:Issued: 2012 Apr 13 1222 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 20413
SIDC SOLAR BULLETIN 13 Apr 2012, 1215UT
SIDC FORECAST (valid from 1230UT, 13 Apr 2012 until 15 Apr 2012)
SOLAR FLARES  : Eruptive (C-class flares expected, probability >= 50%)
GEOMAGNETISM  : Active conditions expected (A>=20 or K=4)
SOLAR PROTONS : Quiet
PREDICTIONS FOR 13 Apr 2012  10CM FLUX: 095 / AP: 016
PREDICTIONS FOR 14 Apr 2012  10CM FLUX: 096 / AP: 007
PREDICTIONS FOR 15 Apr 2012  10CM FLUX: 099 / AP: 007
COMMENT: Solar activity has been very low, new region NOAA AR 1455 is
growing fast and has potential for C-class flares and low chances of
M-class flares. Geomagnetic conditions have reached minor storm periods
(both at Dourbes and at planetary levels) due to the fast speed stream
from a coronal hole. Conditions are expected to remain unsettled for the
next 24h (with possible active periods due to the high solar wind speeds
of ~700k m/s) and quiet after that.



TODAY'S ESTIMATED ISN  : 037, BASED ON 10 STATIONS.

SOLAR INDICES FOR 12 Apr 2012
WOLF NUMBER CATANIA    : 065
10CM SOLAR FLUX        : 095
AK CHAMBON LA FORET    : 038
AK WINGST              : 016
ESTIMATED AP           : 015
ESTIMATED ISN          : 039, BASED ON 21 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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