FVXX20 KWBC 061715
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1700 UTC 06 AUGUST 1999 BY THE WASHINGTON VAAC 
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CERRO NEGRO 99-001    NICARAGUA      12.5N 86.7W
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BACKGROUND:    CERRO NEGRO  NICARAGUA  (1404-07)
               SUMMIT HEIGHT 2214 FT (675M)
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SOURCES OF INFORMATION: NEWS MEDIA REPORTS AND GOES-8 SATELLITE
IMAGERY AND INETER IN MANAGUA NICARAGUA.
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ERUPTION DETAILS: ERUPTIONS HAVE BEEN OCCURRING SINCE 05/1600 UTC.
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DETAILS OF ASH CLOUD: ASH IS NOT VISIBLE IN THE CURRENT SATELLITE
IMAGERY.  HOWEVER A WELL DEFINED HOT SPOT IS VISIBLE ON THE
MULTI-SPECTRAL IMAGERY. INFORMATION FROM INETER SUGGESTS THAT THIS
IS PRIMARILY A LAVA EVENT.  HOWEVER MEDIA REPORTS INDICATE THAT
YESTERDAY PILOTS NOTED THE PRESENCE OF ASH AT FL220.
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TRAJECTORY: ANY ASH AT FL220 WOULD MOVE TOWARD THE NORTHWEST
AT 15-20 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 LATEST SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED AROUND 06/2300 UTC. 
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PLEASE REFER TO SIGMETS AND VAFTAD FOR CURRENT WARNINGS.
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