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Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2019 Jun 24 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
24 Jun 2019	067	005
25 Jun 2019	068	010
26 Jun 2019	068	009

Bulletin

Solar activity is very low and during last 24 hours there was no C-class or even B-class flares reported. We expect such a low level of the flaring activity to persist in the coming hours. There were no Earth directed CMEs reported and the solar protons remained at the background level.

The Earth is presently inside the slow solar wind with the speed of about 320 km/s. The interplanetary magnetic field magnitude amounts about 5 nT. The fast solar wind associated with the patchy negative polarity coronal hole, apparently connected to the southern polar coronal hole (which reached central meridian on June 21), is expected to arrive to the Earth on June 25. The geomagnetic conditions are presently quiet, and we expect such a geomagnetic conditions to continue in the coming hours. Due to expected arrival of the fast solar wind, unsettled geomagnetic conditions might be expected late on June 25.

Today's estimated international sunspot number (ISN): 012, based on 23 stations.

Solar indices for 23 Jun 2019

Wolf number Catania	///
10cm solar flux	067
AK Chambon La Forêt	008
AK Wingst	004
Estimated Ap	004
Estimated international sunspot number	000 - Based on 27 stations

Noticeable events summary

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

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