:Issued: 2005 Nov 25 1256 UTC :Product: documentation at http://sidc.oma.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 51125 SIDC SOLAR BULLETIN 25 Nov 2005, 1241UT SIDC FORECAST (valid from 1230UT, 25 Nov 2005 until 27 Nov 2005) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 25 Nov 2005 10CM FLUX: 084 / AP: 008 PREDICTIONS FOR 26 Nov 2005 10CM FLUX: 080 / AP: 008 PREDICTIONS FOR 27 Nov 2005 10CM FLUX: 077 / AP: 007 COMMENT: The SIDC has issued an 'all quiet alert' meaning that in the next 24 hours we do not expect flares above B-level, no geomagnetic activity above K=4 and no proton fluxes above event threshold. For the somewhat further future it is relevant to note that a recurrent coronal hole has appeared on the Eastern solar limb. On its previous passage, it pushed the solar wind speed up to above 700 kms/s (Nov 4). Any geomagnetic consequence of this passage will however only come next week. SOLAR INDICES FOR 24 Nov 2005 SUNSPOT INDEX : 040 10CM SOLAR FLUX : 087 AK CHAMBON LA FORET : 016 AK WINGST : 014 ESTIMATED AP : 012 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. # #--------------------------------------------------------------------#