Friday, November 9, 2007

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 100039
SWODY1
SPC AC 100036

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0636 PM CST FRI NOV 09 2007

VALID 100100Z - 101200Z

..NO TSTM AREAS FORECAST...

..WA COAST...
SERIES OF SHORT WAVE TROUGHS ARE EVIDENT IN SATELLITE IMAGERY OVER
THE NERN PACIFIC AS A STRONG ZONAL JET PROGRESSES ACROSS THE
PACIFIC. INITIAL SYSTEM BETWEEN 130-135W WILL MOVE ONSHORE TONIGHT
WITH MINIMAL INSTABILITY...WHILE CELLULAR CONVECTION AND OCCASIONAL
LIGHTNING STRIKES ASSOCIATED WITH UPSTREAM TROUGH WEST OF 145W ARE
EXPECTED TO REMAIN OFFSHORE THROUGH THE END OF THE PERIOD.

..NRN SIERRA MTNS...
ISOLATED THUNDERSTORMS HAVE BEEN INDICATED BY NLDN LIGHTNING DATA
THIS AFTERNOON IN REGION OF LARGE SCALE ASCENT AHEAD OF UPPER LOW
OVER CENTRAL CA. THUNDERSTORM POTENTIAL IS EXPECTED TO DIMINISH BY
02-03Z AS DYNAMIC FORCING SHIFTS SEWD TOWARD SRN NV AND ENVIRONMENT
STABILIZES AFTER SUNSET.

.WEISS.. 11/10/2007

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