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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2021 Aug 11 1231 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm tok	Ap
11 Aug 2021	073	008
12 Aug 2021	073	006
13 Aug 2021	073	005

Bulletin

Solar flaring activity was at very low levels. No significant flares have been recorded. A small region has appeared on the NE quadrant. Solar activity is expected to remain at very low levels.

No Earth directed Coronal Mass Ejections (CMEs) were observed in the available coronagraphic imagery.

The greater than 10 MeV proton flux was at background levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours. The greater than 2 MeV electron flux remained below the 1000 pfu alert threshold, while the 24h electron fluence was at nominal levels over the past 24 hours. Over the next 24 hours they may increase slightly.

ver the past 24 hours the solar wind speed further increased to 510 km/s. The total magnetic field strength had values between 1 and 8 nT, while its Bz component varied between -6 and 5 nT. The interplanetary magnetic field phi angle was predominantly on the negative sector (directed towards the Sun), with small variations since Aug 11 03:30UT, possibly as a result of the extension of the northern polar coronal hole. Over the next 24 hours, solar wind conditions are expected to remain at about these levels.

Geomagnetic conditions were at quiet to unsettled levels (NOAA Kp and K Dourbes 1-3) over the past 24 hours. Quiet to unsettled conditions are expected over the next 24 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 019, na základě 22 stanic.

Solární indexy za 10 Aug 2021

Wolfovo číslo Catania	000
10cm sluneční tok	073
AK Chambon La Forêt	011
AK Wingst	009
Odhadovaný Ap	008
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 33 stanic

Souhrn významných událostí

Poskytuje Centrum pro analýzu dat o solárních vlivech© - SIDC - Zpracováno SpaceWeatherLive

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