FVXX21 KWBC 021955 CCA VOLCANIC ASH ADVISORY...CORRECTION ISSUED 1930 UTC 02 JUL 2000 BY THE WASHINGTON VAAC . CORRECTION FOR TIME ISSUED . TUNGURAHUA 00-774 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED AND MULTISPECTRAL IMAGERY. WINDS FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL INSTITUTE REPORT. . ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 02/1845 UTC SHOWED EXTENSIVE CLOUD COVER OVER MOST OF THE COUNTRY MAKING IT DIFFICULT TO DETECT ANY ASH. SURFACE OBSERVATION OF THE VOLCANO IS ALSO DIFFICULT DUE TO THE CLOUD COVER. THE LAST REPORTED NEAR SUMMIT PLUME HEIGHT WAS AROUND FL250. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL250 IS FORECAST TO MOVE WEST AROUND 15 TO KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 03/0130 UTC. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORIES 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