FVXX21 KWBC 170300 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0300 UTC 17 FEB 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-201 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. NOAA-15 INFRARED AND MULTISPECTRAL IMAGERY. 17/0000 UTC AVIATION MODEL WINDS. . ERUPTION DETAILS: PERIODIC ASH AND STEAM EMISSIONS. . DETAILS OF ASH: GOES-8 IMAGERY THROUGH 0115 UTC AND NOAA-15 IMAGERY THROUGH 16/2313 UTC SHOWS NO SIGNS OF ANY ASH. THE VOLCANO REMAINS IN A VERY ACTIVE STATE AND COULD ERUPT ANYTIME. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH UP TO FL270 WOULD MOVE TO THE WEST NORTHWEST AT 15 TO 20 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 17/0900 UTC. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS 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. . HUGHES . NNNN