Prohlížíte si archiv pátek 29. června 2018

Daily bulletin on solar and geomagnetic activity from the SIDC

Vydáno: 2018 Jun 29 1241 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
29 Jun 2018	070	005
30 Jun 2018	069	011
01 Jul 2018	068	010

Bulletin

There are presently no sunspot groups observed on the visible side of the Sun. Accordingly, no flares were reported during last 24 hours and we expect such a quiet conditions to persist in the coming hours. No Earth directed CMEs were observed, and the solar protons remained at the background level.

The solar wind speed is slowly decreasing and it presently amounts about 490 km/s, and the interplanetary magnetic field magnitude is 4 nT. The fast solar wind associated with rather patchy equatorial coronal hole, which reached central meridian in the morning of June 27, might arrive to the Earth after the midday of June 30 (as forecasted by EUHFORIA model). 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 29 stations.

Solar indices for 28 Jun 2018

Wolf number Catania	000
10cm solar flux	070
AK Chambon La Forêt	009
AK Wingst	///
Estimated Ap	007
Estimated international sunspot number	000 - Based on 30 stations

Noticeable events summary

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

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