[SWODY2] SWODY2

[Severe Weather Outlook - Day 2]

ACUS02 KWNS 071717
SWODY2
SPC AC 071716

DAY 2 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1116 AM CST SAT JAN 07 2006

VALID 081200Z - 091200Z.

...NO TSTM AREAS FORECAST...

...SYNOPSIS...
RELATIVELY LOW-AMPLITUDE/PROGRESSIVE MID-LEVEL PATTERN FORECAST THIS
PERIOD...AS PAIR OF SHORT-WAVE TROUGHS MOVING ACROSS THE WEST DURING
THE DAY 1 PERIOD AFFECT THE PLAINS/GREAT LAKES/OH VALLEY REGION DAY
2.

INITIAL TROUGH -- FORECAST OVER THE CENTRAL PLAINS AT THE START OF
THE DAY 2 PERIOD...WILL BE ACCOMPANIED BY A SURFACE CYCLONE WHICH
SHOULD MOVE FROM THE MID MO VALLEY REGION ENEWD TO THE LOWER GREAT
LAKES. 

LOW-LEVEL FLOW ACROSS THE SERN QUARTER OF THE CONUS WILL TURN SLY IN
RESPONSE TO THIS SYSTEM...HOWEVER QUALITY OF GULF RETURN MOISTURE
WILL BE POOR.  RESULTING LACK OF INSTABILITY SHOULD PRECLUDE ANY
THREAT FOR THUNDERSTORMS.

SECOND TROUGH IS FORECAST TO MOVE SEWD FROM THE PAC NW INTO THE
CENTRAL ROCKIES...ACCOMPANIED BY -28 TO -32 C MID-LEVEL COLD POOL. 
RESULTING STEEP LAPSE RATES MAY SUPPORT A FEW LIGHTNING STRIKES --
MAINLY OVER ERN ID/CO/WY DURING THE AFTERNOON AND EVENING -- AS
ASSOCIATED AREA OF SCATTERED PRECIPITATION SPREADS ACROSS THIS
REGION.  HOWEVER...ANY LIGHTNING COVERAGE SHOULD REMAIN
MINIMAL/BELOW 10%.

..GOSS.. 01/07/2006

...NOTICE...
THE STATION RELATIVE POINTS IN THIS PRODUCT WILL BE
DISCONTINUED ON 14 FEBRUARY 2006 BUT WILL REMAIN AVAILABLE
IN THE FOLLOWING PRODUCTS:

   WMO HEADER:       AWIPS ID:
   WUUS01            PTSDY1
   WUUS02            PTSDY2
   WUUS03            PTSDY3

A SERVICE CHANGE NOTICE ...SCN05-39... PROVIDES DETAILS
ON THE TRANSITION. FOR ADDITIONAL DETAILS SEE THE FOLLOWING
WEB ADDRESS USING LOWER CASE LETTERS:
WWW.NWS.NOAA.GOV/OM/NOTIF.HTM