.. 04/12/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...CHS...CAE...JAX...FFC...
31668111 31808198 31978245 31768286 33068150 33668071
33478005 33037933 32348047
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