[SWODY1] SWODY1

[SWODY1 at goshenarc.org]

ACUS01 KWNS 270029
SWODY1
SPC AC 270027

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0627 PM CST SUN DEC 26 2004

VALID 270100Z - 271200Z.

...NO TSTM AREAS FORECAST...

...SYNOPSIS...
LARGE/COLD CLOSED UPPER LOW WITH SEVERAL EMBEDDED SHORT WAVE TROUGHS
WILL ROTATE SWD TONIGHT OFF THE WRN U.S. COAST...AS A DOWNSTREAM
RIDGE AMPLIFIES OVER THE ROCKIES AND BUILDS EWD ACROSS THE CENTRAL
STATES.  OCEANIC LIGHTNING DATA SHOWED THE NUMBER OF STRIKES WITHIN
THE UPPER LOW HAS DECREASED SINCE 20Z. SWD MOVEMENT OF THE UPPER
LOW WILL TEND TO MAINTAIN GREATEST LARGE SCALE ASCENT TO THE WEST OF
THE WA-CA COASTLINE...WHERE COLD MID-LEVEL TEMPERATURES /-30 TO -34C
AT 500 MB/ WILL SUPPORT STEEP LAPSE RATES FOR A FEW ADDITIONAL
LIGHTNING STRIKES.  

ELSEWHERE...STABLE BOUNDARY LAYER ASSOCIATED WITH SURFACE HIGH
PRESSURE BUILDING EWD INTO THE GREAT LAKES TO GULF COAST STATES WILL
PRECLUDE THE DEVELOPMENT OF DEEP CONVECTION.

..PETERS.. 12/27/2004

...NOTICE...
FOR USERS DECODING THE POINTS PARAGRAPH HEREIN...LATITUDE AND
LONGITUDE POINTS FOR THE CATEGORICAL AND PROBABILISTIC OUTLOOK
GRAPHICS ALSO ARE LOCATED IN A SEPARATE PRODUCT UNDER THE WMO
HEADINGS WUUS01 PTSDY1...WUUS02 PTSDY2...AND WUUS03 PTSDY3.  THE
INCLUSION OF POINTS IN THIS PRODUCT WILL EVENTUALLY BE DISCONTINUED.