查看星期一, 28 8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 Aug 28 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

Quiet (A<20 and K<4)

太陽質子

Quiet

	10公分通量	Ap
28 Aug 2023	143	006
29 Aug 2023	141	007
30 Aug 2023	141	007

太陽活動區和耀斑

The solar flaring activity was at low levels, with one C-class flare being detected in the last 24 hours. The largest flare was an C1.0 flare, peaking at 04:02 on Aug 28, associated with AR behind the west limb. There are five active regions visible on the disk. NOAA AR 3413 (beta class) and NOAA AR 3415 (beta-delta class) are the most complex active regions on the disk but were quiet. Other regions on the disc have simple configuration of their photospheric magnetic field (alpha) and did not show any significant flaring activity. The solar flaring activity is expected to be at low levels over the next 24 hours with C-class flares likely and M-class flares possible.

日冕物質拋射

There were no Earth-directed Coronal Mass Ejections (CMEs) detected in the available coronagraph observations in the last 24 hours.

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 460 km/s to 325 km/s. The interplanetary magnetic field magnitude was below 6 nT. The southward component of the interplanetary magnetic field fluctuated between -5 nT and 4 nT. The magnetic field orientation was predominantly in the positive sector (field directed away from the Sun). Slow solar wind conditions are expected to prevail during the next days, with a low chance of a weak enhancement on Aug 30 due to a possible arrival of the CME from Aug 26.

地磁

Geomagnetic conditions were quiet to unsettled (NOAA Kp<4 and K_BEL<4). Mostly quiet to unsettled conditions can be 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 nominal levels and is expected to remain so over the next 24 hours.

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 so in the next 24 hours. 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）：083，基於18個觀測站。

太陽活動指數 27 Aug 2023

卡塔尼亞沃爾夫數	///
10厘米太陽通量	142
AK Chambon La Forêt	013
AK Wingst	///
估計地磁Ap指數	016
估計國際太陽黑子數	081 - 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

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