[MCD] SWOMCD

[Mesoscale Convective Discussions]

ACUS11 KWNS 042131
SWOMCD
SPC MCD 042130 
SCZ000-GAZ000-ALZ000-042300-

MESOSCALE DISCUSSION 2529
NWS STORM PREDICTION CENTER NORMAN OK
0330 PM CST SUN DEC 04 2005

AREAS AFFECTED...CENTRAL AND NRN AL/GA INTO CENTRAL SC

CONCERNING...SEVERE THUNDERSTORM WATCH 891...

VALID 042130Z - 042300Z

THREAT FOR SEVERE THUNDERSTORMS...INCLUDING ISOLATED
SUPERCELLS...EXPECTED TO CONTINUE ACROSS WW.  ISOLATED SEVERE THREAT
ALSO EXPECTED TO PERSIST JUST EAST OF WW ACROSS THE SAVANNAH RIVER
VALLEY.  CONTINUE WW.

THOUGH LARGE SCALE ASCENT REMAINS WEAK ACROSS THE
REGION...SEASONABLY WARM/MOIST BOUNDARY LAYER HAS DEVELOPED AHEAD OF
A COLD FRONT NOW MOVING SEWD ACROSS NRN GA INTO CENTRAL AL.  DEW
POINTS REMAIN IN THE LOWER 60S OVER MUCH OF THE SEVERE TSTM
WATCH...WITH AXIS OF NEAR 60F DEW POINTS SPREADING INTO AGS DURING
THE PAST HOUR OR TWO.  DEEP LAYER SHEAR REMAINS QUITE STRONG WITH
EFFECTIVE SHEAR FROM 45-55 KT ACROSS THE REGION...AND WILL SUSTAIN A
FEW SUPERCELLS WITH PRIMARY THREATS OF LARGE HAIL/DAMAGING WINDS. 
SHEAR AND INSTABILITY PARAMETERS INDICATE THE SEVERE THREAT WILL
LIKELY CONTINUE AHEAD OF THE COLD FRONT INTO E-CENTRAL GA/FAR WRN SC
THROUGH SUNSET.  WE WILL NEED TO MONITOR THIS AREA INTO THE EARLY
EVENING FOR AN ADDITIONAL WW.

..EVANS.. 12/04/2005

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

ATTN...WFO...CHS...CAE...GSP...FFC...BMX...HUN...MOB...

31668818 33848766 34368197 33658077 32208266 

WWWW