天気ブログ — 気象ガイド

天気、予報、気象現象に関する記事とガイド。

記事とガイド

How to read a weather forecast: what every number actually means 2026-08-18 · 10 分で読めます Chance of rain, feels-like temperature, pressure, UV index, wind gusts — a complete guide to interpreting every value in a modern forecast and making better decisions.
Feels-like temperature, UV index and air quality: a practical daily guide 2026-08-16 · 10 分で読めます Three indicators that directly affect your health and almost nobody knows how to use. How each is calculated, which ranges demand action, and how to plan exercise and outdoor work.
Why do weather forecasts get it wrong? Meteorological models explained 2026-08-14 · 10 分で読めます The butterfly effect, grid resolution, the difference between ECMWF and GFS, and why two sites show different numbers for the same city — explained without mathematics.