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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 May 26 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
26 May 2019	067	003
27 May 2019	067	007
28 May 2019	068	015

Bulletin

Over the past 24 hours solar activity has been very low. The visible solar disc was spotless and no significant flares have been recorded. No Earth directed Coronal Mass Ejections (CMEs) have been detected in the available coronagraph imagery. The greater than 10MeV proton flux remained at background levels over the past 24 hours. Solar activity is expected to remain very low over the next 24 hours.

The solar wind was at background levels over the last 24 hours, gradually increasing over the period from 300 km/s to 340 km/s. The total magnetic field strength fluctuated between 0.2 and 4.9 nT. The Bz component ranged between approximately -4 and +3.5 nT.

Geomagnetic conditions have been quiet to unsettled over the past 24 hours, with Kp index (NOAA) ranging between 0-2 and local K index (Dourbes) ranging between 0-2, with one short interval of K equal to 3 at 18 UT on 25 May. Quiet geomagnetic conditions are expected over the next 24 hours. Active intervals (K Dourbes = 4) are possible on May 28, due to the expected arrival of a high speed solar wind stream associated with a recurring, negative polarity equatorial coronal hole which began to traverse the central meridian on 24 May.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 19 Stationen.

Solarindizes für den 25 May 2019

Wolf-Zahl Catania	///
10cm Solarflux	067
AK Chambon La Forêt	008
AK Wingst	006
Geschätzer Ap-Wert	004
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 30 Stationen

Zusammenfassung auffälliger Ereignisse

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

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