FVXX20 KWBC 281920
VOLCANIC ASH ADVISORY
ISSUED: 2003JUN28/1930Z VAAC: WASHINGTON
VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128W07826 AREA: ECUADOR
SUMMIT ELEVATION: 16480 FT (5023 M)
ADVISORY NUMBER: 2003/128
INFORMATION SOURCE: GOES-12 IMAGERY. AVN MODEL WINDS FORECAST.
GUAYAQUIL MWO. GEOPHYSICAL INSTITUTE.
ERUPTION DETAILS: ASH OBSERVED AT 27/2012Z.
OBS ASH DATE/TIME: 28/1845Z.
OBS ASH CLOUD: SFC/FL290 13 NM WIDE LINE OF ASH EXTENDING BETWEEN
S0128W07826 S0127W07920. ASH IS MOVING W 15-20 KNOTS.
FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD.
REMARKS: OVER THE LAST 6 HOURS VARIOUS OBSERVATIONS FROM THE
GEOPHYSICAL INSTITUTE AND PILOT REPORTS HAVE INDICATED ASH TOPS
BETWEEN FL200/290 MOVING WEST. SATELLITE IMAGERY THROUGH 1845Z
SHOWED A PLUME EXTENDING APPROXIMATELY 54 NM TO THE WEST OF THE
SUMMIT. ASH MAY EXTEND FURTHER WEST WHERE CLOUD COVER MADE
DETECTION DIFFICULT. TURK
NEXT ADVISORY: WILL BE ISSUED BY 2003JUN29/0130Z.
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"Attached Graphic Map Depicting Ash Only"
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