:Issued: 2007 Feb 04 1231 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 70204 SIDC SOLAR BULLETIN 04 Feb 2007, 1216UT SIDC FORECAST (valid from 1230UT, 04 Feb 2007 until 06 Feb 2007) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 04 Feb 2007 10CM FLUX: 085 / AP: 004 PREDICTIONS FOR 05 Feb 2007 10CM FLUX: 084 / AP: 004 PREDICTIONS FOR 06 Feb 2007 10CM FLUX: 084 / AP: 006 COMMENT: Solar activity was extremely low during the last 24 hours. No flaring activity is expected from NOAA AR 0940 and NOAA AR 0941 for the next 48 hours. A new AR is appearing on the East limb, possibly the source of a slow narrow jet-like CME on February 3rd. No flare was reported. Geomagnetic activity was very low during the last 24 hours. The solar wind speed measured by ACE is about 350 km/s. Quiet conditions are expected for the next 48 hours. TODAY'S ESTIMATED ISN : 020, BASED ON 02 STATIONS. SOLAR INDICES FOR 3 Feb 2007 WOLF NUMBER CATANIA : 040 10CM SOLAR FLUX : 087 AK CHAMBON LA FORET : 005 AK WINGST : /// ESTIMATED AP : 004 ESTIMATED ISN : 023, BASED ON 10 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. # # #--------------------------------------------------------------------#