:Issued: 2012 Apr 08 1235 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 20408
SIDC SOLAR BULLETIN 08 Apr 2012, 1222UT
SIDC FORECAST (valid from 1230UT, 08 Apr 2012 until 10 Apr 2012)
SOLAR FLARES  : Eruptive (C-class flares expected, probability >= 50%)
GEOMAGNETISM  : Quiet (A<20 and K<4)
SOLAR PROTONS : Quiet
PREDICTIONS FOR 08 Apr 2012  10CM FLUX: 099 / AP: 008
PREDICTIONS FOR 09 Apr 2012  10CM FLUX: 098 / AP: 007
PREDICTIONS FOR 10 Apr 2012  10CM FLUX: 098 / AP: 007
COMMENT: Solar activity is low, there was a C2.4 flare from NOAA AR
1452 with peak at 17:08 UT on April 7. More C-class flares can be
expected. A long duration B-class flare from NOAA AR 1451 was related to
a a filament eruption that led to a CME, the bulk of the CME is directed
to the west but there are small chances of a glancing blow encounter
with the Earth on April 11, with low geoeffectivenes. In the next 24h,
the CME from April 5 is expected to arrive at the Earth, with possible
active geomagnetic conditions.



TODAY'S ESTIMATED ISN  : 016, BASED ON 09 STATIONS.

SOLAR INDICES FOR 7 Apr 2012
WOLF NUMBER CATANIA    : 034
10CM SOLAR FLUX        : 099
AK CHAMBON LA FORET    : 012
AK WINGST              : 010
ESTIMATED AP           : 011
ESTIMATED ISN          : 019, BASED ON 10 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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