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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2019 Feb 15 1230 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 Feb 2019	071	007
16 Feb 2019	072	007
17 Feb 2019	072	003

Bulletin

The solar activity has been quiet over the past 24 hours, with the X-ray flux remaining below B-class level. The probability of C-class flares occurring remains very low and quiet conditions are expected to continue over the next 24 hours.

No Earth directed Coronal Mass Ejections (CMEs) have been detected. The greater than 10MeV proton flux remained at background levels over the past 24 hours and is expected to remain so.

Over the last 24 hours the solar wind began to slowly decrease from 530 to 450 km/s. The total magnetic field strength fluctuated around 4.0 nT, while the Bz component fluctuated between -3.0 and 3.5 nT. The slightly enhanced solar wind conditions are expected to continue over the next 24 hours before gradually decreasing as the Earth leaves the influence of the solar wind stream associated with the extended southern polar coronal hole, which first crossed the central meridian on the 10th of February.

The geomagnetic conditions were quiet to unsettled over the last 24 hours, with the Kp (NOAA) and the local K (Dourbes) indices ranging between 0-3. The geomagnetic conditions are expected to continue to be unsettled as the enhanced solar wind associated with the extended southern polar coronal hole continues to influence the Earth over the coming hours.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 23 stanic.

Solární indexy za 14 Feb 2019

Wolfovo číslo Catania	///
10cm sluneční tok	071
AK Chambon La Forêt	016
AK Wingst	012
Odhadovaný Ap	013
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 29 stanic

Souhrn významných událostí

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

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