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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2020 Jun 15 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
15 Jun 2020	070	007
16 Jun 2020	070	007
17 Jun 2020	070	007

Bulletin

Active Region NOAA 2765 produced no B or brighter flares in the past 24 hours, it is about to rotate over the western limb. No C-class flares are expected.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery. On June 12 (around 06:00 UT), dimmings on the northern solar hemisphere mark an eruption that went unnoticed before, this is because the CME might have been too narrow to be seen by LASCO. If this was the case, the CME could arrive to the Earth on June 16-17.

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.

Solar wind speed near Earth has remained at around 320 km/s in the past 24 hours. The Interplanetary Magnetic Field (IMF) was oriented away from the Sun, and its magnitude varied between about 3 and 5 nT. Bz was never below -5 nT. The fast solar wind emanating from faint patchy equatorial coronal hole regions may arrive to the Earth in about 48 hours.

Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp between 0 and 1) were registered in the past 24 hours. Mostly quiet levels can be expected for the next 48 hours, with possible active periods from the CME and high speed streams mentioned above.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 008, na základě 28 stanic.

Solární indexy za 14 Jun 2020

Wolfovo číslo Catania	///
10cm sluneční tok	070
AK Chambon La Forêt	006
AK Wingst	002
Odhadovaný Ap	002
Odhadovaný mezinárodní počet slunečních skvrn	010 - Na základě 29 stanic

Souhrn významných událostí

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

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