SWOMCD
SPC MCD 120139
SCZ000-GAZ000-120315-
MESOSCALE DISCUSSION 0462
NWS STORM PREDICTION CENTER NORMAN OK
0839 PM CDT WED APR 11 2007
AREAS AFFECTED...E-CNTRL/SERN GA INTO SRN SC
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 120139Z - 120315Z
POTENTIAL FOR SEVERE STORMS CAPABLE OF HAIL...LOCALLY DAMAGING WINDS
AND PERHAPS A COUPLE TORNADOES IS EXPECTED TO INCREASE ACROSS
DISCUSSION AREA TONIGHT. CONVECTIVE TRENDS ARE BEING MONITORED FOR
A POSSIBLE WW.
LATEST MESOANALYSIS INDICATES COMPLEX SURFACE PATTERN WITH
RETREATING WEDGE FRONT LIKELY EXTENDING FROM JUST S OF ATL TO NEAR
AGS TO NW FLO...WITH A SECONDARY WARM FRONT FROM N OF VDI TO S OF
SAV. MEANWHILE...RADAR ANIMATION SUGGESTS THAT A BOUNDARY HAS
SURGED WWD OFF THE ATLANTIC COAST WITH THIS FEATURE EXTENDING FROM
JUST E OF AYS TO ROUGHLY 20-30 S OF OGB.
AS OF 0130Z...THE MOST INTENSE STORM WAS LOCATED INVOF SRN WARM
FRONT OVER CANDLER COUNTY GA WITHIN RELATIVELY MOIST LOW-LEVEL AIR
MASS WITH DEWPOINTS IN THE MID 60S. MODIFICATION OF 00Z CHS
SOUNDING FOR SURFACE CONDITIONS S OF THIS WARM FRONT YIELDS MLCAPES
OF 500-600 J/KG AND CONVECTIVE INHIBITION OF AROUND 25-50 J/KG.
INCREASING SWLY LLJ SHOULD SUPPORT NWD DESTABILIZATION OF AIR MASS
THROUGH AT LEAST SRN SC THROUGH 12/06Z AS LOW-LEVEL WAA STRENGTHENS
ACROSS REGION.
GIVEN THE RELATIVELY STRONG WIND FIELDS IN PLACE...POTENTIAL WILL
EXIST FOR A FEW ORGANIZED STORMS...INCLUDING SUPERCELLS...WITH A
THREAT OF SEVERE HAIL...LOCALLY DAMAGING WINDS AND PERHAPS A COUPLE
TORNADOES.
.MEAD.. 04/12/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...CHS...CAE...JAX...FFC...
32288296 32618284 33008241 33188173 33258113 33088073
32638035 32138085 31668132 31648226
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