ACUS01 KWNS 060102
SWODY1
SPC AC 060100
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0700 PM CST TUE FEB 05 2013
VALID 060100Z - 061200Z
...NO SVR TSTM AREAS FORECAST...
...SOUTH TX...
WATER VAPOR IMAGERY THIS EVENING REFLECTS A PROGRESSIVE/LOW
AMPLITUDE SHORTWAVE TROUGH CROSSING FAR NORTHERN MEXICO...WITH TSTMS
ONGOING NEAR THE NORTHEAST MEXICO MOUNTAINS /AROUND 100 MILES
SOUTHWEST OF THE RIO GRANDE/ AS OF 01Z. AS THE AFOREMENTIONED
SHORTWAVE TROUGH APPROACHES/CROSSES THE RIO GRANDE VALLEY
TONIGHT...A RELATIVELY MOIST AIRMASS AS CHARACTERIZED BY
LOWER/MIDDLE 60S F SURFACE DEWPOINTS ALONG THE TX COAST...WILL
RETURN WESTWARD ACROSS SOUTH TX THROUGH THE FIRST PART OF WEDNESDAY.
THIS SCENARIO WILL LIKELY LEAD TO THE DEVELOPMENT/PERSISTENCE OF
ISOLATED-SCATTERED TSTMS...INITIALLY ACROSS THE RIO GRANDE RIVER
VALLEY TONIGHT /ESPECIALLY AFTER 06Z/ AND EVENTUALLY INTO ADDITIONAL
PARTS OF SOUTH-CENTRAL TX THROUGH THE EARLY MORNING HOURS OF
WEDNESDAY. EVEN WITH INCREASING LOW-LEVEL MOISTURE...IT IS LIKELY
THAT THESE STORMS WILL BE ELEVATED ATOP A RELATIVELY STABLE BOUNDARY
LAYER. A PARTICULARLY ORGANIZED/SUSTAINED SEVERE THREAT IS NOT
EXPECTED...ALTHOUGH A COMBINATION OF MODEST BUOYANCY/STEEPENING
LAPSE RATES ALOFT AND RELATIVELY STRONG DEEP LAYER SHEAR /40+ KT
EFFECTIVE/ COULD YIELD SOME HAIL.
..GUYER.. 02/06/2013
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