FVXX21 KWBC 071900 . VOLCANIC ASH ADVISORY STATEMENT - CORRECTION ISSUED 1900 UTC 07 JULY 1999 BY THE WASHINGTON VAAC . POPOCATEPETL 99-082 MEXICO 19.02N 98.62W . BACKGROUND: POPOCATEPETL MEXICO (1401-09) SUMMIT HEIGHT 17930 FT (5465 M) . SOURCES OF INFORMATION: MEXICO CITY MWO... GOES 8 VISIBLE INFRARED AND MULTI SPECTRAL IMAGERY..CENAPRED REMOTE CAMERA... 1200 UTC MEXICO CITY SOUNDING. . ERUPTION DETAILS: REPORTED ERUPTION 07/1210 UTC TO FL200. . DETAILS OF ASH CLOUD: NO PLUME IS VISIBLE ON GOES8 IMAGERY AT THIS TIME. . TRAJECTORY: THE 07/1200 UTC MEXICO CITY UPPER AIR SOUNDING SUGGESTS ANY ASH BETWEEN FL180 AND FL200 WOULD MOVE TOWARD THE WEST-NORTHWEST AT ABOUT 10 KNOTS. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . OUTLOOK: SEE LATEST SIGMETS. . THIS IS THE LAST MESSAGE FOR THIS EVENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN