FVXX21 KWBC 181500
VOLCANIC ASH ADVISORY
ISSUED 1500 UTC 18 AUG 2000 BY THE WASHINGTON VAAC
.
TUNGURAHUA 00-967         ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 VISIBLE... INFRARED AND
MULTISPECTRAL IMAGERY. UPPER LEVEL WIND FORECAST FROM THE
AVIATION MODEL. GEOPHYSICAL INSTITUTE REPORT. 
.
ERUPTION DETAILS: GASES AND OCCASIONAL ASH EMISSIONS. 
.
DETAILS OF ASH: NO ASH WAS DETECTED IN GOES-8 IMAGERY THROUGH
1415 UTC AND THICK WEATHER CLOUDS COVER THE AREA.  THE
INSTITUTE REPORTS THAT THE VOLCANO REMAINS ACTIVE WITH SMALL
NEAR SUMMIT EMISSIONS.  
.
TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH BELOW FL230
WILL MOVE TOWARD THE WEST NORTHWEST AROUND 15 KNOTS.
.
OUTLOOK: SEE SIGMETS.
.
THE NEXT ADVISORY WILL BE ISSUED BY 18/2100 UTC.
.
REAL TIME SATELLITE IMAGERY AND 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