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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2022 Oct 30 1231 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
30 Oct 2022	131	011
31 Oct 2022	129	009
01 Nov 2022	122	017

Bulletin

Solar flaring activity was at low levels and infrequent, with two C1 flares detected over the last 24 hours. NOAA Active Regions (AR) 3130 (Catania group 72, magnetic type Beta) and 3133 (Catania group 76, magnetic type Beta) produced the C-class activity. Both AR show signs of a small decay but NOAA AR 3130 still has a chance to produce C-class activity. NOAA AR 3135 (magnetic type Beta) produced a B9 flare in the last 24 hours and remains magnetically complex, so C-flare activity from this location is still possible.

No Earth-directed Coronal Mass Ejections were observed in the last 24 hours.

The greater than 10 MeV proton flux was at nominal levels over the past 24 hours and is expected to remain so for the next 24 hours. The greater than 2 MeV electron flux increased significantly during the last 24 hours, however, it remained below the 1000 pfu alert threshold and is expected to stay so during the next 24 hours. The 24h electron fluence also increased following the increase of the greater than 2 MeV electron flux, nevertheless, it remained at nominal levels and is expected to continue so for the next 24 hours.

The Solar Wind (SW) conditions are still affected by the arrival of a High Speed Stream (HSS), on 28 Oct. The SW speed varied between 510 to 610 km/h during the last 24 hours. The total magnetic field (Bt) was at low levels, between 2 and 7 nT, while its north-south component (Bz) fluctuated between -5 and 5 nT over the last 24 hours. The interplanetary magnetic field (phi) angle was predominantly positive (directed away from the Sun) during the last 24 hours. The SW conditions are expected to remain under the influence of the HSS for the next 24 hours, but with a gradual decrease in SW speed.

Geomagnetic conditions reached globally and locally active levels (NOAA Kp and K Belgium 2-4) over the last 24 hours. Quite conditions are expected for the next 24 hours both globally and locally (NOAA Kp and K Belgium up to 3), unless the HSS expected for the second half of 31 Oct arrives early.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 083, basierend auf 13 Stationen.

Solarindizes für den 29 Oct 2022

Wolf-Zahl Catania	///
10cm Solarflux	134
AK Chambon La Forêt	035
AK Wingst	026
Geschätzer Ap-Wert	030
Geschätzte internationale Sonnenfleckenzahl	081 - Basierend auf 16 Stationen

Zusammenfassung auffälliger Ereignisse

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

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