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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2014 Apr 14 1244 UTC

SIDC Forecast

Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

	10cm flux	Ap
14 Apr 2014	140	006
15 Apr 2014	145	005
16 Apr 2014	150	004

Bulletin

Six sunspot groups are reported by NOAA today. The most active of them is NOAA AR 2036 (no Catania number yet) that produced five low C-class flares today. However, the strongest flares of today (C7.5 peaking at 04:38 UT and C5.2 peaking at 08:00 UT) are produced by a still unnumbered sunspot group that just appeared from behind the south-east solar limb. We expect further flaring activity on the C-level from these two groups, with a good chance for an M-class event in the active region at the south-east limb. The Earth is currently inside a slow (around 380 km/s) solar wind flow with average (5-6 nT) interplanetary magnetic field magnitude. The geomagnetic conditions are quiet and are expected to remain so.

Today's estimated international sunspot number (ISN): 080, based on 17 stations.

Solar indices for 13 Apr 2014

Wolf number Catania	///
10cm solar flux	137
AK Chambon La Forêt	014
AK Wingst	018
Estimated Ap	016
Estimated international sunspot number	055 - Based on 21 stations

Noticeable events summary

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

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