FVXX22 KWBC 191615 VOLCANIC ASH ADVISORY ISSUED: 2001JUN19/1615Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2000/73 . INFORMATION SOURCE: MEXICO CITY METEOROLOGICAL WATCH OFFICE. GOES-8 VISIBLE..INFRARED AND MULTI SPECTRAL SATELLITE IMAGERY. 12 HOUR WIND FORECAST FROM THE 19/0600Z AVIATION MODEL. . ERUPTION DETAILS: AN AIRCRAFT REPORTED AT APPROXIMATELY 19/1530Z ASH NEAR THE SUMMIT BETWEEN FL150 AND FL200. . DETAILS OF ASH CLOUD: THE MWO REPORTS THAT ASH WAS OBSERVED NEAR THE SUMMIT BY AN AIRCRAFT AT APPROXIMATELY 1530Z. CURRENT SATELLITE IMAGERY THROUGH 19/1545Z SHOWS EXTENSIVE CLOUDS AROUND THE SUMMIT MAKING IT DIFFICULT TO DETECT ASH. . TRAJECTORY: WINDS ARE LIGHT AND VARIABLE FROM THE SUMMIT TO FL200. HOWEVER ANY ASH FROM THE SUMMIT TO FL200 WOULD DRIFT TO THE NORTH. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 19/2230Z. . 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