Affichage des archives de vendredi, 6 avril 2018

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2018 Apr 06 1230 UTC

Prévisions SIDC

Éruptions solaires

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

Géomagnétisme

Active conditions expected (A>=20 or K=4)

Moniteur de Flux de Proton

Quiet

	Flux de 10 cm	Ap
06 Apr 2018	066	007
07 Apr 2018	067	007
08 Apr 2018	066	011

Bulletin

Over the past 24 hours solar activity has been low with no active regions on the solar disk. No flares have been recorded. No Earth directed Coronal Mass Ejections (CMEs) have been detected. The greater than 10MeV proton flux remained at background levels over the past 24 hours. A low latitude negative polarity coronal hole has reached the central meridian. Solar activity is expected to remain low over the next 24 hours. Only B-class flares can be expected. The solar wind speed has been slowly increasing from around 350 to 450 km/s during the first half of the period. Later solar wind speed growth stabilized around 420 km/s. The total magnetic field strength has fluctuated between 2 nT and 9 nT. The Bz component has fluctuated between -6 nT and +7 nT. Geomagnetic conditions ranged between Kp index 1-3 (NOAA) and local K index 1-3 (Dourbes) over the past 24 hours. Mostly quiet to unsettled geomagnetic levels are expected today and tomorrow. Active conditions can be expected most likely from April 8 afternoon due to the influences of a high speed stream coming from the low-latitude negative polarity coronal hole.

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 000, sur la base de 27 stations.

Indices solaires pour 05 Apr 2018

Nombre de Wolf, observé par Catania	000
Flux solaire à 10 cm	066
AK Chambon La Forêt	012
AK Wingst	010
Ap estimé	010
Nombre international de taches solaires estimé	000 - Basé sur 35 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

<< Aller à l'aperçu quotidien