FVXX24 KWBC 181515
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1515 UTC 18 JAN 2000 BY THE WASHINGTON VAAC 
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MASAYA 00-001         NICARAGUA  1159N 8610W
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BACKGROUND:    MASAYA NICARAGUA (1404-10)
               SUMMIT HEIGHT 2083 FT (635 M)
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SOURCES OF INFORMATION:  GOES-8 VISIBLE...INFRARED...AND
MULTISPECTRAL IMAGERY. 18/000 UTC AVN MODEL WINDS TO 18/1200 UTC.
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ERUPTION DETAILS: LOW LEVEL CONTINUOUS ASH EMISSION.
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DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 1445 UTC SHOWS A LOW
LEVEL THIN ASH PLUME FROM THE SUMMIT OF MASAYA. THIS ASH IS 73 KM
(40 NMI) LONG FROM 1159N 8610W TO 1133N 8640W. THE HEIGHT IS
ESTIMATED TO BE BELOW FL030. THE PLUME IS SEEN RAPIDLY DISSIPATING
AS IT MOVES OVER THE PACIFIC OCEAN. 

TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH BELOW FL050 TO MOVE
SOUTHWEST AT 15 TO 20 KNOTS.
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OUTLOOK:  SEE LATEST SIGMETS.
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THE NEXT MESSAGE FOR THIS EVENT WILL BE ISSUED BY 18/2100 UTC.
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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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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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HUGHES/NOAA/NESDIS/SAB
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NNNN
"Attached Graphic Map Depicting Ash" 

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