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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Mar 31 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
31 Mar 2019	069	012
01 Apr 2019	069	013
02 Apr 2019	068	007

Bulletin

Solar flaring activity remains very low, without any flares reported during last 24 hours. We expect such a low activity to persist in the coming hours. There were no Earth directed CMEs reported during last 24 hours and the solar protons remained at the background level.

The in situ data indicate possible late arrival of the solar wind, associate with negative polarity equatorial coronal hole which reached central meridian on March 25. The fluctuations of the interplanetary magnetic field started at about 02:40 UT this morning, simultaneously with the increase of the density. The solar wind speed is still low amounting about 410 km/s and the interplanetary magnetic field magnitude is about 6 nT. The geomagnetic conditions are presently unsettled to active, local station at Dourbes reported K=3 and NOAA reported Kp=4 at about 06 UT this morning. We expect unsettled to possibly active geomagnetic conditions in the coming hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 22 Stationen.

Solarindizes für den 30 Mar 2019

Wolf-Zahl Catania	///
10cm Solarflux	069
AK Chambon La Forêt	007
AK Wingst	004
Geschätzer Ap-Wert	002
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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