SWOMCD
SPC MCD 110613
TXZ000-110745-
MESOSCALE DISCUSSION 0774
NWS STORM PREDICTION CENTER NORMAN OK
0113 AM CDT FRI MAY 11 2007
AREAS AFFECTED...SCNTRL TX INTO NRN PARTS OF THE LWR VLY
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 110613Z - 110745Z
A SMALL SUPERCELL HAS BEEN MOVING SWD THROUGH ERN DUVAL COUNTY EARLY
THIS MORNING...LIKELY INGESTING AN OLD BOUNDARY THAT WAS ASSOCD WITH
LATE EVENING TSTMS THAT DISSIPATED VCNTY KCRP. CURRENT SUPERCELL IS
ALSO LIKELY LAYING DOWN A BOUNDARY THAT ACTIVITY UPSTREAM OVER SERN
LA SALLE COUNTY MAY LATCH ONTO.
VWP FROM BOTH CRP AND BRO SHOW AN EXCELLENT SUPERCELL PROFILE WITH
0-1KM SLY COMPONENT BENEATH SHARPLY VEERING MID-LEVEL WINDS TO NWLY
AT OVER 40-45 KTS. CELLS THAT DEVIATE RIGHT OF THE MEAN FLOW...ARE
LIKELY ACQUIRING 100-150 M2/S2 0-1KM SRH AND GIVEN THE MOIST
PROFILES IN PLACE...AN ISOLD TORNADO IS NOT OUT OF THE QUESTION
ALONG WITH POTENTIAL LARGE HAIL. GREATEST POTENTIAL FOR TORNADOES
WILL BE BEFORE THE CELLS BEGIN TO INGEST A MORE MARITIME BOUNDARY
LAYER EAST CLOSER TO THE COAST. BUT...AREAS FROM ERN
WEBB...WRN/CNTRL DUVAL AND POSSIBLY BROOKS AND JIM HOGG COUNTIES MAY
SEE AN INCREASE IN SVR POTENTIAL THROUGH ABOUT 09Z.
.RACY.. 05/11/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...CRP...BRO...
27139876 28249910 28179854 27229792 26689779 26549822
26719844
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