FVXX21 KWBC 270530
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0530 UTC 27 DEC 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-299         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 INFRARED AND MULTISPECTRAL
IMAGERY...WIND DATA PROVIDED BY THE OBSERVATORY IN QUITO ... 18Z
AVIATION MODEL 12 HOUR FORECAST.
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ERUPTION DETAILS: EMISSIONS OF ASH AND STEAM
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DETAILS OF ASH: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH
27/0445 UTC.  THERE HAS BEEN NO FURTHER INFORMATION FROM SURFACE
OBSERVATIONS SINCE 26/2100 UTC WHEN ASH WAS REPORTED MOVING NORTH
AND ESTIMATED AT FL340.  THE VOLCANO IS OBSCURED BY BROKEN MIDDLE
AND HIGH LEVEL CLOUDS.
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TRAJECTORY: ANY ASH BETWEEN FL250 AND FL340 WOULD MOVE NORTH
NORTHWEST AT ABOUT 35 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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EFFECTIVE JANUARY 3 2000 AT 0000 UTC... ALL REFERENCES TO LATITUDE
AND LONGITUDE IN VOLCANIC ASH ADVISORY STATEMENTS WILL BE IN DEGREES
AND MINUTES OF A DEGREE.  EXAMPLE: 16.70N 62.20W  WILL BE 1642N6212W
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THE NEXT STATEMENT WILL BE ISSUED BY 27/1130 UTC OR SOONER IF
ADDITIONAL DATA BECOMES AVAILABLE.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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