FVXX20 KWBC 080130CORR . VOLCANIC ASH ADVISORY STATEMENT ISSUED 0130 UTC 08 OCTOBER 1999 BY THE WASHINGTON VAAC . GUAGUA PICHINCHA 99-036 ECUADOR 0.17S 78.60W . BACKGROUND: GUAGUA PICHINCHA (1502-02) SUMMIT HEIGHT 15,695 FT (4784 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY THROUGH 0045 UTC. 0000 UTC NUMERICAL WEATHER MODEL AND TRAJECTORY FORECASTS. UNITED STATES GEOLOGICAL SURVEY AT GEOPHYSICAL INSITUTE IN QUITO. . ERUPTION DETAILS: 07/1207 UTC DETAILS OF ASH CLOUD: THE USGS AT THE GEOPHYSICAL INSITUTE REPORTED AN EXPLOSIVE ERUPTION OF GUAGUA AT 07/1207 UTC. ASH FROM THE MORNING ERUPTION HAS BECOME TOO DIFFUSE TO BE DETECTED IN THE LATEST GOES-8 SATELLITE IMAGERY ENDING AT 0045 UTC. . TRAJECTORY: ASH TO FL400 WOULD MOVE TOWARDS THE WEST-SOUTHWEST AT 15 TO 20 KTS WHILE ASH FROM FL400 TO FL500 WOULD MOVE TOWARD THE EAST AT 20 TO 25 KTS. . AB . 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 www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEST MESSAGE WILL BE ISSUED AT 08/0730 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN