Affichage des archives de vendredi, 7 juin 2024

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2024 Jun 07 1231 UTC

Prévisions SIDC

Éruptions solaires

M-class flares expected (probability >=50%)

Géomagnétisme

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

Moniteur de Flux de Proton

Quiet

	Flux de 10 cm	Ap
07 Jun 2024	193	008
08 Jun 2024	193	016
09 Jun 2024	190	007

Régions solaires actives et éruptions solaires

Solar flaring activity was moderate over the past 24 hours. The largest flare was a M6.1-flare, with peak time 15:25 UTC on June 06, from NOAA AR 3697 (beta-gamma-delta). There are currently 9 numbered active regions on the visible disk. NOAA AR 3697 is the most complex AR (beta-gamma-delta) and responsible for the majority of the flaring activity. The solar flaring activity is expected to be at moderate levels over the coming day with C-class flares expected and M-class flares likely and a chance of X-class flares.

Éjection de masse coronale

No new Earth-directed Coronal Mass Ejections (CMEs) have been detected in the available coronagraph images.

Vent solaire

The solar wind at the Earth was slow, with speeds up to 400 km/s and interplanetary magnetic field around 7nT and Bz reaching minimum value of -6nT. The possible arrival of high-speed stream from the coronal hole that crossed the central meridian late June 04 is expected on June 08.

Géomagnétisme

Geomagnetic conditions were quiet to unsettled both globally and locally (NOAA Kp 3-, Local K Bel 3). Geomagnetic conditions may reach active levels on June 08 due to a high speed stream arrival.

Niveaux de flux de protons

Over the past 24 hours, the greater than 10 MeV GOES proton flux remained below the 10 pfu threshold and is expected to remain so over the next day. There is a slight chance that the proton flux may increase due to strong flaring from NOAA AR 3697.

Flux d'électrons sur l'orbite géostationnaire

The greater than 2 MeV electron flux remained below the 1000 pfu alert threshold, and is expected to remain below the threshold during the next 24 hours. The 24h electron fluence was at normal levels and is expected to remain so.

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 159, sur la base de 21 stations.

Indices solaires pour 06 Jun 2024

Nombre de Wolf, observé par Catania	182
Flux solaire à 10 cm	191
AK Chambon La Forêt	010
AK Wingst	007
Ap estimé	007
Nombre international de taches solaires estimé	167 - Basé sur 24 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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