FVXX21 KWBC 221315 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1315 UTC 22 JAN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-088 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...REPORTS FROM THE GEOPHYSICAL INSTITUTE....22/0000 UTC UPPER AIR DATA FROM TUNGURAHUA....0600 UTC AVIATION MODEL FORECAST SOUNDING DATA... . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM... . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 22/1245 UTC SHOWS NO SIGNS OF ANY ASH OR STEAM PLUMES. HOWEVER THE LATEST REPORT FROM THE GEOPHYSICAL INSTITUTE INDICATES THAT THERE CONTINUE TO BE EXPLOSIONS INSIDE THE VOLCANO. EXTENSIVE LOW AND MID LEVEL CLOUDINESS IS NOTED OVER AND ADJACENT TO THE SUMMIT. THUS ANY CURRENT ASH AND STEAM PLUMES ARE BELIEVED TO BE NEAR-SUMMIT TO AS HIGH AS FL200. THE GEOPHYSICAL INSTITUTE MAINTAINS A HIGH DEGREE OF CAUTION AS MORE IMPRESSIVE ERUPTIONS COULD OCCUR AT ANY TIME. . TRAJECTORY: ANY ASH AND STEAM FROM THE SUMMIT TO FL200 SHOULD MOVE TO THE WEST-SOUTHWEST AT ABOUT 20 KNOTS THIS MORNING. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 22/1930 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. . ORRISON . NNNN