查看星期四, 2 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 02 1239 UTC

SIDC太陽影響數據分析中心的預報

太陽閃焰

Eruptive (C-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
02 Apr 2015	122	012
03 Apr 2015	121	028
04 Apr 2015	124	010

公告

Five sunspot groups were reported by NOAA today. However, the only C-class flare observed during the past 24 hours (C1.3 flare peaking at 05:34 UT today) occurred in the active region just behind the east solar limb. More C-class flares are expected from this active region. The C1.3 flare was associated with a partial halo CME (angular width around 150 degrees). It is a far side limb event, so it will not arrive at the Earth and will have no geomagnetic consequences. The Earth is currently inside a slow solar wind flow following the passage through the ICME on March 31 - April 1. The interplanetary magnetic field magnitude is still elevated (around 7-8 nT), but a relatively low solar wind speed (around 450 km/s) makes sure that the geomagnetic situation will most probably remain on the quiet to unsettled level in the coming hours. Later today we expect the arrival of a fast flow from a trans-equatorial coronal hole that reached the solar central meridian late on March 30, possibly resulting in a geomagnetic disturbance up to the minor storm level (K = 5).

今日估計的國際太陽黑子數（ISN）：025，基於14個觀測站。

太陽活動指數 01 Apr 2015

卡塔尼亞沃爾夫數	///
10厘米太陽通量	124
AK Chambon La Forêt	015
AK Wingst	009
估計地磁Ap指數	010
估計國際太陽黑子數	028 - 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

所有時間均採用 UTC 時間

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