Arşiv Çarşamba, 25 Haziran 2025 görüntüleniyor

SIDC'den güneş ve jeomanyetik aktivite hakkında günlük bülten

Yayınlandı: 2025 Jun 25 1239 UTC

SIDC Tahmini

Güneş patlamaları

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

Jeomanyetizma

Minor storm expected (A>=30 or K=5)

Güneş protonları

Quiet

	10cm akı	Ap
25 Jun 2025	119	019
26 Jun 2025	117	035
27 Jun 2025	115	027

Güneş Aktif Bölgeleri ve parlama

Solar flaring activity was low over the past 24 hours, with only C-class flares identified. The largest flare was a C3.1 flare (SIDC Flare 4748) peaking on June 24 at 15:45 UTC, which was produced by SIDC Sunspot Group 526 (NOAA Active Region 4117). A total of 6 numbered sunspot groups were identified on the disk over the past 24 hours. Five sunspot groups (SIDC Sunspot Groups 526, 527, 530, 532, and 533) have beta magnetic configurations. Almost all C-class flarings were produced by SIDC Sunspot Groups 527 and 526 (NOAA ARs 4118 and 4117). The solar flaring activity is expected to be at low to moderate levels over the next 24 hours with C-class flares expected, M-class flares probable, and a small chance of X-class flares.

Koronal Kütle Atılımı

A narrow coronal mass ejection (CME) was observed on SE limb in SOHO/LASCO-C2 images around 16:24 UTC on Jun 24 (as detected by CACTUS tool). This CME was associated with flaring activites from the SIDC Sunspot Groups 527 and 526 (NOAA ARs 4118 and 4117), and it is not expected to arrive at the Earth. No other Earth-directed CMEs were detected in the available coronagraph observations during last 24 hour.

Güneş rüzgarı

Earth was under the influence of sector boundary crossing and was possibly followed by the solar wind from the SIDC Coronal Hole 116 (negative polarity) which started to cross the central meridian on Jun 21. The solar wind speed ranged between 390 km/s and 480 km/s. The North-South component (Bz) ranged between -6 and 8 nT. The interplanetary magnetic field ranged between 1 nT and 10 nT. Enhanced solar wind parameters are expected in the next 24 hours with the further arrival of high speed streams from the same coronal hole.

Jeomanyetizma

Geomagnetic conditions were at quiet to unsettled conditions (NOAA Kp 1 and K_BEL 1 to 3) both globally and locally during the past 24 hours. We expect unsettled to minor storm conditions (K 3 to 5) in the next 24 hours with the further arrival of high speed streams from the SIDC Coronal Hole 116 (negative polarity) which started to cross the central meridian on Jun 21.

Proton akı seviyeleri

The greater than 10 MeV GOES proton flux was below the threshold level over the past 24 hours and it is expected to remain so for the next 24 hours.

Jeostatik yörüngedeki elektron akıları

The greater than 2 MeV electron flux, as measured by GOES-19, mostly remained below the threshold level, except from 14:30 UTC to 17:30 UTC on Jun 24, when it fluctuated around the threshold level. The greater than 2 MeV electron flux, as measured by GOES-18 satellite, reached above the threshold level at 16:00 UTC on Jun 24 and dropped below it at 00:45 UTC on Jun 25. In the next 24 hours, the electron flux may briefly exceed the threshold level again. The 24h electron fluence is presently at normal level, and it 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.

24 Jun 2025 için güneş endeksleri

Kurt numarası Catania	089
10cm güneş akısı	120
AK Chambon La Forêt	013
AK Wingst	013
Tahmini Ap	011
Tahmini uluslararası güneş lekesi sayısı	080 - 24 istasyonlarına göre

Dikkat çeken olayların özeti

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

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