FVXX21 KWBC 132030 VOLCANIC ASH ADVISORY ISSUED 2030 UTC 13 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-948 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: GASES AND OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: ASH WAS NOT DETECTED IN THE 1945 UTC VISIBLE SATELLITE IMAGERY BECAUSE OF CLOUDINESS IN THE VICINITY. . TRAJECTORY: ASH TO FL170 WOULD MOVE TOWARD THE NW AT 6 TO 12 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 14/0230 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. . BROWN . NNNN