FVXX20 KNES 281830
VOLCANIC ASH ADVISORY
ISSUED: 20070728/1830Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/459

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

ERUPTION DETAILS: ONGOING EMISSION OF GASES AND
ASH

OBS ASH DATE/TIME: 28/1745Z

OBS ASH CLOUD: SFC/FL280 S0115 W07936 - S0128
W07825 - S0143 W07834 - S0149 W07929 - S0115
W07936 MOVING W -SW 10-20 KNOTS. 

FCST ASH CLOUD +6H: 29/0000Z SFC/FL280 S0113
W07946 - S0128 W07825 - S0148 W07837 - S0155
W07940 - S0113 W07946 

FCST ASH CLOUD +12H: 29/0600Z SFC/FL280 S0114
W07946 - S0128 W07825 - S0149 W07836 - S0155
W07940 - S0114 W07946 

FCST ASH CLOUD +18H: 29/1200Z SFC/FL280 S0114
W07946 - S0128 W07825 - S0149 W07836 - S0155
W07940 - S0114 W07946 

REMARKS: THERE CONTINUES TO BE A SERIES OF PUFFS
FROM THE VOLCANO THAT ARE FANNING OUT TO THE WEST
AND SOUTHWEST AND DISSIPATING.  THE HEIGHT OF THE
EMISSIONS ALSO VARY BASED ON THE ENERGY OF THE
ERUPTION AS SEEN FROM PIREPS AND THE OBSERVATORY
FROM FL220 TO FL300. ...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 20070729/0030Z

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