FVXX23 KNES 050055
VOLCANIC ASH ADVISORY
ISSUED: 20070405/0055Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/177

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

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS.

OBS ASH DATE/TIME: 05/0015Z

OBS ASH CLOUD: FL160/FL270 7NM WIDE LINE BETWEEN
S0128 W07828 - S0137 W07932. ASH IS MOVING W
10-15 KNOTS. 

FCST ASH CLOUD +6H: 05/0630Z FL160/FL270 8NM WIDE
LINE BETWEEN S0128 W07829 - S0141 W07931. 

FCST ASH CLOUD +12H: 05/1230Z FL160/FL270 8NM
WIDE LINE BETWEEN S0132 W07932 - S0129 W07828. 

FCST ASH CLOUD +18H: 05/1830Z FL160/FL270 8NM
WIDE LINE BETWEEN S0126 W07933 - S0129 W07828. 

REMARKS: LATE DAY VISIBLE IMAGERY SHOWS A 7 NMI
WIDE ASH PLUME EXTENDING ABOUT 50-55 NMI TO THE
WESTWOUTHWEST OF THE VOLCANO.  MULTSIPECTRAL
IMAGERY CONFIRMS ASH IS PRESENT IN THE PLUME. 
RECENT OBSERVATIONS FROM THE INSTITUTE AND PILOTS
REPORT THE HEIGHT TO BETWEEN FL230 AND FL270. 
LITTLE DRIFT IS EXPECTED IN THE DIRECTION OF THE
ASH THROUGH THE NEXT 18 HOURS. ...BALDWIN

NEXT ADVISORY: WILL BE ISSUED BY 20070405/0700Z

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