FVXX21 KWBC 191130
.
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1130 UTC 19 NOV 1999 BY THE WASHINGTON VAAC 
.
TUNGURAHUA 99-139         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.
UPPER-AIR DATA AND REPORTS FROM THE GEOFISICO INSTITUTO. 
.
ERUPTION DETAILS: CONTINUOUS STEAM AND ASH EMISSIONS.
.
DETAILS OF ASH: CLOUDINESS OVER THE AREA MAKES ANY ASH DETECTION
DIFFICULT. MULTISPECTRAL IMAGERY THRU 1045 UTC DOES NOT SHOW ANY ASH
BEING EMITTED FROM THE VOLCANO ABOVE THE METEOROLOGICAL CLOUDS.
.
TRAJECTORY: ANY ASH BELOW FL250 WILL MOVE WEST AT 10 KNOTS AND 
BETWEEN FL250 AND FL350 WILL MOVE WEST SOUTHWEST BETWEEN 15 AND 25
KNOTS.
.
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 AND VAFTAD.
.
THE NEXT STATEMENT WILL BE ISSUED BY 19/1730 UTC.
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
NNNN