[SWODY2] SWODY2

[Severe Weather Outlook - Day 2]

ACUS02 KWNS 091658
SWODY2
SPC AC 091657

DAY 2 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1057 AM CST FRI DEC 09 2005

VALID 101200Z - 111200Z.

...NO TSTM AREAS FORECAST...

MODELS SUGGEST BLOCK...WHICH HAS BECOME MORE READILY EVIDENT OVER
THE EASTERN PACIFIC/WEST COAST STATES DURING THE PAST DAY OR SO...
WILL REMAIN STRONG THROUGH AT LEAST THIS FORECAST PERIOD. 
DOWNSTREAM OF THIS FEATURE...PHASING OF MULTIPLE BELTS OF POLAR
WESTERLIES...AND THE SUBTROPICAL STREAM...IS PROGGED LATE TODAY
THROUGH SATURDAY...LEADING TO THE EVOLUTION OF A HIGH AMPLITUDE
UPPER TROUGH EAST OF THE MISSISSIPPI VALLEY BY 12Z SUNDAY.  ALTHOUGH
EXPANSIVE COLD SURFACE RIDGE...NOW OVER THE SOUTH CENTRAL
STATES/NORTHERN AND WESTERN GULF OF MEXICO...WILL WEAKEN BY EARLY
SATURDAY...UPPER PATTERN WILL SUPPORT ANOTHER STRENGTHENING SURFACE
RIDGE ACROSS THE SOUTHERN PLAINS/LOWER RIO GRANDE VALLEY AND MUCH OF
THE GULF BY EARLY SUNDAY.

...GULF/SOUTH ATLANTIC COAST STATES...
SURFACE WIND SHIFT/SHALLOW COLD SURGE WILL PROGRESS THROUGH THE
REMAINDER OF FLORIDA TODAY.  HOWEVER...LEADING EDGE OF DEEPER COLD
AIR WILL BE SLOWER TO PROGRESS THROUGH THE CENTRAL PENINSULA. 
MODELS SUGGEST PRIMARY SURFACE BAROCLINIC ZONE WILL REFORM ACROSS
THIS AREA SATURDAY...BECOMING FOCUS FOR POSSIBLE NEW SURFACE
WAVE/LOW DEVELOPMENT EAST OF THE FLORIDA ATLANTIC COAST.  THOUGH
WEAK MID-LEVEL COOLING MAY ACCOMPANY PROGRESSION OF A SUBTROPICAL
IMPULSE ACROSS FLORIDA EARLY IN THE PERIOD...INHIBITION DOES NOT
APPEAR LIKELY TO WEAKEN SUFFICIENTLY FOR THUNDERSTORM ACTIVITY OVER
INLAND AREAS...GIVEN ONLY SLOW MODIFICATION/MOISTENING OF BOUNDARY
LAYER.

..KERR.. 12/09/2005

...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