FVXX20 KNES 162147
VOLCANIC ASH ADVISORY
ISSUED: 20070716/2147Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/420

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

ERUPTION DETAILS: SMALL ASH PLUME OBSERVED AT
16/2049Z.

OBS ASH DATE/TIME: 16/2115Z

OBS ASH CLOUD: FL160/FL250 4NM WIDE LINE BETWEEN
S0123 W07837 - S0128 W07827. ASH IS MOVING W 15
KNOTS. 

FCST ASH CLOUD +6H: 17/0330Z ASH NOT IDENTIFIABLE
FROM SATELLITE DATA. WINDS FL160/FL250 MOVING TO
W 15-20 KNOTS.

FCST ASH CLOUD +12H: 17/0930Z NO ASH EXP.

FCST ASH CLOUD +18H: 17/1530Z NO ASH EXP.

REMARKS: THE INSTITUTE REPORTED AN ASH CLOUD TO
FL165 AT 16/2049Z AND A SUBSEQUENT PILOT REPORT
AT 2110Z OBSERVED ASH TO FL250 MOVING WEST. 
2115Z VISIBLE IMAGERY APPEARS TO SHOW AN 4 NMI
WIDE PLUME EXTENDING ABOUT 8 NMI TO THE
WESTNORTHWEST.  SEISMIC AND INFRASOUND RECORDERS
ASLO CONFIRM A BRIEF DISTURBANCE AT THE VOLCANO. 
MULTISPECTRAL IMAGERY DOES NOT SHOW A SIGNATURE
AND ANY ASH WILL PROBABLY BE NOT OBSERVABLE AFTER
DARK. ...BALDWIN

NEXT ADVISORY: WILL BE ISSUED BY 20070717/0345Z

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