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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2018 Mar 01 1238 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
01 Mar 2018	069	007
02 Mar 2018	068	009
03 Mar 2018	068	008

Bulletin

The Catania sunspot group 73 (NOAA AR 2007) produced several low B-class flares during last 24 hours. We expect this level of solar activity to continue in the coming hours. During last 24 hours there were no Earth directed CMEs reported. The coronagraph data confirmed that the CME reported yesterday was indeed very narrow and slow and it will not arrive to the Earth. The solar protons remained at background level. The Earth is presently inside the slow solar wind with the speed of about 390 km/s. The interplanetary magnetic field magnitude is about 3 nT. The arrival of the fast solar wind associated with the equatorial coronal hole, which reached central meridian in the morning of February 26, might be expected at the Earth tomorrow. The geomagnetic conditions are presently quiet, and we expect quiet to unsettled geomagnetic conditions in the coming hours.

Today's estimated international sunspot number (ISN): 000, based on 10 stations.

Solar indices for 28 Feb 2018

Wolf number Catania	///
10cm solar flux	069
AK Chambon La Forêt	011
AK Wingst	008
Estimated Ap	007
Estimated international sunspot number	/// - Based on /// stations

Noticeable events summary

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

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