Monday, December 26, 2011

DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 260724
SWODY3
SPC AC 260723

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0123 AM CST MON DEC 26 2011

VALID 281200Z - 291200Z

...SYNOPSIS...
UPPER AIR PATTERN FCST TO FEATURE BROADLY CYCLONIC FLOW ACROSS MOST
OF CENTRAL/ERN CONUS DAY-3. THIS WILL OCCUR IN WAKE OF SHORTWAVES
DISCUSSED IN DAY-2 OUTLOOK...WITH REINFORCEMENT OF LOW HEIGHTS BY
SMALL-AMPLITUDE/NW-FLOW PERTURBATIONS ORIGINATING OVER N PAC. STG
COLD FROPA IS FCST BY START OF PERIOD OVER ALL OF ATLC COAST EXCEPT
NEW ENGLAND...AWAY FROM WHICH SFC CYCLONE WILL EJECT NEWD EARLY IN
PERIOD. FOLLOWING COLD FRONT...WHICH WILL PENETRATE TO NWRN
CARIBBEAN...AIR MASS ACROSS CONUS WILL BE TOO DRY AND/OR STABLE FOR
SVR POTENTIAL THIS PERIOD.

..EDWARDS.. 12/26/2011

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