FVXX21 KWBC 042210
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VOLCANIC ASH ADVISORY STATEMENT-CORRECTED TO INCLUDE HEIGHT
ISSUED 2200 UTC 04 DEC 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-205         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..MULTISPECTRAL AND INFRARED
IMAGERY. UPPER AIR DATA FROM THE GEOPHYSICAL INSTITUTE.
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ERUPTION DETAILS: VISIBLE ASH PLUME DETECTED AT 2015 UTC 04 DECEMBER
1245 UTC.
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DETAILS OF ASH: CLOUDS HAVE CLEARED SUFFICIENTLY TO REVEAL A NARROW
ASH PLUME EMANATING FROM TUNGURAHUA.  AT 2015 UTC THE 10 KM (5 NMI)
WIDE PLUME EXTENDED FROM THE SUMMIT TO THE SOUTHWEST FOR 45 KM (24
NMI) TO 1.8S/78.7W. THE PLUME DID NOT HAVE A GOOD SIGNATURE IN
MULTISPECTRAL IMAGERY.  THIN HIGH CLOUDS RETURNED OVER THE SUMMIT
AND SURROUNDING VICINITY BY 2115 UTC.  THE PLUME WAS ESTIMATED AT
FL240.
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TRAJECTORY: TOWARD THE 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.
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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 05/0400 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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TURK/SAB/NOAA/NESDIS
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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"