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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2013 May 23 1207 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Major magstorm expected (A>=50 or K>=6)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
23 May 2013	134	011
24 May 2013	135	007
25 May 2013	135	031

Bulletin

Solar Activity was active the last 24 hours with several C-class flares and 1 M5 flare peaking around 13:32 UT on May 22d with origin AR NOAA 1745. It was associated with a proton event where levels were above the 10.0 pfu treshold for > 10 Mev, > 30 Mev and > 50 MeV. A CME associated with this M5 flare was detected by LASCO C3 around 15:00 UT, from the available information, the CME has an angular width of around 120 degrees and a speed around 1000 km/s. Based on this data the CME will reach Earth on May 25th around 17:00 UT. A second, slower CME (500 km/s) with angular width around 90 degrees was detected by LASCO C3 at 10:18 UT from the same source region (NOAA 1745) due to a C flare around 9:45 UT, this CME is not directed towards Earth and will partially dissipate in the first CME. Geomagnetic conditions where moderate (K=3) and are expected to remain quiet to moderate until the arrival of the CME on May 25th around 17:00 UT where K levels can reach major storm levels. (K = 6)

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 075, basierend auf 08 Stationen.

Solarindizes für den 22 May 2013

Wolf-Zahl Catania	///
10cm Solarflux	133
AK Chambon La Forêt	020
AK Wingst	013
Geschätzer Ap-Wert	013
Geschätzte internationale Sonnenfleckenzahl	087 - Basierend auf 19 Stationen

Zusammenfassung auffälliger Ereignisse

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

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