:Issued: 2005 May 19 1305 UTC :Product: documentation at http://sidc.oma.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 50519 SIDC SOLAR BULLETIN 19 May 2005, 1232UT SIDC FORECAST (valid from 1230UT, 19 May 2005 until 21 May 2005) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 19 May 2005 10CM FLUX: 081 / AP: 009 PREDICTIONS FOR 20 May 2005 10CM FLUX: 079 / AP: 010 PREDICTIONS FOR 21 May 2005 10CM FLUX: 076 / AP: 010 COMMENT: Space weather is entering a more quiet phase. NOAA 0759 and NOAA 0763 have stopped flaring. NOAA 0759 will rotate behind the limb soon and NOAA 0763 has simplified in magnetic complexity. Geomagnetic conditions could still reach occasionally active levels due to upcoming weak/slow CMEs. SOLAR INDICES FOR 18 May 2005 SUNSPOT INDEX : 036 10CM SOLAR FLUX : 084 AK CHAMBON LA FORET : 013 AK WINGST : 010 ESTIMATED AP : 011 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. # #--------------------------------------------------------------------#