:Issued: 2010 Mar 13 1223 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 00313 SIDC SOLAR BULLETIN 13 Mar 2010, 1214UT SIDC FORECAST (valid from 1230UT, 13 Mar 2010 until 15 Mar 2010) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 13 Mar 2010 10CM FLUX: 090 / AP: 002 PREDICTIONS FOR 14 Mar 2010 10CM FLUX: 088 / AP: 007 PREDICTIONS FOR 15 Mar 2010 10CM FLUX: 088 / AP: 007 COMMENT: Solar activity is low. NOAA AR 11054 is growing slowly and produced a C2.3 flare peaking at 18:27 UT on March 12. It is likely to produce more C flares with slight chances for M flares. NOAA AR 11055 is stable and not expected to produce big flares. A CME was detected by CACTUS at 05:54 UT directed towards the north east, it is not expected to be geoeffective. Geomagnetic conditions are quiet, with the solar win speed around 450 km/s and a magnetic field below 5 nT. No disturbances are expected. TODAY'S ESTIMATED ISN : 019, BASED ON 04 STATIONS. SOLAR INDICES FOR 12 Mar 2010 WOLF NUMBER CATANIA : /// 10CM SOLAR FLUX : 090 AK CHAMBON LA FORET : /// AK WINGST : 011 ESTIMATED AP : 010 ESTIMATED ISN : 024, BASED ON 08 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 # #--------------------------------------------------------------------#