FVXX20 KWBC 281855                                               
VOLCANIC ASH ADVISORY
ISSUED: 2001SEP28/1855Z  VAAC: WASHINGTON
.
VOLCANO: TUNGURAHUA  1502-08
LOCATION: 0128S 7826W    AREA: ECUADOR
.                             
SUMMIT ELEVATION: 16480 FT (5023 M)
.
ADVISORY NUMBER: 2001/281
.
INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. 
GUAYAQUIL METEOROLOGICAL WATCH OFFICE. GEOPHYSICAL INSTITUTE. SIX HOUR UPPER
WINDS FORECAST FROM 28/1200Z.
.
ERUPTION DETAILS: ASH REPORTED OVER THE VOLCANO AT 28/1451Z.
.
DETAILS OF ASH CLOUD: THE GUAYAQUIL MWO REPORTS ASH OVER THE SUMMIT AT
28/1451Z TO FL200.  SATELLITE IMAGERY THROUGH 28/1815Z SHOWS NO CURRENT
INDICATION OF ASH.  LOW AND MIDDLE LAYER CLOUDS ARE OBSCURING THE VOLCANO.
.                        
TRAJECTORY: UPPER PATTERNS SUGGEST THAT ANY ASH AT FL200 WOULD MOVE WESTWARD
AT 15 TO 20 KNOTS.
.
OUTLOOK:  SEE SIGMETS.
.
THE NEXT MESSAGE WILL BE ISSUED BY 0100Z.
.                                       
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