FVXX21 KWBC 282235
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2235 UTC 28 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-180       ECUADOR 1.47S 78.44W 
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BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
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SOURCES OF INFORMATION: GOES-8 VISIBLE AND MULTISPECTRAL AND
INFRARED IMAGERY...REPORT FROM THE GEOFISICO INSTITUTO...1200 UTC
AVIATION MODEL UPPER-AIR SOUNDING DATA...
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ERUPTION DETAILS: CONTINUOUS ASH AND STEAM EMISSIONS...
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DETAILS OF ASH: THE LATEST SATELLITE IMAGERY THRU 2145 UTC SHOWS
THAT CLOUDINESS FROM SHOWERS AND THUNDERSTORMS ARE BREAKING UP SOME.
WHAT HAS BEEN REVEALED OVER THE LAST HOUR IS AN ASH AND STEAM CLOUD
THAT CAN BE SEEN PUSHING TO THE WEST-SOUTHWEST FROM THE SUMMIT. ASH
AND STEAM IS ESTIMATED TO BE AS HIGH AS FL300.
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THE ASH AND STEAM IS SEEN IN VISIBLE AND MULTISPECTRAL IMAGES AS OF
2145 UTC EXTENDING 129 KM (70 NMI) AWAY FROM THE SUMMIT TO A POINT
AT 1.47S 79.64W. THE ASH AND STEAM IS 34 KM (18 NMI) WIDE.
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TRAJECTORY: CURRENT MOVEMENT IS WEST-SOUTHWEST AT 10 TO 20 KNOTS.
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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  
http://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 NEXT STATEMENT WILL BE ISSUED BY 29/0430 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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ORRISON
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NNNN"Attached Graphic Map Depicting Ash" 

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