Tuesday, March 18, 2008

MESO: Mesoscale Discussion 0461

ACUS11 KWNS 181819
SWOMCD
SPC MCD 181819
TXZ000-182015-

MESOSCALE DISCUSSION 0461
NWS STORM PREDICTION CENTER NORMAN OK
0119 PM CDT TUE MAR 18 2008

AREAS AFFECTED...PARTS OF E TX

CONCERNING...TORNADO WATCH 131...

VALID 181819Z - 182015Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 131 CONTINUES.

STORMS CONTINUE TO INCREASE ACROSS PARTS OF E TX -- IN WRN PORTIONS
OF TORNADO WATCH 131.

RADAR CONTINUES TO REVEAL AN OVERALL INCREASE IN WARM SECTOR STORMS
-- FROM THE MIDDLE TX COASTAL REGION NWD ACROSS PARTS OF E TX --
AHEAD OF UPPER TROUGH/LOW WHICH CONTINUES TO PROGRESS EWD. MOIST
BOUNDARY LAYER/MODERATELY-UNSTABLE AIRMASS EXISTS ACROSS THIS
REGION...WHICH COMBINED WITH THE APPROACH OF THE UPPER SYSTEM AND
PRESENCE OF THE QUASI-STATIONARY SURFACE BOUNDARY WILL SUPPORT A
CONTINUED INCREASE IN STORM COVERAGE. WITH SHEAR -- ALREADY
SUPPORTIVE OF SUPERCELLS -- FORECAST TO INCREASE WITH
TIME...SEVERE/TORNADO THREAT CONTINUES.

.GOSS.. 03/18/2008

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

ATTN...WFO...LCH...SHV...HGX...FWD...CRP...EWX...

28839746 29899797 31379790 32689471 29979458 28259704

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