FVXX20 KNES 170750
VOLCANIC ASH ADVISORY
ISSUED: 20070417/0746Z   VAAC: WASHINGTON

VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128 W07826   AREA: ECUADOR

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/223

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

ERUPTION DETAILS: INTERMITTENT ASH EMISSIONS

OBS ASH DATE/TIME: 17/0645Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM
SATELLITE DATA. WINDS FL100/180 MOVING TO W
5-15 KNOTS. FL200/260 MOVING TO W 20-30 KNOTS.

FCST ASH CLOUD +6H: 17/1300Z 

FCST ASH CLOUD +12H: 17/1900Z 

FCST ASH CLOUD +18H: 18/0100Z 

REMARKS: BETWEEN ABOUT 16/2000Z AND 17/0000Z
THERE WERE SEVERAL OBSERVATIONS OF ASH BY GROUND
OBSERVERS AND A PILOT AND POSSIBLY ALSO IN 
MULTISPECTRAL SATELLITE IMAGERY.  THE ASH WAS TO
ABOUT FL260 AND MOVED WESTWARD.  SINCE THEN THERE
HAVE BEEN NO KNOWN ASH OBSERVATIONS AND CURRENTLY
THERE IS NO ASH OR HOTSPOTS IN SATELLITE IMAGERY.
  
NEXT ADVISORY: WILL BE ISSUED BY 20070417/1345Z