FVXX21 KWBC 101525 VOLCANIC ASH ADVISORY ISSUED: 2001JAN10/1525Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S 7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2001/23 INFORMATION SOURCE: VISIBLE INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. GUAYAQUIL METEOROLOGICAL WATCH OFFICE SIGMET. GEOPHYSICAL INSTITUTE. 6 HOUR WIND FORECAST FROM 06Z AVIATION MODEL. . ERUPTION DETAILS: THE GEOPHYSICAL INSTITUTE REPORTS ASH OVER THE VOLCANO AT 10/1445Z. . DETAILS OF ASH CLOUD: THERE IS EXTENSIVE CLOUDINESS IN THE VICINITY OF THE VOLCANO WHICH IS MAKING DETECTION OF ANY ASH DIFFICULT IN SATELLITE IMAGERY. THE GEOPHYSICAL INSTITUTE REPORTS ASH OVER THE VOLCANO TO FL210 MOVING TO THE EAST. . TRAJECTORY: THE GEOPHYSICAL INSTITUTE REPORTS ASH MOVING TO THE EAST AND CLOUD MOTIONS CONFIRM THIS. HOWEVER MODEL FORECAST SOUNDINGS CONTAIN NO WINDS FROM THIS DIRECTION OVER THE AREA. IT IS ESTIMATED THAT WIND SPEEDS ARE LESS THAN 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 10/2130Z. . 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. . RUMINSKI/WALTER . NNNN