:Issued: 2007 Feb 01 1231 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 70201 SIDC SOLAR BULLETIN 01 Feb 2007, 1214UT SIDC FORECAST (valid from 1230UT, 01 Feb 2007 until 03 Feb 2007) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 01 Feb 2007 10CM FLUX: 091 / AP: 015 PREDICTIONS FOR 02 Feb 2007 10CM FLUX: 090 / AP: 011 PREDICTIONS FOR 03 Feb 2007 10CM FLUX: 089 / AP: 007 COMMENT: Solar activity was very low during the last 24 hours with B-class flares measured by the GOES satellite. Quiet conditions are expected for the next 48 hours with a slight risk for C-class flare from NOAA AR 0940. Geomagnetic activity was also low. The solar wind speed measured by ACE is about 600km/s and it is declining. It is expected that quiet conditions will prevail for the next 48 hours with minor chance of isolated unsettled conditions. TODAY'S ESTIMATED ISN : 022, BASED ON 03 STATIONS. SOLAR INDICES FOR 31 Jan 2007 WOLF NUMBER CATANIA : 042 10CM SOLAR FLUX : 089 AK CHAMBON LA FORET : 033 AK WINGST : /// ESTIMATED AP : 022 ESTIMATED ISN : 024, BASED ON 18 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. # # #--------------------------------------------------------------------#