[SWODY2] SWODY2

[Severe Weather Outlook - Day 2]

ACUS02 KWNS 281728
SWODY2
SPC AC 281727

DAY 2 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1127 AM CST SUN JAN 28 2007

VALID 291200Z - 301200Z

...NO TSTM AREAS FORECAST...

...SYNOPSIS/FORECAST...
ALTHOUGH UPPER RIDGE OVER THE NERN PACIFIC IS EXPECTED TO STRENGTHEN
DURING DAY 2 PERIOD...CLOSED LOW RETROGRADING OFF THE CA COAST TODAY
IS EXPECTED TO MOVE SSEWD TOWARD THE SRN CA COAST ON MONDAY
RESULTING IN A BREAK DOWN OF THE REX BLOCK.  DOWNSTREAM LONG WAVE
TROUGH OVER THE ERN TWO-THIRDS OF THE U.S. WILL BE MAINTAINED AS
ANOTHER SHORT WAVE TROUGH TRACKS SEWD INTO THE MID MS/OH VALLEYS.

COLD FRONT WILL CONTINUE TO MOVE WELL S OF THE CONTINENTAL U.S. AS
HIGH PRESSURE SETTLES SWD ACROSS THE GULF COAST AND GULF OF MEXICO. 
SLY LOW LEVEL FLOW IS EXPECTED TO INCREASE ALONG AND OFF THE S TX
COAST IN RESPONSE TO WEAK HEIGHT FALLS AS A PACIFIC SHORT WAVE
TROUGH...NOW LOCATED NEAR 20N 132W...TRACKS EWD ACROSS NRN MEXICO TO
SRN TX.  WRN EXTENT OF COLD FRONT WILL LIKELY REDEVELOP NWD INTO A
COASTAL TROUGH OVER THE WRN GULF BASIN BY MONDAY NIGHT.  WEAK LOW
LEVEL WAA AND MOISTURE RETURN SHOULD SUPPORT SHALLOW CONVECTION
MAINLY OFFSHORE LATE IN THE PERIOD...WITH POINT FORECAST SOUNDINGS
SUGGESTING CLOUD DEPTHS NOT BECOMING DEEP ENOUGH FOR CHARGE
SEPARATION/LIGHTNING PRODUCTION.

ELSEWHERE...A FEW LIGHTNING STRIKES MAY DEVELOP OFF THE SRN COAST...
ESPECIALLY LATER IN THE FORECAST PERIOD...AS STEEPER LAPSE RATES AND
INCREASING ASCENT ACCOMPANYING THE WEST COAST UPPER LOW APPROACH
THIS REGION.

..PETERS.. 01/28/2007