Thursday, December 13, 2012

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 131616
SWODY1
SPC AC 131613

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1013 AM CST THU DEC 13 2012

VALID 131630Z - 141200Z

...NO SVR TSTM AREAS FORECAST...

...SOUTHWEST STATES...
A QUIET WEATHER PATTERN WILL BE DOMINANT OVER MOST OF THE NATION
TODAY. WATER VAPOR LOOPS SHOW A POWERFUL UPPER TROUGH OFF THE COAST
OF SOUTHERN CA. THIS SYSTEM WILL PROGRESS EASTWARD INTO NORTHERN
MEXICO TONIGHT. INCREASING MOISTURE AND LARGE SCALE FORCING FOR
ASCENT WILL LEAD TO SCATTERED SHOWERS AND THUNDERSTORMS ACROSS PARTS
OF SOUTHEAST CA AND SOUTHERN AZ...EVENTUALLY SPREADING INTO
SOUTHWEST NM BEFORE DAYBREAK. CAPE VALUES WILL BE WEAK ACROSS THIS
REGION...LIMITING UPDRAFT STRENGTH AND SEVERE POTENTIAL.
HOWEVER...COOLING TEMPERATURES ALOFT AND STRENGTHENING WIND FIELDS
MAY RESULT IN SMALL HAIL AND GUSTY WINDS IN THE STRONGER STORMS
OVERNIGHT.

..HART/DISPIGNA.. 12/13/2012

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