:Issued: 2007 Jan 24 1221 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 70124 SIDC SOLAR BULLETIN 24 Jan 2007, 1200UT SIDC FORECAST (valid from 1230UT, 24 Jan 2007 until 26 Jan 2007) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 24 Jan 2007 10CM FLUX: 079 / AP: 001 PREDICTIONS FOR 25 Jan 2007 10CM FLUX: 078 / AP: 001 PREDICTIONS FOR 26 Jan 2007 10CM FLUX: 076 / AP: 003 COMMENT: Solar activity is now quiet, although an isolated C-flare is possible from the Catania sunspot group 16 (NOAA AR 0939). A quiescent filament to the east of this sunspot group has disappeared around noon yesterday. No CME was reported in association with this event. The Earth is currently inside the slow solar wind flow, so the geomagnetic conditions are expected to remain quiet. TODAY'S ESTIMATED ISN : 014, BASED ON 04 STATIONS. SOLAR INDICES FOR 23 Jan 2007 WOLF NUMBER CATANIA : 037 10CM SOLAR FLUX : 079 AK CHAMBON LA FORET : 006 AK WINGST : /// ESTIMATED AP : 003 ESTIMATED ISN : 011, BASED ON 05 STATIONS. 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.be/products/meu. # # 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. # # #--------------------------------------------------------------------#