FVXX21 KWBC 030130 VOLCANIC ASH ADVISORY ISSUED 0130 UTC 03 AUG 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-904 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM. . DETAILS OF ASH: EXTENSIVE LOW AND MID LEVEL CLOUDS OVER THE VOLCANO MAKE IT DIFFICULT TO DETECT ASH IN SATELLITE IMAGERY THROUGH 03/0045 UTC. THE GEOPHYSICAL INSTITUTE REPORTED VOLCANIC ASH OVER THE VOLCANO TO FL230 AT 02/1718 UTC. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL250 WILL MOVE TOWARD THE WEST AROUND 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 03/0730 UTC. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER 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