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Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2013 Nov 08 1218 UTC

SIDC Forecast

Сонячні спалахи

Active (M-class flares expected, probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Сонячні протони

Warning condition (activity levels expected to increase, but no numeric forecast given)

	10cm flux	Ap
08 Nov 2013	153	009
09 Nov 2013	154	004
10 Nov 2013	154	009

Bulletin

Catania sunspot group 35 (NOAA AR 1890) keeps the beta-gamma-delta configuration of its photospheric magnetic field, although the delta-spot got somewhat weaker. Catania sunspot group 32 (NOAA AR 1891) is reported to have the beta-delta configuration of its photospheric magnetic field, although the delta-spot seems to lose its penumbra during the M2.3 flare peaking at 09:28 UT in this active region today. We expect flaring activity on the M-level from these two active regions. An X-class flare is possible in the Catania sunspot group 35 (NOAA AR 1890), but it is not very likely. Due to the position of this group close to the solar central meridian, we issue a warning condition for a proton event. The Earth is currently inside a slow (around 390 km/s) solar wind flow with average (around 5 nT) interplanetary magnetic field magnitude. The geomagnetic conditions are quiet and are expected to remain so in the coming hours.

Today's estimated international sunspot number (ISN): 105, based on 11 stations.

Solar indices for 07 Nov 2013

Wolf number Catania	194
10cm solar flux	148
AK Chambon La Forêt	018
AK Wingst	010
Estimated Ap	012
Estimated international sunspot number	111 - Based on 14 stations

Noticeable events summary

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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