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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2016 Aug 25 1230 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
25 Aug 2016	080	008
26 Aug 2016	080	007
27 Aug 2016	080	007

Bulletin

Solar activity was very low with X-ray flux remaining below C level and no flaring events recorded. All pre-existing regions (NOAA 2578, 2579 and 2580) were either in decay or stable. A new region developed this morning near N13E50. Quiet solar conditions are expected to continue with only a small chance for a C flare. Solar proton flux levels are at background values and expected to remain so. No Earth directed CMEs have been observed in coronagraph data.

Solar wind was under the continued influence of a negative polarity coronal hole high speed stream. With magnetic field values at nominal levels around 5nT, solar wind speed remained elevated at values in the 500-600 km/s range with a slight increasing trend. Over the next 24-48 hours solar wind speed should see its recovery to nominal conditions.

Geomagnetic conditions were quiet to active (both K Dourbes and NOAA Kp varying in 1-4 range) under the influence of the elevated solar wind speed. Geomagnetic conditions are expected to become quiet to unsettled with some active periods still possible but showing a generally decreasing trend.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 050, basierend auf 20 Stationen.

Solarindizes für den 24 Aug 2016

Wolf-Zahl Catania	///
10cm Solarflux	078
AK Chambon La Forêt	021
AK Wingst	023
Geschätzer Ap-Wert	024
Geschätzte internationale Sonnenfleckenzahl	050 - Basierend auf 27 Stationen

Zusammenfassung auffälliger Ereignisse

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

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