FVXX21 KWBC 211100
VOLCANIC ASH ADVISORY
ISSUED 1100 UTC 21 JUL 2000 BY THE WASHINGTON VAAC 
.
TUNGURAHUA 00-850         ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL
IMAGERY. WINDS FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL
INSTITUTE REPORT.
.
ERUPTION DETAILS: GASES WITH OCCASIONAL ASH EMISSIONS.  
.
DETAILS OF ASH: ASH IS NOT VISIBLE IN THE SATELLITE IMAGERY
THROUGH 21/1015 UTC.  EXTENSIVE CLOUDS SURROUNDING THE VOLCANO
MAY BE OBSCURING ANY ASH PRESENT.
.
TRAJECTORY: ANY ASH BETWEEN THE SUMMIT AND FL260 WOULD MOVE TO
THE WEST OR SOUTHWEST AT UP TO 20 KNOTS
.
OUTLOOK: SEE SIGMETS.
.
THE NEXT MESSAGE WILL BE ISSUED BY 21/1700 UTC.
.
REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER 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