GUAGUA PICHINCHA 99-149 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...GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...
U.S. NUMERICAL MODEL WIND FORECAST.

ERUPTION DETAILS: EXPLOSION AT 11/0734 UTC.

DETAILS OF ASH CLOUD: A SURFACE OBSERVATION FROM QUITO INDICATED
THAT THE GEOPHYSICAL INSTITUTE NOTED ANOTHER EXPLOSION OF GUAGUA
PICHINCHA AT 0734 UTC. SATELLITE IMAGERY CONFIRMED THAT A SMALL ASH
CLOUD WAS PRODUCED AND WAS QUICKLY DISSIPATING WHILE MOVING TOWARDS
THE WEST. THE ASH CLOUD COVERED A 10 KM (5 NMI) RADIUS AROUND
0.2S/79.1W AT 0915 UTC AND WAS ESTIMATED AT FL250.
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SOUFRIERE HILLS 99-270 WEST INDIES 16.7N 62.2W

BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05)
SUMMIT HEIGHT 3000 FT (915M)

SOURCES OF INFORMATION: GOES-8 VISIBLE AND MULTISPECTRAL SATELLITE
IMAGERY...1200 UTC SOUNDING FROM GUADELOUPE.

ERUPTION DETAILS: ERUPTION AROUND 11/1100 UTC.

DETAILS OF ASH CLOUD: THE LATEST GOES-8 VISIBLE SATELLITE IMAGERY AT
1302 UTC SHOWS A PLUME OF THIN LOW LEVEL ASH EXTENDING FROM
SOUFRIERE HILLS SOUTHWESTWARD TO 16.39N 62.35W. THE PLUME IS 13KM
(7NMI) WIDE WITH ASH ESTIMATED BELOW FL050.