000 
TTAA00 KEKA 072143

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE EUREKA CA
230 PM PDT WED OCT 7 1998

A LONGWAVE TROF SEEMS TO BE ESTABLISHED FOR THE LONG HAUL IN THE GULF
OF ALASKA WITH RIDGES OVER THE ALEUTIANS AND MID AMERICA.
SHORTWAVES WILL ROTATE AROUND THIS TROF INTO NORTHWEST CALIFORNIA
PERIODICALLY THROUGH FRIDAY.  RADAR SHOWS ECHOES ASSOCIATED WITH A
ROPE OF MORE INTENSE CLOUDS APPARENT ON VISIBLE SATELLITE ABOUT 90 NM
WEST OF CAPE MENDOCINO.  THIS SHORTWAVE WILL PASS THROUGH THE
FORECAST AREA TONIGHT.  NEW ETA KEEPS US DRY THURSDAY AND OLDER
MODELS ALSO BROUGHT IN NVA THURSDAY.  A SECOND SET OF SHORTWAVES WILL
MOVE THROUGH THURSDAY NIGHT AND FRIDAY SO WILL PUT IN SLIGHT CHANCE
RAIN NORTH FOR THOSE.  THE MODELS DON'T SEEM TO HAVE A HANDLE ON THE
HIGH LEVEL MOISTURE APPARENT ON WATER VAPOR THAT IS WRAPPING BACK
WEST AROUND THE SHORTWAVE NOW APPROACHING.  PERHAPS LATER MODEL RUNS
WILL TAKE THIS MOISTURE INTO ACCOUNT AND COME UP WITH A DIFFFERENT
SOLUTION FOR THURSDAY NIGHT AND FRIDAY.  POPS CEC 6022 EKA 6022 UKI
2000.  NEYMAN

EKA...SMALL CRAFT ADVISORY PT ST GEORGE TO CAPE MENDOCINO OUT 60
NM...