https://outdoor.niva.blog/blog Niva Outdoor is a practical outdoor blog for day hikes, first camping trips, beginner gear, weather checks, and safer habits outside. en-US contact@niva.blog (Niva Outdoor editorial) contact@niva.blog (Niva Outdoor editorial) Mon, 18 May 2026 00:00:00 GMT https://outdoor.niva.blog/blog/prepare-for-an-afternoon-thunderstorm-on-the-trail https://outdoor.niva.blog/blog/prepare-for-an-afternoon-thunderstorm-on-the-trail 雷の可能性がある日は、空を見るだけでは足りません。行動時間、地形、撤退先を先に決めておきます。 Mon, 18 May 2026 00:00:00 GMT contact@niva.blog (Niva Outdoor editorial) 天気雷安全計画