[SWODY2] SWODY2

[Severe Weather Outlook - Day 2]

ACUS02 KWNS 280546
SWODY2
SPC AC 280544

DAY 2 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1144 PM CST TUE DEC 27 2005

VALID 291200Z - 301200Z

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 55 ESE CHS 15 ENE CRE
20 S GSB 45 SSE NHK NEL 10 NW ISP 30 SSW ORH 15 WNW PSM 10 W PWM 20
S AUG 60 SSE BHB.

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...

PROGRESSIVE WAVE TRAIN WILL CONTINUE THROUGH THE DAY TWO PERIOD FROM
THE ERN PACIFIC INTO THE WRN ATLANTIC. STRONG...MID/UPPER-LEVEL
TROUGH OVER THE ERN U.S. THURSDAY MORNING WILL GRADUALLY LIFT NEWD
OFF THE COAST WHILE NEXT UPSTREAM TROUGH INTENSIFIES OVER THE
PLAINS.  MEANWHILE IN THE W...ANOTHER TROUGH WILL APPROACH THE
PACIFIC NW COAST FRIDAY MORNING.

IN THE LOW-LEVELS...SURFACE LOW ASSOCIATED WITH THE EASTERN TROUGH
/INITIALLY OVER ERN VA/ WILL DEVELOP NEWD TO VICINITY OF THE ME
COAST BY THE END OF THE PERIOD.  OVER THE PLAINS...PRIMARY SURFACE
LOW WILL SHIFT EWD ACROSS SD WITH TRAILING COLD FRONT PUSHING SEWD
OUT OF NRN HIGH PLAINS.  FARTHER TO THE S...SECONDARY LOW PRESSURE
WILL DEVELOP SEWD FROM THE TX PNHDL INTO NRN TX.

...NC COAST TO NEW ENGLAND COAST...

NOCTURNAL CONVECTION WILL LIKELY BE ONGOING AT THE START OF THE
FORECAST PERIOD NEAR SURFACE LOW SWD ALONG COLD FRONT FROM SERN VA
INTO ERN NC.  THIS ACTIVITY SHOULD MOVE OFF SHORE QUICKLY THURSDAY
MORNING.  OTHER ISOLATED TO WIDELY SCATTERED TSTM DEVELOPMENT WILL
BE POSSIBLE ALONG AND N OF SURFACE LOW TRACK WHERE
STRONG...DEEP-LAYER FORCING FOR ASCENT WILL BE COLOCATED WITH WEAK
ELEVATED INSTABILITY.

ELSEWHERE...AN ISOLATED LIGHTNING STRIKE OR TWO WILL BE POSSIBLE
THURSDAY OVER THE CNTRL ROCKIES AND ADJACENT HIGH PLAINS IN
ASSOCIATION WITH MID-LEVEL COLD POOL /I.E. -24 TO -28 C AT 500 MB/
AND RESULTANT STEEP MID-LEVEL LAPSE RATES.  PRIMARY ZONE OF FORCING
FOR ASCENT ASSOCIATED WITH PARENT MID-LEVEL TROUGH IS EXPECTED TO
HAVE SHIFTED EWD INTO THE PLAINS AT THIS TIME...THUS AREAL COVERAGE
SHOULD REMAIN QUITE LIMITED.

OTHER ISOLATED LIGHTNING ACTIVITY MAY ALSO APPROACH THE PACIFIC NW
COAST LATE IN THE FORECAST PERIOD IN ASSOCIATION WITH NEXT TROUGH
MOVING ACROSS THE ERN PACIFIC. HERE TOO...COVERAGE SHOULD REMAIN
QUITE LIMITED AND NO THUNDER AREA WILL BE INCLUDED.

..MEAD.. 12/28/2005

...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