MESO: Mesoscale Discussion 1740

ACUS11 KWNS 102357
SWOMCD
SPC MCD 102357
LAZ000-TXZ000-110100-

MESOSCALE DISCUSSION 1740
NWS STORM PREDICTION CENTER NORMAN OK
0657 PM CDT FRI AUG 10 2012

AREAS AFFECTED...S CNTRL/SERN TX...SWRN LA

CONCERNING...SEVERE THUNDERSTORM WATCH 572...

VALID 102357Z - 110100Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 572
CONTINUES.

SUMMARY...A CONTINUED THREAT OF DMGG WINDS WILL EXIST ACROSS THE WW
AREA.

DISCUSSION...INITIAL SEVERE THUNDERSTORM DEVELOPMENT APPEARS TO HAVE
INITIATED IN ADVANCE OF A SUBTLE VORT MAX /IMPLIED BY DARKENING ON
WV IMAGERY ACROSS S CNTRL TX NWWD INTO THE APPALACHIANS/ AND A WEAK
SWD SAGGING COLD FRONT. GIVEN SEASONABLY WARM SURFACE TEMPERATURES
AND AMPLE MOISTURE /PARTICULARLY TO THE S OF THE FRONT AND CURRENT
COMPLEX OF THUNDERSTORMS WHERE TD VALUES ARE IN THE LOWER TO MID 70S
F/...AT LEAST ISOLATED SEVERE STORMS WILL LIKELY CONTINUE OVER THE
NEXT FEW HOURS...AS BOUNDARY LAYER STABILIZATION WILL BE SOMEWHAT
SLOW DESPITE THE ONSET OF DIURNAL COOLING. ADDITIONAL STORMS WILL BE
POSSIBLE ALONG ANY RESULTING OUTFLOW BOUNDARIES.

..HURLBUT.. 08/10/2012

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

ATTN...WFO...LCH...HGX...CRP...EWX...

LAT...LON 29599364 29329525 28959695 28979809 29349842 29779799
30359462 30499395 31129269 30829224 30029260 29599364

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