FVXX21 KWBC 111330 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0330 UTC 11 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-298 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY. THE GEOPHYSICAL INSTITUTE IN QUITO. 11/1200 UTC FORECAST UPPER WINDS FROM THE AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL EMISSION OF GASES AND ASH. . DETAILS OF ASH: GOES-8 IMAGERY THROUGH 1315 UTC SHOWS NO SIGN OF ANY AIRBORNE ASH AT THIS TIME. THE INSTITUTE REPORTS THAT TUNGURAHUA HAS BEEN RELATIVELY QUIET IN THE PAST 12 HOURS. GOES SHORTWAVE INFRARED IMAGERY DOES SHOW AN OCCASIONAL HOT SPOT AT THE VOLCANO LOCATION INDICATING THAT THE VOLCANO REMAINS IN A VERY ACTIVE STATE AND COULD ERUPT AT ANYTIME. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH EMITTED WOULD MOVE WEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 11/1930 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