Sunday, November 18, 2012

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 190446
SWODY1
SPC AC 190444

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1044 PM CST SUN NOV 18 2012

VALID 191200Z - 201200Z

...NO TSTM AREAS FORECAST...

...SYNOPSIS...
A BROAD UPPER TROUGH WILL PERSIST OVER THE WRN U.S. TWO EMBEDDED
DISTURBANCES WILL PROVIDE SUBTLE FORCING FOR ASCENT...SUPPORTING AT
LEAST ISOLATED LIGHTNING STRIKES ALONG THE PACIFIC NORTHWEST COAST
AND THE HIGHER TERRAIN OF WRN TX DURING THE AFTERNOON AND EVENING.
HOWEVER...SPARSE INSTABILITY WILL LIMIT COVERAGE...AND 10 PERCENT
PROBABILITIES DO NOT APPEAR WARRANTED.

FARTHER E...A MID-LEVEL LOW OFF THE COAST OF THE CAROLINAS WILL
CONTINUE TO DRIFT EWD...WITH LIGHTNING POTENTIAL EXPECTED TO REMAIN
WELL OFFSHORE.

..DISPIGNA/GRAMS.. 11/19/2012

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