FVXX21 KWBC 231930
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1930 UTC 23 JAN 2000 BY THE WASHINGTON VAAC 
.
TUNGURAHUA 00-093         ECUADOR 0128S 7826W 
.
BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
.
SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL
IMAGERY...23/0000 UTC UPPER AIR DATA FROM THE GEOPHYSICAL
INSTITUTE...GUAYAQUIL MWO SIGMET REPORT...
.
ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM...
.
DETAILS OF ASH: SATELLITE IMAGERY AS OF 23/1745 UTC DOES NOT
INDICATE ANY ASH OR STEAM. THERE CONTINUES TO BE AN ABUNDANCE OF
CLOUDINESS FROM BROKEN AREAS OF SHOWERS AND THUNDERSTORMS WHICH IS
HEAVILY OBSCURING THE SUMMIT. HOWEVER THE LATEST REPORTS FROM THE
GUAYAQUIL MWO INDICATE THAT THERE IS SOME ASH BEING EMITTED FROM THE
SUMMIT. A SURFACE REPORT DID INDICATE ASH OVER THE SUMMIT AND A
MOVEMENT TO THE WEST. AT THIS TIME THE CURRENT ASH EMISSIONS ARE
LIKELY TO BE NEAR-SUMMIT AND REACH PERHAPS AS HIGH AS FL200.
.
TRAJECTORY: ANY ASH AND STEAM FROM THE SUMMIT TO FL200 SHOULD MOVE
TO THE WEST AT 20 TO 25 KNOTS.
.
OUTLOOK:  SEE SIGMETS.
.
THE NEXT STATEMENT WILL BE ISSUED BY 24/0130 UTC.
.
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/)
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
ORRISON
.
NNNN