FVXX20 KWBC 121024
VOLCANIC ASH ADVISORY
ISSUED: 2004JAN12/1020Z VAAC: WASHINGTON

VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2004/037
                              
INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST.  GEOPHYSICAL INSTITUTE.  GUAYAQUIL MWO SIGMET

ERUPTION DETAILS: GAS AND ASH EMISSIONS.

OBS ASH DATE/TIME: 12/0915Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL100/220 MOVING TO E 10-15 KNOTS.  
                                        
FCST ASH CLOUD+6H:  NOT AVBL            
FCST ASH CLOUD+12H: NOT AVBL  
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: ASH IS NOT DETECTED IN INFRARED IMAGERY...HOWEVER
THIN ASH PLUMES ARE OFTEN ONLY DETECTED IN HIGHER RESOLUTION
VISIBLE IMAGERY. THUS WILL CONTINUE ADVISORY AT LEAST UNTIL
VISIBLE IMAGERY BECOMES AVAILABLE LATER THIS MORNING.
ACCORDING TO UPPER AIR FORECASTS ANY ASH TO FL220 SHOULD
MOVE TO THE EAST AT 10-15 KNOTS.
 
NEXT ADVISORY: WILL BE ISSUED BY 2004JAN12/1600Z

NNNN