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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2020 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 2020	074	003
12 Aug 2020	073	007
13 Aug 2020	073	007

Bulletin

The solar activity was quiet over the past 24 hours. The sunspot (NOAA-AR 2770) only produced a few B-class flares and the X-ray flux remained below C-class level. The solar activity is expected to remain at low levels with a very small chance of occurring a C-class flare from the Region NOAA-AR 2770.

No Earth directed Coronal Mass Ejections (CMEs) were observed in the available coronagraphic imagery in the last 24 hours.

The greater than 10 MeV proton flux was at nominal levels over the past 24 hours and is expected to stay at nominal levels for the next 24 hours. The greater than 2 MeV electron flux reached high levels over the past 24 hours and is expected to remain at high levels over the next 24 hours.

The Earth continued to be under the influence of the slow solar wind streams. The solar wind parameters (DSCOVR) show nominal values with the solar wind speed around 300-400 km/s, the total interplanetary magnetic field below 4 nT, and the Bz magnetic field components fluctuating between -3.5 nT and +3.5 nT. The solar wind conditions are expected to remain mostly nominal for the next days. The solar wind associated with the relatively small equatorial coronal hole (positive polarity, facing Earth on August 10) may slightly enhance the solar wind parameters near Earth in about 1-2 days from now.

Geomagnetic conditions were quiet, and quiet conditions are expected for the next following day.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 012, na základě 25 stanic.

Solární indexy za 10 Aug 2020

Wolfovo číslo Catania	///
10cm sluneční tok	074
AK Chambon La Forêt	006
AK Wingst	002
Odhadovaný Ap	002
Odhadovaný mezinárodní počet slunečních skvrn	012 - Na základě 30 stanic

Souhrn významných událostí

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

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