FVXX21 KWBC 210345 VOLCANIC ASH ADVISORY ISSUED: 2001SEP21/0345 VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/266 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE. GUAYAQUIL METEOROLOGICAL WATCH OFFICE. TWELVE HOUR WIND FORECAST FROM THE 20/1800Z AVIATION MODEL. . ERUPTION DETAILS: ASH REPORTED OVER VOLCANO AT 20/1544Z. . DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 21/0315Z SHOWS NO CURRENT INDICATION OF ASH. HOWEVER HIGH LEVEL CLOUDS ARE OBSCURING THE VOLCANO AND MAY BE OBSCURING ANY ASH IN THE VICINITY. . TRAJECTORY: ANY ASH AT FL200 WILL MOVE WESTWARD AT 10-15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 21/1000Z. . INTERNET URLS... MESSAGE LISTSERV WWW.SSD.NOAA.GOV/VAAC/SUBSCRIBE.HTML MESSAGES GRAPHICS AND IMAGERY WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWERCASE EXCEPT /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . . NNNN