‘Omega Block’ Traps Weather Over US—How It Affects Different States
Summary
A weather pattern called an "omega block" is currently trapping different types of weather across the United States, causing some areas to experience heat, storms, or cooler conditions for several days or weeks. This happens because a high-pressure system is stuck between two low-pressure systems, disrupting the normal flow of weather from west to east.Key Facts
- An omega block looks like the Greek letter Ω and forms when a strong high-pressure system is trapped between two low-pressure systems.
- This blocks the usual movement of weather, causing it to stay in place for a long time.
- The central U.S. is experiencing very hot and dry weather with temperatures 15-25 degrees Fahrenheit above normal.
- The South and Southeast are having repeated rain and thunderstorms, which increase the risk of flooding.
- The East Coast and Northeast are seeing cooler temperatures, cloudy skies, and ongoing rainy weather.
- The West Coast and Northwest have wet, stormy conditions, with rain, wind, and some mountain snow.
- Preparation depends on the region: staying hydrated and monitoring heat in hot areas, watching flood warnings in rainy areas, and planning for travel delays in wet and cool regions.
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