FVXX20 KNES 130115 CCA VOLCANIC ASH ADVISORY -CORRECTION ISSUED: 20070613/0114Z VAAC: WASHINGTON VOLCANO: MASAYA 1404-10 LOCATION: N1158 W08609 AREA: NICARAGUA SUMMIT ELEVATION: 2083 FT (635 M) ADVISORY NUMBER: 2007/004 INFORMATION SOURCE: GOES-12. GFS WINDS. AFWA ERUPTION DETAILS: UNKNOWN EMISSIONS OBS ASH DATE/TIME: 12/2315Z OBS ASH CLOUD: SFC/FL060 N1159 W08610 - N1158 W08609 - N1126 W08734 - N1147 W08738 - N1155 W08700 - N1156 W08638 - N1159 W08610 MOVING W 0-5 KNOTS. FCST ASH CLOUD +6H: 13/0530Z NO ASH EXP. FCST ASH CLOUD +12H: 13/1130Z NO ASH EXP. FCST ASH CLOUD +18H: 13/1730Z NO ASH EXP. REMARKS: A DIFINATIVE VOLCANIC PLUME OF UNKNOWN COMPOSITION IS BEING EMITTED FROM MASAYA. IT IS MOST LIKELY OF VERY LOW ASH CONTENT BUT MAINLY STEAM AND GASES...SINCE IT HAS BECOME APPARENT WITH THE LOW SUN ANGLE AND MULTISPECTRUAL TECHNIQUES NOT PICKING UP AN ASH SIGNATURE... THIS WILL BE ONE TIME MESSAGE UNLESS NEW ASH INFORMATION BECOMES AVAILABLE. ...GALLINA NEXT ADVISORY: NO FURTHER ADVISORIES