FVXX21 KWBC 091100 VOLCANIC ASH ADVISORY ISSUED: 2001JAN09/1100Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/21 INFORMATION SOURCE: INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. GUAYAQUIL MWO SIGMET. UPPER LEVEL WIND FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL NEAR SUMMIT STEAM AND LIGHT ASH CLOUD. . DETAILS OF ASH CLOUD: NO ASH CAN BE DETECTED IN SATELLITE IMAGERY THROUGH 09/1015Z. LOW AND MID LEVEL CLOUDS COVER THE REGION AROUND THE VOLCANO MAKING ANY DETECTION OF ASH DIFFICULT. THE LAST TIME THE GEOPHYSICAL INSTITUTE REPORTED VOLCANIC ASH WAS AT 08/1730Z TO FL210. . TRAJECTORY: AVIATION MODEL WIND FORECAST SUGGESTS THAT ANY ASH FROM SUMMIT LEVEL TO FL210 WOULD MOVE TOWARD THE SOUTHWEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 09/1700Z. . REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES 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