[SWODY1] SWODY1

[SWODY1 at goshenarc.org]

ACUS01 KWNS 271939
SWODY1
SPC AC 271937

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0137 PM CST MON DEC 27 2004

VALID 272000Z - 281200Z

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 15 SSW SFO 25 SE SJC
30 S LGB.

...NO SVR TSTM AREAS FORECAST...

...SRN CA...
A MID-LEVEL SHORTWAVE TROUGH LOCATED 31.5N/132.3W WAS SEEN MIGRATING
AROUND THE PARENT UPPER LOW IN AFTERNOON WATER VAPOR IMAGERY.  THIS
DISTURBANCE SHOULD TURN EWD LATE THIS AFTERNOON AND SHOULD BE
APPROACHING THE SRN CA COAST BY 12Z.  OCEANIC LIGHTNING DATA HAS
INDICATED CLUSTERS OF CLOUD-WATER LIGHTNING STRIKES ASSOCIATED WITH
THIS IMPULSE AND MODELS INDICATE THAT INSTABILITY WILL BEGIN
INCREASING IN SRN COASTAL CA VERY LATE TONIGHT.  THUS...IT SEEMS
REASONABLE TO EXPECT AT LEAST MARGINAL PROBABILITIES FOR TSTMS AFTER
MIDNIGHT...PARTICULARLY FROM SAN LUIS OBISPO SWD THROUGH THE CHANNEL
ISLANDS.  TSTMS ARE APT TO BE EMBEDDED WITHIN A LINEAR BAND OF
CONVECTION.

IT DOES NOT APPEAR INSTABILITY WILL BE STRONG ENOUGH TO SUPPORT
SEVERE TSTMS.  SEVERE PROBABILITIES WILL INCREASE ON TUESDAY...
HOWEVER /REFER TO SPC DAY 2 CONVECTIVE OUTLOOK/.

..RACY.. 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.