:Issued: 2012 Oct 17 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 21017
SIDC SOLAR BULLETIN 17 Oct 2012, 0716UT
SIDC FORECAST (valid from 1230UT, 17 Oct 2012 until 19 Oct 2012)
SOLAR FLARES  : Eruptive (C-class flares expected, probability >= 50%)
GEOMAGNETISM  : Quiet (A<20 and K<4)
SOLAR PROTONS : Quiet
PREDICTIONS FOR 17 Oct 2012  10CM FLUX: 141 / AP: 011
PREDICTIONS FOR 18 Oct 2012  10CM FLUX: 139 / AP: 007
PREDICTIONS FOR 19 Oct 2012  10CM FLUX: 143 / AP: 007
COMMENT: Solar activity has been eruptive during the past 24 hours,
featuring five C flares, especially from NOAA AR 11589 and 11593.
C-level flares are expected within the next 48 hours, with a slight
chance for an M flare.
A solar sector boundary crossing from positive to negative was observed
on October 16 at 15:06 UT. Geomagnetic activity was at quiet levels (K
Dourbes between 1 and 3; NOAA Kp between 1 and 2) during the past 24
hours. Quiet (K Dourbes < 4) geomagnetic activity is expected for
October 17, 18 and 19.



TODAY'S ESTIMATED ISN  : 070, BASED ON 05 STATIONS.

SOLAR INDICES FOR 16 Oct 2012
WOLF NUMBER CATANIA    : ///
10CM SOLAR FLUX        : 137
AK CHAMBON LA FORET    : 011
AK WINGST              : 006
ESTIMATED AP           : 006
ESTIMATED ISN          : 077, BASED ON 19 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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