FVXX21 KWBC 161415
VOLCANIC ASH ADVISORY
ISSUED: 2002DEC16/1415Z  VAAC: WASHINGTON
 
VOLCANO: SAN CRISTOBAL  1404-02
LOCATION: N1242W08700    AREA: NICARAGUA
                              
SUMMIT ELEVATION: 5725FT (1745 M)
                         
ADVISORY NUMBER: 2002/6

INFORMATION SOURCE: GOES-8 IMAGERY. INETER VOLCANO CAMERA.
SURFACE REPORT. GFS MODEL WINDS FORECAST.

ERUPTION DETAILS: STEAM PLUME WITH POSSIBLE ASH SEEN AT 1245Z

OBS ASH DATE/TIME: 16/1345Z.

OBS ASH CLOUD: SFC/FL090 5 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1242W08700 N1244W08719. ASH IS MOVING W 5-10 KNOTS.
           
FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: SFC REPORT FROM CHINANDEGA INDICATED THAT SAN CRISTOBAL
VOLCANO WAS IN STRONG ACTIVITY. THE INETER SAN CRISTOBAL CAMERA
AND GOES 8 IMAGERY SHOW A DEFINITE PLUME EMANATING FROM THE
SUMMIT BUT THE PLUME LOOKS LIKE MOSTLY STEAM BUT THERE MAY BE
MIXED ASH WITHIN. THE GFS MODEL INDICATES WINDS ARE CURRENTLY
MOVING WEST AT 5 TO 10 KNOTS BUT WILL BE SHIFTING TO THE SW LATER
IN THE DAY. WE WILL CONTINUE TO MONITOR THE SITUATION...GALLINA  

NEXT ADVISORY: WILL BE ISSUED BY 2002DEC16/2015Z.

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"Attached Graphic Map Depicting Ash Only" 

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