FVXX21 KWBC 020730 . VOLCANIC ASH ADVISORY STATEMENT - COR FOR NEXT ISSUANCE ISSUED 0730 UTC 02 DEC 1999 BY THE WASHINGTON VAAC . TUNGURAHUA 99-194 ECUADOR 1.47S 78.44W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 MULTISPECTRAL AND INFRARED IMAGERY. AVIATION MODEL WIND FORECAST. REPORT FROM THE GEOPHYSICAL INSTITUTE IN QUITO. . ERUPTION DETAILS: CONTINUOUS STEAM AND ASH EMISSIONS AND OCCASIONAL EXPLOSIONS OF ASH. . DETAILS OF ASH: NO ASH IS CURRENTLY BEING DETECTED THE SATELLITE IMAGERY THROUGH 02/0515 UTC. NO LATER IMAGES HAVE BEEN RECEIVED BY VAAC DUE TO HARDWARE PROBLEM AT WWB IN WASHINGTON. SIGMETS OUT OF GUAYAQUIL INDICATE THE GEOPHISICAL INSTITUTE REPORTS ASH OVER THE VOLCANO AND MOVING NORTHWEST. THIS WOULD PLACE THE ASH AT AN ESTIMATED HEIGHT OF FL300. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT FL300 WOULD MOVE NORTHWEST AT 5 TO 10 KNOTS. . 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/) . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 02/1330 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . HUGHES/NOAA/NESDIS/SAB . NNNN