FVXX20 KWBC 161455 VOLCANIC ASH ADVISORY ISSUED: 2000DEC16/1455Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2000/183 INFORMATION SOURCE: GOES-8 VISIBLE .. INFRARED AND MULTISPECTRAL IMAGERY. MEXICO CITY UPPER AIR SOUNDINGS. MEXICO CITY MWO. CENAPRED CAMERA . ERUPTION DETAILS: INTERMITTENT VENTING OF STEAM AND ASH . DETAILS OF ASH CLOUD: GOES8 IMAGERY THROUGH 1415Z SHOWS NO DISCERNABLE ASH PLUME. MULTISPECTRAL IMAGERY DOES INDICATE A FAINT HOT SPOT. IMAGERY FROM THE CENAPRED CAMERA SHOWS OCCASIONAL STEAM EMISSIONS FROM THE VOLCANO. . THE BROAD AREA OF DISPERSING ASH FROM PREVIOUS ERUPTIONS IS NOT CURRENTLY VISIBLE IN IMAGERY. . TRAJECTORY: ASH FROM THE SUMMIT TO FL240 WOULD MOVE TOWARD THE SOUTH AT UP TO 15 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT MESSAGE WILL BE ISSUED BY 16/2100Z. . 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