FVXX20 KWBC 122225 VOLCANIC ASH ADVISORY ISSUED: 2000DEC12/2225Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17390 FT (5465 M) . ADVISORY NUMBER: 2000/162 INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. MEXICO CITY MWO. CENAPRED . ERUPTION DETAILS: ERUPTION BEGINNING AT 12/2207Z. . DETAILS OF ASH CLOUD: THE MEXICO CITY MWO AND CENAPRED INDICATE THAT POPOCATEPETL HAS BEGUN A STEADY AND POSSIBLY SIGNIFICANT ERUPTION. SATELLITE IMAGERY THROUGH 2215Z CONFIRMS THAT AN ASH CLOUD NOW EXISTS. INITIAL REPORTS INDICATE THE ASH HAS REACHED FL230. HOWEVER IT MAY RISE HIGHER THAN THIS. . TRAJECTORY: NORTHEAST AT 15 TO 20 KNOTS. OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT MESSAGE WILL BE ISSUED WITHIN AN HOUR. . 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. . ORRISON/HUGHES . NNNN