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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2020 May 13 1231 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
13 May 2020	068	006
14 May 2020	068	006
15 May 2020	068	006

Bulletin

The Sun was spotless. Solar activity was at very low levels and is expected to remain so.

The greater than 10 MeV proton flux and the greater than 2 MeV electron flux were at nominal levels during the last 24 hours and are expected to remain so.

No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery.

Solar wind speed varied between 300 and 325 km/s (DSCOVR). Bz undulated between -4 and +3 nT, with stretches (up to several hours) of mildly negative values. The direction of the interplanetary magnetic field (phi angle) was mostly in a sunward orientation (negative sector), being in a positive sector during some brief intervals.

Geomagnetic activity was at quiet to unsettled levels. Geomagnetic conditions are expected to be mostly quiet with occasional unsettled episodes due to weak coronal hole wind streams.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 20 Stationen.

Solarindizes für den 12 May 2020

Wolf-Zahl Catania	///
10cm Solarflux	069
AK Chambon La Forêt	010
AK Wingst	006
Geschätzer Ap-Wert	004
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 31 Stationen

Zusammenfassung auffälliger Ereignisse

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

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