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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2018 Oct 07 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
07 Oct 2018	068	040
08 Oct 2018	069	020
09 Oct 2018	069	007

Bulletin

There are no active regions visible on the solar disk. No C-class flares in past 24 h. Solar activity is expected to remain at very low levels.

No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours.

The solar wind speed is at 380 km/s with interplanetary magnetic fields of 14 nT. Geomagnetic conditions have been quiet. The compression region in front of the fast solar wind stream expected for today is already visible in DSCOVR data starting at 10:00 UT with increased magnetic field intensities reaching 14 nT and Bz up to -10 nT. The polarity of the interplanetary magnetic field changed from negative to positive, the same polarity as the coronal hole on the Sun. Disturbed geomagnetic conditions are expected up to major storm levels.

Today's estimated international sunspot number (ISN): 000, based on 22 stations.

Solar indices for 06 Oct 2018

Wolf number Catania	///
10cm solar flux	069
AK Chambon La Forêt	005
AK Wingst	004
Estimated Ap	005
Estimated international sunspot number	000 - Based on 26 stations

Noticeable events summary

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

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