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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2019 Sep 22 1230 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
22 Sep 2019	068	007
23 Sep 2019	068	013
24 Sep 2019	067	021

Bulletin

Solar X ray flux remained below B level throughout the period. The Solar disk is spotless and X-ray flux is expected to remain at or below background levels.

There were no Earth-directed CMEs observed in coronagraph data.

Proton levels were at background values and are expected to remain so.

Solar wind conditions were near nominal with Solar wind speed around 350 km/s and total magnetic field in the 4-6nT range. The Bz component evolved from negative to positive over the period and the magnetic field phi angle was persistently in the positive sector. Solar wind conditions are expected to remain nominal in the next 24 hours and then become enhanced by late September 23 due to the high speed stream from an equatorial coronal hole. Solar wind speed is then expected to reach over 500 km/s.

Geomagnetic conditions were quiet (NOAA Kp 0-2). Geomagnetic conditions are expected to remain quiet for the next 24 hours, and then increasing by late September 23 to unsettled conditions with also some active periods due to the high speed stream solar wind enhancements.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 19 stanic.

Solární indexy za 21 Sep 2019

Wolfovo číslo Catania	///
10cm sluneční tok	068
AK Chambon La Forêt	013
AK Wingst	006
Odhadovaný Ap	007
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 31 stanic

Souhrn významných událostí

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

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