FVXX21 KWBC 252000
VOLCANIC ASH ADVISORY
ISSUED 2000 UTC 25 SEP 2000 BY THE WASHINGTON VAAC
.
.
TUNGURAHUA 00-1109        ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND
MULTISPECTRAL IMAGERY. THE GEOPHYSICAL INSTITUTE.
.
ERUPTION DETAILS: NO RECENT ASH EMISSIONS

ERUPTION DETAILS: 5 MINUTE EXPLOSION AT 25/1319 UTC
.
DETAILS OF ASH: THE GEOPHYSICAL INSTITUTE REPORTED AN MODERATE
EXPLOSION OF ASH AT 25/1319 UTC LASTING FOR 5 MINUTES. LOCAL
AIRCRAFT AT 25/1355 UTC INDICATED ASH AT FL270 MOVING WEST.
SATELLITE IMAGERY THROUGH 25/1915 UTC DOES NOT SHOW ANY ASH 
ALTHOUGH THERE IS EXTENSIVE THICK CLOUDINESS PRESENT.

TRAJECTORY: ANY ASH NEAR FL270 WOULD MOVE WEST AT 10 TO 15
KNOTS.
.
OUTLOOK: SEE SIGMETS.
.
THE NEXT ADVISORY WILL BE ISSUED BY 26/0200 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