FVXX21 KWBC 182015
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VOLCANIC ASH ADVISORY STATEMENT-WATCH
ISSUED 2015 UTC 18 OCTOBER 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-03        ECUADOR 1.47S 78.44W
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BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)  
               SUMMIT HEIGHT 16480 FT (5023 M)
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THE GEOPHYSICAL INSTITUTE IN ECUADOR CONTINUES TO MONITOR THE
INCREASED ACTIVITY OF THE TUNGURAHUA VOLCANO.  THE VOLCANO IS RESTLESS
WITH A POTENTIAL ERUPTION POSSIBLE WITH LITTLE OR NO WARNING. THE
GUAYAQUIL METEOROLOGICAL WATCH OFFICE IS ISSUING SIGMETS INDICATING
THAT STATIONS NEAR THE VOLCANO HAVE OBSERVED VOLCANIC ASH AT ABOUT
FL170.  SATELLITE IMAGERY FROM EARLIER TODAY SUGGESTED THAT THIS ASH
WAS CONFINED TO THE AREA NEAR THE VOLCANO SUMMIT.
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WE WILL CONTINUE TO MONITOR THE AREA AND IF MORE ASH IS OBSERVED OR
REPORTED A VOLCANIC ASH ADVISORY STATEMENT WILL BE ISSUED AS SOON AS
POSSIBLE. REAL TIME SATELLITE IMAGERY OF ECUADOR CAN BE ACCESSED VIA
INTERNET AT: HTTP://WWW.SSD.NOAA.GOV/VAAC/GUAG-IMG.HTML 
(ALL LOWER CASE EXCEPT VAAC)
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THE WATCH VAAS IS ISSUED ONLY FOR SEISMICALLY MONITORED VOLCANOES AND
BASED ON INFORMATION RECEIVED FROM THE GEOLOGICAL COMMUNITY.  A WATCH
VAAS WILL BE ISSUED DAILY WHEN INFORMATION IS RECEIVED TO INDICATE
THAT A VOLCANO IS RESTLESS AND HAS THE POTENTIAL FOR AN EXPLOSIVE
ERUPTION WITH LITTLE OR NO WARNING. NON-EXPLOSIVE LOW LEVEL AND NEAR
SUMMIT ACTIVITY MAY BE OCCURRING AT PRESENT.
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SEE NOAA-ARL HOMEPAGE FOR HYPOTHETICAL ERUPTIONS-VAFTAD AT:
HTTP://WWW.ARL.NOAA.GOV/VAFTAD.HTML (ALL LOWER CASE)
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THE NEXT STATEMENT WILL BE ISSUED AT 19/2045 UTC UNLESS CONDITIONS
CHANGE.
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