FVXX20 KWBC 181859
VOLCANIC ASH ADVISORY
ISSUED: 2004OCT18/1900Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 8363 FT (2549 M)

ADVISORY NUMBER: 2004/031

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

REMARKS: AFTER DISCUSSION WITH AUTHORITIES AT THE CASCADES
VOLCANO OBSERVATORY WE ARE DISCONTINUING THE WATCH FOR MOUNT
SAINT HELENS. THERE CONTINUES TO BE LOW LEVEL WITHIN CALDERA
ACTIVITY AT THE VOLCANO HOWEVER IT IS NOT POSING AN EMINENT
THREAT TO AVIATION. A NOTICE TO AVIATION WITHIN 5 NAUTICAL
MILES AND BELOW FL130 SHOULD CONTINUE. IF THREAT CONDITIONS
RISE A WATCH WILL AGAIN BE ISSUED. THE WASHINGTON VAAC WILL
CONTINUE TO MONITOR THE AREA AND 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.
. 
NO FURTHER ADVISORIES.
.
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