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July 15-20 Severe Weather


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That line up in central Wisconsin has the look like it's going to accelerate southward and hammer southeast Wisconsin and eventually Chicagoland. Could be one hell of a wind threat with that thing if it evolves later this evening. Unless it can backbuild further west I think we'll be in the clear here in NW Illinois.

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That line up in central Wisconsin has the look like it's going to accelerate southward and hammer southeast Wisconsin and eventually Chicagoland. Could be one hell of a wind threat with that thing if it evolves later this evening. Unless it can backbuild further west I think we'll be in the clear here in NW Illinois.

I'm actually starting to see a bit of a SW movement.:arrowhead: It is just finding its way to miss us, and that is by taking a westward turn towards Madison (and not far from Bowme in the Dells).

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I'm actually starting to see a bit of a SW movement.:arrowhead: It is just finding its way to miss us, and that is by taking a westward turn towards Madison (and not far from Bowme in the Dells).

Mid-level winds and corfidi vectors would seem to suggest they should move more south-southeasterly in time. If they really get going and get a mature cool pool I wouldn't be surprised to see them plummet straight southward. RUC shows a nice LLJ feeding/veering into far southern Wisconsin and northern Illinois later this evening. Very high theta-e will be readily be ingested by the complex as is moves south into that area. :popcorn:

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Mid-level winds and corfidi vectors would seem to suggest they should move more south-southeasterly in time. If they really get going and get a mature cool pool I wouldn't be surprised to see them plummet straight southward. RUC shows a nice LLJ feeding/veering into far southern Wisconsin and northern Illinois later this evening. Very high theta-e will be readily be ingested by the complex as is moves south into that area. :popcorn:

Thanks for a slight boost of confidence. Did you see the excerpt in the DVN AFD about a potential derecho? That was interesting to read.

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It's quite possible if it starts building eastward in the next 2 hours, but I'm not holding my breath. That's ok. Enjoy this spread the wealth MCS!

It's really a wait and see game if there's good ingredients in place (which we have in this case). Convective development/evolution can change rapidly. I usually don't try to extrapolate what's going to happen in my backyard until something is 10 or 20 miles away, and even that doesn't always work out.

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Sitting just south of Janesville for the hell of it right now. Have been watching sporadic cu bubble up and twist and turn over. Nothing of substance yet, but juicy like all get out. Did see a few showers fire to the north and east along some kind of boundary. They were skirting almost due east and did not do much before falling apart. Canopy from Oshkosh cell has been visible for about thirty minutes now and slowly moving south.

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It's really a wait and see game if there's good ingredients in place (which we have in this case). Convective development/evolution can change rapidly. I usually don't try to extrapolate what's going to happen in my backyard until something is 10 or 20 miles away, and even that doesn't always work out.

Very true, but I think it's starting to accelerate, so although it's still about 50 miles away, it feels close enough to be able to extrapolate. I guess as long as I'm able to see the thunderstorm's features from afar, that's good enough for me. It may be quite picturesque given it will approach right near sunset.

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