Arşiv Salı, 19 Ağustos 2025 görüntüleniyor

SIDC'den güneş ve jeomanyetik aktivite hakkında günlük bülten

Yayınlandı: 2025 Aug 19 1231 UTC

SIDC Tahmini

Güneş patlamaları

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

Jeomanyetizma

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

Güneş protonları

Quiet

	10cm akı	Ap
19 Aug 2025	116	019
20 Aug 2025	116	021
21 Aug 2025	118	012

Güneş Aktif Bölgeleri ve parlama

Solar flaring activity was moderate over the past 24 hours, with 1 M-class flare identified. A total of 7 numbered sunspot groups were identified on the disk over the past 24 hours, having all Alpha or Beta magnetic configuration. The largest flare was a M1.1 flare (SIDC Flare 5177) peaking on August 19 at 04:39 UTC, which was produced by SIDC Sunspot Group 572 (NOAA Active Region 4188), who has a Alpha magnetic configuration and was growing over the past 24 hours. Solar flaring activity is expected to be low over the next 24 hours, with C-class flares likely and a small chance for M-class flares.

Koronal Kütle Atılımı

No new Earth-directed Coronal Mass Ejections (CMEs) have been detected in the available coronagraph images.

Güneş rüzgarı

The solar wind conditions at Earth were mainly slow over the past 24 hours. The speed started to increase slightly from 350km/s to 420 km/s. The interplanetary magnetic field reached a maximum of 16 nT with the Bz reaching a minimum value of -7 nT. The solar wind speed is expected to become enhanced in the next 24 hours, due to the potential arrival of the high-speed stream (HSS) associated with the SIDC coronal hole 116.

Jeomanyetizma

Geomagnetic activity was quiet to unsettled over the past 24 hours both globally and locally. In response to the expected arrival of high-speed stream, geomagnetic conditions are expected to reach active level in the next 24 hours.

Proton akı seviyeleri

The greater than 10 MeV proton flux remained below the 10 pfu threshold and is expected to remain so over the next days.

Jeostatik yörüngedeki elektron akıları

The greater than 2 MeV electron flux measured by GOES 18 and GOES 19 has dropped below the 1000 pfu threshold. Electron flux levels are expected to remain below the 1000 pfu threshold over the next 24 hours. The 24-hour electron fluence returned to normal levels and is expected to remain so over the next 24 hours.

Bugünün tahmini uluslararası güneş lekesi sayısı (ISN): 1 Tahmini gunes lekesi sayisi, 2 Istasyon sayisi.

18 Aug 2025 için güneş endeksleri

Kurt numarası Catania	049
10cm güneş akısı	114
AK Chambon La Forêt	016
AK Wingst	011
Tahmini Ap	010
Tahmini uluslararası güneş lekesi sayısı	057 - 32 istasyonlarına göre

Dikkat çeken olayların özeti

Güneş Etkileri Veri Analiz Merkezi tarafından sağlanmıştır© - SIDC - SpaceWeatherLive tarafından işlendi

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