Prohlížíte si archiv pondělí 14. ledna 2019

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2019 Jan 14 1236 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

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

Sluneční protony

Quiet

	10cm flux	Ap
14 Jan 2019	069	017
15 Jan 2019	069	017
16 Jan 2019	069	017

Bulletin

Solar X-ray flux remained below B level throughout the period. There are no active regions on disk 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 was nominal at the start of the period but Solar wind increased overnight to around 400 km/s presently with a simultaneous increase in magnetic field marking the influence of the equatorial coronal hole that passed central meridian January 9. Total magnetic field shortly peaked at 11nT with Bz reaching close to -9nT but otherwise variable. Solar wind is expected to remain somewhat enhanced with more solar wind enhancements expected from late tomorrow January 15 onwards as the current effects will be followed by those of the coronal hole that passed central meridian midnight January 12/13.

Geomagnetic conditions were quiet (local K Dourbes and NOAA Kp 0-2). Quiet to unsettled conditions with isolated active periods are expected over the next days.

Today's estimated international sunspot number (ISN): 000, based on 18 stations.

Solar indices for 13 Jan 2019

Wolf number Catania	///
10cm solar flux	069
AK Chambon La Forêt	007
AK Wingst	003
Estimated Ap	002
Estimated international sunspot number	000 - Based on 12 stations

Noticeable events summary

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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