:Issued: 2007 Jan 15 1228 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 70115
SIDC SOLAR BULLETIN 15 Jan 2007, 1211UT
SIDC FORECAST (valid from 1230UT, 15 Jan 2007 until 17 Jan 2007)
SOLAR FLARES  : Quiet conditions (<50% probability of C-class flares)
GEOMAGNETISM  : Minor geomagnetic storm expected (A>=30 or K=5)
SOLAR PROTONS : Quiet
PREDICTIONS FOR 15 Jan 2007  10CM FLUX: 081 / AP: 016
PREDICTIONS FOR 16 Jan 2007  10CM FLUX: 080 / AP: 027
PREDICTIONS FOR 17 Jan 2007  10CM FLUX: 079 / AP: 022
COMMENT: A single small sunspot group is observed on the solar disk. It
can produce isolated C flares, but the solar activity is expected to
remain low overall. The solar wind speed has started to increase (now
450km/s) with the entrance of the Earth into a recurrent fast solar wind
stream. The stream must still reach its maximum speed. In response, the
geomagnetic field will become unsettled to active in the coming hours
and a minor geomagnetic storm may occur mainly tomorrow and on the day
after tommorrow. The geomagnetic activity will remain elevated for at
least 3 to 5 days given the wide longitudinal extend of the coronal hole
where the stream finds its source.



TODAY'S ESTIMATED ISN  : 013, BASED ON 08 STATIONS.

SOLAR INDICES FOR 14 Jan 2007
WOLF NUMBER CATANIA    : ///
10CM SOLAR FLUX        : 082
AK CHAMBON LA FORET    : 010
AK WINGST              : 005
ESTIMATED AP           : 004
ESTIMATED ISN          : 015, 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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