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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2015 Jan 14 1235 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Active conditions expected (A>=20 or K=4)

Protoni solari

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

	10cm flux	Ap
14 Jan 2015	145	010
15 Jan 2015	143	010
16 Jan 2015	141	007

Bulletin

Solar activity was dominated by NOAA AR 2257 which is rotating over the west limb at present. It produced several C-class flares with the strongest being a C9.7 with peak at 03:47 UT. This region still has potential for M-class flares. Geomagnetic conditions are quiet, the solar wind speed is around 400 km/s with magnetic field intensities of 6 nT. Active conditions with isolated minor storm levels can be reached if the CME from Jan 12 arrives to the Earth.

Today's estimated international sunspot number (ISN): 059, based on 09 stations.

Solar indices for 13 Jan 2015

Wolf number Catania	135
10cm solar flux	145
AK Chambon La Forêt	014
AK Wingst	008
Estimated Ap	007
Estimated international sunspot number	075 - Based on 16 stations

Noticeable events summary

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

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