FVXX20 KWBC 151830
VOLCANIC ASH ADVISORY
ISSUED: 2001APR15/1830 VAAC: WASHINGTON
.
VOLCANO: TUNGURAHUA  1502-08
LOCATION: 0128S 7826W    AREA: ECUADOR
.                             
SUMMIT ELEVATION: 16480 FT (5023 M)
.                        
ADVISORY NUMBER: 2001/53.

INFORMATION SOURCE: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL
IMAGERY. GEOPHYSICAL INSTITUTE IN QUITO. 6 HOUR WIND FORECAST
FROM THE 15/1200Z AVIATION MODEL.
.
ERUPTION DETAILS: ASH CLOUD REPORTED AT 15/1640Z.
.
DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE IN QUITO REPORTED 
ASH OVER THE VOLCANO AT 15/1640Z TO FL230.  THIS ASH WAS MOVING
TO THE WEST.  ASH IS NOT SEEN IN THE SATELLITE IMAGERY THOUGH
15/1745Z.  IN ADDITION..CONSIDERABLE CLOUDS AROUND THE VOLCANO IS
MAKING DETECTION OF ASH DIFFICULT.  
.
TRAJECTORY: ASH AT FL230 WILL MOVE TOWARDS THE WEST AT 15 KNOTS.
.
OUTLOOK: SEE SIGMETS.
.
THE NEXT ADVISORY WILL BE ISSUED BY 16/0030Z.
.
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.
.
WALTER/BROWN
.
NNNN