FVXX21 KWBC 191715 VOLCANIC ASH ADVISORY STATEMENT...CORRECTION ISSUED 1715 UTC 19 FEB 2000 BY THE WASHINGTON VAAC . CORRECTION TO MESSAGE NUMBER FROM 214 TO 213 . TUNGURAHUA 00-213 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: THE GEOPHYSICAL INSTITUTE IN QUITO. GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. 6 HOUR WIND FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: A CONTINUOUS PLUME OF GASES WITH PERIODIC ERUPTION OF ASH. . DETAILS OF ASH: THE GEOPHYSICAL INSTITUTE REPORTS THAT ACTIVITY HAS RETURNED TO A MORE STEADY STATE WITH ANY ACTIVITY ONLY SLIGHTLY ABOVE SUMMIT HEIGHT OR BELOW FL180. CURRENT SATELLITE IMAGERY SHOWS THICK CLOUDS OVER THE REGION AND THE SUMMIT CAN NOT BE SEEN FROM THE GROUND EITHER. NO ASH IS DETECTED DOWNSTREAM IN THE FORECASTED AREA FROM THE PREVIOUS ERUPTION AT 0244 UTC. . TRAJECTORY: ANY ASH AROUND FL180 WILL MOVE WEST AROUND 15 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED BY 19/2300 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. . NNNN