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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Aug 19 1231 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
19 Aug 2019	068	005
20 Aug 2019	068	007
21 Aug 2019	068	011

Bulletin

The solar activity has been quiet over the past 24 hours. The sun is currently spotless and the X-ray flux remained below B-level. Solar activity is expected to remain at low levels for the next 24 hours.

No Earth-directed coronal mass ejections (CME) were observed over the last 24 hours in the available coronagraph imagery. The greater than 10 MeV proton flux remained at background levels over the past 24 hours and is expected to remain at low levels.

Earth is currently into the slow solar wind regime: The wind speed ranged between 340 km/s and 380 km/s, the total interplanetary magnetic field was below 5 nT, and the Bz component varied between -4 nT and +3 nT. The solar wind parameters may slightly get enhanced due to the effect of a southern coronal hole of negative polarity that was facing Earth on August 18 in about two days.

Quiet geomagnetic conditions were observed over the past 24 hours, and is expected to remain for the next period.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 22 Stationen.

Solarindizes für den 18 Aug 2019

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	009
AK Wingst	007
Geschätzer Ap-Wert	006
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 25 Stationen

Zusammenfassung auffälliger Ereignisse

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

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