FVXX20 KWBC 212349 CCA VOLCANIC ASH ADVISORY - CORRECTION ISSUED: 2003OCT21/2300Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/396 INFORMATION SOURCE: GOES-12 IMAGERY. ERUPTION DETAILS: CONTINUED ASH AND STEAM EXHALATIONS. OBS ASH DATE/TIME: 21/2315Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING W 15-20 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: CORRECTED TO CONTINUE ADVISORIES BASED ON AIRCRAFT AND SURFACE OBSERVATIONS. STATION OBSERVATIONS AT 2300Z AND A PIREP AT 2326Z INDICATED ASH TO FL230. NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 2315Z HOWEVER A HOT SPOT WAS SEEN IN THE 2245Z IMAGE. TURK NEXT ADVISORY: WILL BE ISSUED BY 2003OCT22/0500Z. NNNN