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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2020 Jul 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 Jul 2020	069	009
16 Jul 2020	070	005
17 Jul 2020	070	004

Bulletin

Solar activity was at very low levels and is expected to remain so.

No earth-directed coronal mass ejections (CMEs) were observed in the available coronagraphic imagery.

The greater than 10 MeV proton flux and the greater than 2 MeV electron flux were at nominal levels during the last 24 hours and are expected to remain so for the next 24 hours.

The solar wind speed ranged between 330 and 415 km/s (DSCOVR) over the past 24 hours. The total magnetic field fluctuated around 7 nT with a maximum value of 9 nT recorded. Bz was predominantly positive, ranging between -5 and +7 nT. The direction of the interplanetary magnetic field (phi angle) was mostly directed away from the Sun (positive sector).

Geomagnetic activity was quiet with a brief unsettled interval recorded by local K Dourbes (local K Dourbes and NOAA Kp recorded values between 0-3 and 0-2, respectively). Geomagnetic conditions are expected to be quiet to unsettled on July 15, with the possibility of an isolated active interval not excluded, due to coronal hole wind stream effects. Conditions are then expected to return to quiet levels from 16 July.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 001, basierend auf 14 Stationen.

Solarindizes für den 14 Jul 2020

Wolf-Zahl Catania	000
10cm Solarflux	069
AK Chambon La Forêt	011
AK Wingst	012
Geschätzer Ap-Wert	012
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 23 Stationen

Zusammenfassung auffälliger Ereignisse

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

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