SIDC URSIGRAM 30113 SIDC SOLAR BULLETIN 13 Jan 2003, 1400UT SIDC FORECAST (valid from 1230UT, 13 Jan 2003 until 15 Jan 2003) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 13 Jan 2003 10CM FLUX: 176 / AP: 007 PREDICTIONS FOR 14 Jan 2003 10CM FLUX: 173 / AP: 006 PREDICTIONS FOR 15 Jan 2003 10CM FLUX: 171 / AP: 007 COMMENT: Quiet to unsettled geomagnetic conditions are expected for the next days, as the solar wind has now settled at a low speed of 380km/s with largely positive Bz. Only a few C flares are expected from the active regions now on the near side of the Sun. SOLAR INDICES FOR 12 Jan 2003 SUNSPOT INDEX : 156 10CM SOLAR FLUX : 173 AK CHAMBON LA FORET : 013 AK WINGST : 008 ESTIMATED AP : 008 NOTICEABLE EVENTS SUMMARY DAY BEGIN MAX END LOC XRAY OP 10CM TYPE Catania NOAA NOTE NONE END BT