FVXX20 KWBC 131303 CCA VOLCANIC ASH ADVISORY - CORRECTION ISSUED: 2003JUN13/1230Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/078 INFORMATION SOURCE: GOES-12 IMAGERY. AVN MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. PILOT REPORT. ERUPTION DETAILS: ASH EMISSIONS STARTING AT 06/2000Z. OBS ASH DATE/TIME: 13/1215Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE DATA. WINDS SFC/FL260 MOVING W 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: CORRECTION TO UPDATE HEIGHT OF ASH TO FL260 BASED ON NEW PILOT REPORT AND SIGMET AT 1225Z...THE LATEST REPORT FROM THE GEOPHYSICAL INSTITUTE REPORTED ASH UP TO FL230 AT 1205Z. EARLY MORNING VISIBLE IMAGERY SHOWS QUITE A BIT OF HIGH LEVEL CIRRUS IN THE VICINITY OF THE VOLCANO. THERE ARE VISUAL INDICATIONS OF A POSSIBLE PLUME WEST OF THE SUMMIT WHICH MATCHES WELL WITH THE WINDS IN THE AREA...HOWEVER IT CANNOT BE DISCERNED THROUGH THE WEATHER CLOUDS. IF THE WEATHER CLOUDS BREAK AND A PLUME IS DETECTED...WILL UPDATE VAA EARLIER THAN SCHEDULED...GALLINA NEXT ADVISORY: WILL BE ISSUED BY 20003JUN13/1830Z. NNNN