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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2016 Feb 11 1231 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
11 Feb 2016	113	008
12 Feb 2016	114	005
13 Feb 2016	115	005

Bulletin

Five sunspot groups were reported by NOAA today. The strongest flare of the past 24 hours was the C1.3 flare peaking in the NOAA AR 2497 at 15:22 UT yesterday. This group maintains beta-gamma configuration of its photospheric magnetic field. We expect flaring activity on the C-level. The Earth is currently inside a slow (around 330 km/s) solar wind flow. The interplanetary magnetic field (IMF) magnitude is slightly elevated (around 6 nT). The IMF north-south component Bz is consistently southward since yesterday afternoon, but due to low solar wind speed the geomagnetic conditions are on the quiet to unsettled level. We do not expect the geomagnetic conditions to vary much, except if the solar wind speed will increase, in which case active geomagnetic conditions may be possible.

Today's estimated international sunspot number (ISN): 088, based on 14 stations.

Solar indices for 10 Feb 2016

Wolf number Catania	///
10cm solar flux	112
AK Chambon La Forêt	007
AK Wingst	006
Estimated Ap	004
Estimated international sunspot number	082 - Based on 18 stations

Noticeable events summary

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

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