:Issued: 2005 Mar 20 1220 UTC :Product: documentation at http://sidc.oma.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 50320 SIDC SOLAR BULLETIN 20 Mar 2005, 1208UT SIDC FORECAST (valid from 1230UT, 20 Mar 2005 until 22 Mar 2005) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEOMAGNETISM : Active conditions expected (A>=20 or K=4) SOLAR PROTONS : Quiet PREDICTIONS FOR 20 Mar 2005 10CM FLUX: 089 / AP: 007 PREDICTIONS FOR 21 Mar 2005 10CM FLUX: 085 / AP: 009 PREDICTIONS FOR 22 Mar 2005 10CM FLUX: 084 / AP: 007 COMMENT: Flaring activity has increased, the C level was 4 times reached since yesterday morning (March 19). C-level activity is still possible, but the probability will decrease as group 41 (NOAA 0743) rotates over the westlimb. We have quiet geomagnetic conditions. Last rotation, Niemegk measured quiet conditions. We expect this conditions to persist. SOLAR INDICES FOR 19 Mar 2005 SUNSPOT INDEX : 049 10CM SOLAR FLUX : 093 AK CHAMBON LA FORET : 017 AK WINGST : /// ESTIMATED AP : 014 NOTICEABLE EVENTS SUMMARY DAY BEGIN MAX END LOC XRAY OP 10CM RADIO BURST TYPES Catania NOAA NOTE NONE END BT #--------------------------------------------------------------------# # Solar Influences Data analysis Center - RWC Belgium # # Royal Observatory of Belgium # # Fax : 32 (0) 2 373 0 224 # # Tel.: 32 (0) 2 373 0 491 # # # # For more information, see http://sidc.oma.be. Please do not reply # # directly to this message, but send comments and suggestions to # # 'sidctech@oma.be'. If you are unable to use that address, use # # 'rvdlinden@spd.aas.org' instead. # #--------------------------------------------------------------------#