Monday, February 23, 2009

DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 230719
SWODY3
SPC AC 230717

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0117 AM CST MON FEB 23 2009

VALID 251200Z - 261200Z

...NO SVR TSTM AREAS FORECAST...

AN UPPER-LEVEL RIDGE IS FORECAST TO DAMPEN AND MOVE EWD FROM THE
HIGH PLAINS WEDNESDAY. IN THE WAKE OF THE RIDGE...A SUBTLE
UPPER-LEVEL TROUGH IS FORECAST TO MOVE INTO THE PLAINS BY WEDNESDAY
EVENING. IN RESPONSE...LOW-LEVEL MOISTURE WILL RETURN NWD INTO THE
SRN PLAINS AS A LOW-LEVEL JET INTENSIFIES. AS THIS FEATURE MOVES
INTO THE OZARKS WEDNESDAY NIGHT...LIFT ASSOCIATED WITH THE LOW-LEVEL
JET AND APPROACHING UPPER-LEVEL TROUGH MAY BE ENOUGH FOR ISOLATED
THUNDERSTORM DEVELOPMENT. HOWEVER...ORGANIZED CONVECTION IS NOT
EXPECTED DUE TO LIMITED INSTABILITY.

..BROYLES.. 02/23/2009

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