Prohlížíte si archiv středa 17. listopadu 2021

Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2021 Nov 17 1231 UTC

SIDC Předpověď

Sluneční erupce

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

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sluneční protony

Quiet

	10cm tok	Ap
17 Nov 2021	080	018
18 Nov 2021	080	012
19 Nov 2021	080	007

Bulletin

The Sun produced no C flares in the past 24 hours. The chance for a C flare in the next 24 hours is estimated at 25%.

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

The greater than 10 MeV proton flux was at nominal 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 was at nominal levels in the past 24 hours, and may rise to moderate levels in the next 24 hours. The greater than 2 MeV electron fluence was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours.

The solar wind speed as registered by DSCOVR varied between about 550 and 660 km/s in the past 24 hours. The Interplanetary Magnetic Field near Earth (IMF) was oriented towards the Sun and its magnitude varied between about 1 and 8 nT. There were no extended intervals with Bz below -5 nT. Enhanced solar wind conditions are expected in the next 24 hours, followed by a gradual return towards nominal levels.

Quiet to unsettled geomagnetic conditions (K-BEL between 2 and 3; NOAA Kp between 2 and 4) were registered in the past 24 hours. Active intervals (K-BEL = 4) are possible on November 17 and 18, with a chance for minor storm intervals (K-BEL = 5). Quiet to unsettled geomagnetic levels are expected on November 19, with a chance for active intervals.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 031, na základě 08 stanic.

Solární indexy za 16 Nov 2021

Wolfovo číslo Catania	045
10cm sluneční tok	080
AK Chambon La Forêt	018
AK Wingst	014
Odhadovaný Ap	014
Odhadovaný mezinárodní počet slunečních skvrn	032 - Na základě 17 stanic

Souhrn významných událostí

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

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