FVXX20 KNES 050403 VOLCANIC ASH ADVISORY ISSUED: 2004OCT05/0401Z VAAC: WASHINGTON VOLCANO: ST. HELENS 1201-05 LOCATION: N4612W12211 AREA: US-WASHINGTON SUMMIT ELEVATION: 8363 FT (2549 M) ADVISORY NUMBER: 2004/012 INFORMATION SOURCE: GOES-12. GFS MODEL WINDS. PILOT REPORT. GOES-10. CASCADES VOLCANO OBSERVATORY ERUPTION DETAILS: EMISSION OF STEAM AND SOME ASH AT 04/1645Z. OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: IN THE LAST GOES-12 VISIBLE IMAGERY OF THE DAY AN EXTREMELY FAINT STEAM AND ASH PLUME TO FL120 COULD BE SEEN. AT 0115Z IT WAS DETACHED FROM BUT NEAR THE SUMMIT AND IT EXTENDED TOWARD THE EAST SOUTHEAST APPROXIMATELY TO THE POINT N45 W120 IN NORTH CENTRAL OREGON. HOWEVER NO PLUME OR HOTSPOT CAN BE SEEN IN CURRENT MULTISPECTRAL OR INFRARED SATELLITE IMAGERY. ...STREETT THIS PRODUCTS HEADER WILL CHANGE FROM KWBC TO KNES EFFECTIVE OCT 28, 2004. NEXT ADVISORY: NO FURTHER ADVISORIES NNNN