Affichage des archives de vendredi, 4 mars 2016

Bulletin quotidien sur l'activité solaire et géomagnétique du SIDC

Publié: 2016 Mar 04 1241 UTC

Prévisions SIDC

Éruptions solaires

Quiet conditions (<50% probability of C-class flares)

Géomagnétisme

Quiet (A<20 and K<4)

Moniteur de Flux de Proton

Quiet

	Flux de 10 cm	Ap
04 Mar 2016	099	011
05 Mar 2016	098	009
06 Mar 2016	095	008

Bulletin

Solar activity remains to be low. The only C-class flare reported during the last 24 hours was the C1.1 flare (peaked at 09:00 UT this morning) which originated from the Catania sunspot group 27 (NOAA 2506) currently situated close to the West solar limb. The flare was associated with the EIT wave and the coronal dimming. The presence of these on-disc signatures of the CME gives indication that the flare had an associated CME. More information will be reported as soon as coronagraph data become available. The filament eruption with the source region at the center of the solar disc, was observed on March 3, at about 15:30 UT. The associated CME might be Earth-directed. However, this cannot be presently confirmed due to the data gap in SOHO/LASCO and STEREO observations. The flaring activity at the C-class level is possible in the coming hours. No Earth directed CMEs were observed in the last 24 hours.

The solar wind speed has decrease to about 380 km/s, and the interplanetary magnetic field magnitude is about 5 nT. Although not very probable, the arrival of the fast solar wind associated with the small equatorial coronal hole which reached the central meridian in the morning of March 2, might arrive at the Earth on March 5. The geomagnetic conditions are quiet to unsettled, and we expect them to remain so in the coming hours.

Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 100, sur la base de 12 stations.

Indices solaires pour 03 Mar 2016

Nombre de Wolf, observé par Catania	///
Flux solaire à 10 cm	099
AK Chambon La Forêt	014
AK Wingst	006
Ap estimé	006
Nombre international de taches solaires estimé	067 - 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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