FVXX20 KWBC 171030 VOLCANIC ASH ADVISORY ISSUED: 2002MAR17/1030Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S07826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/153 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET . ERUPTION DETAILS: ONGOING ASH EMISSIONS. . OBS ASH DATE/TIME: 17/0345Z . OBS ASH CLOUD: SFC/FL230 3 NM WIDE LINE OF ASH EXTENDING BETWEEN SUMMIT AND 0124S07829W. ASH IS MOVING NORTHWEST AT 5 TO 10 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH EMISSIONS OBSERVED IN SATELLITE IMAGERY FROM TIME OF ORIGINAL EMISSION AT 16/2121Z THROUGH 17/0845Z. SMALL AMOUNT OF NEW ASH VISIBLE IN 17/0945Z IMAGE. ASH IS WITHIN 5 NM OF THE SUMMIT. INTERMITTENT HOT SPOT ACTIVITY CONTINUES. . NEXT ADVISORY: WILL BE ISSUED BY 2002MAR17/1630Z. . NNNN