FVXX21 KWBC 162100
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2100 UTC 16 APR 2000 BY THE WASHINGTON VAAC 
.
TUNGURAHUA 00-450        ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND
MULTISPECTRAL IMAGERY...12 HOUR FORECAST FROM THE 12 UTC
AVIATION MODEL.
.
ERUPTION DETAILS: NEARLY CONTINUOUS GAS EMISSIONS WITH
OCCASIONAL ASH EMISSIONS.
.
DETAILS OF ASH: NO ASH CAN BE DETECTED IN SATELLITE IMAGERY
THROUGH 16/2015 UTC ALTHOUGH THERE ARE EXTENSIVE WEATHER
CLOUDS IN THE AREA. NO REPORTS HAVE BEEN RECEIVED RECENTLY ON
ASH HEIGHTS.

TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN
THE SUMMIT AND FL300 WOULD MOVE TO THE WEST SOUTHWEST AT 10 TO
20 KNOTS.
.
OUTLOOK: SEE SIGMETS.
.
THE NEXT STATEMENT WILL BE ISSUED BY 17/0300 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.
.
NNNN