FVXX21 KWBC 240420 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0420 UTC 24 MAY 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-606 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 12 HOUR WIND FORECAST FROM THE 23/1800 UTC AVIATION MODEL. GEOPHYSICAL INSTITUTE IN QUITO. . ERUPTION DETAILS: NEARLY CONTINUOUS GAS AND ASH EMISSIONS. . DETAILS OF ASH: NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH 24/0345 UTC DUE TO EXTENSIVE CLOUDINESS. HOWEVER THE VOLCANO REMAINS VERY RESTLESS AND THERE WERE REPORTS OF ASH FALLS IN THE CITY OF QUERO JUST OVER 12 HOURS AGO. THE LAST CONFIRMED HEIGHT OF ASH WAS FL230 ABOUT 36 HOURS AGO. ANY CURRENT ACTIVITY IS NOT BELIEVED TO BE ANY HIGHER THAN FL230 FOR NOW. . TRAJECTORY: ANY ASH FROM THE SUMMIT AND FL230 IS EXPECTED TO MOVE TOWARD THE WEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 24/1030 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