FVXX21 KWBC 071330 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1330 UTC 07 APR 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-411 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. 6 HOUR WIND FORECAST FROM THE 07/0600 UTC AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS. . DETAILS OF ASH: VISIBLE IMAGERY THROUGH 07/1245 UTC INDICATES DENSE CLOUD COVER OVER THE AREA SURROUNDING THE SUMMIT. THE CLOUDS ARE IMPEDING ASH DETECTION FROM SATELLITE. NO ASH IS VISIBLE IN IMAGERY AT THIS TIME. . TRAJECTORY: ANY VOLCANIC ASH PRESENT UP TO FL200 WOULD MOVE SOUTHWEST AT 15 TO 20 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 07/1930 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. . CLARK . NNNN