FVXX20 KNES 181331
VOLCANIC ASH ADVISORY
ISSUED: 20070418/1331Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/228

INFORMATION SOURCE: GOES-12. GFS WINDS. 

ERUPTION DETAILS: ONGOING STEAM/ASH EMISSIONS

OBS ASH DATE/TIME: 18/1315Z

OBS ASH CLOUD: SFC/FL180 5NM WIDE LINE BETWEEN
S0126 W07844 - S0128 W07826. ASH IS MOVING W 5-10
KNOTS. 

FCST ASH CLOUD +6H: 18/1930Z SFC/FL180 10NM WIDE
LINE BETWEEN S0126 W07901 - S0128 W07826. 

FCST ASH CLOUD +12H: 19/0130Z SFC/FL180 10NM WIDE
LINE BETWEEN S0126 W07901 - S0129 W07826. 

FCST ASH CLOUD +18H: 19/0730Z SFC/FL180 10NM WIDE
LINE BETWEEN S0126 W07901 - S0129 W07826. 

REMARKS: SIMILAR TO REVENTADOR...A VERY THIN
PLUME OF STEAM AND ASH COULD BE SEEN MOVING
NEARLY DUE WEST.  IT IS CLEAR THAT THE HEIGHT IS
NOT VERY MUCH OVER THE SUMMIT AS WELL WHICH
MATCHES GFS AND OTHER WIND INFOMATION IN THE
AREA....SO THE HEIGHT IS LOWERED TO FL180. 
...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 20070418/1930Z

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