[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 231257
SWODY1
SPC AC 231255

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0655 AM CST MON JAN 23 2006

VALID 231300Z - 241200Z

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 45 ENE SGJ 60 SSW CTY
...CONT... 80 SW HUM 30 WSW JAN 20 NNW CBM 30 WNW RMG 20 S AVL 20
SSW DAN 60 SSE WAL.

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
A HIGH OVER LOW BLOCK IS EVOLVING OVER THE PAC COAST AS MID LEVEL
HEIGHTS RISE OVER THE PAC NW AND A CLOSED LOW FORMS OVER SRN CA. 
FARTHER E...A LOW AMPLITUDE SPEED MAX IS EJECTING EWD/ENEWD FROM THE
LOWER OH VALLEY TOWARD THE MID ATLANTIC REGION.  IN ADVANCE OF THIS
MID LEVEL TROUGH AND AN ASSOCIATED SURFACE COLD FRONT...A SWATH OF
PRECIPITATION EXTENDS FROM SE MS TO SRN NEW ENGLAND.  A FEW
THUNDERSTORMS HAVE PERSISTED OVERNIGHT ALONG THE SWRN FRINGE OF THE
LARGER RAIN BAND ACROSS THE MS/AL AREA...WHERE REGIONAL 12Z
SOUNDINGS REVEAL MUCAPE IN THE RANGE OF 250-1000 J/KG. 

SCATTERED THUNDERSTORMS WILL CONTINUE THROUGH THE DAY AND SPREAD EWD
ACROSS THE SERN STATES...THOUGH STORM COVERAGE SHOULD BE LIMITED
SOMEWHAT BY A GRADUAL DECREASE IN LARGE SCALE FORCING FOR ASCENT.
LOW-LEVEL SHEAR WILL ALSO TEND TO WEAKEN BY LATER TODAY...THE
COMBINATION OF MODEST INSTABILITY AND VERTICAL SHEAR MAY REMAIN
SUFFICIENT FOR ISOLATED MARGINALLY SEVERE STORMS TODAY FROM SRN AL
INTO S GA.

..THOMPSON.. 01/23/2006

...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