FVXX21 KWBC 232230 VOLCANIC ASH ADVISORY STATEMENT ISSUED 2220 UTC 23 MAY 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-605 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY. 12 HOUR WIND FORECAST FROM THE 23/1200 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 23/2145 UTC BECAUSE OF THE EXTENSIVE WEATHER CLOUDS OVER THE REGION. THE GEOPHYSICAL INSTITUTE REPORTS THAT THERE WERE FEWER EXPLOSIONS TODAY THAN YESTERDAY. . TRAJECTORY: IF THERE IS ANY ASH BETWEEN THE SUMMIT AND FL300 UPPER AIR PATTERNS SUGGEST THAT IT WOULD MOVE TOWARD THE WEST AT 15 TO 30 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 24/0430 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. . NNNN