FVXX21 KWBC 290400
VOLCANIC ASH ADVISORY  
ISSUED 0400 UTC 29 JUN 2000 BY THE WASHINGTON VAAC 
. 
TUNGURAHUA 00-758         ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL
IMAGERY. THE GEOPHYSICAL INSTITUTE IN QUITO.  12 HOUR 
WINDS FORECAST FROM THE 18 UTC AVIATION MODEL
.
ERUPTION DETAILS: OCCASIONAL GAS AND ASH EMISSIONS.  
.
DETAILS OF ASH: SATELLITE IMAGERY THROUGH 29/0315 UTC DOES
NOT CURRENTLY SHOW ANY ASH FROM THE VOLCANO.  HOWEVER OVER THE
PAST FEW IMAGES THERE HAS BEEN A DISTINCT HOT SPOT.  THE
GEOPHYSICAL INSTITUTE CONFIRMED THAT AN EXPLOSION OCCURRED AT
2006 UTC AND AN ASH COLUMN WAS PRODUCED.  THIS ASH COLUMN WAS
ESTIMATED TO BE UP TO FL280.
.
TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL280 WOULD MOVE
WESTWARD AT 10 TO 15 KNOTS.
.
OUTLOOK: SEE SIGMETS AND VAFTAD.
.
THE NEXT MESSAGE WILL BE ISSUED BY 29/1000 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