:Issued: 2008 Jan 29 1245 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 80129 SIDC SOLAR BULLETIN 29 Jan 2008, 1228UT SIDC FORECAST (valid from 1230UT, 29 Jan 2008 until 31 Jan 2008) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Quiet (A<20 and K<4) SOLAR PROTONS : Quiet PREDICTIONS FOR 29 Jan 2008 10CM FLUX: 072 / AP: 004 PREDICTIONS FOR 30 Jan 2008 10CM FLUX: 074 / AP: 001 PREDICTIONS FOR 31 Jan 2008 10CM FLUX: 078 / AP: 004 COMMENT: Solar activity is expected to be very low for the next 48 hours. A flux rope CME was spotted on the west limb on Jan. 28 around 19:54UT, with a very weak signature on the limb in EUV spectroheliograms. It is most likely a backside event. Geomagnetic activity is expected to be quiet for the next 48 hours. The all-quiet alert remains active. TODAY'S ESTIMATED ISN : 000, BASED ON 04 STATIONS. SOLAR INDICES FOR 28 Jan 2008 WOLF NUMBER CATANIA : 000 10CM SOLAR FLUX : 071 AK CHAMBON LA FORET : /// AK WINGST : 007 ESTIMATED AP : 005 ESTIMATED ISN : 000, BASED ON 13 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 # #--------------------------------------------------------------------#