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Daily bulletin on solar and geomagnetic activity from the SIDC

Существующий: 2018 Feb 03 1230 UTC

SIDC Forecast

Солнечные вспышки

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

Geomagnetism

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

Солнечные протоны

Quiet

	10cm flux	Ap
03 Feb 2018	069	007
04 Feb 2018	070	013
05 Feb 2018	072	007

Bulletin

Solar activity was low, no C-class flares in past 24 h. NOAA 2698 rotated over the east limb with simple alpha magnetic field configuration, no significant flares are expected in the coming hours.

Proton flux levels are at background values and are expected to remain so. No Earth-directed CMEs were observed.

Solar wind speed is at 330 km/s with interplanetary magnetic field magnitude of 3 nT. Geomagnetic conditions have been quiet. The northern polar coronal hole as a low latitude extension (reaching up to 20 degrees north) that could affect the Earth in 24 h (but it might as well miss it), active conditions can be expected then.

Today's estimated international sunspot number (ISN): 000, based on 11 stations.

Solar indices for 02 Feb 2018

Wolf number Catania	///
10cm solar flux	069
AK Chambon La Forêt	005
AK Wingst	003
Estimated Ap	002
Estimated international sunspot number	000 - Based on 16 stations

Noticeable events summary

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

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