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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2022 Mar 18 1231 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
18 Mar 2022	103	007
19 Mar 2022	101	007
20 Mar 2022	101	014

Bulletin

There are four active regions on the visible solar disc. NOAA AR 2965 has decayed into a beta magnetic field configuration, it has decreased in size and produced the only C-class flare of the past 24 hours (C1.0 with peak at 19:18 UT on 17 March). The other regions are small and have simple magnetic field configurations. For the next 24 hours, C-class flares can still be expected.

No Earth directed CMEs were observed in the past 24 hours. The CME from 16 March may arrive to to the Earth on 20 March.

The greater than 10 MeV proton flux was at nominal levels and is expected to remain so in the next 24 hours. The greater than 2MeV electron flux was under the 1000 pfu threshold and is expected to remain so for the next 24 hours. The 24h electron fluence was at normal levels and is expected to remain so in next 24 hours.

The Earth is inside a slow solar wind flow, with solar wind speeds close to 300 km/s and an interplanetary magnetic field magnitude around 5 nT. Similar conditions are expected for the next 24 hours.

The geomagnetic conditions over the past 24 hours were mostly quiet (K_Bel = 1-3 and Kp = 2) . Similar conditions can be expected for the next 24 hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 033, basierend auf 17 Stationen.

Solarindizes für den 17 Mar 2022

Wolf-Zahl Catania	///
10cm Solarflux	103
AK Chambon La Forêt	008
AK Wingst	005
Geschätzer Ap-Wert	004
Geschätzte internationale Sonnenfleckenzahl	046 - Basierend auf 17 Stationen

Zusammenfassung auffälliger Ereignisse

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

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