FVXX20 KWBC 122130 VOLCANIC ASH ADVISORY ISSUED 2130 UTC 12 OCT 2000 BY THE WASHINGTON VAAC . GUAGUA PICHINCHA 00-191 ECUADOR 0011S 7836W . BACKGROUND: GUAGUA PICHINCHA ECUADOR (1502-02) SUMMIT HEIGHT 15695 FT (4784 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED...AND MULTISPECTRAL IMAGERY. AVIATION FORECAST MODEL FROM 12/1200 UTC. THE GUAYAQUIL METEOROLOGICAL WATCH OFFICE. . ERUPTION DETAILS: EXPLOSION AT 12/1446 UTC TO NEAR SUMMIT LEVEL. . DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 2115 UTC DOES NOT INDICATE THE PRESENCE OF ASH. PREVIOUS REPORTS INDICATE THE ASH EMISSION WAS MOSTLY SUMMIT LEVEL. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR NEAR SUMMIT LEVEL WILL MOVE TO THE NORTHWEST AT 15 KTS. . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE LAST MESSAGE ISSUED ON THIS EVENT. . REAL TIME SATELLITE IMAGERY AND 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. . HUGHES . NNNN