FVXX21 KWBC 260200 VOLCANIC ASH ADVISORY ISSUED 0200 UTC 26 SEP 2000 BY THE WASHINGTON VAAC . . TUNGURAHUA 00-1110 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. THE GEOPHYSICAL INSTITUTE. SIX HOUR WIND FORECAST FROM THE 25/1800 UTC AVIATION MODEL. . ERUPTION DETAILS: NO RECENT ASH EMISSIONS ERUPTION DETAILS: 5 MINUTE EXPLOSION AT 25/1319 UTC . DETAILS OF ASH: ASH IS NOT SEEN IN THE SATELLITE IMAGERY THROUGH 26/0115 UTC. TRAJECTORY: ANY ASH NEAR FL270 WILL MOVE WEST 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS VAFTAD. . THE NEXT ADVISORY WILL BE ISSUED BY 26/0800 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