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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2022 Jul 23 1245 UTC

Vorhersage des SIDC

Sonneneruptionen

C-class flares expected, (probability >=50%)

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
23 Jul 2022	114	018
24 Jul 2022	101	010
25 Jul 2022	112	012

Bulletin

Solar flaring activity was at low levels over the past 24 hours. The largest flare observed was an C1.8-class flare, peaking at 23 July 10:02 UT, originating from NOAA AR 3057. Regions have been mostly stable. The flaring activity is expected to be at low levels over the next 24 hours.

No Earth-directed coronal mass ejections were observed.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours. The proton flux is expected to remain at nominal levels for the next 24 hours. The greater than 2MeV electron flux was about the 1000 pfu threshold over the past 24 hours. It is expected be below to about threshold over the next 24 hours. The 24h electron fluence was at nominal levels over the past 24 hours. It is expected be at nominal to moderate levels over the next 24 hours.

The CME that took place 21 July 01:21UT seems to have arrived about 23 July 02:31UT, when a shock was registered in the solar wind parameters.Over the past 24 hours, the total magnetic field reached the value of 13 nT, while the Bz component decreased to -13 nT. The interplanetary magnetic field phi angle was predominantly on the negative sector (directed towards the Sun). The solar wind speed increased up to 700 km/s. Over the next 24 hours, the combination of HSS influences and CME impact are expected to continue.

Over the past 24 hours, minor storm conditions were registered (NOAA Kp and K Dourbes 5), due to the shock arrival. Over the next 24 hours, quiet to unsettled conditions can be expected, with a small chance of active conditions.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 105, basierend auf 14 Stationen.

Solarindizes für den 22 Jul 2022

Wolf-Zahl Catania	///
10cm Solarflux	114
AK Chambon La Forêt	023
AK Wingst	013
Geschätzer Ap-Wert	014
Geschätzte internationale Sonnenfleckenzahl	104 - Basierend auf 22 Stationen

Zusammenfassung auffälliger Ereignisse

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

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