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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2014 May 28 1223 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
28 May 2014	104	006
29 May 2014	102	006
30 May 2014	100	007

Bulletin

There are currently 6 sunspot groups visible on the solar disk, all having simple magnetic configurations. NOAA 2065 produced the strongest flare from just behind the west limb. This C4 flare peaked on 27 May at 14:15UT and was associated to a jetlike CME. It had a speed of nearly 300 km/s, but was not directed to Earth. A new sunspot region developed southeast of NOAA 2073 early on 28 May. There remains a chance on a C-class flare. Solar wind speed gradually increased from 300 to 350 km/s. It is currently stable at 340 km/s, with Bz varying between +6 and -5 nT. The geomagnetic field was quiet. A small coronal hole that passed the central meridian on 25-26 May could influence the geomagnetic field starting late on 29 May. Geomagnetic conditions are expected to be quiet, though locally a brief active episode on 29-30 May is not excluded.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 059, basierend auf 07 Stationen.

Solarindizes für den 27 May 2014

Wolf-Zahl Catania	089
10cm Solarflux	106
AK Chambon La Forêt	008
AK Wingst	005
Geschätzer Ap-Wert	004
Geschätzte internationale Sonnenfleckenzahl	056 - Basierend auf 15 Stationen

Zusammenfassung auffälliger Ereignisse

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

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