FVXX20 KWBC 111730 VOLCANIC ASH ADVISORY ISSUED: 2001JUN11/1730Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2001/71 . INFORMATION SOURCE: GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY... MEXICO CITY UPPER AIR OBSERVATION MEXICO CITY METEOROLOGICAL WATCH OFFICE ERUPTION DETAILS: EMISSION OF ASH REPORTED BY THE MEXICO CITY AT 11/1700Z. . DETAILS OF ASH CLOUD: THE MEXICO CITY MWO REPORTED AN EMISSION OF ASH AT 11/1700Z TO FL250. THE ASH WAS REPORTED TO BE MOVING TO THE WEST AT 7 KTS. SATELLITE IMAGERY THROUGH 1702Z DOES NOT SHOW AN ASH PLUME AT THIS TIME. TRAJECTORY: ACCORDING TO THE UPPER AIR FORECASTS FROM MEXICO CITY ASH FROM THE SUMMIT TO FL250 WILL MOVE TO THE SOUTHWEST AT 10KTS. . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE ONLY STATEMENT ON THIS EVENT UNLESS ADDITIONAL INFORMATION IS RECEIVED. . 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. . KARST . NNNN