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Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2020 Mar 23 1231 UTC

SIDC Forecast

Сонячні спалахи

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

Geomagnetism

Quiet (A<20 and K<4)

Сонячні протони

Quiet

	10cm flux	Ap
23 Mar 2020	070	009
24 Mar 2020	070	007
25 Mar 2020	071	005

Bulletin

Solar flaring activity was at very low levels. No significant flares have been recorded. Solar activity is expected to remain at very low levels.

No Earth directed Coronal Mass Ejections (CMEs) were observed in the 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.

The solar wind speed near Earth varied between about 430 and 510 km/s (DSCOVR) over the past 24 hours. The Interplanetary Magnetic Field (IMF) was predominantly oriented towards the Sun (phi angle in the negative sector) and its magnitude varied between about 2 and 6 nT. Bz fluctuated between -5 and +3 nT. Quiet to slightly enhanced solar wind conditions are expected in the next 24 hours.

Quiet to unsettled geomagnetic conditions were registered for the majority of the past 24 hours (K Dourbes and NOAA Kp recorded values of between 1 and 3) with one isolated active interval at 11 UT where K Dourbes reached 4. Quiet to unsettled geomagnetic levels are expected on March 23 to 25, with a chance for isolated active intervals (K Dourbes = 4) in the next 24 hours.

Today's estimated international sunspot number (ISN): 000, based on 23 stations.

Solar indices for 22 Mar 2020

Wolf number Catania	///
10cm solar flux	070
AK Chambon La Forêt	015
AK Wingst	008
Estimated Ap	007
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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