:Issued: 2006 Jan 23 1306 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 60123 SIDC SOLAR BULLETIN 23 Jan 2006, 1245UT SIDC FORECAST (valid from 1230UT, 23 Jan 2006 until 25 Jan 2006) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEOMAGNETISM : Active conditions expected (A>=20 or K=4) SOLAR PROTONS : Quiet PREDICTIONS FOR 23 Jan 2006 10CM FLUX: 093 / AP: 020 PREDICTIONS FOR 24 Jan 2006 10CM FLUX: 093 / AP: 019 PREDICTIONS FOR 25 Jan 2006 10CM FLUX: 093 / AP: 012 COMMENT: The fast wind coming of the recurrent coronal hole that passed the central meridian on Jan 22, arrived at the L1 point. ACE measured a wind speed of 600 km/s. The Bz component of the IMF went down to -10nT. Active geomagnetic conditions are possible. Active Region 0848 produced several C-flares on Jan 22. More C-flaring activity is possible. TODAY'S ESTIMATED ISN : 032, BASED ON 01 STATION. SOLAR INDICES FOR 22 Jan 2006 WOLF NUMBER CATANIA : 056 10CM SOLAR FLUX : 093 AK CHAMBON LA FORET : 009 AK WINGST : 006 ESTIMATED AP : 006 ESTIMATED ISN : 031, 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 # # 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. # #--------------------------------------------------------------------#