FVXX20 KWBC 122312 VOLCANIC ASH ADVISORY ISSUED: 2001JUN12/2310Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2001/72 . INFORMATION SOURCE: .. MEXICO CITY UPPER AIR OBSERVATION MEXICO CITY METEOROLOGICAL WATCH OFFICE ERUPTION DETAILS: EMISSION OF ASH REPORTED BY THE MEXICO CITY MWO AT 12/2248Z. . DETAILS OF ASH CLOUD: THE MEXICO CITY MWO REPORTED AN EMISSION OF ASH AT 12/2248 FOR 30 SECONDS WITH NO HEIGHT ASSIGNMENT DUE TO DENSE CLOUDS. THERE IS NO SATELLITE IMAGERY AVAILABLE YET. TRAJECTORY: UPPER AIR OBSERVATIONS FROM MEXICO CITY INDICATE ASH FROM THE SUMMIT TO FL250 WILL MOVE SOUTHEAST AT 5-10 KNOTS. . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE ONLY STATEMENT ON THIS EVENT UNLESS ADDITIONAL INFORMATION IS RECEIVED. . 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