FVXX22 KWBC 181424
VOLCANIC ASH ADVISORY
ISSUED: 2003MAY18/1430Z VAAC: WASHINGTON
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540 AREA: MARIANA ISLANDS
SUMMIT ELEVATION: 2585 FT (788 M)
ADVISORY NUMBER: 2003/034
INFORMATION SOURCE: GOES-9 IMAGERY. GFS MODEL WINDS FORECAST
ERUPTION DETAILS: ERUPTION BEGAN APPROXIMATELY 10/0730Z.
OBS ASH DATE/TIME: 18/1302Z
OBS ASH CLOUD: SFC/FL080 20 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1621E14540 N1712E14328. ASH IS MOVING W 15-20 KNOTS.
FCST ASH CLOUD +6H: SEE SIGMETS.
REMARKS: CURRENT SATELLITE IMAGERY THROUGH 18/1302Z SHOWS A
THIN PLUME OF ASH EXTENDING 140 NM TO THE WEST OF THE SUMMIT. IN
ADDITION A PERSISTENT HOTSPOT HAS BEEN OBSERVED OVER THE PAST 6
HOURS IN THE MULTI-SPECTRAL IMAGERY....WALTER
NEXT ADVISORY: WILL BE ISSUED BY 2003MAY18/2030Z.
NNNN
"Attached Graphic Map Depicting Ash Only"
""