FVXX20 KWBC 011100 VOLCANIC ASH ADVISORY ISSUED: 2002MAY01/1100Z VAAC: WASHINGTON. . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N09837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2002/23 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. MEXICO CITY MWO SIGMET. CENAPRED. . ERUPTION DETAILS: EXHALATION 01/1018Z . OBS ASH DATE/TIME: NIL . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL210 MOVING W 10-15 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH CURRENTLY NOT IDENTIFIABLE IN INFRARED OR VISIBLE IMAGERY THROUGH 1032Z. MEXICO CITY MWO REPORTS INFORMATION RECEIVED FROM CENAPRED OF ASH AND STEAM EMISSIONS MOVING WESTWARD AND EXTENDING UPWARD TO 1000 METERS ABOVE THE SUMMIT....KARST/KIBLER NEXT ADVISORY: WILL BE ISSUED BY 2002MAY01/1700Z. . NNNN