[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 291242
SWODY1
SPC AC 291240

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0640 AM CST SUN JAN 29 2006

VALID 291300Z - 301200Z

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 35 E SGJ 50 S CTY
...CONT... 30 SSE GLS 25 SW BPT 35 NNW LFT 30 E MCB 15 SSE GZH 40 N
ABY 10 S AGS 20 S FAY 40 W HSE.

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 40 N EVV MTO 45 SE
MMO 20 SE AZO 10 WNW MTC 45 NNW CLE 30 NW ZZV 15 E LUK 40 N EVV.

...NO SVR TSTM AREAS FORECAST...

SERIES OF POTENT FAST MOVING SHORT WAVE TROUGHS CONTINUE TO TRACK
THRU THE BROAD LONG WAVE POSITION OVER THE CENTRAL U.S.  SURFACE LOW
SRN WI AND ITS ASSOCIATED UPPER TROUGH PROGGED TO CONTINUE NE THRU
THE GREAT LAKES/OHIO VALLEY TODAY. THE SURFACE LOW EXPECTED TO FILL
TONIGHT AS UPPER TROUGH LOSSES AMPLITUDE AND MOVES QUICKLY ACROSS
NEW ENGLAND.

UPSTREAM SPEED MAX NRN INTERMOUNTAIN REGION ATTM WILL MOVE SEWD INTO
THE SRN PLAINS TONIGHT...DEEPENING THE MAJOR TROUGH POSITION OVER
SCENTRAL U.S. BY MON AM.

WEAKENING PRE-FRONTAL INSTABILITY LINE HAS MOVED WELL E OF COLD
FRONT WITH ITS REMNANTS LOCATED FROM CENTRAL APPALACHIANS SWWD TO
SRN AL. INSUFFICIENT INSTABILITY REMAINS INLAND FROM THE GULF TO
SUPPORT STRONG THUNDERSTORMS TODAY.  WITH THE UPPER SYSTEM PULLING
AWAY TO THE NE AND MLCAPES GENERALLY LESS THAN 500 J/KG AT BEST IN
ADVANCE OF INSTABILITY LINE ERN GULF STATES...ONLY EXPECT GENERALLY
WEAK THUNDERSTORM ACTIVITY TODAY SERN STATES.

CURRENT LOW TOPPED THUNDERSTORMS VICINITY IL/IN BORDER LINKED TO
STEEP LAPSE RATES WITH COLD UPPER TROUGH NOW MOVING THRU THE AREA. 
THIS ACTIVITY WILL LIKELY CONTINUE NEWD THRU OH VALLEY THIS AM AND
THEN GRADUALLY TAPPER OFF THIS AFTERNOON AS UPPER TROUGH LOSES
AMPLITUDE AND ENCOUNTERS A MORE STABLE LOW LEVEL AIR MASS.

HAVE CONTINUED A LOW THREAT OF THUNDER CENTRAL GULF COAST FOR LATER
TONIGHT AS UPSTREAM SPEED MAX APPROACHES...BACKING LOW LEVEL FLOW. 
SINCE FRONTAL ZONE WILL NOT MOVE FAR OFFSHORE...SOME THREAT FOR
ELEVATED STORMS DEVELOPING AS MOIST AIR MASS NOW OVER MUCH OF GULF
IS LIFTED BACK ACROSS STALLED FRONT.

..HALES.. 01/29/2006

...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