FVXX23 KNES 262208
VOLCANIC ASH ADVISORY
ISSUED: 20070326/2208Z VAAC: WASHINGTON
VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128 W07826 AREA: ECUADOR
SUMMIT ELEVATION: 16480 FT (5023 M)
ADVISORY NUMBER: 2007/138
INFORMATION SOURCE: GOES-12. GFS WINDS.
GEOPHYSICAL INST.
ERUPTION DETAILS: ONGOING ASH EMISSIONS.
OBS ASH DATE/TIME: 26/2145Z
OBS ASH CLOUD: SFC/FL220 4NM WIDE LINE BETWEEN
S0107 W07827 - S0126 W07827. ASH IS MOVING N 5-10
KNOTS.
FCST ASH CLOUD +6H: 27/0400Z NOT AVBL.
FCST ASH CLOUD +12H: 27/1000Z NOT AVBL.
FCST ASH CLOUD +18H: 27/1600Z NOT AVBL.
REMARKS: LATE DAY VISIBLE IMAGERY REVEALS
CLEARING SKIES AND A 4 NMI WIDE PLUME OF POSSILBE
ASH EXTENDING ABOUT 15-20 NMI TO THE NORTH OF THE
SUMMIT. MULTISPECTRAL IMAGERY DOES NOT SHOW A
HOTSPOT OR OBVIOUS ASH. THE INSTITUTE REPORTED
AN ASH CLOUD TO FL220 AT 1920Z. PLUME DIRECTION
DOES NOT MATCH MODEL WINDS FORECAST SO THERE IS A
DEGREE OF UNCERTAINTY IN ANY FORECAST. WILL
CONTINUE TO MONITOR. ...BALDWIN
NEXT ADVISORY: WILL BE ISSUED BY 20070327/0415Z
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