:Issued: 2009 Dec 05 1225 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 91205
SIDC SOLAR BULLETIN 05 Dec 2009, 1214UT
SIDC FORECAST (valid from 1230UT, 05 Dec 2009 until 07 Dec 2009)
SOLAR FLARES  : Quiet conditions (<50% probability of C-class flares)
GEOMAGNETISM  : Quiet (A<20 and K<4)
SOLAR PROTONS : Quiet
PREDICTIONS FOR 05 Dec 2009  10CM FLUX: 072 / AP: 007
PREDICTIONS FOR 06 Dec 2009  10CM FLUX: 073 / AP: 006
PREDICTIONS FOR 07 Dec 2009  10CM FLUX: 074 / AP: 005
COMMENT: There is some enhanced activity coming up at the East limb of
the Sun. However, no sunspot was observed yet. We thus still expect low
solar activity. The solar wind is still in a very low regime, with
speeds as low as 230km/s over the last 24 hours. Still, the
interplanetary magnetic field strength increased over the last few hours
heralding the arrival of a weak fast stream linked to the small coronal
hole now seen in the Western side of the solar disk. We expect quiet to
unsettled geomagnetic conditions over the next 24 to 48 hours, with
possible short active intervals mainly in the first 24 hours.

TODAY'S ESTIMATED ISN  : 000, BASED ON 04 STATIONS.

SOLAR INDICES FOR 4 Dec 2009
WOLF NUMBER CATANIA    : ///
10CM SOLAR FLUX        : 072
AK CHAMBON LA FORET    : ///
AK WINGST              : 000
ESTIMATED AP           : 001
ESTIMATED ISN          : 000, 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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