https://worldextremeweathermonitor.com/blog/ Notes and analysis on weather records, heat waves, cold outbreaks and storms from World Extreme Weather Monitor. The latest, from 20 September 2026, is "How We Count Weather Records and Why We Differ From NOAA". en Sun, 20 Sep 2026 00:00:00 GMT https://worldextremeweathermonitor.com/blog/how-we-count-weather-records/ https://worldextremeweathermonitor.com/blog/how-we-count-weather-records/ Sun, 20 Sep 2026 00:00:00 GMT World Extreme Weather Monitor records methodology A short guide to what counts as a record here, which stations qualify, how ties and provisional values are handled and why totals can differ slightly from NOAA. https://worldextremeweathermonitor.com/blog/why-the-record-ratio-matters/ https://worldextremeweathermonitor.com/blog/why-the-record-ratio-matters/ Sun, 20 Sep 2026 00:00:00 GMT World Extreme Weather Monitor records ratio A single count of records says little on its own. The ratio of record highs to record lows is a steadier signal of whether the climate is shifting. https://worldextremeweathermonitor.com/blog/what-is-a-heat-dome/ https://worldextremeweathermonitor.com/blog/what-is-a-heat-dome/ Sat, 19 Sep 2026 00:00:00 GMT World Extreme Weather Monitor heat-waves methodology A heat dome is a persistent high pressure ridge that traps hot air. We detect heat waves from station records and say heat dome only when data confirms one. https://worldextremeweathermonitor.com/blog/station-moves-and-city-records/ https://worldextremeweathermonitor.com/blog/station-moves-and-city-records/ Fri, 18 Sep 2026 00:00:00 GMT World Extreme Weather Monitor cities methodology records Cities move their weather stations, and a naive record can jump. Here is how we join stations into a thread so a city record survives a move, and what we flag. https://worldextremeweathermonitor.com/blog/oldest-weather-records-still-standing/ https://worldextremeweathermonitor.com/blog/oldest-weather-records-still-standing/ Thu, 17 Sep 2026 00:00:00 GMT World Extreme Weather Monitor longevity records Some daily weather records survive for over a century. See how we find the oldest standing records and what their age does and does not tell you.