FVXX21 KWBC 191115 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1115 UTC 19 OCTOBER 1999 BY THE WASHINGTON VAAC . TUNGURAHUA 99-004 ECUADOR 1.47S 78.44W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED...AND MULTISPECTRAL IMAGERY...SIGMET FROM GUAYAQUIL AND THE GEOPHYSICAL INSTITUE IN QUITO. . ERUPTION DETAILS: ERUPTION OCCURED AT 19/1044 UTC TO FL250. . DETAILS OF ASH: SIGMET 5 FROM GUAYAQUIL STATES THE VOLCANO ERUPTED AT 19/1044 UTC TO FL250. CURRENT SATELLITE IMAGERY..19/1045 UTC..SHOWS THE AREA COVERED IN CLOUDS AND THUS ASH IS NOT VISIBLE. . TRAJECTORY: ANY ASH TO FL250 WOULD MOVE TOWARD THE WEST-SOUTWEST AT 5-10 KTS. . 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 www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE SENT AT 19/1715 UTC. . WALTER/SAB/NOAA/NESDIS . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN