FVXX20 KWBC 280100 VOLCANIC ASH ADVISORY ISSUED: 2001JAN28/0100Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2001/26 . INFORMATION SOURCE: GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY. MEXICO CITY METEOROLOGICAL WATCH OFFICE. . ERUPTION DETAILS: MINOR ERUPTION AT 27/1812Z . DETAILS OF ASH CLOUD: THE ASH THAT WAS OBSERVED IN SATELLITE IMAGERY FROM THE 1812Z ERUPTION MOVED TOWARDS THE NORTH NORTHEAST AT AN ESTIMATED HEIGHT OF FL210. THE LATEST IMAGERY AT 28/0015Z SHOWS THAT THE ASH CAN NO LONGER BE DETECTED. . TRAJECTORY: ANY ASH REMAINING FROM THE SUMMIT TO FL210 WILL MOVE TOWARDS THE NORTH NORTHEAST AT 30 KTS. . 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