FVXX21 KWBC 160300 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0300 UTC 16 FEB 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-197 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. NOAA-14 16/2112 UTC INFRARED AND MULTISPECTRAL IMAGERY. 16/0000 AVIATION MODEL WINDS. . ERUPTION DETAILS: PERIODIC ASH AND STEAM EMISSIONS. . DETAILS OF ASH: GOES-8 IMAGERY THROUGH 0245 UTC SHOWS NO SIGN OF ANY ASH. THE ASH FROM THE EARLIER ERUPTIONS HAS DISSIPATED AND CAN NO LONGER BE SEEN IN IMAGERY INCLUDING 1 KILOMETER RESOLUTION POLAR IMAGERY. TUNGURAHUA REMAINS IN A VERY ACTIVE STATE AND COULD PRODUCE ASH AT ANYTIME. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR BELOW FL250 TO MOVE WEST AT 10 TO 15 KNOTS. ANY ASH ABOVE FL250 WOULD MOVE NORTHWEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 16/0900 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.NOAA/NESDIS/SAB . NNNN