FVXX20 KWBC 161730
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG16/1730Z   VAAC: WASHINGTON
.
VOLCANO: TUNGURAHUA  1502-08                                
LOCATION: 0128S 7826W    AREA: ECUADOR
.                             
SUMMIT ELEVATION: 16480 FT (5023 M)
.
ADVISORY NUMBER: 2001/180
.
INFORMATION SOURCE: GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY.
GUAYAQUIL SIGMET. GEOPHYSICAL INSTITUTE IN QUITO. AVIATION MODEL UPPER
WIND FORECAST.
.
ERUPTION DETAILS: NEARLY CONTINUOUS ERUPTION SINCE 06/1203Z.
.
DETAILS OF ASH CLOUD: GOES8 SATELLITE IMAGERY SHOWS A STRONG EMISSION OF
ASH FROM THE VOLCANO EXTENDING TO THE EAST AND SOUTHEAST OF THE SUMMIT.
THE ASH IS ESTIMATED AT FL350. THE ASH IS BOUNDED BY THE FOLLOWING POINTS:
0137S 7830W TO 0127S 7809W TO 0133S 7805W TO 0139S 7824W TO 0137S 7830W.
ASH ALSO EXTENDS TO THE WEST SOUTHWEST AT THE ESTIMATED HEIGHT OF FL280. 
THE LEADING EDGE OF THE ASH IS AT 0134S 7856W WHICH IS 62 KM (33 NMI) FROM
THE SUMMIT. THE ASH IS APPROXIMATELY 10 KM (5 NMI) WIDE.
.
TRAJECTORY: ASH UP TO FL350 WILL MOVE TOWARDS THE EAST AND SOUTHEAST AT 20
TO 30 KTS. ASH AT FL280 WILL MOVE TOWARDS THE WEST SOUTHWEST AT 10 KTS. 
.
OUTLOOK: SEE SIGMETS AND VAFTAD.
.
THE NEXT ADVISORY WILL BE ISSUED BY 16/2330Z.
.
INTERNET URLS...
MESSAGE LISTSERV   WWW.SSD.NOAA.GOV/VAAC/SUBSCRIBE.HTML
MESSAGES GRAPHICS AND IMAGERY   WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML
(ALL LOWERCASE EXCEPT /VAAC/)
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
.
NNNN"Attached Graphic Map Depicting Ash Only" 

""