[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 190512
SWODY1
SPC AC 190510

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1110 PM CST SUN DEC 18 2005

VALID 191200Z - 201200Z

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 45 SSW APF 40 SE PBI.

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS AND FORECAST...

AMPLIFICATION OF LARGE-SCALE PATTERN IS FORECAST DURING THE DAY ONE
PERIOD AS RIDGE BUILDS IN THE W AND HEIGHT FALLS OCCUR OVER THE
GREAT LAKES AND GULF COAST STATES.  IN THE LOW-LEVELS...A DRY AND
STABLE AIR MASS WILL EXIST OVER MOST OF THE CONUS IN ASSOCIATION
WITH AN EXPANSIVE AREA OF HIGH PRESSURE.  THE EXCEPTION WILL BE OVER
S FL WHERE MOIST BOUNDARY-LAYER CONDITIONS WILL CONTRIBUTE TO A
WEAKLY UNSTABLE ENVIRONMENT.

THIS INSTABILITY COUPLED WITH CONVERGENCE ALONG A WEAK STATIONARY
BOUNDARY MAY SUPPORT ISOLATED TO WIDELY SCATTERED TSTM DEVELOPMENT
THIS AFTERNOON INTO EARLY EVENING.

..MEAD.. 12/19/2005

...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