FVXX20 KWBC 111000
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG11/1000Z   VAAC: WASHINGTON
.
VOLCANO: TUNGURAHUA  1502-08
LOCATION: 0128S 7826W    AREA: ECUADOR
.                             
SUMMIT ELEVATION: 16480 FT (5023 M)
.
ADVISORY NUMBER: 2001/157
.
INFORMATION SOURCE: GUAYAQUIL METEOROLOGICAL WATCH OFFICE.
GEOPHYSICAL INSTITUTE IN QUITO. INFRARED AND MULTISPECTRAL SATELLITE
IMAGERY. 12 HOUR WIND FORECAST FROM THE 11/0000Z AVIATION MODEL.
.
ERUPTION DETAILS: ONGOING ERUPTION SINCE AT LEAST 06/1203Z.  
.
DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 10/0845Z CONTINUES
TO SHOW A LARGE AREA OF ASH EXTENDING WEST FROM THE SUMMIT.
AN AREA OF THICK ASH IS BOUNDED BY THE FOLLOWING POINTS: 0127S7827W
0053S8001W 0202S8139W AND 0223S8034W. 
AN AREA OF THIN ASH IS BOUNDED BY THE FOLLOWING POINTS: 0053S8005W
0029S8120W 0128S8306W 0217S8309W 0329S8146W AND 0213S7943W.
.
ESTIMATED HEIGHT OF THE ASH IS UP TO FL300.
.
TRAJECTORY: ASH TO FL300 WILL MOVE WEST AT 20 TO 25 KNOTS.
.
OUTLOOK:  SEE SIGMETS AND VAFTAD.
.
THE NEXT ADVISORY WILL BE ISSUED BY 11/1600Z.
.
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
.
NNNN"Attached Graphic Map Depicting Ash Only" 

""