FVXX23 KNES 121930
VOLCANIC ASH ADVISORY
ISSUED: 20070312/1930Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/077

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

ERUPTION DETAILS: ONGOING EMISSIONS.

OBS ASH DATE/TIME: 12/1845Z

OBS ASH CLOUD: SFC/FL250 S0123 W07852 - S0128
W07828 - S0129 W07828 - S0134 W07850 - S0123
W07852 MOVING W 10-15 KNOTS. 

FCST ASH CLOUD +6H: 13/0100Z SFC/FL250 S0119
W07854 - S0128 W07828 - S0133 W07850 - S0119
W07854 

FCST ASH CLOUD +12H: 13/0700Z ASH NOT
IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL250
MOVING TO W 10-15 KNOTS.

FCST ASH CLOUD +18H: 13/1300Z ASH NOT
IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL250
MOVING TO W 10 KNOTS.

REMARKS: A WEAK HOTSPOT WAS OBSERVED AT THE
SUMMIT ON THE 1845Z MULTISPECTRAL IMAGERY. 
CURRENT VISIBLE IMAGERY SHOWS AN ILL-DEFINED AREA
OF ASH EXTENDING ABOUT 15-20 NMI TO THE WEST OF
THE VOLCANO.  THIS PLUME MAY NOT BE SEEN AFTER
DARK DUE TO CLOUDS IN THE REGION AND BECAUSE IT
IS NOT SEEN ON THE MULTISPECTRAL IMAGERY. ...BANKS

NEXT ADVISORY: WILL BE ISSUED BY 20070313/0130Z

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