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Denní bulletin o sluneční a geomagnetické aktivitě ze SIDC

Vydáno: 2019 Jan 20 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
20 Jan 2019	069	004
21 Jan 2019	069	007
22 Jan 2019	069	015

Bulletin

Solar X-ray flux remained below B level throughout the period. The Solar disk is spotless and X-ray flux is expected to continue to be below C level.

No earth directed CMEs have been recorded.

The proton flux levels were at background values and are expected to remain so.

Solar wind conditions are nominal. Solar wind speed decreased further from around 390 km/s to around 340-350 km/s. Total magnetic field was below 4nT. The magnetic field phi angle was predominantly in the negative sector. Nominal Solar wind conditions are expected over the next days. The Solar wind sector change preceding the coronal hole that is now transiting the central meridian is not expected before January 22 and further associated Solar wind enhancements are expected to set in January 23/24.

Geomagnetic conditions were mostly quiet (local K Dourbes 0-2) with an isolated unsettled period observed in NOAA Kp (0-3). Quiet geomagnetic conditions are expected over the next days, but will later increase to unsettled (from January 22) and thereafter (January 23/24) active periods.

Dnešní odhadovaný mezinárodní počet slunečních skvrn (ISN): 000, na základě 16 stanic.

Solární indexy za 19 Jan 2019

Wolfovo číslo Catania	///
10cm sluneční tok	070
AK Chambon La Forêt	010
AK Wingst	007
Odhadovaný Ap	006
Odhadovaný mezinárodní počet slunečních skvrn	000 - Na základě 20 stanic

Souhrn významných událostí

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