Affichage des archives de lundi, 6 juillet 2020

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2020 Jul 06 1231 UTC

Prévisions SIDC

Éruptions solaires

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

Géomagnétisme

Quiet (A<20 and K<4)

Moniteur de Flux de Proton

Quiet

	Flux de 10 cm	Ap
06 Jul 2020	069	007
07 Jul 2020	068	004
08 Jul 2020	068	004

Bulletin

Solar activity was at very low levels and is expected to remain so. Small sunspot region NOAA 2766 is quiet and located near disk centre.

The greater than 10 MeV proton flux and the greater than 2 MeV electron flux were at nominal levels during the last 24 hours and are expected to remain so.

No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. The bulk of yesterday's CME (5 July) seems not to be earth directed and a glancing blow is unlikely.

The earth environment remained under the influence of an enhanced wind stream associated with an extension of the positive polarity northern polar coronal hole (CH). Solar wind speed varied between 500 and 430 km/s, ending the period near 490 km/s (DSCOVR). Bz varied between -6 and +5 nT. The direction of the interplanetary magnetic field (phi angle) was predominantly directed away from the Sun (positive sector).

Geomagnetic activity was at quiet to unsettled levels. Geomagnetic conditions are expected to be quiet, with a chance on an isolated unsettled interval during the ongoing period.

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 006, sur la base de 27 stations.

Indices solaires pour 05 Jul 2020

Nombre de Wolf, observé par Catania	///
Flux solaire à 10 cm	069
AK Chambon La Forêt	014
AK Wingst	012
Ap estimé	013
Nombre international de taches solaires estimé	005 - Basé sur 36 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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