:Issued: 2007 Jan 18 1245 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 70118
SIDC SOLAR BULLETIN 18 Jan 2007, 1231UT
SIDC FORECAST (valid from 1230UT, 18 Jan 2007 until 20 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 18 Jan 2007  10CM FLUX: 077 / AP: 019
PREDICTIONS FOR 19 Jan 2007  10CM FLUX: 076 / AP: 019
PREDICTIONS FOR 20 Jan 2007  10CM FLUX: 076 / AP: 015
COMMENT: The very low solar activity is expected to continue over the
coming days. With a speed still at 650km/s, the fast solar wind stream
again triggered a temporary geomagnetic minor storm in various ground
locations late yesterday Jan.17, due to a small Southward rotation of
the interplanetary magnetic field. As long as the wind speed remains
high, which is expected to happen until Jan. 20, such occasional minor
storms remain possible, while the geomagnetic field should be
predominantly unsettled to active. After Jan. 20, the geomagnetism will
return to quieter conditions.

TODAY'S ESTIMATED ISN  : 019, BASED ON 02 STATIONS.

SOLAR INDICES FOR 17 Jan 2007
WOLF NUMBER CATANIA    : 017
10CM SOLAR FLUX        : 078
AK CHAMBON LA FORET    : 043
AK WINGST              : 029
ESTIMATED AP           : 030
ESTIMATED ISN          : 010, BASED ON 08 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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