[SWODY1] SWODY1

[SWODY1 at goshenarc.org]

ACUS01 KWNS 270453
SWODY1
SPC AC 270451

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
1051 PM CST SUN DEC 26 2004

VALID 271200Z - 281200Z

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 15 SSW SFO 25 SE SJC
25 ESE OXR.

...NO SVR TSTM AREAS FORECAST...

...COASTAL AREA OF CENTRAL CA...
LARGE CLOSED UPPER LOW LOCATED OFF THE WA-NRN CA COAST WILL CONTINUE
TO MOVE SWD TODAY...AS AN UPSTREAM AMPLIFYING TROUGH DIGS SEWD
ACROSS THE GULF OF AK TOWARD THE BC COAST.  SHORT WAVE TROUGH...
CURRENTLY LOCATED ON THE W/SW PERIPHERY OF THE CLOSED LOW...WILL
ROTATE THROUGH THE SRN PORTION OF THIS FEATURE AND APPROACH THE
CENTRAL/SRN CA COAST BY 12Z TUESDAY.  SHORT TERM MODELS AGREE WITH
THE TIMING OF A COLD FRONT MOVING INLAND ALONG THE CENTRAL CA COAST
AFTER 06Z.

LARGE SCALE ASCENT IS EXPECTED TO INCREASE ALONG THE CENTRAL CA
COAST BY THIS AFTERNOON...AS INCREASING UPPER LEVEL DIVERGENCE
DEVELOPS OVER THIS AREA WITHIN EXIT REGION OF 90+ KT 500 MB JET 
ROUNDING BASE OF UPPER LOW.  THIS WILL RESULT IN EXTENSIVE
PRECIPITATION/SHOWER ACTIVITY SPREADING SWD ALONG THE CENTRAL TO SRN
CA COASTAL AREAS /ALONG AND WEST OF COASTAL RANGES/.  STEEPENING
LAPSE RATES ASSOCIATED WITH MID LEVEL COLD POOL /-26 TO -28C AT 500
MB/ ARE EXPECTED TO SPREAD INLAND OVER CENTRAL CA AFTER 06Z...
RESULTING IN WEAK INSTABILITY FOR A FEW LIGHTNING STRIKES.

..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.