Affichage des archives de dimanche, 14 janvier 2018

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2018 Jan 14 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
14 Jan 2018	071	012
15 Jan 2018	070	008
16 Jan 2018	069	006

Bulletin

There are presently no numbered sunspot regions on the visible side of the solar disk. There were no flares reported during last 24 hours and we do not expect any flaring activity in the coming hours. Coronagraph images do not show signatures of the Earth directed CMEs, and the solar protons remained at the background level. The Earth is presently inside the fast solar wind associated with the coronal hole which reached central meridian in the morning of January 09. The present values of the solar wind speed and the interplanetary magnetic field magnitude are 580 km/s and 5 nT, respectively. The maximum value of the wind speed during last 24 hours was about 610 km/s and the Bz component of the interplanetary magnetic field had minimum value of about -12 nT. The arrival of the fast solar wind induced disturbed geomagnetic conditions, NOAA reported Kp=5 early this morning and local station at Dourbes reported only K=3. Presently geomagnetic conditions are quiet to unsettled and although intervals of active conditions are still possible, we expect mostly continuation of the quite to unsettled conditions in the coming hours.

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 000, sur la base de 12 stations.

Indices solaires pour 13 Jan 2018

Nombre de Wolf, observé par Catania	///
Flux solaire à 10 cm	071
AK Chambon La Forêt	023
AK Wingst	005
Ap estimé	005
Nombre international de taches solaires estimé	000 - Basé sur 13 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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