FVXX23 KNES 041021 VOLCANIC ASH ADVISORY ISSUED: 20070304/1021Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/041 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: OCCASIONAL ASH AND GAS EMISSIONS OBS ASH DATE/TIME: 04/0945Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL170 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: 04/1600Z FCST ASH CLOUD +12H: 04/2200Z FCST ASH CLOUD +18H: 05/0400Z REMARKS: NO HOTSPOT OR ASH IS OBSERVED IN SATELLITE IMAGERY...ALTHOUGH CLOUDS OBSCURE THE REGION. THE LAST OBSERVATION OF ASH WAS AT 03/1650Z BY THE GEOPHYSICAL INSTITUTE. ...RUMINSKI/ZHONG NEXT ADVISORY: WILL BE ISSUED BY 20070304/1615Z