Arşiv Çarşamba, 30 Temmuz 2025 görüntüleniyor

SIDC'den güneş ve jeomanyetik aktivite hakkında günlük bülten

Yayınlandı: 2025 Jul 30 1231 UTC

SIDC Tahmini

Güneş patlamaları

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

Jeomanyetizma

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

Güneş protonları

Quiet

	10cm akı	Ap
30 Jul 2025	154	016
31 Jul 2025	156	018
01 Aug 2025	158	015

Güneş Aktif Bölgeleri ve parlama

Solar flaring activity was at low levels with low C-class flaring over the past 24 hours. A total of 11 numbered sunspot groups were identified on the visible solar disk. The most notable activity was a C3.7 flare (SIDC Flare 4962) with peak time 22:05 UTC on July 29, produced by a region behind the north-west limb. SIDC Sunspot Group 572 (NOAA Active Region 4155) classified as magnetic type beta has exhibited some growth and was responsible for most of the on-disc flaring activity over the past 24 hours with some contributions from SIDC Sunspot Group 539 (NOAA Active Region 4157). The remaining active regions on the visible solar disc have been mostly quiet. The solar flaring activity is expected to increase to moderate levels over the next 24 hours with likely M-class flaring.

Koronal Kütle Atılımı

No Earth-directed coronal mass ejections (CMEs) have been identified in the available coronagraph imagery.

Güneş rüzgarı

Over the past hours the solar wind parameters as measured by ACE have registered some enhancements, possibly indicating the expected connection to a high-speed stream from a negative polarity coronal hole. The magnitude of the interplanetary magnetic field (B) reached 12.8 nT with a minimum Bz of -5.2 nT. The solar wind speed reached 500 km/s. The B field phi angle was entirely in the negative sector (directed towards the Sun). Enhanced solar wind conditions are expected to continue over the next two days.

Jeomanyetizma

The geomagnetic conditions over the past 24 hours were quiet to unsettled. Quiet to active geomagnetic conditions are expected for the next 48 hours with possible isolated minor storms intervals related to the expected influence of a high speed stream arrival.

Proton akı seviyeleri

Over the past 24 hours the greater than 10 MeV GOES proton flux has been at nominal levels and is expected to remain at nominal levels over the next days.

Jeostatik yörüngedeki elektron akıları

The greater than 2 MeV electron flux as measured by GOES 18 has briefly exceeded the 1000 pfu threshold over the last 24 hours, while the greater than 2 MeV electron flux as measured by GOES 19 remained below the 1000 pfu threshold. The greater than 2 MeV electron flux is expected to be predominantly below the 1000 pfu threshold in the next 24 hours, though it might increase again over the next days with the expected high speed stream arrival. The 24-hour electron fluence was at nominal levels and is expected to remain so in the next 24 hours.

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

29 Jul 2025 için güneş endeksleri

Kurt numarası Catania	///
10cm güneş akısı	152
AK Chambon La Forêt	010
AK Wingst	008
Tahmini Ap	008
Tahmini uluslararası güneş lekesi sayısı	133 - 26 istasyonlarına göre

Dikkat çeken olayların özeti

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

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