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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 Dec 19 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

C-class flares expected, (probability >=50%)

Geomagnetismus

Minor storm expected (A>=30 or K=5)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
19 Dec 2015	117	018
20 Dec 2015	117	013
21 Dec 2015	117	007

Bulletin

The Sun produced two C flares in the past 24 hours. The brightest flare was a C3.1 flare released by NOAA AR 2468, peaking at 2:04 UT on December 19. C flares are possible within the next 24 hours, with a chance (15%) for an M flare. During the past 24 hours, the solar wind speed gradually decreased from about 400 to 350 km/s with intermittent peaks up to 440 km/s. The magnitude of the Interplanetary Magnetic Field varied between 1 and 6 nT. During the past 24 hours, quiet to unsettled geomagnetic levels were registered (K Dourbes between 1 and 3, NOAA Kp between 1 and 3). Due to the expected arrival of the December 16 CMEs, active to minor storm conditions (K Dourbes = 4-5) are expected on December 19, with a chance for moderate to major storm conditions (K Dourbes = 6-7). Quiet to unsettled geomagnetic levels are expected on December 20 and 21, with a chance for active (K Dourbes = 4) excursions.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 049, basierend auf 11 Stationen.

Solarindizes für den 18 Dec 2015

Wolf-Zahl Catania	///
10cm Solarflux	117
AK Chambon La Forêt	009
AK Wingst	007
Geschätzer Ap-Wert	005
Geschätzte internationale Sonnenfleckenzahl	050 - Basierend auf 14 Stationen

Zusammenfassung auffälliger Ereignisse

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

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