FVXX20 KWBC 122020 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 2020 UTC 12 NOV 1999 BY THE WASHINGTON VAAC . GUAGUA PICHINCHA 99-083 ECUADOR 0.17S 78.60W . BACKGROUND: GUAGUA PICHINCHA ECUADOR (1502-02) SUMMIT HEIGHT 15695 FT (4784 M) . SOURCES OF INFORMATION: VISIBLE INFRARED AND MULTISPECTRAL GOES-8 SATELLITE IMAGERY...GUAYAQUIL MWO . ERUPTION DETAILS: GUAYAQUIL METEOROLOGICAL WATCH OFFICE REPORTS AN ERUPTION OF THE GUAGUA PICHINCHA VOLCANO TO FL250-280 AT ABOUT 1930 UTC. . DETAILS OF ASH CLOUD: AN ASH PLUME IS SEEN EMANATING FROM THE VOLCANO AT 1945 UTC . TRAJECTORY: NATIONAL WEATHER SERVICE MODEL DATA AND UPPER AIR WIND DATA INDICATES THAT ASH WOULD MOVE TO THE WEST AT 10KT. . 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/) . OUTLOOK: SEE SIGMETS . THE NEXT STATEMENT WILL BE ISSUED WHEN MORE SATELLITE DATA IS AVAILABLE. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN