FVXX20 KWBC 281302 VOLCANIC ASH ADVISORY ISSUED 1302 UTC 28 OCT 2000 BY THE WASHINGTON VAAC . . POPOCATEPETL 00-094 MEXICO 1901N 9837W . BACKGROUND: POPOCATEPETL MEXICO (1401-09) SUMMIT HEIGHT 17930 FT (5465 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED. MEXICO CITY METEOROLOGICAL WATCH OFFICE. POPO CAM FROM CENAPRED. 6 HOUR MODEL WIND FORECAST FROM THE 06 UTC AVIATION MODEL. . ERUPTION DETAILS: MEXICO CITY REPORTS AN EXHALATION AT 1215 UTC WITH MAINLY STEAM AND GAS BUT SOME ASH AS WELL. . DETAILS OF ASH CLOUD: POPO CAM SHOWS A WELL DEFINED PLUME IN CLEAR SKIES. THE EXHALATION HAS LASTED FOR AT LEAST 20 MINUTES AND REACHED AN ESTIMATED HEIGHT TO FL270. THE FIRST GOES-8 VISIBLE IMAGERY AT 1245 UTC SHOWS A SMALL PLUME EXTENDING TO THE NORTH OF THE SUMMIT. . TRAJECTORY: ASH AT FL270 WILL MOVE TO THE NORTH AT ABOUT 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 28/1900. . 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. . RUMINSKI . NNNN