Affichage des archives de lundi, 7 décembre 2015

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2015 Dec 07 1230 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

Quiet

	Flux de 10 cm	Ap
07 Dec 2015	103	019
08 Dec 2015	104	018
09 Dec 2015	105	013

Bulletin

Solar activity remains to be low, with only two low C-class flares reported in the past 24 hours. The C1.1 flare observed at the East solar limb this morning (peaking at 04:19 UT) was associated with the coronal EUV wave and rather narrow CME. We do not expect significant change in the level of the solar activity. Low C-class flares are possible in the coming hours. No Earth directed CMEs were observed in the last 24 hours. The Earth is currently inside of the fast flow associated with the strongly extended northern polar coronal hole. During last 36 hours the solar wind speed is slowly increasing, with the current value of about 640 km/s. The interplanetary magnetic field magnitude is slightly elevated and it amounts about 14 nT. We expect further increase of the solar wind speed which, together with the possibly negative values of the Bz component of the interplanetary magnetic field, might induce active to minor storm geomagnetic conditions in the coming hours.

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 056, sur la base de 14 stations.

Indices solaires pour 06 Dec 2015

Nombre de Wolf, observé par Catania	///
Flux solaire à 10 cm	102
AK Chambon La Forêt	037
AK Wingst	023
Ap estimé	027
Nombre international de taches solaires estimé	049 - Basé sur 22 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