Prohlížíte si archiv pátek 13. října 2017

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2017 Oct 13 1230 UTC

SIDC Forecast

Sluneční erupce

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

Geomagnetism

Moderate (ISES: Major) magstorm expected (A>=50 or K=6)

Sluneční protony

Quiet

	10cm flux	Ap
13 Oct 2017	073	029
14 Oct 2017	074	019
15 Oct 2017	073	007

Bulletin

Solar activity was at very low levels. There is no sunspots on the visible side of solar disk. No coronal mass ejections (CMEs) were observed. Integral proton flux for protons with energies above 10 MeV remained at background level. Quiet flaring conditions are expected. The earth environment is under the influence of a polar coronal hole. Solar wind speed fluctuated between 480 and 570 km/s. Total interplanetary magnetic filed fluctuated between 5 and 9 nT, while its Bz component fluctuated between -9 and 9 nT, being rather negative. The geomagnetic field was at active and minor storm levels most of the time, with unsettled levels reached locally in Dourbes at the end of the period. Active geomagnetic conditions are expected, with some intervals of minor storming.

Today's estimated international sunspot number (ISN): 000, based on 17 stations.

Solar indices for 12 Oct 2017

Wolf number Catania	000
10cm solar flux	070
AK Chambon La Forêt	041
AK Wingst	030
Estimated Ap	032
Estimated international sunspot number	000 - Based on 32 stations

Noticeable events summary

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

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