FVXX22 KWBC 051200 VOLCANIC ASH ADVISORY ISSUED: 2001JAN05/1200Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/7 . 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 1115Z. ANY ASH MIGHT BE OBSCURED BY THE LOW WEATHER CLOUDS OVER THE AREA. THE LAST ASH REPORT CAME FROM THE GEOPHYSICAL INSTITUTE WHICH OBSERVED ASH OVER THE SUMMIT TO FL260 AT 04/2320Z. THE JANUARY 4 GEOPHYSICAL INSTITUTE REPORT NOTED 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 ABOUT 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 05/1800Z. . 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