[SWODY2] SWODY2

[Severe Weather Outlook - Day 2]

ACUS02 KWNS 070535
SWODY2
SPC AC 070533

DAY 2 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1133 PM CST MON FEB 06 2006

VALID 081200Z - 091200Z.

...NO TSTM AREAS FORECAST...

...SYNOPSIS AND FORECAST...

AMPLIFIED LARGE-SCALE PATTERN WILL CONTINUE THROUGH THE DAY TWO
PERIOD WITH REX BLOCK ALONG THE W COAST AND FULL-LATITUDE TROUGH
/ANCHORED BY POLAR VORTEX OVER QUEBEC/ ACROSS THE ERN U.S.  AN
ACTIVE WAVETRAIN OF SHORTWAVE TROUGHS WILL BE PRESENT FROM PORTIONS
OF WRN AND CNTRL CANADA SEWD TOWARD MEAN LONGWAVE TROUGH POSITION
OVER THE SERN STATES.

IN THE LOW-LEVELS...A WEAK SURFACE LOW WILL DEVELOP FROM THE MID MS
VALLEY SEWD THROUGH THE TN VALLEY...AHEAD OF A MIGRATORY SHORTWAVE
TROUGH.  IN IT/S WAKE...A LARGE SURFACE HIGH WILL BUILD SWD FROM
S-CNTRL CANADA THROUGH THE PLAINS AND MS VALLEY.

STEEP LOW LEVEL LAPSE RATES AND INCREASED FORCING FOR ASCENT
ASSOCIATED WITH AFOREMENTIONED SHORTWAVE TROUGH MAY SUPPORT SOME
SHALLOW CONVECTION /AND POSSIBLY A LIGHTNING STRIKE OR TWO/ INVOF
SURFACE LOW FROM SRN MO INTO THE TN VALLEY...PERHAPS INTO NRN MS/AL.
HOWEVER...A VERY DRY AIR MASS COUPLED WITH LOW AND RELATIVELY WARM
EQUILIBRIUM LEVEL HEIGHTS SHOULD PRECLUDE ANY ORGANIZED THUNDER
THREAT.

..MEAD.. 02/07/2006

...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