July 8, 2009 Northeast Wyoming Supercells
Last Updated on Monday, 04 January 2010 12:58 Written by Roger Hill
July 8th I couldn't resist the drive to northeast Wyoming and southwest North Dakota for what looked like a decent setup. A slowly advancing cold front, along with a dryline intercepting it, ample moisture and instability, would provide a favorable environment for severe storms, supercells and tornadoes. Unfortunately, that rare occurance that the triple point didn't produce a long lived supercell, while tornadic supercells formed north and south of us came to a reality. Still, we had two nicely structured supercells, the latter of which shown above came very close to producing a tornado. Click on the small photo for a larger one.
We approach the first severe warned supercell from the north and it appeared to have nice structure. |
As we got east of it, I took this shot looking west as the storm still had good intensity. |
Mid level inflow band would be deceiving as the storm quickly died as it crossed into capped air. |
Supercell #2 formed as we sat south of Buffalo, South Dakota looking west into northeast Wyoming. Nice structure and a rotating lowering! |
Zoomed in shot shows the updraft base and wall cloud, which still exhibited decent rotation. |
All of a sudden the wall cloud became disconnected from the updraft base as the storm weakened. |
Supercell turns into a shriveling, but pretty LP supercell. |
The updraft is almost disconnected from the anvil in this shot as it died a quick death. |
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