:Issued: 2010 Feb 11 1317 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 00211 SIDC SOLAR BULLETIN 11 Feb 2010, 1235UT SIDC FORECAST (valid from 1230UT, 11 Feb 2010 until 13 Feb 2010) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 11 Feb 2010 10CM FLUX: 091 / AP: 003 PREDICTIONS FOR 12 Feb 2010 10CM FLUX: 087 / AP: 003 PREDICTIONS FOR 13 Feb 2010 10CM FLUX: 085 / AP: 001 COMMENT: The plasma cloud associated with the M-flare of Feb 07 possibly arrived late Feb 10. This can be concluded from images taken by the heliospheric imagers onboard STEREO A and B. The influence is negligible: Kp reached only a maximum value of 2. We don't expect any disturbances in the next 48 hours. C-flares are probable. TODAY'S ESTIMATED ISN : 033, BASED ON 01 STATION. SOLAR INDICES FOR 10 Feb 2010 WOLF NUMBER CATANIA : 073 10CM SOLAR FLUX : 091 AK CHAMBON LA FORET : /// AK WINGST : 004 ESTIMATED AP : 003 ESTIMATED ISN : 037, BASED ON 12 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 # #--------------------------------------------------------------------#