FVXX20 KWBC 190926 VOLCANIC ASH ADVISORY ISSUED: 2004JUL19/0925Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W7826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/388 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH OBSERVED 18/1900Z OBS ASH DATE/TIME: 19/0845Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/220 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: WE CONTINUE TO BE UNABLE TO DETECT ASH OR HOTSPOTS IN SATELLITE IMAGERY THROUGH 0845Z. IT IS POSSIBLE THAT LOW LEVEL WEATHER CLOUDS MIGHT BE HINDERING DETECTION. THE MOST RECENT KNOWN ASH OBSERVATION WAS AT 18/1900Z WHEN THE GEOPHYSICAL INSTITUTE OBSERVED ASH FL165/200. ... NEXT ADVISORY: WILL BE ISSUED BY 2004JUL19/1530Z NNNN