[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 191949
SWODY1
SPC AC 191947

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0147 PM CST TUE DEC 19 2006

VALID 192000Z - 201200Z

...NO SVR TSTM AREAS FORECAST...

...SRN ROCKIES INTO THE SRN PLAINS...
BROAD AREA OF NON-SEVERE THUNDERSTORMS WILL CONTINUE TO EXPAND
ACROSS THE REGION AHEAD OF SLOW MOVING UPPER LOW NOW MOVING ACROSS
AZ.  LEADING AREA OF ELEVATED THUNDERSTORMS OVER THE SRN HIGH PLAINS
ATTM APPEARS ASSOCIATED WITH BROAD LOW LEVEL WAA WITHIN MID LEVEL
MOISTURE PLUME WELL AHEAD OF APPROACHING SYSTEM.  THIS ACTIVITY WILL
LIKELY EXPAND NNEWD THIS EVENING...WITH ANOTHER BATCH OF MOIST
CONVECTION AND THUNDERSTORMS DEVELOPING NEARER THE MID/UPPER LEVEL
SYSTEM WHICH WILL LIKEWISE SHIFT ENEWD OVERNIGHT.  FORECAST
SOUNDINGS CONTINUE TO INDICATE MARGINAL INSTABILITY WITH ELEVATED
PARCELS...SUGGESTING EMBEDDED THUNDERSTORMS WILL PERSIST.

..EVANS.. 12/19/2006