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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2023 Nov 25 1300 UTC

Vorhersage des SIDC

Sonneneruptionen

M-class flares expected (probability >=50%)

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
25 Nov 2023	178	022
26 Nov 2023	220	024
27 Nov 2023	270	016

Solaraktive Regionen und Flares

Solar flaring activity was moderate over the past 24 hours. NOAA AR 3490 was the source of the flare with the highest output in X-ray over the past 24 hours, the C5.5 flare, which peaked at 24 November 22:20 UT.

Koronaler Massenauswurf

A CME as seen in Lasco C2 on 24 November 10:00 UT is believed to be associated with the M1.1 flare with source region 3489, occurring on 24 November 09:34 UT. The CME has the potential of a glancing blow early 27 of November.

Koronale Löcher

The mid latitude positive polarity coronal hole is in geo- effective position.

Sonnenwind

A shock in the solar wind at 07:55 UTC on November 15 marks the arrival of the ICME from November 22. The speed jumped from 490 km/s to 540 km/s and the interplanetary magnetic field from 9 to 14 nT. Further high speed stream influences and a possible second ICME arrival (from CME occurring at 22 November 21:12UT) can be expected over the next 24 hours.

Geomagnetismus

The arrival of the ICME from November 22 created minor storm geomagnetic conditions globally (Kp 5) and active conditions locally (K_Bel 4). A combination of influences from a high speed stream and a possible second ICME arrival (from CME occurring at 22 November 21:12UT) can be expected over the next 24 hours.

Protonenflusswerte

Over the past 24 hours the greater than 10 MeV GOES proton flux was below threshold and is expected to most likely remain so over the next 24 hours, but keeping in mind the presence of multiple magnetically complex regions on disk.

Elektronenflüsse im geostationären Orbit

The greater than 2 MeV electron flux crossed the 1000 pfu threshold on 24 November 14:15UT, as measured by GOES 16. It is expected to be at moderate levels in the next 24 hours. The 24 hour electron fluence was close to moderate levels, it is expected to be about moderate levels for the next 24 hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 182, basierend auf 11 Stationen.

Solarindizes für den 24 Nov 2023

Wolf-Zahl Catania	205
10cm Solarflux	178
AK Chambon La Forêt	019
AK Wingst	010
Geschätzer Ap-Wert	008
Geschätzte internationale Sonnenfleckenzahl	175 - Basierend auf 20 Stationen

Zusammenfassung auffälliger Ereignisse

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

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