FVXX21 KWBC 051743
VOLCANIC ASH ADVISORY
ISSUED: 2002NOV05/1743Z VAAC: WASHINGTON
.
VOLCANO: REVENTADOR 1502-01
LOCATION: S0004W07739 AREA: ECUADOR
.
SUMMIT ELEVATION: 12139 FT (3700M)
.
ADVISORY NUMBER: 2002/012
.
INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WIND FORECAST.
.
ERUPTION DETAILS: ONGOING ACTIVITY SINCE 03/1245Z.
.
OBS ASH DATE/TIME: 05/1645Z
.
OBS ASH CLOUD: SFC/FL250 5 NM WIDE LINE OF ASH EXTENDING BETWEEN
S0004W07739 S0014W07748. ASH IS MOVING SW 15 TO 20 KNOTS.
.
FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD.
.
REMARKS: CLOUDS CLEARED SUFFICIENTLY BY 1645Z TO REVEAL A NARROW 5 NM
WIDE PLUME EXTENDING AT LEAST 12 NM TO THE SOUTHWEST OF THE SUMMIT.
THE PLUME MAY EXTEND FURTHER TO THE SOUTHWEST WHERE EXTENSIVE
METEOROLOGICAL CLOUDS PRECLUDED DETECTION. ASH TOPS ARE ESTIMATED TO
BE NEAR FL250. THE ASH PREVIOUSLY SEEN OVER THE PACIFIC OCEAN HAD
BECOME TOO DIFFUSE TO DETECT BY 1645Z. TURK
.
NEXT ADVISORY: WILL BE ISSUED BY 2002NOV05/2330Z.
.
NNNN
"Attached Graphic Map Depicting Ash Only"
"
"