查看星期三, 25 10月 2023歷史檔案

SIDC 太陽影響數據分析中心的每日公告

發布時間: 2023 Oct 25 1231 UTC

SIDC太陽影響數據分析中心的預報

太陽閃焰

Quiet conditions (<50% probability of C-class flares)

地磁

Quiet (A<20 and K<4)

太陽質子

Quiet

	10公分通量	Ap
25 Oct 2023	121	006
26 Oct 2023	121	013
27 Oct 2023	121	016

太陽活動區和耀斑

The solar flaring activity was at low levels, with several C-class flares recorded in the past 24 hours. The largest flare was an C4.2 flare, peaking at 00:01 on Oct 25, associated with the region near N16E58. Other regions on the disc have simple configuration of their photospheric magnetic field (alpha and beta) and did not show any significant flaring activity. The solar flaring activity is expected to be at low level over the next 24 hours with a chance for C-class flares.

日冕物質拋射

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

太陽風

Over the past 24 hours the solar wind parameters were reflecting slow solar wind conditions. The solar wind speed decreased from values around 380 km/s to 300 km/s. The interplanetary magnetic field magnitude was below 6 nT. The southward component of the interplanetary magnetic field fluctuated between -3 nT and 6 nT. Slow solar wind conditions are expected to prevail during the next days, with a chance of a weak enhancement on Oct 26-27 due to arrival of a high-speed stream from a positive polarity coronal hole, that transited the central meridian on Oct 23.

地磁

Geomagnetic conditions over the past 24 hours were quiet (NOAA Kp: 0 to 1 and K-BEL: 1 to 2). Geomagnetic conditions are expected to be at quiet levels with a chance of increasing to unsettled and active conditions on Oct 26 - 27 in response to the high-speed stream arrival associated with the small equatorial coronal hole (positive polarity) that transited the central meridian on Oct 23.

質子通量水平

Over the past 24 hours the greater than 10 MeV GOES proton flux was at nominal 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 remained below the 1000 pfu threshold as measured by GOES 16. It is expected to remain below this threshold over the next days. The 24 hour electron fluence was at normal levels and is expected to remain so.

今日估計的國際太陽黑子數（ISN）：029，基於09個觀測站。

太陽活動指數 24 Oct 2023

卡塔尼亞沃爾夫數	053
10厘米太陽通量	121
AK Chambon La Forêt	008
AK Wingst	004
估計地磁Ap指數	003
估計國際太陽黑子數	038 - 基於20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

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