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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2021 Mar 08 1230 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
08 Mar 2021	077	010
09 Mar 2021	078	016
10 Mar 2021	079	007

Bulletin

The X-ray flux remained below C-level. Active region NOAA 2806 is a simple bipolar region and has been stable. X-ray flux is expected to remain below C-level.

No Earth-directed Coronal Mass Ejections (CMEs) have been observed in coronagraph data.

The greater than 10 MeV proton flux was at nominal levels over the past 24 hours and is expected to remain so for the next 24 hours. The greater than 2 MeV electron flux peaked over the 1000 pfu event threshold during its diurnal maximum and is expected do so again today. The 24h electron fluence was at normal levels but rising and may reach moderate levels following the continuing enhanced Solar wind conditions.

Solar wind showed the continuation of moderately high speed stream conditions. Solar wind speed hovered around 500 km/s while total interplanetary magnetic field was at around 6nT with an unremarkable Bz component. The magnetic field was directed away from the Sun. Solar wind conditions are expected to slowly decay over the next days.

Geomagnetic conditions were mostly quiet to unsettled with a period of active conditions (both NOAA Kp and local K Dourbes reaching 4) around midnight. Geomagnetic conditions are expected to be quiet to unsettled as the high speed stream slowly decays over the next days.

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

Solar indices for 07 Mar 2021

Wolf number Catania	///
10cm solar flux	078
AK Chambon La Forêt	015
AK Wingst	014
Estimated Ap	011
Estimated international sunspot number	020 - Based on 28 stations

Noticeable events summary

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

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