FVXX21 KWBC 311500 VOLCANIC ASH ADVISORY ISSUED: 2001MAR31/1500Z VAAC: WASHINGTON . . VOLCANO: GUAGUA PICHINCHA 1502-02 LOCATION: 0011S 7836W AREA: ECUADOR . SUMMIT ELEVATION: 15695 FT (4784 M) . ADVISORY NUMBER: 2001/4 INFORMATION SOURCE: GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE . ERUPTION DETAILS: VOLCANIC ASH REPORTED OVER VOLCANO 31/0637Z. . DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 1415Z SHOWS EXTENSIVE CLOUDS OVER THE VOLCANO. THERE HAVE BEEN NO FURTHER REPORTS OF ASH OVER THE VOLCANO SINCE THE 31/0637Z OBSERVATION. WE WILL CONTINUE TO MONITOR THE VOLCANO FOR FURTHER ACTIVITY AND WE WILL SEND ANOTHER MESSAGE AS NECESSARY. . TRAJECTORY:N/A . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE LAST ADVISORY 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. . NNNN