FVXX20 KWBC 251630
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VOLCANIC ASH ADVISORY STATEMENT-WATCH 
ISSUED 1630 UTC 25 FEB 1999 BY THE WASHINGTON VAAC
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COLIMA  99-020  MEXICO    19.51N 103.62W 
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BACKGROUND:    COLIMA MEXICO (1401-04)
               SUMMIT HEIGHT 13451 FT (4100 M)

      
THE COLIMA CENTER OF ENVIRONMENTAL RESEARCH REPORTS THAT THE VOLCANO
REMAINS UNSTABLE WITH THE POTENTIAL TO PRODUCE AN ERUPTION CLOUD WITH
LITTLE OR NO WARNING.  
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WE WILL CONTINUE TO MONITOR THE AREA AND IF THERE IS AN ASH CLOUD
OBSERVED OR REPORTED AT ANY ALTITUDE A VOLCANIC ASH ADVISORY
STATEMENT WARNING WILL BE ISSUED AS SOON AS POSSIBLE.  
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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.
SEE NOAA-ARL HOMEPAGE FOR TEST-VAFTAD AT:
HTTP://WWW.ARL.NOAA.GOV/VAFTAD.HTML (ALL LOWER CASE)
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THE NEXT WATCH STATEMENT WILL BE ISSUED AROUND 26/1600 UTC. 
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