FVXX20 KWBC 121000
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG12/1000Z   VAAC: WASHINGTON
.
VOLCANO: TUNGURAHUA  1502-08
LOCATION: 0128S 7826W    AREA: ECUADOR
.                             
SUMMIT ELEVATION: 16480 FT (5023 M)
.
ADVISORY NUMBER: 2001/161
.
INFORMATION SOURCE: GUAYAQUIL METEOROLOGICAL WATCH OFFICE.
GEOPHYSICAL INSTITUTE IN QUITO. INFRARED AND MULTISPECTRAL SATELLITE
IMAGERY.  12 HOUR WIND FORECAST FROM THE 12/0000Z AVIATION MODEL.
.
ERUPTION DETAILS: CONTINUOUS ERUPTION SINCE 06/1203Z.  
.
DETAILS OF ASH CLOUD:  SATELLITE IMAGERY THROUGH 12/0915Z CONTINUES
TO SHOW A LARGE AREA OF ASH SPREADING TO THE WEST-SOUTHWEST AWAY
FROM THE SUMMIT.  
AN AREA OF THICK ASH IS BOUNDED BY THE FOLLOWING POINTS: SUMMIT
0127S7900W 0148S7933W AND 0149S7902W.
AN AREA OF THIN ASH IS BOUNDED BY THE FOLLOWING POINTS: 0135S7924W
0140S8234W 0254S8401W 0402S8237W AND 0155S7922W.
.
ESTIMATED HEIGHT OF THE ASH IS UP TO FL330.
.
TRAJECTORY: ASH TO FL330 WILL MOVE WEST AT 20 KNOTS.
.
OUTLOOK:  SEE SIGMETS AND VAFTAD.
.
THE NEXT ADVISORY WILL BE ISSUED BY 12/1600Z.
.
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" 

""