FVXX20 KWBC 201650
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1650 UTC 20 SEPTEMBER 1999 BY THE WASHINGTON VAAC 
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GUAGUA PICHINCHA 99-013 ECUADOR 0.17S 78.60W 
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BACKGROUND:    GUAGUA PICHINCHA (1502-02)
               SUMMIT HEIGHT    15,695FT (4784 M)  
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SOURCES OF INFORMATION:  SIGMET FROM GUAYAQUIL MWO.  GOES-8 INFRARED
AND MULTISPECTRAL IMAGERY.

ERUPTION DETAILS: ERUPTION AT APPROXIMATELY 20/0955 UTC.            
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DETAILS OF ASH CLOUD: THE LATEST SIGMET RELEASED AS OF 1440 UTC
INDICATES THAT GUAGUA CONTINUES TO BE EMMITTING ASH AND STEAM. NO
HEIGHT WAS GIVEN IN THE SIGMET AND ASH STILL CAN NOT BE SEEN ON THE
LATEST GOES-8 SATELLITE IMAGERY THROUGH 20/1445 UTC.
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TRAJECTORY: THE 20/0000 UTC AVIATION MODEL SUGGEST ANY ASH BELOW
FL300 WOULD MOVE TOWARDS THE WEST AT 15-25 KTS. 
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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.
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NEXT MESSAGE WILL BE ISSUED AT 20/2300 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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