GUAGUA PICHINCHA 99-155 ECUADOR 0.17S 78.60W

BACKGROUND: GUAGUA PICHINCHA ECUADOR (1502-02)
SUMMIT HEIGHT 15695 FT (4784 M)

SOURCES OF INFORMATION: THE GEOPHYSICAL INSTITUTE IN ECUADOR...QUITO
SURFACE OBSERVATION... U.S. NUMERICAL MODEL WIND FORECAST.
ERUPTION DETAILS: EXPLOSION AT 17/1250 UTC.

DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE IN ECUADOR REPORTED
AN EXPLOSIVE ERUPTION WITH ASH ESTIMATED BETWEEN FL200 AND FL250.
THE COLUMN OF ASH IS MOSTLY VERTICAL BECAUSE OF LIGHT WINDS. NO
SATELLITE IMAGERY IS AVAILABLE AT THIS TIME BECAUSE OF RSO.