Просмотр архива за среда, 10 октября 2018

Daily bulletin on solar and geomagnetic activity from the SIDC

Существующий: 2018 Oct 10 1235 UTC

SIDC Forecast

Солнечные вспышки

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

Geomagnetism

Quiet (A<20 and K<4)

Солнечные протоны

Quiet

	10cm flux	Ap
10 Oct 2018	070	008
11 Oct 2018	070	007
12 Oct 2018	070	007

Bulletin

There were no sunspots nor C flares on the visible solar disc of the Sun in the past 24 hours. The chance for a C flare in the next 24 hours is estimated at only 1%.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours.

Solar wind speed near Earth as registered by DSCOVR gradually decreased from about 620 to 480 km/s in the past 24 hours. The Interplanetary Magnetic Field (IMF) was predominantly directed away from the Sun and its magnitude varied between about 1 and 8 nT. Bz was never below -6 nT.

Quiet to active geomagnetic conditions (K Dourbes between 1 and 4; NOAA Kp between 1 and 4) were registered in the past 24 hours. Quiet to unsettled levels (K Dourbes < 4) are expected on October 10, 11 and 12, with a chance for active intervals (K Dourbes = 4) on October 10.

Today's estimated international sunspot number (ISN): 000, based on 25 stations.

Solar indices for 09 Oct 2018

Wolf number Catania	000
10cm solar flux	070
AK Chambon La Forêt	027
AK Wingst	018
Estimated Ap	029
Estimated international sunspot number	000 - Based on 34 stations

Noticeable events summary

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

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