:Issued: 2009 Jun 28 1249 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 90628 SIDC SOLAR BULLETIN 28 Jun 2009, 1242UT SIDC FORECAST (valid from 1230UT, 28 Jun 2009 until 30 Jun 2009) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Active conditions expected (A>=20 or K=4) SOLAR PROTONS : Quiet PREDICTIONS FOR 28 Jun 2009 10CM FLUX: 067 / AP: 014 PREDICTIONS FOR 29 Jun 2009 10CM FLUX: 067 / AP: 021 PREDICTIONS FOR 30 Jun 2009 10CM FLUX: 067 / AP: 005 COMMENT: The corotating interaction region associated with the coronal hole now at a geoeffective position has arrived. The Bz-component was mainly positive. The influence on the Earth magnetic field was therefore minor. Active conditions might be however possible. TODAY'S ESTIMATED ISN : 000, BASED ON 12 STATIONS. SOLAR INDICES FOR 27 Jun 2009 WOLF NUMBER CATANIA : 000 10CM SOLAR FLUX : 067 AK CHAMBON LA FORET : /// AK WINGST : 006 ESTIMATED AP : 006 ESTIMATED ISN : 000, BASED ON 22 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 # #--------------------------------------------------------------------#