FVXX20 KWBC 092040
VOLCANIC ASH ADVISORY STATEMENT-CORRECTION TIME OF NEXT VAAS
ISSUED 2040 UTC 09 APR 2000 BY THE WASHINGTON VAAC
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GUAGUA PICHINCHA 00-120         ECUADOR 0011S 7836W 
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BACKGROUND:    GUAGUA PICHINCHA ECUADOR (1502-02)
               SUMMIT HEIGHT    15695 FT (4784 M)  
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SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED AND
MULTISPECTRAL IMAGERY.
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ERUPTION DETAILS: EXPLOSIVE ERUPTIONS AT 09/0504 UTC AND
09/0712 UTC...POSSIBLE EXPLOSION AT 1230 UTC.
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 09/1945 UTC
SHOWS NO SIGNS OF ASH. THERE IS AN ABUNDANCE OF CLOUDINESS IN
THE REGION WHICH IS MAKING IT DIFFICULT TO DETERMINE IF THERE
HAVE BEEN ADDITIONAL EMISSIONS OF ASH. WHILE THERE HAVE BEEN
NO RECENT REPORTS OF EXPLOSIONS THE VOLCANO DOES REMAIN
SEISMICALLY ACTIVE. THEREFORE AN ERUPTION COULD STILL OCCUR AT
ANY TIME IN THE SAME MANNER IT DID EARLIER IN THE DAY. THE
LAST POSSIBLE EXHALATION OF ASH AT 1230 UTC WAS BELIEVED TO
HAVE REACHED BETWEEN FL300 AND FL350.
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TRAJECTORY: ANY ASH REACHING FROM THE SUMMIT TO FL250 SHOULD
MOVE SOUTHWEST AT 10 TO 20 KNOTS. ANY ASH FROM FL250 TO FL350
IS EXPECTED TO MOVE SOUTH AT 10 TO 20 KNOTS.
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OUTLOOK:  SEE SIGMETS AND VAFTAD.
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THE NEXT STATEMENT WILL BE ISSUED BY 10/0230 UTC.
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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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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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ORRISON
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