:Issued: 2005 Dec 05 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 51205 SIDC SOLAR BULLETIN 05 Dec 2005, 1210UT SIDC FORECAST (valid from 1230UT, 05 Dec 2005 until 07 Dec 2005) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 05 Dec 2005 10CM FLUX: 092 / AP: 004 PREDICTIONS FOR 06 Dec 2005 10CM FLUX: 090 / AP: 010 PREDICTIONS FOR 07 Dec 2005 10CM FLUX: 088 / AP: 013 COMMENT: After the LDE C2.1 flare from yesterday, NOAA 0826 (Cat 70) seems to have weakened in flaring-activity. Solar conditions are overall quiet, as are the geomagnetic conditions. The solar wind speed decayed to 500 km/s. We expect quiet to unsetteled geomagnetic conditions for the next 48 hours. There is a possibility that a CME associated with the LDE of yesterday arrives at earth on December 7-8. SOLAR INDICES FOR 4 Dec 2005 SUNSPOT INDEX : 094 10CM SOLAR FLUX : 095 AK CHAMBON LA FORET : /// AK WINGST : 008 ESTIMATED AP : 007 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. # #--------------------------------------------------------------------#