WeatherSTEM - Weather Term Wednesday - Rex Block Sometimes, broadcast meteorologists talk about blocking patterns and how they can impact the weather in certain locations over several days. Blocking happens when high
![NWS Quad Cities on Twitter: "Curious why we've been stuck in the clouds for 5 days straight? ☁️ You can thank a weather feature known as a Rex Block, which is in NWS Quad Cities on Twitter: "Curious why we've been stuck in the clouds for 5 days straight? ☁️ You can thank a weather feature known as a Rex Block, which is in](https://pbs.twimg.com/media/EYiqWPrUEAE7psQ.png)
NWS Quad Cities on Twitter: "Curious why we've been stuck in the clouds for 5 days straight? ☁️ You can thank a weather feature known as a Rex Block, which is in
![Rex block pattern develops a dangerous Arctic outbreak across east-central Europe after Sunday - much colder weather is expected » Severe Weather Europe Rex block pattern develops a dangerous Arctic outbreak across east-central Europe after Sunday - much colder weather is expected » Severe Weather Europe](https://www.severe-weather.eu/wp-content/gallery/weather-maps/500h_anom.eu-10.png)