:Issued: 2009 Jan 31 1254 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 90131 SIDC SOLAR BULLETIN 31 Jan 2009, 1247UT SIDC FORECAST (valid from 1230UT, 31 Jan 2009 until 02 Feb 2009) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 31 Jan 2009 10CM FLUX: 069 / AP: 004 PREDICTIONS FOR 01 Feb 2009 10CM FLUX: 069 / AP: 004 PREDICTIONS FOR 02 Feb 2009 10CM FLUX: 069 / AP: 003 COMMENT: The solar wind speed peaked at 480km/s around 8:00UT today, Jan. 31. However, we do not expect any significant effect on the magnetosphere and the geomagnetic field should remain quiet to unsettled. There is no activity on the Sun. TODAY'S ESTIMATED ISN : 000, BASED ON 16 STATIONS. SOLAR INDICES FOR 30 Jan 2009 WOLF NUMBER CATANIA : 000 10CM SOLAR FLUX : 069 AK CHAMBON LA FORET : /// AK WINGST : 005 ESTIMATED AP : 004 ESTIMATED ISN : 000, BASED ON 17 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. # # To unsubscribe, visit http://sidc.be/registration/unsub.php # #--------------------------------------------------------------------#