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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2020 Jun 15 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
15 Jun 2020	070	007
16 Jun 2020	070	007
17 Jun 2020	070	007

Bulletin

Active Region NOAA 2765 produced no B or brighter flares in the past 24 hours, it is about to rotate over the western limb. No C-class flares are expected.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery. On June 12 (around 06:00 UT), dimmings on the northern solar hemisphere mark an eruption that went unnoticed before, this is because the CME might have been too narrow to be seen by LASCO. If this was the case, the CME could arrive to the Earth on June 16-17.

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 has remained at around 320 km/s in the past 24 hours. The Interplanetary Magnetic Field (IMF) was oriented away from the Sun, and its magnitude varied between about 3 and 5 nT. Bz was never below -5 nT. The fast solar wind emanating from faint patchy equatorial coronal hole regions may arrive to the Earth in about 48 hours.

Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp between 0 and 1) were registered in the past 24 hours. Mostly quiet levels can be expected for the next 48 hours, with possible active periods from the CME and high speed streams mentioned above.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 008, basierend auf 28 Stationen.

Solarindizes für den 14 Jun 2020

Wolf-Zahl Catania	///
10cm Solarflux	070
AK Chambon La Forêt	006
AK Wingst	002
Geschätzer Ap-Wert	002
Geschätzte internationale Sonnenfleckenzahl	010 - Basierend auf 29 Stationen

Zusammenfassung auffälliger Ereignisse

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

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