Affichage des archives de vendredi, 15 avril 2016

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2016 Apr 15 1230 UTC

Prévisions SIDC

Éruptions solaires

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 Apr 2016	113	006
16 Apr 2016	113	007
17 Apr 2016	113	007

Bulletin

Beta region NOAA AR 2529 released two C flares in the past 24 hours. The brightest one was a C1.8 flare which peaked at 13:32 UT on April 14. More C flares (probability 65%) are expected in the next 24 hours, with a slight chance (probability 10%) for an M flare, especially from AR 2529. Over the past 24 hours, solar wind speed decreased from about 450 to 360 km/s and increased again to about 380 km/s. The magnitude of the Interplanetary Magnetic Field (IMF) decreased from 9 to 5 nT and increased again to about 8 nT. Over the past 24 hours, geomagnetic conditions have been quiet to minor storm (K Dourbes between 1 and 5; NOAA Kp between 1 and 4). K Dourbes values of 5 were registered on 17h and 18h UT on April 14, as a result of elevated solar wind and IMF values in combination with a predominantly southward direction of Bz. Quiet to unsettled geomagnetic levels (K Dourbes < 4) are expected on April 15, 16 and 17.

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 051, sur la base de 18 stations.

Indices solaires pour 14 Apr 2016

Nombre de Wolf, observé par Catania	074
Flux solaire à 10 cm	111
AK Chambon La Forêt	038
AK Wingst	023
Ap estimé	024
Nombre international de taches solaires estimé	048 - 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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