FVXX21 KWBC 310855 VOLCANIC ASH ADVISORY ISSUED: 2001MAR31/0855Z VAAC: WASHINGTON . VOLCANO: GUAGUA PICHINCHA 1502-02 LOCATION: 0011S 7836W AREA: ECUADOR . SUMMIT ELEVATION: 15695 FT (4784 M) . ADVISORY NUMBER: 2001/3 INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE . ERUPTION DETAILS: VOLCANIC ASH REPORTED OVER VOLCANO 0637Z. . DETAILS OF ASH CLOUD: ASH WAS REPORTED OVER THE VOLCANO BY THE GEOPHYSICAL INSTITUTE. NO ASH CAN BE SEEN ON SATELLITE IMAGERY THROUGH 0815Z. HOWEVER CLOUDS ARE SCATTERED OVER THE AREA. . TRAJECTORY: ANY ASH FROM THE SUMMIT UP TO FL200 WOULD MOVE WESTWARD AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 31/1500Z . 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