:Issued: 2005 Aug 07 1248 UTC
:Product: documentation at http://sidc.oma.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 50807
SIDC SOLAR BULLETIN 07 Aug 2005, 1230UT
SIDC FORECAST (valid from 1230UT, 07 Aug 2005 until 09 Aug 2005)
SOLAR FLARES  : Eruptive (C-class flares expected, probability >= 50%)
GEOMAGNETISM  : Minor geomagnetic storm expected (A>=30 or K=5)
SOLAR PROTONS : Quiet
PREDICTIONS FOR 07 Aug 2005  10CM FLUX: 089 / AP: 027
PREDICTIONS FOR 08 Aug 2005  10CM FLUX: 084 / AP: 019
PREDICTIONS FOR 09 Aug 2005  10CM FLUX: 079 / AP: 011
COMMENT: The solar wind speed rose further to 650km/s, while the Bz N/S
component of the interplanetary magnetic field continues to fluctuate in
the range +/- 5 nT, but is predominantly negative. This has induced
unsettled to active geomagnetic conditions with temporary minor storms
recorded locally by ground magnetographs. This fast wind stream has now
started to decay slowly. The geomagnetic field is thus expected to
remain mostly active (Kp=4) over the next 24 hours. It will then become
progessively quieter over the next 2 days (Kp=2-3). No more significant
disturbance is expected from the Aug.5 CME: this slow event has
certainly merged into the faster stream now influencing the Earth. The
solar activity is low and only isolated C flares can still be expected
from the remaining active regions on the solar disc.

SOLAR INDICES FOR 6 Aug 2005
SUNSPOT INDEX       : 047
10CM SOLAR FLUX     : 093
AK CHAMBON LA FORET : 043
AK WINGST           : ///
ESTIMATED AP        : 033

NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX  END  LOC    XRAY OP  10CM RADIO BURST TYPES     Catania NOAA NOTE
NONE
END
BT
 
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