Monday, November 19, 2007

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 200045
SWODY1
SPC AC 200043

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0643 PM CST MON NOV 19 2007

VALID 200100Z - 201200Z

..NO SVR TSTM AREAS FORECAST...

..DEEP S TX...

EVENING WATER VAPOR IMAGERY SHOWS A RATHER WELL-DEFINED VORTICITY
MAXIMUM LIFTING NWD THROUGH NRN MEXICO TOWARD THE LOWER RIO GRANDE
VALLEY. FORCING FOR ASCENT AHEAD OF THIS FEATURE COUPLED WITH A
MOIST AND WEAKLY UNSTABLE AIR MASS /MLCAPES OF 500-900 J/KG PER 00Z
BRO AND CRP SOUNDINGS/ HAVE CONTRIBUTED TO SCATTERED TSTM
DEVELOPMENT TODAY ACROSS THE AREA...WITH STORMS FOCUSED ALONG SEA
BREEZE AND OTHER PRE-EXISTING MESOSCALE BOUNDARIES.

WHILE ISOLATED STORMS WILL REMAIN POSSIBLE OVERNIGHT...ACTIVITY
SHOULD CONTINUE TO DECREASE IN AREAL COVERAGE AS BOUNDARY LAYER
SLOWLY COOLS AND STABILIZES.

.MEAD.. 11/20/2007

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