:Issued: 2012 Jan 04 1234 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 20104
SIDC SOLAR BULLETIN 04 Jan 2012, 1129UT
SIDC FORECAST (valid from 1230UT, 04 Jan 2012 until 06 Jan 2012)
SOLAR FLARES  : Eruptive (C-class flares expected, probability >= 50%)
GEOMAGNETISM  : Quiet (A<20 and K<4)
SOLAR PROTONS : Quiet
PREDICTIONS FOR 04 Jan 2012  10CM FLUX: 136 / AP: 009
PREDICTIONS FOR 05 Jan 2012  10CM FLUX: 137 / AP: 010
PREDICTIONS FOR 06 Jan 2012  10CM FLUX: 138 / AP: 025
COMMENT: The Sun has produced a C1.5 flare on January 4, peaking at
09:02 UT, which was accompanied by a filament eruption with center about
20N 20W. A C1.3 flare was also observed by GOES peaking at 11:06 UT on
January 4. Solar activity is expected to remain at C flare level, with a
slight chance for an M flare.

On January 4, the solar wind speed and IMF measured by ACE have
returned to about 350 km/s and 5 nT, respectively. Geomagnetic
conditions were quiet and will likely remain quiet before the second
part of January 6. Around that time, active conditions are possible with
a chance for a minor storm due to the expected effects of a high speed
wind stream associated with an equatorial coronal hole.

TODAY'S ESTIMATED ISN  : 078, BASED ON 09 STATIONS.

SOLAR INDICES FOR 3 Jan 2012
WOLF NUMBER CATANIA    : 158
10CM SOLAR FLUX        : 135
AK CHAMBON LA FORET    : 008
AK WINGST              : 008
ESTIMATED AP           : 008
ESTIMATED ISN          : 076, BASED ON 09 STATIONS.

NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX  END  LOC    XRAY OP  10CM RADIO BURST TYPES     Catania NOAA NOTE
NONE
END
BT
 
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