FVXX21 KWBC 262100 VOLCANIC ASH ADVISORY ISSUED 2100 UTC 26 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1000 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY. WINDS FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL INSTITUTE REPORT. . ERUPTION DETAILS: GAS AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: ASH WAS NOT SEEN IN SATELLITE IMAGERY THROUGH 26/2015 UTC. BROKEN CLOUDS COVERED THE AREA AROUND THE VOLCANO MAKING IT DIFFICULT TO DETECT ASH. THE GEOPHYSICAL INSTITUTE REPORTED 4 MODERATE EXPLOSIONS YESTERDAY ALONG WITH CONSTANT TREMORS. HOWEVER NO ASH WAS OBSERVED DUE TO THE PERSISTENT CLOUDINESS IN THE AREA. . TRAJECTORY: ANY ASH AT SUMMIT LEVEL WOULD MOVE TOWARDS THE WEST AT ABOUT 15 TO 25 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 27/0300 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. . CLARK . NNNN