FVXX23 KNES 282225
VOLCANIC ASH ADVISORY
ISSUED: 20070228/2225Z VAAC: WASHINGTON
VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128 W07826 AREA: ECUADOR
SUMMIT ELEVATION: 16480 FT (5023 M)
ADVISORY NUMBER: 2007/026
INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS
WINDS.
ERUPTION DETAILS: LIGHT ASH EMISSIONS.
OBS ASH DATE/TIME: 28/2145Z
OBS ASH CLOUD: SFC/FL165 6NM WIDE LINE BETWEEN
S0117 W07839 - S0128 W07827. ASH IS MOVING NW
10-15 KNOTS.
FCST ASH CLOUD +6H: 01/0400Z SFC/FL165 6NM WIDE
LINE BETWEEN S0123 W07844 - S0128 W07827.
FCST ASH CLOUD +12H: 01/1000Z SFC/FL165 6NM WIDE
LINE BETWEEN S0125 W07844 - S0127 W07828.
FCST ASH CLOUD +18H: 01/1600Z SFC/FL165 6NM WIDE
LINE BETWEEN S0125 W07845 - S0128 W07828.
REMARKS: CLOUDS ARE COVERING THE REGION AROUND
THE VOLCANO AND IS MAKING ASH PLUME DETECTION
DIFFICULT IN THE VISIBLE IMAGERY. HOWEVER,
MULTISPECTRAL IMAGERY SHOWS AN INDEFINITE 6 NMI
WIDE PLUME EXTENDING ABOUT 11 NMI TO THE
NORTHWEST. A HOTSPOT CAN BE OBSERVED IN THE
2145Z IMAGERY. MODEL WINDS SUGGEST SOME SHIFT TO
THE WEST DURING THE NEXT 6-12 HOURS. ...BALDWIN
NEXT ADVISORY: WILL BE ISSUED BY 20070301/0430Z
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