:Issued: 2005 Jun 18 1149 UTC :Product: documentation at http://sidc.oma.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 50618 SIDC SOLAR BULLETIN 18 Jun 2005, 1138UT SIDC FORECAST (valid from 1230UT, 18 Jun 2005 until 20 Jun 2005) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEOMAGNETISM : Active conditions expected (A>=20 or K=4) SOLAR PROTONS : Quiet PREDICTIONS FOR 18 Jun 2005 10CM FLUX: 092 / AP: 012 PREDICTIONS FOR 19 Jun 2005 10CM FLUX: 094 / AP: 031 PREDICTIONS FOR 20 Jun 2005 10CM FLUX: 096 / AP: 008 COMMENT: The proton event associated with the long duration M4.0 flare of June 16 is over, since the >=10 MeV curve went under the threshold yesterday, June 17 around 17:00UT. We expect the CME associated with this event to induce active conditions, possibly from late June 18, early Jun 19 onwards. A new group at the eastlimb with Catania number 85 (NOAA 0780) induced new activity: it produced already flares reaching the C-level. SOLAR INDICES FOR 17 Jun 2005 SUNSPOT INDEX : 075 10CM SOLAR FLUX : 091 AK CHAMBON LA FORET : 022 AK WINGST : /// ESTIMATED AP : 016 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.oma.be. 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. # #--------------------------------------------------------------------#