FVXX21 KWBC 130930 CORRECTION
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CORRECTION TO ADVISORY NUMBER.
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0930 UTC 13 NOV 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-112         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...U.S. NUMERICAL MODEL WINDS. UPPER WIND ANALYSIS FROM THE
INSTITUTO GEOFISICO IN QUITO.
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ERUPTION DETAILS: NEW EXPLOSION AT AROUND 13/0215 UTC.
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DETAILS OF ASH: GOES-8 MULTISPECTRAL IMAGERY THROUGH 0845 UTC SHOWS
A CONTINUING VENTING OF THE VOLCANO PRODUCING A PLUME OF ASH
EXTENDING NORTHWEST (319 DEGREES) FROM TUNGURAHUA TO 0.76S 79.06W.
THE ASH CLOUD IS 104 KM (56 NMI) LONG AND 28 KM (15 NMI) WIDE AT THE
WIDEST POINT. THIS ASH IS ESTIMATED TO BE AT FL300. 
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TRAJECTORY: UPPER AIR PATTERNS FROM THE INSTITUTO AND NUMERICAL
MODELS SUGGEST ANY ASH AT OR BELOW FL300 TO MOVE WEST NORTHWEST AT
10 TO 15 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 13/1530 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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NNNN
"Attached Graphic Map Depicting Ash" 

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