查看星期二, 8 7月 2025歷史檔案

SIDC 太陽影響數據分析中心的每日公告

發布時間: 2025 Jul 08 1231 UTC

SIDC太陽影響數據分析中心的預報

太陽閃焰

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

地磁

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

太陽質子

Quiet

	10公分通量	Ap
08 Jul 2025	121	010
09 Jul 2025	119	010
10 Jul 2025	123	008

太陽活動區和耀斑

Solar flaring activity was moderate over the past 24 hours, with 1 M-class flare identified. The largest flare was a M2.4 flare (SIDC Flare 4813) peaking on July 08 at 04:17 UTC, which erupted behind the Suns east limb. A total of 7 numbered sunspot groups were identified on the disk over the past 24 hours. All regions on disk have either an Alpha or Beta magnetic configuration. Solar flaring activity is expected to be low over the next 24 hours, with C-class flares very likely and a chance for M-class flares.

日冕物質拋射

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

日冕洞

Returning SIDC Coronal Hole 104 (mid-latitude coronal hole with a positive polarity) started to cross the central meridian on July 08. The high-speed stream (HSS) from this coronal hole is expected to enhance the solar wind near Earth on July 11.

太陽風

In the past 24 hours solar wind conditions at Earth were disturbed, due to the waning influence of a high-speed stream (HSS), associated with SIDC coronal hole 111. The total interplanetary magnetic field ranged from 6 nT to a peak of 10 nT, with the Bz component reaching a minimum of -8 nT. The solar wind speed ranged from 496 km/s to 606 km/s. The phi-angle was mainly in the negative sector (directed towards the Sun) with periods in the positive sector. The solar wind conditions are expected to remain disturbed in the next 24 hours due to the ongoing influence of the HSS.

地磁

The geomagnetic conditions over the past 24 hours reached active conditions globally (Kp 4) and were unsettled locally (K BEL 3). Quiet to active conditions are expected for the next 24 hours.

質子通量水平

Over the past 24 hours, the greater than 10 MeV GOES proton flux was at background levels and is expected to remain so over the next days.

地球靜止軌道上的電子通量

The greater than 2 MeV electron flux, as measured by the GOES-18 and GOES-19 satellite, remained below the 1000 pfu threshold over the past 24 hours. The electron flux is expected to remain below the threshold level over the next 24 hours. The 24-hour electron fluence was at normal levels and is expected to remain at normal levels over the next 24 hours.

今日估計的國際太陽黑子數（ISN）：088，基於11個觀測站。

太陽活動指數 07 Jul 2025

卡塔尼亞沃爾夫數	140
10厘米太陽通量	118
AK Chambon La Forêt	030
AK Wingst	024
估計地磁Ap指數	028
估計國際太陽黑子數	095 - 基於19個觀測站

顯著活動摘要

由太陽影響數據分析中心提供© - SIDC - 由 SpaceWeatherLive處理

所有時間均採用 UTC 時間

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