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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Jul 30 1230 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
30 Jul 2018	068	005
31 Jul 2018	068	006
01 Aug 2018	068	008

Bulletin

Solar activity was at very low levels. A B1 flare peaking at 21:48UT on 29 July had its source in the spotless faculae field near S08E65. No coronal mass ejections (CMEs) were observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal levels.

Solar activity is expected to remain at very low levels.

Solar wind speed gradually declined from about 330 to 275 km/s by 10:30UT, then increased to values around 330 km/s (DSCOVR). Bz varied mostly between -4 and +5 nT, being predominately negative during the first half of the period. The interplanetary magnetic field was mostly directed towards the Sun. Mostly quiet geomagnetic conditions were observed, with unsettled conditions recorded by Dourbes during the 18-21UT and 06-09UT intervals.

Mostly quiet geomagnetic conditions are expected, with a chance on an isolated unsettled episode.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 27 Stationen.

Solarindizes für den 29 Jul 2018

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	///
AK Wingst	006
Geschätzer Ap-Wert	005
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 28 Stationen

Zusammenfassung auffälliger Ereignisse

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

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