FVXX20 KWBC 080130CORR
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0130 UTC 08 OCTOBER 1999 BY THE WASHINGTON VAAC 
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GUAGUA PICHINCHA 99-036 ECUADOR 0.17S 78.60W 
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BACKGROUND:    GUAGUA PICHINCHA (1502-02)
               SUMMIT HEIGHT    15,695 FT (4784 M)  
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SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL
IMAGERY THROUGH 0045 UTC. 0000 UTC NUMERICAL WEATHER MODEL AND
TRAJECTORY FORECASTS. UNITED STATES GEOLOGICAL SURVEY AT GEOPHYSICAL
INSITUTE IN QUITO. 
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ERUPTION DETAILS: 07/1207 UTC 

DETAILS OF ASH CLOUD: THE USGS AT THE GEOPHYSICAL INSITUTE REPORTED
AN EXPLOSIVE ERUPTION OF GUAGUA AT 07/1207 UTC. ASH FROM THE MORNING
ERUPTION HAS BECOME TOO DIFFUSE TO BE DETECTED IN THE LATEST GOES-8
SATELLITE IMAGERY ENDING AT 0045 UTC.
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TRAJECTORY: ASH TO FL400 WOULD MOVE TOWARDS THE WEST-SOUTHWEST AT 15
TO 20 KTS WHILE ASH FROM FL400 TO FL500 WOULD MOVE TOWARD THE EAST
AT 20 TO 25 KTS. 
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AB
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS  
www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEST MESSAGE WILL BE ISSUED AT 08/0730 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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