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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2018 Dec 23 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
23 Dec 2018	071	003
24 Dec 2018	071	004
25 Dec 2018	071	001

Bulletin

The Sun is currently spotless and did not produce any B class flares or higher over the past 24 hours. The chance for a C flare in the next 24 hours is estimated low. No Earth-directed CMEs were detected in available coronagraph imagery.

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

The solar wind speed near Earth as registered by DSCOVR gradually decreased from about 380 to 350 km/s over the past 24 hours. The Interplanetary Magnetic Field (IMF) fluctuated around 3 nT. Bz varied between 2 and -2 nT.

Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp between 0 and 1) were registered in the past 24 hours. Quiet geomagnetic levels are expected over the next 24 hours.

Today's estimated international sunspot number (ISN): 000, based on 06 stations.

Solar indices for 22 Dec 2018

Wolf number Catania	///
10cm solar flux	071
AK Chambon La Forêt	005
AK Wingst	002
Estimated Ap	002
Estimated international sunspot number	000 - Based on 20 stations

Noticeable events summary

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

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