查看星期六, 23 12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 Dec 23 1241 UTC

SIDC太陽影響數據分析中心的預報

太陽閃焰

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

地磁

Quiet (A<20 and K<4)

太陽質子

Quiet

	10公分通量	Ap
23 Dec 2023	186	011
24 Dec 2023	185	013
25 Dec 2023	184	007

太陽活動區和耀斑

The solar flaring activity was at low level during the last 24 hours, with few C-class flares. The strongest flare was GOES C3.1 flare from NOAA AR 3530 which peaked at 09:14 UTC on Dec 23. During the flare, the source region (AR 3530) of the flare had beta configuration of its photospheric magnetic field. The solar flaring activity is expected to be at low to moderate levels over the next 24 hours with few C-class flares and possibly M-class flares.

日冕物質拋射

No Earth-directed coronal mass ejections (CMEs) were detected in the available coronagraph observations during last 24 hours.

日冕洞

A negative polarity coronal hole (CH), possibly connected to the southern polar CH spanning from 30 - 55 S, crossed the central meridian on Dec 20 and a high speed stream from this CH may arrive to Earth from Dec 23.

太陽風

Earth is presently within the slow solar wind regime, velocity ranging from 300 km/s to 360 km/s. The North-South component (Bz) ranged between -6 and 7 nT. The interplanetary magnetic field ranging from 4 nT to 8 nT. The fast solar wind originating from the negative polarity coronal hole (CH), possibly connected to the southern polar CH spanning from 30 - 55 S, which reached the central meridian in the morning of Dec 18 is expected to impact the Earth in the coming hours.

地磁

Geomagnetic conditions were globally at quiet to unsettled conditions (NOAA Kp 1 to 3). It was locally at quiet conditions (K BEL 1 to 2). We expect to see unsettled to active conditions if the fast solar wind originating from the negative polarity coronal hole (CH), possibly connected to the southern polar CH spanning from 30 - 55 S, which reached the central meridian in the morning of Dec 18 impacts the Earth in the coming hours.

質子通量水平

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

地球靜止軌道上的電子通量

The greater than 2 MeV electron flux, as measured by the GOES-16 satellite, reached above the threshold level at 09:40 UTC and dropped below at 21:00 UTC on Dec 22. It is expected that this parameter to remain below the threshold level in the coming 24 hours. The 24h electron fluence is presently at normal to moderate levels and is expected to decrease to normal level in the coming 24 hours.

今日估計的國際太陽黑子數（ISN）：153，基於05個觀測站。

太陽活動指數 22 Dec 2023

卡塔尼亞沃爾夫數	///
10厘米太陽通量	187
AK Chambon La Forêt	005
AK Wingst	003
估計地磁Ap指數	002
估計國際太陽黑子數	152 - 基於08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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