FVXX21 KWBC 211730
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1730 UTC 21 MAR 2000 BY THE WASHINGTON VAAC 
.
TUNGURAHUA 00-341         ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND
MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVN MODEL.
.
ERUPTION DETAILS: NEARLY CONTINUOUS VENTING OF GASES WITH
OCCASIONAL ASH EMISSIONS.
.
DETAILS OF ASH: SATELLITE IMAGERY THROUGH 1645 UTC SHOWS
EXTENSIVE LOW AND MID LEVEL CLOUDINESS IN THE VINCITY OF THE
VOLCANO MAKING ANY DETECTION OF ASH DIFFICULT.  
.
TRAJECTORY: ANY ASH BELOW FL300 WILL MOVE TOWARDS THE WEST OR
WEST SOUTHWEST AT 20 KTS.
.
OUTLOOK: SEE SIGMETS AND VAFTAD.
.
THE NEXT STATEMENT WILL BE ISSUED BY 21/2330 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.
.
KARST
.
NNNN