FVXX20 KWBC 232230 VOLCANIC ASH ADVISORY ISSUED: 2001MAR23/2230 VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/42 . INFORMATION SOURCE: GOES-8 VISIBLE AND INFRARED AND MULTISPECTRAL IMAGERY. GEOPHYSICAL INSTITUTE IN QUITO. 12 HOUR WIND FORECAST FROM THE 23/1200Z AVIATION MODEL. . ERUPTION DETAILS: VOLCANIC ASH CLOUD AT 23/1530Z. . DETAILS OF ASH CLOUD: THE GEOPHYSICAL INSTITUTE REPORTS THERE WAS A BRIEF ASH EMISSION FROM THE VOLCANO AT 23/1530Z TO FL290. CURRENTLY ASH IS NOT SEEN IN THE SATELLITE IMAGERY THROUGH 23/2145Z. . TRAJECTORY: ASH AT FL290 WILL MOVE TOWARDS THE WEST NORTHWEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED AT 24/0430Z. . 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. . WALTER . NNNN