DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 281712
SWODY2
SPC AC 281710

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1210 PM CDT SAT SEP 28 2013

VALID 291200Z - 301200Z

...NO SVR TSTM AREAS FORECAST...

...PACIFIC NORTHWEST...
AN UPPER-LEVEL TROUGH WILL APPROACH THE PACIFIC NORTHWEST ON SUNDAY
AS AN ASSOCIATED 90 TO 100 KT MID-LEVEL JET MOVES INLAND AHEAD OF
THE TROUGH. WATER VAPOR IMAGERY SHOWS A BELT OF ENHANCED MID-LEVEL
MOISTURE ASSOCIATED WITH THE MID-LEVEL JET. THIS MOISTURE WILL
CONTINUE TO STREAM INTO THE PACIFIC NORTHWEST SUNDAY WHICH COMBINED
WITH STRONG LARGE-SCALE ASCENT...SHOULD RESULT IN ISOLATED
THUNDERSTORM DEVELOPMENT IN THE COASTAL AREAS OF WA AND NW ORE. THE
MID-LEVEL JET WILL CREATE STRONG DEEP LAYER SHEAR PROFILES ACROSS
THE PACIFIC NORTHWEST WHICH COMBINED WITH DIRECTIONAL SHEAR IN THE
LOW-LEVELS SHOULD BE ENOUGH FOR A MARGINAL SEVERE THREAT. ANY STORM
THAT CAN EXHIBIT ROTATION MAY HAVE THE POTENTIAL FOR STRONG WIND
GUSTS.

..BROYLES.. 09/28/2013

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