Affichage des archives de lundi, 15 juillet 2013

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2013 Jul 15 1253 UTC

Prévisions SIDC

Éruptions solaires

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

Géomagnétisme

Quiet (A<20 and K<4)

Moniteur de Flux de Proton

Quiet

	Flux de 10 cm	Ap
15 Jul 2013	119	019
16 Jul 2013	117	009
17 Jul 2013	115	008

Bulletin

Six sunspot groups were reported by Catania today, and non of them was particularly active. Strongest flare among five C-class flares reported during last 24 hours flare was C3.6 flare, peaking at 10:55 UT on July 15. The flare originated from the Catania sunspot group 30 (NOAA AR 1791). We expect C-class flares and possibly, but not probably, also M-class flares. The interplanetary magnetic field magnitude is about 6 nT, and the solar wind speed is 400 km/s. The extended low-latitude coronal hole in the northern hemisphere is passing the central meridian. The arrival of the fast solar wind at the Earth is expected on July 18. The arrival of the CME from July 13, although not probable, is expected early on July 18. We expect quiet to unsettled geomagnetic conditions during following 48 hours.

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 050, sur la base de 20 stations.

Indices solaires pour 14 Jul 2013

Nombre de Wolf, observé par Catania	///
Flux solaire à 10 cm	113
AK Chambon La Forêt	038
AK Wingst	028
Ap estimé	027
Nombre international de taches solaires estimé	041 - Basé sur 28 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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