Affichage des archives de samedi, 10 décembre 2016

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2016 Dec 10 1250 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
10 Dec 2016	073	019
11 Dec 2016	072	021
12 Dec 2016	073	021

Bulletin

Over the past 24 hours solar activity has been low. There has been one B-class flare. Active Region (AR) 2615 (Mcintosh class:Hsx; Mag. type:Alpha) has now moved over the West solar limb. No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours. There are no significant Active Regions (AR) on the sun, therefore solar activity is expected to remain low over the next 24 hours with a small chance of C-class flares. The solar wind speed has fluctuated between 525 and 725 km/s over the past 24 hours. The total magnetic field strength has fluctuated around 5 nT. The Bz component has fluctuated between -5 and +5 nT. Geomagnetic conditions ranged between Kp index 3-5 (NOAA) and local K index 2-5 (Dourbes) over the past 24 hours, with the enhanced values occurring due to fluctuating Bz and high speed solar wind generated from a large negative polarity Southern polar trans-equatorial coronal hole (CH). Enhanced solar wind conditions are expected to persist over the next couple of days due to the CH High Speed Stream (HSS). As a consequence Geomagnetic conditions are expected to be unsettled to active for the next couple of days, with a possibility of minor storms.

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

Indices solaires pour 09 Dec 2016

Nombre de Wolf, observé par Catania	///
Flux solaire à 10 cm	073
AK Chambon La Forêt	///
AK Wingst	032
Ap estimé	028
Nombre international de taches solaires estimé	020 - Basé sur 17 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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