FVXX20 KWBC 111410 VOLCANIC ASH ADVISORY ISSUED: 2001DEC11/1410Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2001/106 . INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. CENAPRED VOLCANO CAMERA. 12Z MEXICO CITY UPPER AIR WINDS REPORT. . ERUPTION DETAILS: ASH OBSERVED OVER THE VOLCANO AT 11/0158Z. . DETAILS OF ASH CLOUD: IN ALMOST CLEAR SATELLITE IMAGERY THROUGH 11/1332Z NO ASH HAS BEEN DETECTED FOR OVER 6 HOURS. HOWEVER A VERY BRIGHT HOTSPOT CONTINUES TO BE OBSERVED IN THE SHORTWAVE IMAGERY. THERE HAS ALSO BEEN NO STRONG ASH CLOUD OBSERVED FROM THE VOLCANO CAMERA BUT THERE IS A FAINT RELEASE OF GASSES AND MAYBE SOME VERY LIGHT ASH NEAR THE SUMMIT. . TRAJECTORY: ANY REMAINING LIGHT ASH FROM THE SUMMIT TO FL210 WILL MOVE TO THE NORTHEAST AROUND 25 KNOTS. . OUTLOOK: SEE SIGMETS. . NEXT ADVISORY: MP FURTHER ADVISORIES. . . NNNN