:Issued: 2012 Feb 02 1238 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 20202 SIDC SOLAR BULLETIN 02 Feb 2012, 1221UT SIDC FORECAST (valid from 1230UT, 02 Feb 2012 until 04 Feb 2012) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Active conditions expected (A>=20 or K=4) SOLAR PROTONS : Quiet PREDICTIONS FOR 02 Feb 2012 10CM FLUX: 118 / AP: 007 PREDICTIONS FOR 03 Feb 2012 10CM FLUX: 119 / AP: 019 PREDICTIONS FOR 04 Feb 2012 10CM FLUX: 117 / AP: 011 COMMENT: No C flares were observed in the past 24 hours. Solar activity is expected to remain quiet within the next 24 hours, with a slight chance for a C flare. Geomagnetic conditions have been quiet and will probably stay quiet on February 2. On February 3 and 4, active geomagnetic levels are possible due to the arrival of an anticipated coronal hole high speed stream. TODAY'S ESTIMATED ISN : 042, BASED ON 10 STATIONS. SOLAR INDICES FOR 1 Feb 2012 WOLF NUMBER CATANIA : /// 10CM SOLAR FLUX : 118 AK CHAMBON LA FORET : 009 AK WINGST : 005 ESTIMATED AP : 005 ESTIMATED ISN : 062, BASED ON 15 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 # #--------------------------------------------------------------------#