FVXX20 KWBC 252255 VOLCANIC ASH ADVISORY ISSUED: 2001MAY25/2255Z VAAC: WASHINGTON . VOLCANO: GUAGUA PICHINCHA 1502-02 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 15695 FT (4784 M) . ADVISORY NUMBER: 2001/06 . INFORMATION SOURCE: GEOPHYSICAL INSTITUTE...GOES 8 VISIBLE ...INFRARED AND MULTISPECTRAL IMAGERY. . ERUPTION DETAILS: ASH AND STEAM EMISSION AT 25/1610Z. . DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTS THAT NO ACTIVITY HAS OCCURRED AT THE VOLCANO SINCE THE ASH AND STEAM EMISSION AT 1610Z. SATELLITE IMAGERY THROUGH 2215Z SHOWS NO ASH BUT EXTENSIVE CLOUDS OVER THE AREA ARE OBSCURING THE VIEW OF THE SUMMIT. . TRAJECTORY: N/A. . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE LAST ADVISORY ISSUED FOR 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. . CLARK . NNNN