FVXX23 KNES 110208
VOLCANIC ASH ADVISORY
ISSUED: 20070311/0207Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/070

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

ERUPTION DETAILS: INTERMITTENT GAS AND ASH
EMISSIONS

OBS ASH DATE/TIME: 11/0115Z

OBS ASH CLOUD: SFC/FL240 7NM WIDE LINE BETWEEN
S0128 W07845 - S0129 W07828. ASH IS MOVING W
15-20 KNOTS. 

FCST ASH CLOUD +6H: 11/0730Z SFC/FL240 10NM WIDE
LINE BETWEEN S0129 W07855 - S0128 W07829. 

FCST ASH CLOUD +12H: 11/1330Z SFC/FL240 10NM WIDE
LINE BETWEEN S0128 W07856 - S0129 W07829. 

FCST ASH CLOUD +18H: 11/1930Z SFC/FL240 10NM WIDE
LINE BETWEEN S0129 W07858 - S0129 W07829. 

REMARKS: THE GEOPHYSICAL INSTITUTE AND AIRCRAFT
REPORTED ASH EMISSIONS BETWEEN 2100-2300Z. A
HOTSPOT AND ASH PLUME IS OBSERVED IN
MULTISPECTRAL SATELLITE IMAGERY. THE PLUME IS 7
NMI WIDE AND EXTENDS ABOUT 16 NMI TO THE WEST OF
THE SUMMIT. IF CURRENT LEVELS OF ACTIVITY
CONTINUE IT IS EXPECTED THAT THE ASH WILL REMAIN
WITHIN ABOUT 50 NMI OF THE VOLCANO AND IN A
FAIRLY NARROW PLUME AS WINDS ARE EXPECTED TO
REMAIN BLOWING TO THE WEST.  ...RUMINSKI

NEXT ADVISORY: WILL BE ISSUED BY 20070311/0800Z

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