查看星期四, 9 4月 2015歷史檔案

SIDC 太陽影響數據分析中心的每日公告

發布時間: 2015 Apr 09 1233 UTC

SIDC太陽影響數據分析中心的預報

太陽閃焰

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

地磁

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

太陽質子

Quiet

	10公分通量	Ap
09 Apr 2015	106	020
10 Apr 2015	106	013
11 Apr 2015	106	007

公告

Beta-delta region NOAA AR 2320 released one M flare and one C flare during the past 24 hours. The M1.4 flare peaked at 14:43 UT on April 8 and was associated to a dimming. No corresponding CME was observed in LASCO imagery. In the next 24 hours, M flaring is possible, with a slight chance for an X flare, especially from AR 2320. A small shock in the solar wind was observed by ACE around 1:10 UT on April 9. Solar wind speed jumped from about 340 to 370 km/s, while the Interplanetary Magnetic Field (IMF) magnitude jumped from about 4 to 6 nT and the solar wind density from 3 to 8 particles/cc. This is possibly related to the arrival of the partial halo CME of April 4. A second shock in the solar wind was observed by ACE around 9:12 UT. Solar wind speed jumped from about 350 to 380 km/s, while the magnitude of the IMF jumped from about 6 to 10 nT. This is possibly related to a glancing blow from the CME of April 6. Over the past 24 hours, geomagnetic conditions have been quiet (K Dourbes between 1 and 3; NOAA Kp between 1 and 3). There is a chance for active to minor storm geomagnetic levels (K Dourbes = 4-5) on April 9 as a result of a glancing blow from the CME of April 6. Quiet to active geomagnetic activity is possible on April 10 and 11, as a new coronal hole high speed stream is expected to arrive near Earth.

今日估計的國際太陽黑子數（ISN）：037，基於17個觀測站。

太陽活動指數 08 Apr 2015

卡塔尼亞沃爾夫數	044
10厘米太陽通量	106
AK Chambon La Forêt	010
AK Wingst	005
估計地磁Ap指數	004
估計國際太陽黑子數	033 - 基於25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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