FVXX22 KWBC 050600 VOLCANIC ASH ADVISORY ISSUED: 2001JAN05/0600Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/6 . INFORMATION SOURCE: JANUARY 4 GEOPHYSICAL INSTITUTE REPORT. INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. AVIATION MODEL UPPER WIND FORECAST. . ERUPTION DETAILS: ASH OCCASIONALLY OBSERVED OVER THE SUMMIT . DETAILS OF ASH CLOUD: NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH 0515Z POSSIBLY DUE TO THE LOW WEATHER CLOUDS OVER THE AREA. THE LAST REPORT OF ASH CAME FROM THE GEOPHYSICAL INSTITUTE WHICH OBSERVED ASH OVER THE SUMMIT TO FL260 AT 04/2320Z. THE JANUARY 4 REPPORT FROM THE GEOPHYSICAL INSTITUTE NOTES A SLIGHT INCREASE IN VOLCANIC ACTIVITY DURING THE LAST TWO DAYS AND OCCASIONAL ASH EMISSIONS. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH BETWEEN THE SUMMIT AND FL260 WOULD MOVE TOWARD THE WEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE FOR THIS EVENT WILL BE ISSUED BY 05/1200Z. . 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