FVXX20 KWBC 200705 VOLCANIC ASH ADVISORY ISSUED: 2001DEC20/0700Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2001/115 . INFORMATION SOURCE: MEXICO CITY MWO REPORT. GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. MEXICO CITY UPPER AIR SOUNDING. SIX HOUR WIND FORECAST FROM THE 19/1800Z AVIATION MODEL. . ERUPTION DETAILS: NEW EXHALATION AT 20/0127Z. . DETAILS OF ASH CLOUD: THE MEXICO CITY MWO RECEIVED A REPORT FROM CENAPRED THAT THE VOLCANO HAD AN OTHER EXHALATION AT 20/0127Z. THE ASH WAS REPORTED BETWEEN FL210 AND FL280 AND MOVING TO THE NORTHEAST AT 25 KNOTS. CURRENT SATELLITE IMAGERY THROUGH 20/0645Z NO LONGER SHOWS ANY ASH. . TRAJECTORY: ANY REMAINING ASH AT FL280 WILL MOVE TOWARDS THE NORTHEAST AT 25 TO 30 KNOTS. . OUTLOOK: SEE SIGMETS. . NEXT ADVISORY: NO FURTHER ADVISORIES. . . NNNN