FVXX20 KWBC 301025
VOLCANIC ASH ADVISORY
ISSUED: 2003AUG30/1025Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/186

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST.   

ERUPTION DETAILS: ONGOING ERUPTION SINCE 20/1745Z.
                                            
OBS ASH DATE/TIME: 30/0945Z        

OBS ASH CLOUD: SFC/FL240 20 NM WIDE LINE ASH BETWEEN
S0128W07826 S0115W07855. ASH IS MOVING NW 10 KNOTS.
                                     
FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD.

REMARKS:    AT 0815Z A VERY HOTSPOT WAS DETECTED IN IMAGERY.
SINCE THEN A PLUME OF ASH AND GASES CAN BE SEEN SPREADING 
NORTHWEST AT AROUND 10 KNOTS AND IS ESTIMATED UP TO FL240.
AT 0945Z THE PLUME EXTENDED ROUGHLY 32 NM NORTHWEST OF THE
SUMMIT HOWEVER THE HOTSPOT HAS FADED IN INTENSITY. 

NEXT ADVISORY: WILL BE ISSUED BY 2003AUG30/1630Z.

NNNN