Prohlížíte si archiv sobota 10. února 2018

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2018 Feb 10 1251 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
10 Feb 2018	078	005
11 Feb 2018	077	003
12 Feb 2018	076	008

Bulletin

Solar activity was low, no C-class flares in past 24 h. NOAA 2699 has decayed from beta-gamma to beta magnetic field configuration, however it can still produce C-class flares 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 340 km/s with interplanetary magnetic field magnitude of 6 nT. Geomagnetic conditions reached unsettled levels (K = 3) this morning due to interplanetary magnetic field elevated values of 10.7 nT. Bz component remained strictly positive around 9 nT, and speeds elevated simultaniously only till 380 km/s. Quiet to unsettled conditions can be expected in the next 48 h.

Today's estimated international sunspot number (ISN): 027, based on 10 stations.

Solar indices for 09 Feb 2018

Wolf number Catania	///
10cm solar flux	078
AK Chambon La Forêt	008
AK Wingst	006
Estimated Ap	005
Estimated international sunspot number	026 - Based on 19 stations

Noticeable events summary

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

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