FVXX20 KWBC 120015 VOLCANIC ASH ADVISORY ISSUED: 2001JUL12/0015Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/107. . INFORMATION SOURCE: GOES-8 MULTISPECTRAL AND INFRARED SATELLITE IMAGERY. GUAYAQUIL METEOROLOGICAL WATCH OFFICE. GEOPHYSICAL INSTITUTE. SIX HOUR WIND FORECAST FROM THE 11/1800Z AVIATION MODEL. . ERUPTION DETAILS: EXHALATION AT 2231Z. . DETAILS OF ASH CLOUD: A SIGMET FROM THE GUAYAQUIL METEOROLOGICAL WATCH OFFICE INDICATES VOLCANIC ASH OVER THE VOLCANO AND UP TO FL270. THIS ASH IS REPORTED MOVING WEST TO NORTHWEST. SATELLITE IMAGERY THROUGH 2315Z SHOWS NO INDICATION OF ASH. THERE ARE HOWEVER MULTILAYER CLOUDS WHICH MAY BE OBSCURING ASH. . TRAJECTORY: ASH UP TO FL270 WILL MOVE WESTERLY AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE ONLY MESSAGE FOR THIS EVENT UNLESS NEW INFORMATION BECOMES AVAILABLE. . 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