Prohlížíte si archiv středa 16. ledna 2019

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2019 Jan 16 1237 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Quiet (A<20 and K<4)

Sluneční protony

Quiet

	10cm flux	Ap
16 Jan 2019	070	011
17 Jan 2019	070	013
18 Jan 2019	070	007

Bulletin

Solar X-ray flux remained below B level throughout the period. Some small spotted region seems to be emerging near N16W22 but 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 slightly enhanced reaching a maximum of 432 km/s during the period but is now back around 360 km/s. Total magnetic field was mostly in the 3-9 nT range but mostly around a nominal 5nT with Bz variable. The magnetic field phi angle was in the negative sector. Solar wind is expected to be close to nominal with some minor enhancements possible.

Geomagnetic conditions were quiet (local K Dourbes 0-2 and NOAA Kp 1-2). Quiet conditions are expected over the next days with initially some unsettled periods possible.

Today's estimated international sunspot number (ISN): 000, based on 11 stations.

Solar indices for 15 Jan 2019

Wolf number Catania	///
10cm solar flux	070
AK Chambon La Forêt	007
AK Wingst	///
Estimated Ap	006
Estimated international sunspot number	000 - Based on 19 stations

Noticeable events summary

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

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