SkyPix

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Mesocyclone Jump

2026-01-18 By Roger Edwards

Mesocyclone Jump
Here is an entry that is more educational than photogenic, but I’m including it because of the valuable lesson.  It involves one supercell, two mesocyclones, and a distressing situation for all storm observers piddling around under the far one!  This sturdy and mature supercell, right as it was entering a substantial void of paved roads, “jumped mesocyclones” to a new occlusion point along the storm’s forward-flank gust front, by shedding the old one (rear, flared cloud base) gradually and undercutting the accompanying updraft with outflow.  Meanwhile, a new mesocyclone and accompanying young wall cloud spun up much closer to us.  The old one would take a long time to dissipate, while the new one became intermittently rain-wrapped, and the whole mess hooked hard right (southeastward) into the road void.  Fortunately, a rough but known dirt-road option was behind us and out of the forward-flank core, to take us to the southeast and keep us in the inflow region of the increasingly complex storm.  Observers playing footsies with the old mesocyclone had to go way south, east, then north again, or else risk rear-punching the hook that was about to descend and wrap around the nearer wall cloud (bad idea!). 

4 ESE Roaring Springs TX (25 May 25) Looking W
33.8918, -100.788

Filed Under: Wall Cloud Wall Tagged With: clouds, convection, Great Plains, highways, landscapes, Roaring Springs, storms, supercells, Texas, thunderstorms, wall clouds, weather

Previous: Organizing Edwards Plateau Mesocyclone
Next: Complicated Supercell

About

Welcome to SkyPix, an online photo book of clouds, weather and water by Roger Edwards. As in a printed coffee-table book, every image has its own page with a unique story. After all, meaningful photography is much more than just picture-taking; it is visually rendering a moment in place and time from a perspective like none other. As a scientist and an artist, I hope my deep passion for the power and splendor of our skies and waters shines through in these pages. If you are a cloud and weather aficionado, outdoor enthusiast, outdoor or nature photographer, art lover, or anyone who craves learning, enjoy...

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Further images from this photographer may be found at:
Roger Edwards Image of the Week
Roger Edwards Digital Galleries
Storms Observed Chase BLOG

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