:Issued: 2012 Feb 08 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 20208 SIDC SOLAR BULLETIN 08 Feb 2012, 1232UT SIDC FORECAST (valid from 1230UT, 08 Feb 2012 until 10 Feb 2012) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEOMAGNETISM : Active conditions expected (A>=20 or K=4) SOLAR PROTONS : Quiet PREDICTIONS FOR 08 Feb 2012 10CM FLUX: 106 / AP: 015 PREDICTIONS FOR 09 Feb 2012 10CM FLUX: 104 / AP: 014 PREDICTIONS FOR 10 Feb 2012 10CM FLUX: 100 / AP: 015 COMMENT: NOAA AR 1410 continues to produce C-class flares as it rotates over the west limb, with a long duration C6.8 event peaking at 22:19 UT. The activity is expected to decrease in the next 24h. Geomagnetic conditions have ranged from quiet to active due to relatively high solar wind speeds (~500 km/s) and long lasting negative Bz. More active conditions can be expected for the next 48h. TODAY'S ESTIMATED ISN : 009, BASED ON 11 STATIONS. SOLAR INDICES FOR 7 Feb 2012 WOLF NUMBER CATANIA : /// 10CM SOLAR FLUX : 107 AK CHAMBON LA FORET : 035 AK WINGST : 020 ESTIMATED AP : 020 ESTIMATED ISN : 024, BASED ON 14 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 # #--------------------------------------------------------------------#