Affichage des archives de dimanche, 8 novembre 2015

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2015 Nov 08 1230 UTC

Prévisions SIDC

Éruptions solaires

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

Géomagnétisme

Minor storm expected (A>=30 or K=5)

Moniteur de Flux de Proton

Quiet

	Flux de 10 cm	Ap
08 Nov 2015	115	016
09 Nov 2015	117	035
10 Nov 2015	119	029

Bulletin

Only one C-class flare was observed during the period: a C2.5 originating south of NOAA 2449's trailing portion at 23:21UT. This active region is currently the most complex group on the solar disk. A filament has developed between NOAA 2448 and 2451, and also trailing NOAA 2448 and NOAA 2443. The other regions were stable and quiet. No earth-directed coronal mass ejections have been observed.

C-class flares are expected.

Quiet to active geomagnetic conditions were recorded in the aftermath of the passage of the coronal mass ejection (CME). Solar wind speed declined slowly from its initial 550 km/s to its current values near 460 km/s. Bz was near zero until about 19:00UT and after 07:00UT, while in between it was fairly positive with a maximum around +11 nT during the 00-02UT interval. It dipped again to -9 nT between 10:00 and 11:00UT.

Further quiet to active geomagnetic conditions are expected, until the arrival of the co-rotating interaction region and high speed stream associated with the northern coronal hole later today or tomorrow, which could produce minor storming episodes.

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 076, sur la base de 16 stations.

Indices solaires pour 07 Nov 2015

Nombre de Wolf, observé par Catania	///
Flux solaire à 10 cm	115
AK Chambon La Forêt	030
AK Wingst	035
Ap estimé	038
Nombre international de taches solaires estimé	088 - Basé sur 18 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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