:Issued: 2007 Mar 30 1246 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 70330 SIDC SOLAR BULLETIN 30 Mar 2007, 1240UT SIDC FORECAST (valid from 1230UT, 30 Mar 2007 until 01 Apr 2007) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Active conditions expected (A>=20 or K=4) SOLAR PROTONS : Quiet PREDICTIONS FOR 30 Mar 2007 10CM FLUX: 074 / AP: 006 PREDICTIONS FOR 31 Mar 2007 10CM FLUX: 074 / AP: 016 PREDICTIONS FOR 01 Apr 2007 10CM FLUX: 073 / AP: 022 COMMENT: Flaring activity has increased slightly because of the appearance of sunspot group 30 (NOAA AR 0949). A southern coronal hole is visible in EIT images. We expect active conditions starting from late tomorrow. TODAY'S ESTIMATED ISN : 007, BASED ON 04 STATIONS. SOLAR INDICES FOR 29 Mar 2007 WOLF NUMBER CATANIA : /// 10CM SOLAR FLUX : /// AK CHAMBON LA FORET : 005 AK WINGST : 003 ESTIMATED AP : 003 ESTIMATED ISN : 008, 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. # # #--------------------------------------------------------------------#