FVXX20 KNES 261530 VA ADVISORY DTG: 20130426/1530Z VAAC: WASHINGTON VOLCANO: SANGAY 1502-09 PSN: S0203 W07834 AREA: ECUADOR SUMMIT ELEV: 17158 FT (5230 M) ADVISORY NR: 2013/017 INFO SOURCE: GOES-13. GFS WINDS. SIGMET. ERUPTION DETAILS: BRIEF WEAK EMISSIONS AT 1200Z AND 1315Z. OBS VA DTG: 26/1415Z OBS VA CLD: SFC/FL250 2NM WID LINE BTN SO2O3 W07834 - S0215 W07846. MOV SW 05 KT. FCST VA CLD +6H: 26/2015Z SFC/FL250 NO ASH EXP. FCST VA CLD +12H: 27/O215Z NO ASH EXP. FCST VA CLD +18H: 27/0815Z NO ASH EXP. RMK: THERE HAVE BEEN A COUPLE WEAK ASH EMISSIONS THAT HAVE MOVED SW AND DISP WITH IN 11NM FROM SUMMIT. BECAUSE WE DON'T KNOW IF THERE WILL BE FURTHER EMISSIONS WE WILL UPDATE BUT CURRENT ASH DISPD QUICKLY. A HOTSPOT IS OBSERVED IN IR IMAGERY. NXT ADVISORY: WILL BE ISSUED BY 20130426/2015Z