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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Aug 18 1737 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
18 Aug 2019	067	006
19 Aug 2019	068	009
20 Aug 2019	067	007

Bulletin

Solar activity was at very low levels. The Sun was spotless. No Earth-directed coronal mass ejections (CME) were observed during the period. The greater than 10 MeV proton flux was at nominal values.

Solar activity is expected to remain at very low levels.

The solar wind speed averaged around 350 km/s over the period. The total interplanetary magnetic field abruptly increased from the values near 6nT till 9 nT around 06 UT today and afterwards gradually decrease till the values around 3 nT. Bz component varied between -5 nT and +3 nT.

Quiet geomagnetic conditions were observed most of the time except 00-03 UT today (August 18) of unsettled geomagnetic conditions. Mostly quiet geomagnetic conditions are expected for the next 48 hours with some isolated episodes of unsettled geomagnetic conditions as the result of an irregular shaped negative polarity coronal hole being in geoeffective position.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 21 Stationen.

Solarindizes für den 17 Aug 2019

Wolf-Zahl Catania	///
10cm Solarflux	///
AK Chambon La Forêt	///
AK Wingst	///
Geschätzer Ap-Wert	///
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 21 Stationen

Zusammenfassung auffälliger Ereignisse

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

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