SIDC URSIGRAM 30218 SIDC SOLAR BULLETIN 18 Feb 2003, 1220UT SIDC FORECAST (valid from 1230UT, 18 Feb 2003 until 20 Feb 2003) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Active conditions expected (A>=20 or K=4) SOLAR PROTONS : Quiet PREDICTIONS FOR 18 Feb 2003 10CM FLUX: 106 / AP: 020 PREDICTIONS FOR 19 Feb 2003 10CM FLUX: 102 / AP: 020 PREDICTIONS FOR 20 Feb 2003 10CM FLUX: 100 / AP: 017 COMMENT: The coronal hole effect continues to give active geomagnetic condition SOLAR INDICES FOR 17 Feb 2003 SUNSPOT INDEX : 015 10CM SOLAR FLUX : 112 AK CHAMBON LA FORET : 019 AK WINGST : 013 ESTIMATED AP : 013 NOTICEABLE EVENTS SUMMARY DAY BEGIN MAX END LOC XRAY OP 10CM TYPE Catania NOAA NOTE NONE END BT