Saturday, January 5, 2013

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 051240
SWODY1
SPC AC 051238

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0638 AM CST SAT JAN 05 2013

VALID 051300Z - 061200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
MORNING WV IMAGERY SHOWS AN UPPER TROUGH MOVING NEWD ACROSS THE
SRN/CNTRL PLAINS...WHILE A SECOND DISTURBANCE IS DIGGING SEWD INTO
THE NRN PLAINS. ASCENT LOCATED IN THE BASAL PORTION OF THE SRN
TROUGH...COMBINED WITH WEAK MUCAPE VALUES EVIDENT IN THE 12Z CRP
RAOB WILL AID IN A MARGINAL POTENTIAL FOR ISOLATED THUNDERSTORM
DEVELOPMENT OVER COASTAL TX AND THE NWRN GOM DURING THE REMAINDER OF
THE MORNING. HOWEVER...THIS POTENTIAL IS FORECAST TO QUICKLY
DIMINISH BY AFTERNOON AS THE UPPER TROUGH EJECTS NEWD INTO THE OH
VALLEY REGION. FARTHER W...AN AMPLIFIED UPPER WAVE WILL DIG SWD
ALONG THE CA COAST. COLD MIDLEVEL TEMPERATURES WILL YIELD STEEP
LAPSE RATES AND WEAK CAPE VALUES...WHICH COULD RESULT IN A FEW
LIGHTNING STRIKES OCCURRING ALONG THE CNTRL CA COAST AND ADJACENT
OFFSHORE WATERS TONIGHT.

..GARNER/GUYER.. 01/05/2013

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