FVXX21 KWBC 021930
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1930 UTC 02 DEC 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-196         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.  AVIATION MODEL WIND FORECAST. REPORT FROM THE
GEOPHYSICAL INSTITUTE IN QUITO.
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ERUPTION DETAILS: CONTINUOUS STEAM AND ASH EMISSIONS AND OCCASIONAL
EXPLOSIONS OF ASH.
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DETAILS OF ASH: SATELLITE IMAGERY THRU 1845 UTC DOES NOT DETECT ANY
ASH IN THE VICINITY OF THE VOLCANO.  A SIGMET FROM GUAYAQUIL
MENTIONS THAT VOLCANIC ASH OVER THE VOLCANO IS MOVING NORTHWEST AT
FL300. 
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT FL300 WOULD MOVE
WEST TO NORTHWEST AT 5 TO 10 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  
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 03/0130 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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KARST/NOAA/NESDIS/SAB
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