Upper-level troughs: the catalyst for severe storms

Name: Upper-level troughs: the catalyst for severe storms
Uploaded: 2026-03-03T02:34:22Z
Duration: 22 s
Description: Meteorologist Ari Sarsalari explains that a large upper-level trough, a big U-shaped disturbance in the atmosphere, acts as a crucial catalyst for severe weather. He details how the east and southeast sides of these troughs cause air to rise, creating the necessary conditions for storm development.

Fox Weather @ Night · FWX · Mar 3, 2026 · 22sSign Up Now

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Meteorologist Ari Sarsalari explains that a large upper-level trough, a big U-shaped disturbance in the atmosphere, acts as a crucial catalyst for severe weather. He details how the east and southeast sides of these troughs cause air to rise, creating the necessary conditions for storm development.