FVXX20 KNES 201201 VOLCANIC ASH ADVISORY ISSUED: 2004DEC20/1201Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/573 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS MODEL WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ASH OBSERVED BY AIRCRAFT OBS ASH DATE/TIME: 20/1115Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/200 MOVING TO W 5-10 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: AIRCRAFT OBSERVATION OF ASH OVER THE VOLCANO TO FL170. ASH IS NOT OBSERVED IN SATELLITE IMAGERY. ACCORDING TO UPPER AIR WINDS ASH SHOULD MOVE TOWARDS THE W AT 5-10KTS ...KARST NEXT ADVISORY: WILL BE ISSUED BY 2004DEC20/1800Z NNNN