瀏覽50個城市
覆蓋城市
50
平均磁緯度
40.4°N
最佳Kp閾值
—
月相
10月13日
10月14日
10月15日
Read an aurora forecast as a decision stack: space weather first, then local sky, darkness, moonlight, horizon and route feasibility.
Understand Kp as a global geomagnetic disturbance index, how it relates to NOAA storm levels, magnetic latitude and common forecast mistakes.
Learn why active aurora can still be invisible when low cloud, moonlight, haze, city glow, blocked horizons or poor transparency win.
