[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 260012
SWODY1
SPC AC 260010

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0610 PM CST SAT NOV 25 2006

VALID 260100Z - 261200Z

...NO SVR TSTM AREAS FORECAST...

...SERN NEB/NERN KS/NRN MO/CENTRAL-SRN IA...
A COUPLE OF SHORT WAVE TROUGHS WILL TRAVERSE NEWD ACROSS THE
CENTRAL/SRN PLAINS TO THE GREAT LAKES REGION WITHIN SUBTROPICAL
STREAM ALONG THE ERN PERIPHERY OF WRN U.S. LONG WAVE TROUGH.  A
SURFACE BOUNDARY EXTENDING FROM NRN KS TO ALONG THE MO/IA BORDER
INTO SRN WI SHOULD CONTINUE TO MOVE SLOWLY NWD TONIGHT...AS A COLD
FRONT SPREADS SEWD INTO THE UPPER MS VALLEY AND NEB.

WATER VAPOR IMAGERY INDICATED A LEAD SHORT WAVE TROUGH TRACKING
ACROSS NERN KS/SRN IA AT THIS TIME...WITH THIS FEATURE EXPECTED TO
DEPART THE DAY 1 GENERAL TSTM OUTLOOK AREA THIS EVENING.  ASCENT
WITH THIS FEATURE HAS AIDED IN MOISTENING THE MID LEVELS AS SHOWN BY
CLOUDS ACROSS THIS AREA.  THIS MOISTENING COMBINED WITH ASCENT AHEAD
OF NEXT UPSTREAM SPEED MAX/SHORT WAVE TROUGH...NOW LOCATED OVER SRN
ROCKIES/HIGH PLAINS...AND WAA ALONG NOSE OF STRENGTHENING SWLY LLJ
MAY SUPPORT CONVECTION AND A FEW LIGHTNING STRIKES THIS FORECAST
PERIOD.  THIS ACTIVITY...THOUGH LIKELY SPARSE...SHOULD PRIMARILY BE
LOCATED ALONG/N OF RETREATING SURFACE BOUNDARY FROM NERN KS INTO IA.

..PETERS.. 11/26/2006