FVXX21 KWBC 120930 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0930 UTC 12 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-302 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. WINDS FORECAST FROM THE 12/0000 UTC AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF GASES AND ASH. . DETAILS OF ASH: NO ASH CAN BE SEEN IN GOES-8 IMAGERY THROUGH 12/0845 UTC BUT ASH DETECTION IS HINDERED BY THE LOW AND MID LEVEL WEATHER CLOUDS IN THE AREA. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH THAT MIGHT BE PRESENT BETWEEN THE SUMMIT AND FL200 WOULD MOVE WEST OR WEST SOUTHWEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 12/1530 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. . STREETT . NNNN