FVXX20 KWBC 280330
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VOLCANIC ASH ADVISORY STATEMENT  CORRECTION TO NEXT MESSAGE TIME
ISSUED 0320 UTC 28 NOV 1999 BY THE WASHINGTON VAAC 
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GUAGUA PICHINCHA 99-120      ECUADOR 0.17S 78.60W 
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BACKGROUND:    GUAGUA PICHINCHA ECUADOR (1502-02)
               SUMMIT HEIGHT    15695 FT (4784 M)  
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SOURCES OF INFORMATION: REPORT FROM THE GEOFISICO INSTITUTO IN
ECUADOR...GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...18 UTC
AVIATION MODEL WIND FORECAST
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ERUPTION DETAILS: NEW ERUPTION BEGINNING AT 28/0215 UTC.
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY SHOWS AN ASH PLUME EXTENDING
TO THE WEST SOUTHWEST.  AT 0245 UTC THE ASH EXTENDS 28 KM (15 NMI)
FROM THE SUMMIT TO THE POINT 0.3S 78.9W.  THE PLUME IS 30 KM (16
NMI) WIDE.  ASH HEIGHT IS ESTIMATED AT FL470 BASED ON UPPER AIR
WINDS. 
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TRAJECTORY: ASH UP TO ABOUT FL470 IS MOVING TO THE WEST SOUTHWEST AT
ABOUT 30 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 28/0930 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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ORRISON
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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"