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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2022 Jun 22 1231 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
22 Jun 2022	139	010
23 Jun 2022	139	007
24 Jun 2022	139	007

Bulletin

The solar flaring activity was at low levels over the past 24 hours with only C-class flares from different sunspot groups. Currently several sunspots are visible on the west hemisphere seen from Earth and only three of them show some flaring activity: Catania sunspots group 45 (NOAA active region 3030), Catania sunspots group 44 (NOAA active region 3031) and Catania sunspots group 53 (NOAA active region 3038). The larger flare was a C5.6-class flare from Catania sunspots group 44 (NOAA active region 3031) at 16:21 UTC. While the complexed bipolar Catania sunspots group 53 (NOAA active region 3038, beta-gamma magnetic configuration) is still growing, it did not produce any flare above C-1.9-class. We expect mostly C-class flares with a small chance of isolated M-class flares.

No Earth-directed Coronal Mass Ejections (CMEs) have been detected in the available coronagraph images over the past 24 hours.

The greater than 10 MeV proton flux was at nominal levels over the past 24 hours and is expected to remain so for the next 24 hours. The greater than 2 MeV electron flux returned to values below 1000 pfu alert threshold and it is expected to remain so during the next 24 hours. The electron fluence was at moderate levels and is expected to return to normal levels in the next 24 hours.

The solar wind parameters in Earth environment slowly returned to slow wind speed regime.The solar wind speed decreased from about 540 km/s to the current value of 410 km/s. The interplanetary magnetic field magnitude showed values below 8 nT. The Bz component of the interplanetary magnetic field fluctuated between -5 nT and 5 nT. The solar wind conditions are expected to continue to return slowly to slow wind speed conditions in the following days.

The geomagnetic conditions were quiet to unsettle (NOAA Kp and local K-Belgium 1-3). The geomagnetic conditions are expected to be mostly quiet with possible sporadic periods of unsettled conditions.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 097, basierend auf 18 Stationen.

Solarindizes für den 21 Jun 2022

Wolf-Zahl Catania	131
10cm Solarflux	139
AK Chambon La Forêt	015
AK Wingst	010
Geschätzer Ap-Wert	011
Geschätzte internationale Sonnenfleckenzahl	102 - Basierend auf 25 Stationen

Zusammenfassung auffälliger Ereignisse

Zur Verfügung gestellt vom Solar Influences Data Analysis Center© - SIDC - Verarbeitet von SpaceWeatherLive

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