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.

NNNN
"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"