FVXX20 KWBC 212000
VOLCANIC ASH ADVISORY
ISSUED 2000 UTC 21 NOV 2000 BY THE WASHINGTON VAAC
.
SOUFRIERE HILLS 00-298 WEST INDIES 1643N 6211W
.
BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05)
SUMMIT HEIGHT 3000 FT (915M)
.
INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL
IMAGERY. AVIATION MODEL UPPER AIR WIND FORECAST.
.
ERUPTION DETAILS: FAINT ASH PLUME VISIBLE
.
DETAILS OF ASH CLOUD: VISIBLE IMAGERY THROUGH 1915 UTC
CONTINUES TO SHOW A FAINT ASH PLUME ESTIMATED TO BE BELOW
FL070. THE PLUME EXTENDS FROM THE SUMMIT TOWARD THE NORTHWEST
IN A WAVY PATTERN APPROXIMATELY TO THE POINT 1712N 6407W. THE
PLUME IS ABOUT 210KM (113 NMI) LONG AND 17 KM (9 NMI) WIDE.
.
TRAJECTORY: ASH IS MOVING TOWARD THE WEST AT 20 TO 25 KNOTS.
.
OUTLOOK: SEE SIGMETS.
.
THE NEXT ADVISORY WILL BE ISSUED BY 22/0200 UTC.
.
REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES OFTEN
ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT
INTERNET URL ADDRESS
HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML
(ALL LOWER CASE EXCEPT /VAAC/)
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
.
NNNN
"Attached Graphic Map Depicting Ash"
"
"