Sunday, November 18, 2012

DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 181729
SWODY2
SPC AC 181728

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1128 AM CST SUN NOV 18 2012

VALID 191200Z - 201200Z

...NO TSTM AREAS FORECAST...

...SYNOPSIS...
WEAKLY PROGRESSIVE/GENERALLY LOW-AMPLITUDE FLOW PATTERN ALOFT WILL
PREVAIL ACROSS THE U.S. THIS PERIOD...THOUGH SEVERAL DISTURBANCES
WILL CONTINUE MOVING THROUGH BROAD/FLAT CYCLONIC FLOW FIELD OVER THE
WRN HALF OF THE CONUS. WITH FAST SWLY FLOW ALOFT ACROSS THE PAC NW
VICINITY -- ON THE SERN FRINGE OF THE LARGE GULF OF AK/NERN PACIFIC
UPPER LOW -- SHOWERS AND AN OCCASIONAL LIGHTNING STRIKE WILL BE
POSSIBLE ACROSS PARTS OF FAR WRN WA/ORE. HOWEVER...COVERAGE SHOULD
REMAIN INSUFFICIENT TO WARRANT A 10% THUNDER AREA.

SHOWERS AND POSSIBLY A COUPLE OF LIGHTNING STRIKES WILL ALSO BE
POSSIBLE ACROSS PARTS OF W TX/SERN NM INVOF THE SURFACE LEE TROUGH
AS AN UPPER DISTURBANCE CROSSES THE AREA DURING THE AFTERNOON.
AGAIN HOWEVER...THUNDER POTENTIAL DOES NOT APPEAR TO JUSTIFY
INTRODUCTION OF A 10% PROBABILITY AREA ATTM.

..GOSS.. 11/18/2012

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