Affichage des archives de jeudi, 28 juin 2018

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2018 Jun 28 1230 UTC

Prévisions SIDC

Éruptions solaires

Quiet conditions (<50% probability of C-class flares)

Géomagnétisme

Quiet (A<20 and K<4)

Moniteur de Flux de Proton

Quiet

	Flux de 10 cm	Ap
28 Jun 2018	070	010
29 Jun 2018	069	008
30 Jun 2018	068	010

Bulletin

Solar activity remains to be at the low level, and there were no B-class or stronger flares reported during last 24 hours. The only numbered sunspot group on the visible side of the Sun, Catania sunspot group 88 (NOAA AR 2715), is rotating across the west solar limb which will result in even lower level of the flaring activity in the coming hours. No Earth directed CMEs were observed during last 24 hours, and the solar protons remained at the background level. The solar wind speed is still somewhat elevated and it presently amounts about 520 km/s. The interplanetary magnetic field magnitude is 5 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 on June 30. The geomagnetic conditions remain to be quiet to unsettled and we expect they will not change in the coming hours.

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 000, sur la base de 22 stations.

Indices solaires pour 27 Jun 2018

Nombre de Wolf, observé par Catania	011
Flux solaire à 10 cm	070
AK Chambon La Forêt	014
AK Wingst	///
Ap estimé	010
Nombre international de taches solaires estimé	009 - Basé sur 33 stations

Résumé des événements marquants

Données fournies par le Solar Influences Data analysis Center© - SIDC - Traité par SpaceWeatherLive

Toutes les heures sont indiquées en UTC

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