FVXX20 KWBC 022045 VOLCANIC ASH ADVISORY ISSUED: 2001FEB02/2045Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2001/34 . INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. MEXICO CITY UPPER AIR OBSERVATION. . ERUPTION DETAILS: SMALL ERUPTION AT AROUND 1945Z. . DETAILS OF ASH CLOUD: A NARROW PLUME OF ASH IS VISIBLE ON LATEST GOES-8 SATELLITE IMAGERY. AT 2015Z THE PLUME EXTENDS TO THE POINT 1916N 9834W OR 16 NMI TO THE NORTH-NORTHEAST OF THE SUMMIT. THE PLUME IS UP TO 5 NMI WIDE. MOVEMENT IS NORTH- NORTHEAST AT 20 KNOTS AND IS ESTIMATED AT FL220. TRAJECTORY: ASH TO FL220 WOULD MOVE NORTH-NORTHEAST AT 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 03/0300Z. . 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