Upper-level winds formed an Omega pattern over the U.S., involving Chicago and the Omega system, starting on May 26, 2026.
1 report, 1 independent
Updated May 26
AI-generated analysis. Brind wrote this summary from the reports listed below. It can be wrong. Each section says how much you can rely on it, and the sources are linked so you can check.
What happened
Upper-level winds formed an Omega pattern over the U.S., involving Chicago and the Omega system, starting on May 26, 2026.