FVXX21 KWBC 311930
VOLCANIC ASH ADVISORY
ISSUED 1930 UTC 31 JUL 2000 BY THE WASHINGTON VAAC
.
TUNGURAHUA 00-895         ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 VISIBLE...INFRARED...AND
MULTISPECTRAL IMAGERY. 31/1800 UTC UPPER WIND FORECAST FROM
THE 31/1200 UTC AVIATION MODEL.
.
ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM.
.
DETAILS OF ASH: GOES-8 IMAGERY THROUGH 1915 UTC DOES NOT
INDICATE THE PRESENCE OF ASH. LOW TO MID CLOUDS ARE PARTIALLY
OBSCURING THE VIEW OF THE VOLCANO AT THIS TIME. 

TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH FROM SUMMIT
LEVEL TO FL250 WOULD MOVE WEST AT 10 TO 15 KNOTS.
.
OUTLOOK: SEE SIGMETS.
.
THE NEXT STATEMENT WILL BE ISSUED BY 01/0130 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.
.
HUGHES
.
NNNN