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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2016 Apr 01 1230 UTC

SIDC Forecast

Sluneční erupce

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Minor storm expected (A>=30 or K=5)

Sluneční protony

Quiet

	10cm flux	Ap
01 Apr 2016	080	008
02 Apr 2016	079	034
03 Apr 2016	078	023

Bulletin

Solar flaring activity was limited to three B1 flares from NOAA 2526. No earth-directed coronal mass ejections (CMEs) have been observed over the last 2 days.

Quiet conditions are expected to continue.

Solar wind speed decreased from initial values near 450 km/s to values around 400 km/s by the end of the period. Bz varied between -3 and +3 nT. The interplanetary magnetic field was directed away from the Sun till about 08UT, then slightly towards between 08-12UT. Geomagnetic conditions were quiet.

Mostly quiet to unsettled geomagnetic conditions are expected until the arrival later today or tomorrow (2 April) of a sector boundary crossing and the co-rotating interaction region ahead of the wind stream of the small negative equatorial coronal hole. This may result in minor geomagnetic storming on 2 and 3 April, with a small chance on moderate storming on 2 April.

Today's estimated international sunspot number (ISN): 013, based on 17 stations.

Solar indices for 31 Mar 2016

Wolf number Catania	016
10cm solar flux	082
AK Chambon La Forêt	008
AK Wingst	006
Estimated Ap	006
Estimated international sunspot number	/// - Based on /// stations

Noticeable events summary

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

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