FVXX21 KWBC 070335 VOLCANIC ASH ADVISORY ISSUED 0335 UTC 07 NOV 2000 BY THE WASHINGTON VAAC . POPOCATEPETL 00-103 MEXICO 1901N 9837W . BACKGROUND: POPOCATEPETL MEXICO (1401-09) SUMMIT HEIGHT 17930 FT (5465 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. MEXICO CITY MWO. . ERUPTION DETAILS: ERUPTION AROUND 0248 UTC . DETAILS OF ASH CLOUD: MEXICO CITY REPORTED AN EXHALATION OCCURRED AROUND 0248 UTC WITH ASH BETWEEN FL250 AND FL280. GOES SATELLITE IMAGERY THROUGH 0315 UTC SHOWED DENSE MIDDLE AND HIGH LEVEL CLOUDS OVER THE AREA MAKING THE DETECTION OF ASH DIFFICULT. . TRAJECTORY: ASH BETWEEN FL250 AND FL280 WOULD MOVE TOWARD THE NORTHEAST AT 25 TO 30 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED AT 0930 UTC OR BEFORE IF ASH IS DETECTED IN THE IMAGERY. . 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. . BROWN . NNNN