:Issued: 2012 Feb 18 1244 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 20218 SIDC SOLAR BULLETIN 18 Feb 2012, 1236UT SIDC FORECAST (valid from 1230UT, 18 Feb 2012 until 20 Feb 2012) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 18 Feb 2012 10CM FLUX: 104 / AP: 009 PREDICTIONS FOR 19 Feb 2012 10CM FLUX: 105 / AP: 012 PREDICTIONS FOR 20 Feb 2012 10CM FLUX: 106 / AP: 007 COMMENT: The Sun's flaring is expected to remain very low with a small chance for a C-flare. Geomagnetic conditions can turn to unsettled levels later today due to the arrival of a coronal hole wind stream. TODAY'S ESTIMATED ISN : 033, BASED ON 03 STATIONS. SOLAR INDICES FOR 17 Feb 2012 WOLF NUMBER CATANIA : 052 10CM SOLAR FLUX : 104 AK CHAMBON LA FORET : 003 AK WINGST : 001 ESTIMATED AP : 001 ESTIMATED ISN : 032, BASED ON 09 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 # #--------------------------------------------------------------------#