World Meteorological Organization

2025-07-31 @ 18.44.17 ∈ In English

There’s a New Record for the Longest Lightning Flash - Eos

[829 kilometers is now] the longest lightning bolt ever recorded. […] A new analysis of satellite data has revealed that a 22 October 2017 storm over the U.S. Midwest created a lightning bolt that reached [̣̣̣…] from eastern Texas to nearly Kansas City. The record-setting bolt lasted about 7 seconds.

2024-03-12 @ 15.27.41 ∈ In English

Weather forecasts have become much more accurate; we now need to make them available to everyone

The biggest improvements we’ve seen are for longer timeframes. By the early 2000s, 5-day forecasts were “highly accurate” and 7-day forecasts are reaching that threshold today. 10-day forecasts aren’t quite there yet but are getting better.

2022-02-03 @ 15.51.34 ∈ In English

World Meteorological Organization on Twitter

Love it!!
Two weather stations on opposite sides of the world (New Zealand and Spain) measured a temperature of 22.2ºC at 2:22pm on 2/2/2022

2022-02-03 @ 15.04.36 ∈ Suomeksi

Pisin todennettu salama oli 768 kilometriä

Yhdysvaltojen eteläisissä osissa välähti isolla rintamalla huhtikuussa 2020. Salaman pituus oli peräti 768 kilometriä. Se on enemmän kuin suora etäisyys linnuntietä Helsingistä Rovaniemelle.