Affichage des archives de dimanche, 30 mars 2014

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2014 Mar 30 1323 UTC

Prévisions SIDC

Éruptions solaires

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

Géomagnétisme

Active conditions expected (A>=20 or K=4)

Moniteur de Flux de Proton

Warning condition (activity levels expected to increase, but no numeric forecast given)

	Flux de 10 cm	Ap
30 Mar 2014	143	007
31 Mar 2014	140	007
01 Apr 2014	137	013

Bulletin

NOAA AR 2017 released an X1.0 flare with peak at 17:48 UT on March 29, associated with radio bursts, a full halo CME and an increase in GOES proton fluxes (not passing the threshold). This region is expected to produce M-class flares and probably X-class flares, it has a beta gamma delta magnetic configuration. A type II radio burst was detected at 11:52 UT, close in time of a C-class flare, this may mark the presence of another CME, but there is no data available yet. The full halo CME related to the X1.0 flare was first seen at 18:12 UT by LASCO-C2. The speeds measured are of 510 km/s (LASCO-C3), giving an expected arrival time (using DBM) to the Earth of 04:30 UT on April 2. Geomagnetic conditions are quiet, the situation may change when/if the CMEs from March 28 arrive to the Earth early on April 1 (expected 05:00 UT).

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 063, sur la base de 17 stations.

Indices solaires pour 29 Mar 2014

Nombre de Wolf, observé par Catania	///
Flux solaire à 10 cm	143
AK Chambon La Forêt	010
AK Wingst	008
Ap estimé	008
Nombre international de taches solaires estimé	084 - Basé sur 26 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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