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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2020 Apr 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 Apr 2020	069	013
12 Apr 2020	069	019
13 Apr 2020	069	008

Bulletin

Solar X-ray flux remained below B level. There are no spotted regions on disk and Solar flaring is expected to remain below C level over the next days.

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. The greater than 2 MeV electron flux was at nominal levels the past 24 hours.

At the start of the period a slight enhancement of Solar wind conditions has been recorded. Solar wind speed reached 400 km/s at the start of the period, returning to a nominal 350 km/s currently over the period. Total magnetic field was around 5nT with Bz variable and the magnetic field phi angle mostly in the negative sector. A further renewed enhancement of Solar wind conditions may still occur later today and into tomorrow, related to the extension of the southern polar coronal hole that transited central meridian starting April 7.

Geomagnetic conditions were quiet (NOAA Kp 1-2, local K Dourbes 0-2). Unsettled to active conditions are possible in the next 24-48 hours, should Solar wind enhancements related to the extension of the southern polar coronal hole still set through. Otherwise mostly quiet conditions are expected.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 27 stanic.

Solární indexy za 10 Apr 2020

Wolfovo číslo Catania	///
10cm sluneční tok	069
AK Chambon La Forêt	011
AK Wingst	005
Odhadovaný Ap	005
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 35 stanic

Souhrn významných událostí

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

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