:Issued: 2012 May 08 1217 UTC :Product: documentation at http://www.sidc.be/products/meu #--------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC # # (RWC Belgium) # #--------------------------------------------------------------------# SIDC URSIGRAM 20508 SIDC SOLAR BULLETIN 08 May 2012, 1209UT SIDC FORECAST (valid from 1230UT, 08 May 2012 until 10 May 2012) SOLAR FLARES : Active (M-class flares expected, probability >= 50%) GEOMAGNETISM : Minor geomagnetic storm expected (A>=30 or K=5) SOLAR PROTONS : Quiet PREDICTIONS FOR 08 May 2012 10CM FLUX: 123 / AP: 025 PREDICTIONS FOR 09 May 2012 10CM FLUX: 125 / AP: 019 PREDICTIONS FOR 10 May 2012 10CM FLUX: 127 / AP: 007 COMMENT: Enhanced geomagnetic activity (minor storm) is still expected from the coronal hole crossing the central meridian. Last night an M-flare was triggered from NOAA 1471. More M-flaring activity remains possible in the coming days. TODAY'S ESTIMATED ISN : 057, BASED ON 09 STATIONS. SOLAR INDICES FOR 7 May 2012 WOLF NUMBER CATANIA : 150 10CM SOLAR FLUX : 122 AK CHAMBON LA FORET : 009 AK WINGST : 004 ESTIMATED AP : 003 ESTIMATED ISN : 055, BASED ON 19 STATIONS. NOTICEABLE EVENTS SUMMARY DAY BEGIN MAX END LOC XRAY OP 10CM RADIO BURST TYPES Catania NOAA NOTE 07 1403 1431 1452 S19W46 M1.9 1N 230 IV/1 1471 observed by PROBA2/SWAP 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 # #--------------------------------------------------------------------#