FVXX21 KNES 200855
VOLCANIC ASH ADVISORY
ISSUED: 20070820/0855Z   VAAC: WASHINGTON

VOLCANO: SANGAY 1502-09
LOCATION: S0201 W07820   AREA: ECUADOR

SUMMIT ELEVATION: 17159 FT (5230 M)

ADVISORY NUMBER: 2007/081

INFORMATION SOURCE: GOES-12. GFS WINDS.
INFRASOUND DETECTION. 

ERUPTION DETAILS: PILOT REPORT OF EMISSION AT
19/2032Z

OBS ASH DATE/TIME: 20/0815Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM
SATELLITE DATA. WINDS FL100/FL200 MOVING TO W -SW
15 KNOTS.

FCST ASH CLOUD +6H: 20/1430Z 

FCST ASH CLOUD +12H: 20/2030Z 

FCST ASH CLOUD +18H: 21/0230Z 

REMARKS: DUE TO CLOUDS NO VA OR HOTSPOT HAS BEEN
DETECTED.  THE INFRASOUND HAS ALSO DECREASED OVER
THE PAST 5 HOURS.  WILL WAIT FOR DAYLIGHT TO
PERHAPS END THIS.  ...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 20070820/1500Z