FVXX21 KNES 091310
VOLCANIC ASH ADVISORY
ISSUED: 20070209/1309Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 17159 FT (5230 M)

ADVISORY NUMBER: 2007/021

INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS
WINDS. PILOT REPORT. 

ERUPTION DETAILS: MINOR ASH EMISSIONS.

OBS ASH DATE/TIME: 09/1245Z

OBS ASH CLOUD: SFC/FL200 2NM WIDE LINE BETWEEN
S0154 W07825 - S0200 W07820. ASH IS MOVING NW 5
KNOTS. 

FCST ASH CLOUD +6H: 09/1900Z SFC/FL200 2NM WIDE
LINE BETWEEN S0152 W07828 - S0201 W07821. 

FCST ASH CLOUD +12H: 10/0100Z ASH NOT
IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL200
MOVING TO W 5-10 KNOTS.

FCST ASH CLOUD +18H: 10/0700Z ASH NOT
IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL200
MOVING TO W 5-10 KNOTS.

REMARKS: MORNING VISIBLE SATELLITE IMAGERY SHOWS
THIN ASH EMISSIONS EXTENDING ABOUT 25 NMI TO THE
NORTHWEST OF THE VOLCANO.  A PILOT REPORT AT
1234Z REPORTED THE HEIGHT TO FL200.  MODEL WINDS
AT THIS HEIGHT DO NOT MATCH OBSERVED MOVEMENT BUT
WINDS MAY SHIFT MORE TO THE WESTNORTHWEST OVER
THE NEXT 12 HOURS.  A HOTSPOT REMAINS AT THE
SUMMIT. ...BALDWIN

NEXT ADVISORY: WILL BE ISSUED BY 20070209/1915Z

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