[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 290039
SWODY1
SPC AC 290036

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0636 PM CST SUN JAN 28 2007

VALID 290100Z - 291200Z

...NO TSTM AREAS FORECAST...

...CA...

29/00Z OAK SOUNDING INDICATED THE PRESENCE OF STEEP LOW/MID LEVEL
LAPSE RATES AND RESULTANT SBCAPES OF AROUND 500 J/KG.  WATER VAPOR
IMAGERY SUGGESTS THAT BETTER LARGE-SCALE FORCING ASSOCIATED WITH
VORTICITY MAXIMUM ROTATING AROUND PARENT UPPER LOW IS CURRENTLY
TRANSLATING WWD INTO THE PACIFIC.  ONSET OF NOCTURNAL RADIATIONAL
COOLING IS EXPECTED TO RESULT IN A DECREASE OF THESE LAPSE RATES IN
THE LOW LEVELS...WHICH SHOULD LIMIT ANY ORGANIZED TSTM THREAT
OVERNIGHT.

ELSEWHERE...TSTMS ARE FORECAST TO BECOME INCREASINGLY NUMEROUS
TONIGHT OFF THE MIDDLE ATLANTIC COAST AS STRONG SHORT WAVE TROUGH
/CURRENTLY MOVING THROUGH THE APPALACHIANS/ ACTS ON
UNSTABLE...PRE-FRONTAL AIR MASS.

..MEAD.. 01/29/2007