FVXX21 KWBC 161030 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1030 UTC 16 JAN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-062 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. UPPER AIR DATA AND REPORTS FROM THE GEOPHYSICAL INSTITUTE... . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM WITH SOME POSSIBLE EXPLOSIONS... . DETAILS OF ASH: THE LATEST INFRARED AND MULTISPECTRAL SATELLITE IMAGES THROUGH 16/0915 UTC DO NOT SHOW ANY AREAS OF ASH OR STEAM AND IT HAS NOW BEEN ABOUT 8 HOURS SINCE ANY HAS BEEN SEEN. THEREFORE IT WOULD APPEAR THAT THE VOLCANO HAS FOR NOW AT LEAST BECOME MORE TRANQUIL. THERE IS STILL A FAIR AMOUNT OF CLOUDINESS LEFT OVER FROM EARLIER SHOWER ACTIVITY AND SO ANY EMISSIONS WILL LIKELY AGAIN BE EMBEDDED WITHIN THE CLOUD DECKS. THIS WOULD ALSO MAKE IT HARD TO DETAIL IN SATELLITE IMAGERY. ANY CURRENT ASH IS BELIEVED TO BE NO HIGHER THAN FL250. . TRAJECTORY: ASH AND STEAM TO FL250 SHOULD MOVE NORTH-NORTHWEST AT ABOUT 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 16/1630 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. . ORRISON . NNNN