FVXX21 KNES 251908
VOLCANIC ASH ADVISORY
ISSUED: 20070425/1908Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/253

INFORMATION SOURCE: GOES-12. GFS WINDS.
GEOPHYSICAL INST. PILOT REPORT. 

ERUPTION DETAILS: ONGOING EMISSIONS.

OBS ASH DATE/TIME: 25/1845Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM
SATELLITE DATA. WINDS SFC/FL260 MOVING TO W 15-20
KNOTS.

FCST ASH CLOUD +6H: 26/0100Z 

FCST ASH CLOUD +12H: 26/0700Z 

FCST ASH CLOUD +18H: 26/1300Z 

REMARKS: SINCE THE PREVIOUS ADVISORY, TWO REPORTS
OF ASH HAVE BEEN RECEIVED.  A PILOT AT 25/1355Z
REPORTED ASH TO FL260 AND THE INSTITUTE REPORTED
ASH TO FL200 AT 25/1410Z.  BOTH REPORTED ASH
MOVING TO THE WEST.  VISIBLE AND MULTISPECTRAL
IMAGERY HAS NOT SEEN EVIDENCE OF ANY ASH,
PARTIALLY DUE TO AN ABUNDANCE OF WEATHER CLOUDS
IN THE REGION.  MODEL WINDS SUGGEST THAT ANY ASH
SHOULD CONTINUE TO MOVE WESTSOUTHWEST THROUGH THE
NEXT 12-18 HOURS. ...BALDWIN

NEXT ADVISORY: WILL BE ISSUED BY 20070426/0115Z