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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2017 Nov 06 1230 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
06 Nov 2017	071	003
07 Nov 2017	071	010
08 Nov 2017	071	022

Bulletin

The Sun activity is very quiet: The solar disc remains spotless; no flares have been observed in past 24 h and no active regions visible on the disc. The X-ray flux is expected to remain below C level.

No Earth directed Coronal Mass Ejections (CMEs) have been observed and the solar protons flux remained at background levels over the past 24 hours.

Solar wind speed has continued its slow overall decline from around 350 km/s to 300 km/s. The interplanetary magnetic field magnitude remained around 4 nT and the Bz component fluctuated between -2 and 4 nT being mainly positive. The solar wind is expected to remain at its nominal conditions until a renewed increase of solar wind conditions under the influence of a high speed stream associated with the extension of the northern polar coronal hole that has transited the central meridian on Nov 04.

Geomagnetic conditions were quiet (local K Dourbes 0-2, NOAA Kp 0-1) and are expected to remain quiet until the high speed stream reaches Earth by Nov 07 onwards.

Today's estimated international sunspot number (ISN): 000, based on 24 stations.

Solar indices for 05 Nov 2017

Wolf number Catania	///
10cm solar flux	071
AK Chambon La Forêt	005
AK Wingst	001
Estimated Ap	001
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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