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Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2020 Feb 17 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
17 Feb 2020	071	010
18 Feb 2020	071	007
19 Feb 2020	071	007

Bulletin

No active regions visible on the Sun. No flares observed, nor expected.

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

The solar wind speed is at 340 km/s with interplanetary magnetic field magnitude of 2 nT. Quiet conditions have been observed in the past 24. The solar wind from a narrow negative polarity equatorial coronal hole could arrive to the Earth today, mostly unsettled conditions can be expected then (with possible isolated active periods).

Today's estimated international sunspot number (ISN): 000, based on 21 stations.

Solar indices for 16 Feb 2020

Wolf number Catania	///
10cm solar flux	071
AK Chambon La Forêt	005
AK Wingst	///
Estimated Ap	003
Estimated international sunspot number	000 - Based on 14 stations

Noticeable events summary

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

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