Wednesday, January 23, 2008

DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 230727
SWODY3
SPC AC 230724

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0124 AM CST WED JAN 23 2008

VALID 251200Z - 261200Z

..NO SVR TSTM AREAS FORECAST...

AN UPPER-LEVEL RIDGE OVER THE MS VALLEY THURSDAY NIGHT IS FORECAST
TO MOVE INTO THE UPPER OH VALLEY AND CNTRL APPALACHIANS FRIDAY AS A
SHORTWAVE TROUGH MOVES EWD INTO THE PLAINS. FURTHER WEST...AN
UPPER-LEVEL LOW OFF THE COAST OF CA IS FORECAST TO REMAIN NEARLY
STATIONARY OR DRIFT SLOWLY EWD. THUNDERSTORM ACTIVITY IS POSSIBLE
ALONG THE COAST OF CNTRL AND SRN CA IN RESPONSE TO ONSHORE
FLOW...STRONG LARGE-SCALE ASCENT AND COLD AIR ALOFT ASSOCIATED WITH
THE UPPER-LEVEL LOW. OTHERWISE ACROSS THE CONUS...THUNDERSTORM
ACTIVITY IS ALSO POSSIBLE FRIDAY NIGHT IN EAST TX OR LA ALONG THE
AXIS OF A LOW-LEVEL JET WHERE WARM ADVECTION WILL BE MAXIMIZED. NONE
OF THE THUNDERSTORMS ACROSS THE CONUS ARE EXPECTED TO BE ORGANIZED
DURING THE DAY 3 PERIOD.

.BROYLES.. 01/23/2008

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