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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2020 Mar 19 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
19 Mar 2020	072	015
20 Mar 2020	072	010
21 Mar 2020	072	007

Bulletin

The Sun is spotless and did not produce any flares in the past 24 hours. The chance for a C flare in the next 24 hours is estimated at only 1%.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours.

Solar wind speed near Earth as registered by DSCOVR increased from about 400 to 500 km/s in the past 24 hours. The Interplanetary Magnetic Field (IMF) was predominantly oriented towards the Sun, and its magnitude varied between about 2 and 8 nT. Bz was mostly below or near -5 nT between about 22:45 UT on March 18 and 2:30 UT on March 19. Quiet to slightly enhanced solar wind conditions are expected in the next 24 hours.

Quiet to active geomagnetic conditions (K Dourbes between 1 and 4; NOAA Kp between 2 and 4) were registered in the past 24 hours. Quiet to unsettled geomagnetic levels (K Dourbes < 4) are expected on March 19, 20 and 21, with a chance for active intervals (K Dourbes = 4).

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 23 Stationen.

Solarindizes für den 18 Mar 2020

Wolf-Zahl Catania	///
10cm Solarflux	072
AK Chambon La Forêt	024
AK Wingst	008
Geschätzer Ap-Wert	007
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 20 Stationen

Zusammenfassung auffälliger Ereignisse

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

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