FVXX21 KWBC 072250 VOLCANIC ASH ADVISORY ISSUED: 2001JAN07/2250Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/15 . INFORMATION SOURCE: VISIBLE INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. GUAYAQUIL MWO. WIND FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: OCCASIONAL NEAR SUMMIT STEAM AND LIGHT ASH CLOUD. . DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTED ASH OVER THE VOLCANO AT 2150Z TO FL230 MOVING TO THE WEST NORTHWEST. NO ASH COULD BE DISCERNED IN SATELLITE IMAGERY THROUGH 2215Z PARTIALLY DUE TO THE SCATTERED CLOUDS IN THE AREA. . TRAJECTORY: ANY ASH FROM SUMMIT LEVEL TO FL230 IS FORECAST TO MOVE TOWARD THE WEST AT ABOUT 5 TO 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 08/0500Z. . 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. . CLARK . NNNN