[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 221246
SWODY1
SPC AC 221245

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0645 AM CST THU DEC 22 2005

VALID 221300Z - 231200Z

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 50 NNW UIL OLM PDX 35
ENE EUG MFR 55 SW EKA.

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
THE LARGE SCALE PATTERN HAS BECOME A LITTLE MORE PROGRESSIVE THE
PAST FEW DAYS...THOUGH THE GENERAL CONFIGURATION OF A WESTERN RIDGE
AND ERN TROUGH REMAINS.  A CONTINENTAL POLAR AIR MASS COVERS MUCH OF
THE ERN CONUS WITH WEAK OFFSHORE FLOW ACROSS THE GULF
COAST/FL...THUS DEEP CONVECTION IS NOT ANTICIPATED E OF THE ROCKIES
THIS PERIOD.

THE ONLY THUNDERSTORM THREAT AREA THIS PERIOD WILL BE ACROSS THE PAC
NW COAST.  A MID-UPPER SPEED MAX NEAR 140 W THIS MORNING WILL MOVE
EWD TO THE WA/NW ORE COASTS BY 00Z...AND CONTINUE THROUGH THE NRN
ROCKIES OVERNIGHT.  SATELLITE IMAGERY AND OCEANIC LIGHTNING DATA
SHOW SOME LOW-TOPPED CONVECTION IN ASSOCIATION WITH THE APPROACHING
SPEED MAX. ISOLATED THUNDERSTORMS WILL BE POSSIBLE TODAY INTO EARLY
TONIGHT ALONG AND W OF THE CASCADES AS THIS SYSTEM MOVES INLAND.

..THOMPSON.. 12/22/2005

...NOTICE...
THE STATION RELATIVE POINTS IN THIS PRODUCT WILL BE
DISCONTINUED ON 14 FEBRUARY 2006 BUT WILL REMAIN AVAILABLE
IN THE FOLLOWING PRODUCTS:

   WMO HEADER:       AWIPS ID:
   WUUS01            PTSDY1
   WUUS02            PTSDY2
   WUUS03            PTSDY3

A SERVICE CHANGE NOTICE ...SCN05-39... PROVIDES DETAILS
ON THE TRANSITION. FOR ADDITIONAL DETAILS SEE THE FOLLOWING
WEB ADDRESS USING LOWER CASE LETTERS:
WWW.NWS.NOAA.GOV/OM/NOTIF.HTM