FVXX21 KWBC 221300
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1300 UTC 22 APR 2000 BY THE WASHINGTON VAAC 
.
TUNGURAHUA 00-473         ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND
MULTISPECTRAL IMAGERY. 6 HOUR WIND FORECAST FROM THE 22/0600
UTC AVIATION MODEL.
.
ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS.  UNTIL RECENTLY
WEATHER CLOUDS PREVENTED SATELLITE DETECTION OF ASH.  
.
DETAILS OF ASH: GOES-8 IMAGERY THROUGH 22/1215 UTC SHOWS AN
ASH PLUME EXTENDING FROM THE SUMMIT TOWARD THE NORTHWEST
REACHING THE POINT 0053S 7844W. THE PLUME IS ABOUT 75 KM (41
NMI) LONG AND 10 KM (5 NMI) WIDE. THE ASH HEIGHT IS ABOUT
FL200.
.
TRAJECTORY: ASH IS MOVING TOWARD THE NORTHWEST AT ABOUT 15
KNOTS.
.
THE NEXT STATEMENT WILL BE ISSUED BY 22/1900 UTC.
.
REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC
ASH ADVISORY STATEMENTS 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.
.
RUMINSKI/STREETT
.
NNNN"Attached Graphic Map Depicting Ash" 

""