FVXX22 KWBC 170030 VOLCANIC ASH ADVISORY ISSUED 0030 UTC 17 OCT 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1148 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE IN QUITO. SIX HOUR WIND FORECAST FROM THE 16/1800 UTC AVIATION MODEL . ERUPTION DETAILS: LARGE ERUPTIONS AT 16/1731Z AND 16/1753Z. . DETAILS OF ASH CLOUD: ASH IS NO LONGER SEEN IN THE SATELLITE IMAGERY THROUGH 16/2345 UTC. TRAJECTORY: ANY REMAINING ASH AT FL200 WILL MOVE TOWARDS THE WEST AT 5-10 KNOTS WHILE ASH BETWEEN FL200 AND FL400 WILL MOVE TOWARDS THE NORTHWEST AT 10-20 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT ADVISORY WILL BE ISSUED BY 17/0630 UTC. REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWER CASE EXCEPT /VAAC/). . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . WALTER . NNNN