SWOMCD
SPC MCD 112027
GAZ000-FLZ000-ALZ000-TNZ000-112130-
MESOSCALE DISCUSSION 0458
NWS STORM PREDICTION CENTER NORMAN OK
0327 PM CDT WED APR 11 2007
AREAS AFFECTED...ERN AL INTO PARTS OF WRN/CENTRAL GA
CONCERNING...TORNADO WATCH 124...
VALID 112027Z - 112130Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 124 CONTINUES.
NEW DOWNSTREAM WW WILL LIKELY BE REQUIRED ACROSS PARTS OF ERN AL
INTO WRN/CENTRAL GA BY 21-22Z.
REGIONAL RADARS INDICATED SEVERAL DISCRETE TORNADIC SUPERCELLS
ACROSS CENTRAL AL TRACKING ENE AT 35 KT. AT THIS SPEED...THIS
ACTIVITY WILL MOVE INTO EAST CENTRAL AL /TO THE EAST OF WW 124/ BY
22Z. SURFACE MESOSCALE ANALYSES INDICATED A WARM FRONT EXTENDING
SWD ACROSS NRN-CENTRAL AL...WITH THE SRN EXTENT OF THIS FRONT
BECOMING LESS DEFINED OVER THE FL PANHANDLE. NWD SURGE OF MOISTURE
INTO SWRN GA /LOWER 60S SURFACE DEWPOINTS/ IS AIDING IN
DESTABILIZATION INTO THIS REGION...WITH E-W ORIENTED THERMAL
BOUNDARY EXTENDING FROM CENTRAL AL INTO CENTRAL GA EXPECTED TO
BECOME THE PRIMARY ERN EXTENT OF WARM FRONT. INCREASING DEEP LAYER
SHEAR AND LOW LEVEL SHEAR IN VICINITY OF WARM FRONT WILL FAVOR
TORNADO THREAT EXTENDING EWD OF WW 124.
.PETERS.. 04/11/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...JAX...MRX...FFC...TAE...BMX...HUN...MOB...
31878841 33478770 35028655 34978512 34248455 33458442
33278314 32728272 31838298 30638345 30678543
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