Publié: 2018 May 21 1230 UTC
Quiet conditions (<50% probability of C-class flares)
Active conditions expected (A>=20 or K=4)
Quiet
| Flux de 10 cm | Ap | |
|---|---|---|
| 21 May 2018 | 069 | 005 |
| 22 May 2018 | 070 | 007 |
| 23 May 2018 | 071 | 010 |
Solar activity was at very low levels. A new sunspot region has rounded the east limb (Catania 82), but it is small and -so far- inactive. No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels. Solar activity is expected to be at very low levels. The solar wind speed at L1 is below 400 km/s with interplanetary magnetic field magnitude of 5 nT (recorded by ACE). Geomagnetic conditions have been quiet and are expected to remain so. On May 23, the high speed solar wind from the positive polarity extension of the northern polar coronal hole may arrive to the Earth and cause disturbed geomagnetic conditions (although it might pass north of the Earth without affecting it).
Estimation du nombre international de taches solaires (ISN) pour aujourd'hui : 011, sur la base de 23 stations.
| Nombre de Wolf, observé par Catania | /// |
| Flux solaire à 10 cm | 069 |
| AK Chambon La Forêt | /// |
| AK Wingst | 003 |
| Ap estimé | 003 |
| Nombre international de taches solaires estimé | 000 - Basé sur 30 stations |
| Jour | Commencer | Max | Fin | Loc | Force | OP | 10cm | Catania/NOAA | Types de sursaut radio | |
|---|---|---|---|---|---|---|---|---|---|---|
| Aucun | ||||||||||
Données fournies par le Solar Influences Data analysis Center© - SIDC - Traité par SpaceWeatherLive
Toutes les heures sont indiquées en UTC
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