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Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2020 Mar 09 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
09 Mar 2020	070	008
10 Mar 2020	070	007
11 Mar 2020	069	006

Bulletin

During last 24 hours there was no report of the flaring activity (B-class flares or larger). Presently, there is only one active region observed on the visible side of the Sun. NOAA AR 2758 (not numbered by Catania) has beta configuration of its photospheric magnetic field and it could be the source of B-class and/or isolated C-class flares in the coming hours. During last 24 hours there were no Earth-directed CMEs and the solar protons remained at the background level.

Earth is presently within the solar wind with the speed of about 340 km/s and the interplanetary magnetic field magnitude is 3 nT. Small, negative polarity coronal hole crossed central meridian yesterday evening. The associated fast solar wind might arrive to the Earth in the evening of March 12 or morning of March 13. The geomagnetic conditions are presently quiet to unsettled and we expect them to stay so in the coming hours.

Today's estimated international sunspot number (ISN): 013, based on 24 stations.

Solar indices for 08 Mar 2020

Wolf number Catania	///
10cm solar flux	070
AK Chambon La Forêt	008
AK Wingst	006
Estimated Ap	005
Estimated international sunspot number	015 - Based on 25 stations

Noticeable events summary

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

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