FVXX20 KWBC 251400
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1400 UTC 25 SEPTEMBER 1999 BY THE WASHINGTON VAAC 
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SANTA MARIA    99-001           GUATEMALA 14.76N 91.65W
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BACKGROUND:    SANTA MARIA (1402-03)     
               SUMMIT HEIGHT 12375FT (3772 M)  
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SOURCES OF INFORMATION:  SURFACE REPORT FROM RETALHULEU. GOES-8
VISIBLE...INFRARED...AND MULTISPECTRAL IMAGERY.

ERUPTION DETAILS: 25/1300Z SURFACE OBSERVATION FROM STATION MGRT
INDICATE THAT THE SANTIAGUITO AREA (SW FLANK OF SANTA MARIA) IS
ERUPTING. BEGINNING TIME IS UNKNOWN.
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DETAILS OF ASH CLOUD: ASH CAN NOT BE SEEN IN GOES IMAGERY DUE TO
BROKEN CUMILONIMBUS IN THE REGION. IT IS BELIEVED TO BE A LOW LEVEL
ERUPTON BELOW FL150.
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TRAJECTORY: SURFACE OBS AND CLOSEST RAOB IN BELIZE SHOW WINDS BELOW
FL150 TO BE MOVING SOUTHWEST AT 5 TO 10 KNOTS.
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HUGHES
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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  
www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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OUTLOOK:  SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 25/2000Z UNLESS NEW INFORMATION
IS RECEIVED.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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