FVXX21 KWBC 300230 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0230 UTC 30 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-376 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 30/0000 UTC UPPER WIND FORECAST FROM THE 29/1800 UTC AVN MODEL. . ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS. . DETAILS OF ASH: GOES-8 IMAGERY THROUGH 0145 UTC SHOWS EXTENSIVE LOW AND MID LEVEL CLOUDS IN THE VICINITY OF THE VOLCANO MAKING IT DIFFICULT TO DETECT ANY ASH. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH TO FL230 WOULD MOVE TOWARDS THE WEST SOUTHWEST AT 15 TO 25 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 30/0830 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. . NNNN