[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 220044
SWODY1
SPC AC 220041

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0641 PM CST SUN JAN 21 2007

VALID 220100Z - 221200Z

...NO TSTM AREAS FORECAST...

...SYNOPSIS...
LARGE/POSITIVELY-TILTED UPPER TROUGH WILL PERSIST FROM THE GREAT
LAKES SWWD INTO THE DESERT SW...WHILE EMBEDDED UPPER LOW WILL
CONTINUE DROPPING SWD ACROSS AZ INTO FAR NWRN MEXICO BY THE END OF
THE PERIOD.  

INSTABILITY REMAINS VERY MINIMAL -- BOTH INVOF THE UPPER LOW IN AZ
AS WELL AS IN THE SEASONABLY-MOIST BOUNDARY LAYER WHICH HAS ADVECTED
NWD INTO THE CENTRAL/ERN GULF COAST REGION.  THIS LACK OF
INSTABILITY WILL CONTINUE TO LIMIT ANY POTENTIAL FOR
LIGHTNING...BOTH ACROSS AZ -- WHERE 3 CG STRIKES HAVE BEEN OBSERVED
THIS AFTERNOON...AND ACROSS THE CENTRAL AND ERN GULF COAST REGION --
WHERE NO LIGHTNING HAS YET BEEN DETECTED.  THEREFORE...WILL NOT
INCLUDE ANY 10% THUNDER LINES FOR THE REMAINDER OF THIS FORECAST
PERIOD.

..GOSS.. 01/22/2007