FVXX21 KWBC 241330 VOLCANIC ASH ADVISORY STATEMENT-NEXT STATEMENT BY 1930 UTC ISSUED 1330 UTC 24 JAN 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-096 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY...REPORT FROM THE GEOPHYSICAL INSTITUTE...GUAYAQUIL MWO SIGMET... . ERUPTION DETAILS: OCCASIONAL EMISSIONS OF ASH AND STEAM. . DETAILS OF ASH: THE LATEST REPORT FROM THE GUAYAQUIL MWO INDICATES THAT THERE HAVE BEEN SOME ASH EMISSIONS THIS MORNING FROM THE SUMMIT OF TUNGURAHUA. TWO AIRCRAFT REPORTS HAVE JUST INDICATED ASH AT FL250 MOVING TO THE SOUTHWEST. . GIVING SUPPORT TO THE AIRCRAFT REPORTS ARE THE LATEST SATELLITE IMAGES THROUGH 24/1245 UTC WHICH SUGGEST A POSSIBLE ASH PLUME LEAVING THE SUMMIT. THERE IS AN EXTENSIVE AMOUNT OF CLOUD DEBRIS FROM NEARBY SHOWERS AND THUNDERSTORMS WHICH IS COMPLICATING THE ASH DETECTION BUT THE MULTISPECTRAL IMAGES DO HINT OF ASH BEING PRESENT WITH A SOUTHWEST MOVEMENT AS REPORTED BY THE AIRCRAFT. AND SO THE ASH IS LIKELY EMBEDDED WITHIN THESE CLOUD DECKS. EXTREME CAUTION IS ADVISED. . TRAJECTORY: SOUTHWEST AT 20 TO 25 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 24/1930 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