FVXX20 KWBC 120530 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0530 UTC 12 APR 2000 BY THE WASHINGTON VAAC . GUAGUA PICHINCHA 00-125 ECUADOR 0011S 7836W . BACKGROUND: GUAGUA PICHINCHA ECUADOR (1502-02) SUMMIT HEIGHT 15695 FT (4784 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MUTISPECTRAL IMAGERY...GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: OCCASIONAL SMALL EMISSIONS. . DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 0345 UTC SHOWS LOW AND MID LEVEL CLOUDS OVER THE VOLCANO MAKING ANY ASH DETECTION DIFFICULT. THE GEOPHYSICAL INSTITUTE REPORTS THAT THERE MAY BE SMALL ASH AMOUNTS NEAR THE SUMMIT AT ANY TIME UP TO FL200. . TRAJECTORY: ANY ASH THAT MIGHT EXIST BETWEEN THE SUMMIT AND FL200 WOULD MOVE TOWARDS THE WEST AROUND 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 12/1130 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. . KARST . NNNN