FVXX20 KWBC 171320 VOLCANIC ASH ADVISORY ISSUED: 2000DEC17/1320Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2000/187 INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. MEXICO CITY UPPER AIR SOUNDINGS. MEXICO CITY MWO. CENAPRED CAMERA. ERUPTION DETAILS: ERUPTION ABOUT 17/1250Z . DETAILS OF ASH CLOUD: AN ERUPTION OF THE VOLCANO WAS NOTED IN THE CENAPRED CAMERA. ACCORDING TO THE MEXICO CITY MWO THE PLUME HAS REACHED FL300. SATELLITE IMAGERY ONLY AVAILABLE THROUGH 17/1245Z. . TRAJECTORY: ASH FROM THE SUMMIT TO FL220 WOULD MOVE SOUTH TO SOUTHWEST AT 10 TO 15 KNOTS. BETWEEN FL220 AND FL240 ASH WOULD BE INFLUENCED BY LIGHT WESTERLY WINDS. FROM FL240 UP TO FL300 ASH WOULD MOVE EASTERLY AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED WHEN VISIBLE IMAGERY BECOMES AVAILABLE. . 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