查看星期四, 19 2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 Feb 19 1233 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

Quiet (A<20 and K<4)

太陽質子

Quiet

	10公分通量	Ap
19 Feb 2015	125	010
20 Feb 2015	130	006
21 Feb 2015	140	008

公告

A few new regions developed themselves during the past period. NOAA active regions (AR) 2287, 2288 and 2290 are the most interesting ones. NOAA ARs 2287 and 2288 evolved to beta regions, while NOAA ARs 2286, 2289, 2290 are alpha regions. Flaring activity slightly increased with three C-class flares. The strongest flare was a C3.5 flare, originating from the northern part of NOAA AR 2282. More C-class flares are expected, mainly from NOAA 2282, 2287, 2288 and 2290. No Earth-bound CMEs were observed. The solar wind was at nominal levels, with the magnitude of the interplanetary magnetic field between 3 and 5 nT and a fluctuating Bz component. The solar wind speed slightly decreased from 470 to about 400 km/s. Geomagnetic conditions were quiet to unsettled (K=1 to 3), at the global and local level (Dourbes), which is expected to continue for the next 48 hours.

今日估計的國際太陽黑子數（ISN）：063，基於08個觀測站。

太陽活動指數 18 Feb 2015

卡塔尼亞沃爾夫數	///
10厘米太陽通量	121
AK Chambon La Forêt	020
AK Wingst	022
估計地磁Ap指數	020
估計國際太陽黑子數	059 - 基於23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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