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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2015 Jan 12 1221 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

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

	10cm flux	Ap
12 Jan 2015	154	008
13 Jan 2015	157	007
14 Jan 2015	160	007

Bulletin

NOAA ARs 2255 and 2257 have reached a beta-gamma-delta magnetic configuration and have potential for M-class flares, but only C-class flaring has been observed in the past 24h. The strongest flare was a C6.1 peaking at 04:32 UT, from NOAA AR 2260. ARs 2249 and 2250 are expected to turn into view in the coming 48h, with possible increases in activity. Solar wind speed is about 450 km/s with magnetic field intensity of 6 nT. Geomagnetic conditions are expected to be quiet to unsettled.

Today's estimated international sunspot number (ISN): 096, based on 06 stations.

Solar indices for 11 Jan 2015

Wolf number Catania	///
10cm solar flux	154
AK Chambon La Forêt	012
AK Wingst	011
Estimated Ap	010
Estimated international sunspot number	086 - Based on 17 stations

Noticeable events summary

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

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