FVXX21 KWBC 260800
.
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0800 UTC 26 OCTOBER 1999 BY THE WASHINGTON VAAC 
.
TUNGURAHUA 99-032       ECUADOR 1.47S 78.44W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL
IMAGERY..GEOPHYSICAL INSTITUTE AND NATIONAL WEATHER SERVICE
NUMERICAL MODELS  
.
ERUPTION DETAILS: CONTINUOUS VENTING OF ASH AND STEAM.
.
DETAILS OF ASH: GOES-8 SATELLITE IMAGERY THROUGH 26/0715 UTC DOES
NOT SHOW ANY ASH SIGNATURES.  THE LAST VISIBLE IMAGE OF THE DAY
(25/2215 UTC) DID HAVE A THIN PLUME EXTENDING SOUTH SOUTHWEST OF THE
VOLCANO.

THE QUITO GEOPHYSICAL INSTITUTE THROUGH THE GUAYAQUIL MWO REPORTS
ASH FROM THE VOLCANO AT FL200 MOVING TOWARD THE SOUTHWEST AT 10KT
FROM THE VOLCANO.
. 
TRAJECTORY: NATIONAL WEATHER SERVICE NUMERICAL METEOROLOGICAL MODELS
PREDICT THAT ANY ASH AT FL200 WOULD MOVE TOWARD THE SOUTHWEST AT 10-15KT. 
.
REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS 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/)
.
OUTLOOK:  SEE SIGMETS.
.
THE NEXT STATEMENT WILL BE ISSUED AROUND 26/1400 UTC.
.
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
SCHWARTZ

NNNN