FVXX20 KWBC 171833
VOLCANIC ASH ADVISORY-WATCH
ISSUED: 2004OCT17/1630Z   VAAC: WASHINGTON

VOLCANO: ST. HELENS 1201-05
LOCATION: N4612W12211    AREA: US-WASHINGTON

SUMMIT ELEVATION: 8363 FT (2549 M)

ADVISORY NUMBER: 2004/030

INFORMATION SOURCE: CASCADES VOLCANO OBSERVATORY. GOES-10 AND
GOES-12 INFRARED AND MULTISPECTRAL IMAGERY.  

REMARKS: NO EXPLOSIVE ERUPTION OR ASH IS CURRENTLY BEING
OBSERVED OR REPORTED.  THE VOLCANO OBSERVATORY REPORTS SEISMIC
ACTIVITY REMAINS ELEVATED AND SUGGESTS THAT AN EXPLOSIVE
ERUPTION WITH LITTLE OR NO WARNING IS POSSIBLE.  THE
WASHINGTON VAAC WILL CONTINUE TO MONITOR THE AREA AND ISSUE
VOLCANIC ASH WATCH ADVISORIES EVERY 24 HOURS.  IF ASH IS
OBSERVED OR REPORTED A VOLCANIC ASH ADVISORY WILL BE ISSUED AS
SOON AS POSSIBLE. 
.
EFFECTIVE OCT 28 2004...THE HEADER IDENTIFICATION FOR THIS
PRODUCT WILL CHANGE FROM KWBC TO KNES.
. 
NEXT ADVISORY: WILL BE ISSUED BY 2004OCT18/1630Z.
.
NNNN