FVXX21 KNES 251312 VOLCANIC ASH ADVISORY ISSUED: 2005NOV25/1311Z VAAC: WASHINGTON VOLCANO: REVENTADOR 1502-01 LOCATION: S0004 W07739 AREA: ECUADOR SUMMIT ELEVATION: 11686 FT (3562 M) ADVISORY NUMBER: 2005/288 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GEOPHYSICAL INST. ERUPTION DETAILS: ERUPTION AT 25/1153Z. OBS ASH DATE/TIME: 25/1215Z OBS ASH CLOUD: SFC/FL200 N0001 W07729 - S0013 W07723 - S0016 W07732 - S0005 W07738 - N0001 W07729 MOVING E -SE 20 KNOTS. FCST ASH CLOUD +6H: 25/1830Z SFC/FL200 N0017 W07608 - S0048 W07543 - S0154 W07637 - S0006 W07738 - N0017 W07608 FCST ASH CLOUD +12H: 26/0030Z SFC/FL200 NO VA EXP. FCST ASH CLOUD +18H: 26/0630Z NO VA EXP. REMARKS: THE GEOPHYSICAL INSTITUE REPORTED AN ERUPTION AT 1153Z. THE PLUME WAS DETECTED IN IMAGERY AT 1215Z MOVING EAST AND EXTENDED ROUGHLY 10 NM SOUTHEAST AND EAST FROM THE SUMMIT. A HOTSPOT WAS ALSO DETECTED. ...SWANSON NEXT ADVISORY: WILL BE ISSUED BY 2005NOV25/1915Z NNNN