FVXX20 KNES 130401 VOLCANIC ASH ADVISORY ISSUED: 2004NOV13/0359Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/537 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS MODEL WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ASH OBSERVED 13/0315Z OBS ASH DATE/TIME: 13/0315Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL210 MOVING TO NW 5-10 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: THE GEOPHYSICAL INSTITUTE HAS OBSERVED ASH AT 13/0315Z TO FL210. ASH IS NOT SEEN IN THE CURRENT SATELLITE IMAGERY HOWEVER A FAINT HOTSPOT HAS BEEN OBSERVED OVER THE SUMMIT. WINDS ARE LIGHT AND VARIABLE IN THE REGION THUS MAKING THE EXACT DIRECTION OF ASH DRIFT DIFFICULT. WALTER ... NEXT ADVISORY: WILL BE ISSUED BY 2004NOV13/1000Z NNNN