FVXX21 KWBC 212300
VOLCANIC ASH ADVISORY
ISSUED: 2002AUG21/2300Z  VAAC: WASHINGTON 
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VOLCANO: SAN CRISTOBAL 1404-02
LOCATION: N1242W08700    AREA: NICARAGUA
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SUMMIT ELEVATION: 5725 FT (1745 M)
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ADVISORY NUMBER: 2002/03
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INFORMATION SOURCE: GOES-8 IMAGERY. SURFACE REPORT FROM
CHINANDEGA NICARAGUA. INETER VOLCANO CAMERA.
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ERUPTION DETAILS: 21/2200Z.
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OBS ASH DATE/TIME: 21/2145Z.
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OBS ASH CLOUD: SFC/FL060 2 NM WIDE LINE OF ASH AND OR STEAM
BETWEEN N1242W08700 N1242W08705 MOVING W 10 KNOTS.
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FCST ASH CLOUD+6H: SEE SIGMETS.
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REMARKS: A SURFACE REPORT FROM CHINANDEGA NICARAGUA INDICATED
THAT SAN CRISTOBAL WAS ACTIVE AT 2200Z.  AN INETER VOLCANO CAMERA
SHOWED THE VOLCANO SUMMIT OBSCURED BY CLOUDS AT 2230Z HOWEVER A
POSSIBLE PLUME WAS DETECTED IN A BREAK IN THE CLOUDS IN THE 2145Z
GOES 8 SATELLITE IMAGE.  THE PLUME EXTENDED 5 NM TO THE WEST OF
THE SUMMIT AND WAS ONLY 2 NM WIDE.  THE PLUME WAS ESTIMATED TO BE
NEAR SUMMIT HEIGHT OR ROUGHLY FL060.  THE AREA WILL CONTINUE
TO BE MONITORED BUT NO ADDITIONAL ADVISORIES WILL BE ISSUED
UNLESS ASH CAN BE SEEN IN SATELLITE IMAGERY EXTENDING BEYOND
10 NM OF THE SUMMIT. TURK/WALTER
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NEXT ADVISORY: NO FURTHER ADVISORIES. 
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"Attached Graphic Map Depicting Ash Only" 

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