:Issued: 2010 Feb 18 1259 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 00218 SIDC SOLAR BULLETIN 18 Feb 2010, 1247UT SIDC FORECAST (valid from 1230UT, 18 Feb 2010 until 20 Feb 2010) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 18 Feb 2010 10CM FLUX: 087 / AP: 003 PREDICTIONS FOR 19 Feb 2010 10CM FLUX: 087 / AP: 005 PREDICTIONS FOR 20 Feb 2010 10CM FLUX: 087 / AP: 001 COMMENT: Solar activity is low. NOAA AR 1045 that has been growing rapidly on the center of the solar disk, just below the equator, does show a potential for C-flares. The CACTus software detected a CME in LASCO images yesterday at 12:45 UT. It was not earth-directed. Geomagnetic conditions are expected to be quiet to unsettled in the coming days. TODAY'S ESTIMATED ISN : 019, BASED ON 04 STATIONS. SOLAR INDICES FOR 17 Feb 2010 WOLF NUMBER CATANIA : 058 10CM SOLAR FLUX : 087 AK CHAMBON LA FORET : /// AK WINGST : 009 ESTIMATED AP : 007 ESTIMATED ISN : 027, BASED ON 05 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 # #--------------------------------------------------------------------#