FVXX21 KWBC 100400 VOLCANIC ASH ADVISORY ISSUED: 2000DEC10/0400Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2000/1181 INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: ASH REPORTED OVER THE SUMMIT AT 09/2120Z. . DETAILS OF ASH CLOUD: NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH 0315Z POSSIBLY DUE TO THE WEATHER CLOUDS OVER THE AREA. AT 09/2120Z THE GEOPHYSICAL INSTITUTE REPORTED ASH TO FL170 OVER THE SUMMIT. LATE AFTERNOON VISIBLE SATELLITE IMAGES CONFIRMED THE PRESENCE OF A THIN ASH PLUME WHICH EXTENDED FROM THE SUMMIT TOWARD THE SOUTHWEST. . TRAJECTORY: ANY ASH AT ABOUT FL170 WOULD MOVE SOUTHWEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 10/1000Z. . 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. . NNNN