FVXX21 KWBC 032230
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VOLCANIC ASH ADVISORY
ISSUED 2230 UTC 03 NOVEMBER 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-070      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 INFRARED AND MULTISPECTRAL
IMAGERY...GUAYAQUIL METEOROLOGICAL WATCH OFFICE...INSTITUTO
GEOFISICO IN ECUADOR...AVIATION MODEL WIND FORECAST DATA FROM THE
U.S. NATIONAL WEATHER SERVICE.
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ERUPTION DETAILS: THE NOVEMBER 2 BULLETIN OF THE INSTITUTO GEOFISICO
DESCRIBES A CONTINUOUS ASH GRAY EMISSION FROM THE VOLCANO AS WELL AS
INTERMITTENT EXPLOSIONS.
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DETAILS OF ASH: NO ASH CAN BE DETECTED ON SATELLITE IMAGERY THROUGH
03/2115 UTC.  
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TRAJECTORY: MODEL DATA AND 1200 UTC WIND DATA SUGGEST ANY ASH MOVING
TOWARD THE SOUTHEAST WOULD BE ABOVE FL340 POSSIBLY NEAR FL390.
IF ASH WERE AT FL240/280/310 IT WOULD MOVE MORE EASTERLY AT 10-20KT. 
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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 04/0430 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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WALTER/SAB/NOAA/NESDIS
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