FVXX21 KNES 212332 VOLCANIC ASH ADVISORY ISSUED: 2006MAR21/2331Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/139 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING ASH EMISSIONS OBS ASH DATE/TIME: 21/2315Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL200 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: 22/0530Z FCST ASH CLOUD +12H: 22/1130Z FCST ASH CLOUD +18H: 22/1730Z REMARKS: CLOUDS CONTINUE TO OBSCURE THE VOLCANO IN SATELLITE IMAGERY. THE GEOPHYSICAL INSTITUTE REPORTED OBSERVING ASH AT 21/2050Z. ...MERCKLE NEXT ADVISORY: WILL BE ISSUED BY 2006MAR22/0530Z NNNN