FVXX21 KWBC 200700
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0700 UTC 20 APR 2000 BY THE WASHINGTON VAAC 
.
TUNGURAHUA 00-464        ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL
IMAGERY.  WIND FORECAST FROM THE AVIATION MODEL. REPORT FROM
THE GEOPHYSICAL INSTITUTE.
.
ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS.
.
DETAILS OF ASH: WEATHER OVER THE REGION HAS LIMITED
OBSERVATIONS FROM SATELLITE IMAGERY THROUGH 0615 UTC. THE
GEOPHYSICAL INSTITUTE INDICATED IN A DAILY REPORT THAT
OCCASIONAL EMISSIONS OF ASH AND STEAM CONTINUE.
.
TRAJECTORY: ANY ASH THAT MAY EXIST FROM THE SUMMIT TO FL200
WOULD MOVE TOWARDS THE WEST SOUTHWEST AT 20 KTS.
.
THE NEXT STATEMENT WILL BE ISSUED BY 20/1300 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.
.
TURK
.
NNNN