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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2016 May 01 1230 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

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

Sluneční protony

Quiet

	10cm flux	Ap
01 May 2016	094	014
02 May 2016	096	010
03 May 2016	098	007

Bulletin

Solar activity has been low, only one C-class flare in past 24 h: a C2.4 flare that peaked at 09:22 UT from NOAA AR 2539 (Catania 66 and 67). Six active regions are visible on the disk, three of them with beta magnetic field configuration and the rest with alpha magnetic field configuration of their photospheric field. C-class flaring is likely for the next 24 h.

Geomagnetic conditions have been quiet. Solar wind speed is at 375 km/s with interplanetary magnetic field magnitude of 10 nT. Active conditions (with isolated minor storm periods) are expected when the fast speed stream from a coronal hole arrives to the Earth later today.

Today's estimated international sunspot number (ISN): 085, based on 13 stations.

Solar indices for 30 Apr 2016

Wolf number Catania	///
10cm solar flux	094
AK Chambon La Forêt	014
AK Wingst	008
Estimated Ap	008
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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