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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2020 May 19 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
19 May 2020	070	005
20 May 2020	070	005
21 May 2020	071	003

Bulletin

Solar flaring activity was at very low levels. No significant flares have been recorded. 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 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 was at nominal levels over the past 24 hours and is expected to rise to moderate levels for the next 24 hours as a response to the Coronal Hole crossing Central Meridian on May 15.

The solar wind speed near Earth oscillated between the values of 300 to 385 km/s (DSCOVR). The Interplanetary Magnetic Field (IMF) transitioned from being oriented away from the Sun to towards back to away (phi angle switched from the positive to the negative to the positive sector again). Bz varied between -6 and +6 nT. The magnitude of the magnetic field varied between 2 and 9 nT. An increase of both B and Bz late May 18 could had been a response to the Coronal Hole crossing Central Meridian on May 15. For the next 24 hours the solar wind speed is expected to stay at those levels.

Quiet to unsettled geomagnetic conditions were registered for the past 24 hours (K Dourbes recorded values 0-3 and NOAA Kp 1-2). Quiet geomagnetic conditions are expected for the next 24 hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 25 stanic.

Solární indexy za 18 May 2020

Wolfovo číslo Catania	///
10cm sluneční tok	070
AK Chambon La Forêt	009
AK Wingst	006
Odhadovaný Ap	005
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 36 stanic

Souhrn významných událostí

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

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