Affichage des archives de mercredi, 16 mars 2016

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2016 Mar 16 1231 UTC

Prévisions SIDC

Éruptions solaires

C-class flares expected, (probability >=50%)

Géomagnétisme

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

Moniteur de Flux de Proton

Warning condition (activity levels expected to increase, but no numeric forecast given)

	Flux de 10 cm	Ap
16 Mar 2016	095	025
17 Mar 2016	095	011
18 Mar 2016	095	005

Bulletin

Two C-class flares were observed during the last 24 hours, with a C2.2 flare as the strongest one. The C2.2 flare peaked at 6:46 UT this morning and originated from NOAA active region 2522, which is located at the West limb. The flare was associated with a CME with first measurement at 7:00 UT in LASCO/C2. A first analysis indicates there is no Earth directed component, but further analysis will be needed to confirm this. There was also a radio type II burst observed (at Humain) and an enhancement in the proton flux at >10MeV was noted. The threshold for a proton event has not been exceeded at this moment, but further increases of the proton flux are possible. Flaring at the C-level is expected to continue.

The solar wind is still under influence of the coronal hole high speed stream, with solar wind speeds between 450 and 600 km/s. The magnetic field magnitude is nearly 10 nT with a fluctuating north-south component. Geomagnetic conditions reached minor storm levels (K=5) for several time slots before and after UT midnight, both at the local (Dourbes) and global (estimated NOAA Kp) level. Quiet to unsettled conditions, with a few isolated slots of active levels are expected.

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 063, sur la base de 14 stations.

Indices solaires pour 15 Mar 2016

Nombre de Wolf, observé par Catania	///
Flux solaire à 10 cm	094
AK Chambon La Forêt	039
AK Wingst	029
Ap estimé	028
Nombre international de taches solaires estimé	053 - Basé sur 25 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