FVXX20 KWBC 231807 VOLCANIC ASH ADVISORY ISSUED: 2004MAY23/1807Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/215 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH EMISSION AT 23/1327Z OBS ASH DATE/TIME: 23/1745Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL240 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: THE LATEST OBSERVATION OF ASH BY THE INSTITUTE WAS AT 1327Z TO FL240. BASED ON MODEL WINDS ANY ASH TO FL240 SHOULD MOVE TOWARDS THE WEST AT 10-15 KTS. ...KARST NEXT ADVISORY: WILL BE ISSUED BY 2004MAY24/0000Z NNNN