FVXX20 KWBC 072100 VOLCANIC ASH ADVISORY ISSUED 2100 UTC 07 JUL 2000 BY THE WASHINGTON VAAC . POPOCATEPETL 00-043 MEXICO 1901N 9837W . BACKGROUND: POPOCATEPETL MEXICO (1401-09) SUMMIT HEIGHT 17930 FT (5465 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE... INFRARED AND MULTISPECTRAL IMAGERY... MEXICO CITY METEOROLOGICAL WATCH OFFICE... POPO CAM...AVIATION MODEL WINDS . ERUPTION DETAILS: EMISSIONS OF STEAM AND ASH AT 07/1351 UTC. . DETAILS OF ASH CLOUD: THE MEXICO CITY MWO REPORTED AN EMISSION OF ASH UP TO FL220 MOVING TOWARD THE NORTHWEST. SATELLITE IMAGERY THROUGH 2015 UTC SHOWS NO DISCERNABLE ASH PLUME DUE TO CLOUDS IN THE VICINITY OF THE VOLCANO. . TRAJECTORY: ASY ASH FROM THE SUMMIT TO FL220 WILL MOVE TOWARDS THE NORTHWEST AT 15KTS. . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE LAST MESSAGE FOR THIS EVENT. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER 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