GUAGUA PICHINCHA 99-078 ECUADOR 0.17S 78.60W

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

SOURCES OF INFORMATION: GEOPHYSICAL INSTITUTE IN QUITO...INFRARED
AND MULTISPECTRAL GOES-8 SATELLITE IMAGERY...00 UTC AVIATION MODEL
WINDS...03 UTC SURFACE REPORT FROM QUITO/MARISCAL

ERUPTION DETAILS: REPORTED EXPLOSIVE ERUPTION AT 10/0025 UTC.

DETAILS OF ASH CLOUD: NO ASH IS VISIBLE IN SATELLITE IMAGERY THROUGH
10/0815 UTC. HOWEVER THERE ARE SOME LOW LEVEL METEOROLOGICAL CLOUDS
IN THE AREA WHICH MIGHT BE OBSCURING ASH. THE O3Z METAR FROM SEQU
WHICH IS QUITO/MARISCAL REPORTED VOLCANIC ASH OVER THE STATION.
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GUAGUA PICHINCHA 99-079 ECUADOR 0.17S 78.60W

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

SOURCES OF INFORMATION: GEOPHYSICAL INSTITUTE IN QUITO...VISIBLE
INFRARED AND MULTISPECTRAL GOES-8 SATELLITE IMAGERY...00 UTC UPPER
AIR DATA FROM GUAGUA PICHINCHA...13 UTC SURFACE REPORT FROM
QUITO/MARISCAL

ERUPTION DETAILS: REPORTED MINOR EXPLOSIVE ERUPTIONS AT 10/0643 AND
10/1151 UTC.

DETAILS OF ASH CLOUD: NO ASH IS VISIBLE IN SATELLITE IMAGERY THROUGH
10/1415 UTC. HOWEVER THERE ARE METEOROLOGICAL CLOUDS IN THE AREA
WHICH MIGHT BE OBSCURING ASH. THE 13Z METAR FROM QUITO/MARISCAL
REPORTED REPORTS EXPLOSIONS OF GAS AND VOLCANIC ASH MOVING NORTHEAST
OF THE STATION. THE GEOPHYSICAL INSTITUTE REPORTED ASH FALLS LIGHT
ASH IN NORTHERN QUITO. ASH IS REPORTED AT APPROXIMATELY FL250.
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TUNGURAHUA 99-100 ECUADOR 1.47S 78.44W

BACKGROUND: TUNGURAHUA ECUADOR (1502-08)
SUMMIT HEIGHT 16480 FT (5023 M)

SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL
IMAGERY...GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMETS...00 UTC
UPPER AIR WIND DATA FROM TUNGURAHUA ...REPORT OF THE INSTITUTO
GEOFISICO

ERUPTION DETAILS: INCREASING EMISSIONS STARTING AROUND 1100 UTC

DETAILS OF ASH: RECENT MULTISPECTRAL IMAGERY INDICATES AN INCREASED
ASH FLOW. AS OF 1145 UTC A NARROW PLUME OF ASH EXTENDS FROM THE
SUMMIT TO 15 NMI TO THE EAST NORTHEAST OF THE SUMMIT. MOVEMENT IS TO
THE EAST-NORTHEAST AT 10-15KT. UPPER AIR WIND DATA INDICATES HEIGHT
AT APPROXIMATELY FL300.
---------------
TUNGURAHUA 99-101 ECUADOR 1.47S 78.44W

BACKGROUND: TUNGURAHUA ECUADOR (1502-08)
SUMMIT HEIGHT 16480 FT (5023 M)

SOURCES OF INFORMATION: GOES-8 MULTISPECTRAL IMAGERY...GUAYAQUIL
METEOROLOGICAL WATCH OFFICE SIGMETS...12 UTC AVIATION MODEL UPPER
AIR DATA.

ERUPTION DETAILS: CONTINUOUS VENTING OF ASH AND STEAM NOW AT LOWER
LEVELS.

DETAILS OF ASH: MULTISPECTRAL IMAGERY INDICATES THAT THERE CONTINUES
TO BE A RELEASE OF ASH AND STEAM FROM THE SUMMIT. HOWEVER IT IS NOW
BELIEVED TO BE NEAR-SUMMIT ACTIVITY WITH POSSIBLE ASH UP TO FL200.
----------------

I am expecting, at least, two move events, this time I think, in Mexico.