FVXX20 KWBC 172330
VOLCANIC ASH ADVISORY
ISSUED: 2001AUG17/2330Z   VAAC: WASHINGTON
.
VOLCANO: TUNGURAHUA  1502-08                                
LOCATION: 0128S 7826W    AREA: ECUADOR
.                             
SUMMIT ELEVATION: 16480 FT (5023 M)
.
ADVISORY NUMBER: 2001/185
.
INFORMATION SOURCE: GOES-8 VISIBLE..INFRARED..MULTISPECTRAL
IMAGERY. GUAYAQUIL METEOROLOGICAL WATCH OFFICE.  SIX HOUR WIND
FORECAST FROM THE 17/1800Z AVIATION MODEL.
.
ERUPTION DETAILS: NEARLY CONTINUOUS ERUPTION SINCE 06/1203Z.
.
DETAILS OF ASH CLOUD:  GOES-8 IMAGERY THROUGH 17/2215Z SHOWS A
PLUME EXTENDING TO WEST AWAY FROM THE SUMMIT.  THE PLUME IS 262KM
(141 NMI) IN LENGTH AND 51KM (28 NMI) IN WIDTH AND EXTENDS TO THE
POINT 0135S8046W.  THE PLUME IS BOUNDED BY THE FOLLOWING POINTS: 
SUMMIT 0109S7942W 0136S8048W AND 0136S7835W.  BASED ON FORECAST
UPPER LEVEL WINDS THE ESTIMATED HEIGHT OF THE ASH IS FROM THE
SUMMIT LEVEL TO FL220.
NOTE: DUE TO RAPID SCAN OPERATIONS THERE IS NO IMAGERY AVAILABLE
SOUTH OF 0138S.
.
TRAJECTORY: ASH FROM THE SUMMIT LEVEL TO FL220 WILL MOVE TO THE
WEST AT 5 TO 10 KNOTS.
.
OUTLOOK: SEE SIGMETS AND VAFTAD.
.
THE NEXT ADVISORY WILL BE ISSUED BY 18/0530Z.
.
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.
.
WALTER
.
NNNN"Attached Graphic Map Depicting Ash Only" 

""