FVXX21 KWBC 160730 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0730 UTC 16 MAR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-319 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 6 HOUR WIND FORECAST FROM THE 16/0600 UTC AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF GASES AND ASH. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 16/0645 UTC SHOWS LOW AND MID LEVEL CLOUDS OVER THE AREA MAKING DETECTION OF ASH DIFFICULT. THE FINAL VISIBLE IMAGE OF THE DAY AT 15/2245 UTC SHOWED A NARROW ASH PLUME EXTENDING TO THE WEST SOUTHWEST AWAY FROM THE SUMMIT. IN ADDITION AT 15/2300 UTC LATACUNGA REPORTED VOLCANIC ASH OVER THE VOLCANO. . TRAJECTORY: ANY EXISTING ASH BETWEEN FL170 AND FL270 WOULD MOVE TOWARDS THE WEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 16/1330 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. . WALTER . NNNN