SIDC URSIGRAM 31225 SIDC SOLAR BULLETIN 25 Dec 2003, 1315UT SIDC FORECAST (valid from 1230UT, 25 Dec 2003 until 27 Dec 2003) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 25 Dec 2003 10CM FLUX: 136 / AP: 007 PREDICTIONS FOR 26 Dec 2003 10CM FLUX: 133 / AP: 008 PREDICTIONS FOR 27 Dec 2003 10CM FLUX: 130 / AP: 010 COMMENT: The geomagnetic conditions will probably remain quiet. SOLAR INDICES FOR 24 Dec 2003 SUNSPOT INDEX : 105 10CM SOLAR FLUX : 139 AK CHAMBON LA FORET : 012 AK WINGST : 009 ESTIMATED AP : 007 NOTICEABLE EVENTS SUMMARY DAY BEGIN MAX END LOC XRAY OP 10CM TYPE Catania NOAA NOTE NONE END BT