:Issued: 2012 Jan 24 1246 UTC
:Product: documentation at http://www.sidc.be/products/meu
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# DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC     #
# (RWC Belgium)                                                      #
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SIDC URSIGRAM 20124
SIDC SOLAR BULLETIN 24 Jan 2012, 1228UT
SIDC FORECAST (valid from 1230UT, 24 Jan 2012 until 26 Jan 2012)
SOLAR FLARES  : Active (M-class flares expected, probability >= 50%)
GEOMAGNETISM  : Minor geomagnetic storm expected (A>=30 or K=5)
SOLAR PROTONS : Proton event in progress (>10 MeV)
PREDICTIONS FOR 24 Jan 2012  10CM FLUX: 140 / AP: 026
PREDICTIONS FOR 25 Jan 2012  10CM FLUX: 140 / AP: 021
PREDICTIONS FOR 26 Jan 2012  10CM FLUX: 135 / AP: 017
COMMENT: Solar activity is expected to remain active during the next 48
hours, with risks of M class flares from NOAA AR 1402. The proton event
linked to the M8.3 flare of Jan. 23 is still in progress for protons at
energies above 10 MeV, and marginally in progress for the > 50 MeV
protons. Geomagnetic activity is expected to reach minor storm levels by
the end of Jan. 24, due to the arrival of the halo CME of Jan. 23.
Current conditions as measured by ACE are quiet.






TODAY'S ESTIMATED ISN  : 044, BASED ON 04 STATIONS.

SOLAR INDICES FOR 23 Jan 2012
WOLF NUMBER CATANIA    : 149
10CM SOLAR FLUX        : 144
AK CHAMBON LA FORET    : 014
AK WINGST              : 008
ESTIMATED AP           : 008
ESTIMATED ISN          : 073, BASED ON 20 STATIONS.

NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX  END  LOC    XRAY OP  10CM RADIO BURST TYPES     Catania NOAA NOTE
23  0338  0359 0434 N28W21 M8.7 2B  5100 VII/2,IV/2                     21 1402                     
END
BT
 
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