FVXX21 KWBC 050200 VOLCANIC ASH ADVISORY ISSUED: 2001JAN05/0200Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2001/006 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. SIX HOUR WIND FORECAST FROM THE 04/1800Z AVIATION MODEL. . ERUPTION DETAILS: ERUPTION AT APPROXIMATELY 04/1900Z. . DETAILS OF ASH CLOUD: ASH IS NO LONGER SEEN IN THE SATELLITE IMAGERY THROUGH 05/0115Z. HOWEVER AT 05/0015Z VERY FAINT ASH WAS VISIBLE IN A LINE FROM 1920N 9654W TO 1814N 9800W. THIS FAINT ASH WAS MOVING TOWARDS THE EAST-SOUTHEAST. . TRAJECTORY: ASH TO FL240 WOULD MOVE TOWARDS THE EAST-SOUTHEAST AT 10 KTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT MESSAGE WILL BE ISSUED BY 05/0800Z. . 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. . WALTER . NNNN