FVXX21 KWBC 240100 VOLCANIC ASH ADVISORY . ISSUED: 2001DEC24/0100Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2001/125 INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...MEXICO CITY METEOROLOGICAL WATCH OFFICE. . ERUPTION DETAILS: ERUPTION AT 23/2353Z. . DETAILS OF ASH CLOUD: THE MEXICO METEOROLOGICAL WATCH OFFICE REPORTED AN ERUPTION OF POPOCATEPETL VOLCANO AT 23/2353Z WITH ASH BETWEEN FL180 AND FL200. SATELLITE IMAGERY THROUGH 0015Z SHOWED EXTENSIVE CLOUD COVER IN THE VICINITY OF THE SUMMIT PRECLUDING THE DETECTION OF ANY ASH. . TRAJECTORY: MEXICO CITY MWO INDICATED THAT THE ASH WAS MOVING LITTLE AND EXPECTED TO REMAIN WITHIN 40 NM OF THE SUMMIT IN ALL DIRECTIONS WHILE DISSIPATING. . OUTLOOK: SEE SIGMETS. . NEXT ADVISORY: WILL BE ISSUED BY 2001DEC24/0700Z. . TURK . NNNN