:Issued: 2009 Apr 01 1213 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 90401 SIDC SOLAR BULLETIN 01 Apr 2009, 1154UT SIDC FORECAST (valid from 1230UT, 01 Apr 2009 until 03 Apr 2009) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 01 Apr 2009 10CM FLUX: 069 / AP: 001 PREDICTIONS FOR 02 Apr 2009 10CM FLUX: 069 / AP: 001 PREDICTIONS FOR 03 Apr 2009 10CM FLUX: 069 / AP: 001 COMMENT: No sunspots are visible on the solar disk. The solar wind is slow, with a wind speed around 360 km/s. No coronal holes are visible on the sun. The Kp index is 1. Solar and geomagnetic conditions remain quiet. TODAY'S ESTIMATED ISN : 000, BASED ON 14 STATIONS. SOLAR INDICES FOR 31 Mar 2009 WOLF NUMBER CATANIA : 000 10CM SOLAR FLUX : 071 AK CHAMBON LA FORET : /// AK WINGST : 004 ESTIMATED AP : 003 ESTIMATED ISN : 000, BASED ON 35 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 # #--------------------------------------------------------------------#