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Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2014 Apr 15 1252 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

Quiet (A<20 and K<4)

Сонячні протони

Quiet

	10cm flux	Ap
15 Apr 2014	155	006
16 Apr 2014	160	005
17 Apr 2014	163	004

Bulletin

Nine sunspot groups were reported by Catania today. Catania sunspot group 25 (NOAA AR 2036) was responsible for the most of the flaring activity during the past 24 hours. The strongest flare of this period, however, was produced by the Catania sunspot group 24 (NOAA AR 2035) that showed rapid magnetic flux emergence in the past several hours: the C8.6 flare peaking at 09:23 UT. We expect further flaring activity on the C-level from these two active regions, with a good chance for an M-class event. The Earth is currently inside a slow (around 350 km/s) solar wind flow with weak (2-3 nT) interplanetary magnetic field magnitude. The geomagnetic conditions are quiet and are expected to remain so.

Today's estimated international sunspot number (ISN): 102, based on 22 stations.

Solar indices for 14 Apr 2014

Wolf number Catania	///
10cm solar flux	150
AK Chambon La Forêt	009
AK Wingst	007
Estimated Ap	007
Estimated international sunspot number	081 - Based on 22 stations

Noticeable events summary

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

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