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What is an Omega block?

An Omega block is a stagnant weather pattern named for its resemblance to the Greek letter Ω.
Omega Block pattern traps heat in the Plains and South this week while storms bring severe weather to the Central U.S. and ...
These impactful patterns have strange names with memorable weather for folks caught beneath these stagnant twists in the jet stream Plenty of weather patterns have strange but fitting names. Brutal ...