[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 171232
SWODY1
SPC AC 171229

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0629 AM CST SUN DEC 17 2006

VALID 171300Z - 181200Z

...NO SVR TSTM AREAS FORECAST...

UPR RIDGING MOVING INTO PAC NW SUPPORTS THE SPLITTING OF WRN TROUGH.
 NRN PORTION OF TROUGH SHEARS ENEWD FROM ROCKIES INTO PLAINS WHILE
CLOSED LOW DEVELOPS INTO SRN CA BY 12Z MON. WITH VERY LIMITED
INSTABILITY ANY CONVECTION ASSOCIATED WITH TROUGH OVER THE W SHOULD
BE SHALLOW WITH ONLY ISOLATED LIGHTNING STRIKES EXPECTED.

TAIL END OF WEAK TROUGH IN SRN BRANCH WILL MAINTAIN THREAT OF SOME
CONVECTION EMBEDDED IN THE VERY MOIST AIR MASS ACROSS SRN FL. ANY
LIGHTNING SHOULD END BY EVENING AS UPPER SYSTEM MOVES OFF TO THE SE.

..HALES.. 12/17/2006