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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2019 Dec 23 1231 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
23 Dec 2019	071	001
24 Dec 2019	071	006
25 Dec 2019	071	003

Bulletin

Solar activity has been very low, no flares in the past 24 h. Low solar activity expected for the next 48 h.

No Earth directed CMEs in past 24 h. Solar protons have remained at background levels over the past 24 h.

The solar wind speed is at 360 km/s with interplanetary magnetic field magnitude of 5 nT. Geomagnetic conditions have been quiet. The fast solar wind emanating from a small equatorial negative polarity coronal hole might affect Earth on December 24-25, but its effect will be weak (mostly unsettled conditions expected, with possible isolated active periods).

Today's estimated international sunspot number (ISN): 000, based on 12 stations.

Solar indices for 22 Dec 2019

Wolf number Catania	///
10cm solar flux	071
AK Chambon La Forêt	008
AK Wingst	004
Estimated Ap	003
Estimated international sunspot number	000 - Based on 13 stations

Noticeable events summary

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

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