FVXX22 KWBC 130420 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0420 UTC 13 JAN 2000 BY THE WASHINGTON VAAC . POPOCATEPETL 00-001 MEXICO 1901N 9837W . BACKGROUND: POPOCATEPETL MEXICO (1401-04) SUMMIT HEIGHT 17930 FT (5465 M) . SOURCES OF INFORMATION: GOES 8 INFRARED AND MULTISPECTRAL IMAGERY... . ERUPTION DETAILS: ERUPTION TIME APPROXIMATELY AT 13/0330 UTC. . DETAILS OF ASH CLOUD: GOES-8 SATELLITE IMAGERY THROUGH 13/0410 UTC INDICATES THAT A RATHER MAJOR VOLCANIC ERUPTION HAS OCCURRED IN THE LAST HOUR AT POPOCATEPETL. INFRARED AND MULTISPECTRAL IMAGERY STRONGLY SUGGEST AN EXPLOSION WITH A STRONG RELEASE OF ASH. ASH IS SEEN MOVING TO THE NORTH AND NORTHEAST. THE HEIGHT OF THE ASH IS CURRENTLY UNKNOWN BUT SATELLITE IMAGERY WOULD IMPLY AT LEAST FL300. . THERE HAVE BEEN NO OTHER REPORTS OF ASH OR ERUPTIONS TO THIS POINT. AS MORE INFORMATION IS GATHERED THE DETAILS WILL BE MADE CLEARER. TRAJECTORY: NORTH TO NORTHEAST AT 10 TO 20 KNOTS. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . OUTLOOK: SEE LATEST SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED AS SOON AS MORE INFORMATION IS AVAILABLE. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . ORRISON . NNNN