A supercell, that I had been tracking for much of the late afternoon and evening, merged into a larger, growing area of thunderstorms in increasingly hilly and wooded terrain of northeastern Oklahoma, so it was time to call it a chase day and let the activity recede off into the eastern yonder. On their way away, the storms emerged from an earlier cloak of low clouds to fling a variety of … [Read more...]
I-94 Muncher Part 3
[Part 3 of 3] Limping awkwardly back across the overpass, in order to get in my vehicle and book it on down the road before this storm engulfed the spot, I noticed this well-placed DO NOT ENTER sign adorning the wrong-way side of the I-94 off-ramp. Here, it had double meaning, for one would be highly unwise to either enter the freeway this way, or the storm from any direction. I could afford 15 … [Read more...]
I-94 Muncher Part 2
[Part 2 of 3] Based on the orientation of the I-94 storm's onrushing shelf cloud, I thought I could get a complementary curve in the foreground with the wet entrance ramp on the north side, and indeed, hobbled over the bridge barely in time to do so. Hobbled? Yes, unfortunately, thanks to a painful, pulled calf muscle suffered a couple days before, while slipping on some mud in Chadron, NE. … [Read more...]
I-94 Muncher Part 1
[Part 1 of 3] After fortuitously encountering a photogenic midday roll cloud near I-90, I ate lunch and monitored data in New Ulm. I hoped for a storm to erupt on an outflow boundary nearby, that I could track across relatively flat and open prairies in the southern part of the state. When it became apparent that wasn't happening, the only option was a young supercell right-moving down I-94 … [Read more...]
Night Tornadoes and CG
A leading hook echo and mesocyclone region, which I had dodged north of Union City several minutes before, produced these tornadoes northeast of the town, between there and Yukon. The broader circulation at left was silhouetted by more artificial light near I-40 and a couple of distant flashes in the 12-second exposure, while starting to get rain-wrapped. That’s why it’s a little less sharp than … [Read more...]
Clearwater Washer
To be clear, this is the Clearwater in Minnesota, not Florida, though a scene such as this is possible in either. The highway in the foreground is I-94, along which a hail-flinging, heavy-precip supercell developed near the North Dakota border and right-turned southeastward, evolving over time into a mean little bowing line segment with severe wind and flooding rains. This was probably its most … [Read more...]
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