Tuesday, December 25, 2007

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 250931
SWOD48
SPC AC 250930

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0330 AM CST TUE DEC 25 2007

VALID 281200Z - 021200Z

..DISCUSSION...
MEDIUM RANGE GUIDANCE CONTINUES TO FORECAST A SERIES OF STRONG
TROUGHS DIGGING INTO THE CENTRAL STATES AND THEN LIFTING NEWD ACROSS
THE ERN STATES. A GRADUAL PROGRESSION OF THE LONG WAVE PATTERN IS
PREDICTED BY THE END OF THE PERIOD WITH THE MEAN RIDGE MOVING EWD
INTO THE WRN STATES AND THE MEAN TROUGH MOVING EAST OF THE MS RIVER.

.WEISS.. 12/25/2007

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