Affichage des archives de jeudi, 16 novembre 2023

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2023 Nov 16 1231 UTC

Prévisions SIDC

Éruptions solaires

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

Géomagnétisme

Quiet (A<20 and K<4)

Moniteur de Flux de Proton

Quiet

	Flux de 10 cm	Ap
16 Nov 2023	119	007
17 Nov 2023	119	007
18 Nov 2023	119	007

Régions solaires actives et éruptions solaires

There are three active regions visible on the disk (three rotated out of view in the last 24 hours). Only C-class flaring has been observed in the last 24 hours. The strongest flare was a C7.6 from NOAA AR 3485 close to the west limb (beta magnetic field configuration), peaking at 12:12 UTC on 15 November. More C-class flares can be expected in the next 24 hours.

Éjection de masse coronale

Two partial halo CMEs were observed erupting on 15 November (at 01:25 UTC and at 06:12 UTC), both eruptions were directed towards the north and most likely originated from the backside of the Sun as no related activity is seen on the frontside, so they are not expected to affect the Earth.

Vent solaire

The Earth is immersed in slow solar wind, over the last 24 hours solar wind speed has remained constant around 400 km/s and interplanetary magnetic field around 5 nT. Same conditions are expected for the next 24 hours.

Géomagnétisme

During the last 24 hours the geomagnetic conditions were quiet to unsettled globally (NOAA KP 3) and reached active levels locally (K_Bel 4). Mostly quiet to unsettled conditions are expected for the next 24 hours.

Niveaux de flux de protons

Over the past 24 hours the greater than 10 MeV GOES proton flux was at nominal levels and is expected to remain so over the next 24 hours.

Flux d'électrons sur l'orbite géostationnaire

The greater than 2 MeV electron flux was below the 1000 pfu threshold, as measured by GOES 16. It is expected to remain so in the next 24 hours. The 24 hour electron fluence was at normal levels, it is expected to stay at those levels for the next 24 hours.

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 036, sur la base de 10 stations.

Indices solaires pour 15 Nov 2023

Nombre de Wolf, observé par Catania	041
Flux solaire à 10 cm	119
AK Chambon La Forêt	022
AK Wingst	016
Ap estimé	016
Nombre international de taches solaires estimé	036 - Basé sur 21 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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