FVXX20 KWBC 190800 VOLCANIC ASH ADVISORY ISSUED 0800 UTC 19 OCT 2000 BY THE WASHINGTON VAAC . POPOCATEPETL 00-090 MEXICO 1901N 9837W . BACKGROUND: POPOCATEPETL MEXICO (1401-09) SUMMIT HEIGHT 17930 FT (5465 M) . SOURCES OF INFORMATION: GOES-8 INFRARED IMAGERY AND MULTISPECTRAL IMAGERY. SIX HOUR WIND FORECAST FROM THE 19/0000 UTC AVIATION MODEL. MEXICO CITY UPPER AIR SOUNDING. . ERUPTION DETAILS: ERUPTION AROUND 18/1937 UTC. . DETAILS OF ASH CLOUD: ASH IS NOT SEEN ON THE SATELLITE IMAGERY THROUGH 19/0730 UTC. A HOT SPOT IS OCCASIONALLY VISIBLE IN SHORTWAVE IMAGERY INDICATING THE POSSIBLE PRESENCE OF NEAR SUMMIT ASH. . TRAJECTORY: ASH AT FL210 WILL MOVE TOWARDS THE SOUTH SOUTHWEST AT 5-10 KNOTS. . OUTLOOK: SEE SIGMETS. . THIS IS THE LAST MESSAGE ON THIS EVENT. . 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. . NNNN