FVXX21 KWBC 270450 CCA VOLCANIC ASH ADVISORY-CORRECTION ISSUED: 2002MAR27/0435Z VAAC: WASHINGTON . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N09837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2002/015 . INFORMATION SOURCE: GOES-8 IMAGERY. MEXICO CITY MWO SIGMET. . ERUPTION DETAILS: POSSIBLE EXHALATION AT 27/0332Z. . OBS ASH DATE/TIME: 27/0402Z. . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL210 MOV S 5-10 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: CORRECTED FOR TIME OF NEXT BULLETIN. THE MEXICO CITY MWO REPORTS A POSSIBLE EXHALATION OF POPOCATEPETL AT 0332Z BASED ON SEISMIC ACTIVITY. EXTENSIVE CLOUD COVER PRECLUDED THE DETECTION OF ASH IN SATELLITE IMAGERY THROUGH 0402Z....TURK. . NEXT ADVISORY: WILL BE ISSUED BY 2002MAR27/1030Z. . NNNN