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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Jul 13 1247 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
13 Jul 2018	072	002
14 Jul 2018	073	006
15 Jul 2018	073	011

Bulletin

During the past 24 hours no flares have been recorded. The only numbered sunspot group on the visible side of the Sun - Catania sunspot group 89 - has some potential to produce low flaring activity. The greater than 10MeV proton flux remained at background levels over the past 24 hours. No Earth directed CMEs were detected. Solar activity is expected to remain low over the next 24 hours. The maximum value of the solar wind speed, during last 24 hours, was reached at about 05:30 UT on July 13, and it amounted about 495 km/s. The solar wind speed is slowly decreasing and its present value is about 460 km/s. The interplanetary magnetic field magnitude amounts about 5 nT. Geomagnetic conditions were stable at the planetary level Kp index=1 (NOAA) and locally ranged between K index 1-3 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet today and tomorrow. Mostly unsettled geomagnetic conditions can be expected on July 15 due to the influence of the small negative polarity equatorial coronal hole, which reached central meridian earlier today (13 July).

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 007, basierend auf 20 Stationen.

Solarindizes für den 12 Jul 2018

Wolf-Zahl Catania	000
10cm Solarflux	072
AK Chambon La Forêt	018
AK Wingst	009
Geschätzer Ap-Wert	009
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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