FVXX21 KWBC 231300 VOLCANIC ASH ADVISORY ISSUED: 2002JAN23/1300Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2002/006 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. MEXICO CITY METEOROLOGICAL WATCH OFFICE. AVIATION MODEL WIND FORECAST. . ERUPTION DETAILS: EXHALATION AT 23/1228Z . OBS ASH DATE/TIME: 23/1215Z . OBS ASH CLOUD: SFC/FL250 MOVING NE 20 KNOTS ASH NOT IDENTIFIABLE FROM SATELLITE DATA . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE MEXICO CITY METEOROLOGICAL WATCH OFFICE REPORTS AND EXHALATION OF THE VOLCANO. THE LATEST SATELLITE IMAGE IS FROM BEFORE THE REPORTED ERUPTION TIME THUS ASH IS NOT SEEN IN THE IMAGERY. IF ASH IS DETECTED IN THE NEXT SATELLITE IMAGE THEN AN UPDATED VAA WILL BE SENT AS SOON AS POSSIBLE...WALTER/KARST . NEXT ADVISORY: WILL BE ISSUED BY 2002JAN23/1900Z . NNNN