Tuesday, December 4, 2012

DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 040649
SWODY2
SPC AC 040648

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1248 AM CST TUE DEC 04 2012

VALID 051200Z - 061200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
AS AN UPPER TROUGH CONTINUES CROSSING THE ERN U.S. TOWARD THE WRN
ATLANTIC...A BROAD ZONE OF WEAKLY CYCLONIC/WLY FLOW WILL EXPAND TO
ENCOMPASS MOST OF THE U.S. BY THE END OF THE PERIOD.

AT THE SURFACE...A COLD FRONT IS FORECAST TO CROSS THE CANADIAN
PRAIRIE AND ADJACENT NRN CONUS...WHILE A SECOND FRONT MOVES INTO THE
WRN ATLANTIC IN CONJUNCTION WITH THE AFOREMENTIONED UPPER TROUGH.

THIS ERN FRONT -- WHICH WILL TRAIL WSWWD ACROSS THE SERN STATES --
WILL FOCUS SHOWERS AND POSSIBLY A FEW THUNDERSTORMS ACROSS PARTS OF
THE SOUTHEAST. HOWEVER...WEAK FLOW ALOFT AND MARGINAL INSTABILITY
REMAIN UNSUPPORTIVE OF SEVERE WEATHER.

..GOSS.. 12/04/2012

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