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Severe Weather 2021

Looks like the tornado has lifted for now. The National Weather Service has changed the warning wording back to "a severe thunderstorm capable of producing a tornado" and the CC drop is gone.
 
OHWX97 said:
Unexpected, but not surprising looking at the environment. The supercell is riding a warm front and wind profiles are quite impressive.
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In the most recent Mesoscale Discussion about 15 minutes ago the SPC did finally highlight a small corridor favorable for tornado development. The cell is moving into that corridor.
 
TH2002 said:
In the most recent Mesoscale Discussion about 15 minutes ago the SPC did finally highlight a small corridor favorable for tornado development. The cell is moving into that corridor.
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The same area is also under a Moderate Risk in the WPC Excessive Rainfall Outlook.
 
TH2002 said:
Looks like the tornado has lifted for now. The National Weather Service has changed the warning wording back to "a severe thunderstorm capable of producing a tornado" and the CC drop is gone.
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Might be getting ready to drop again if it hasn’t already. Velocity signature is very impressive.
 
OHWX97 said:
Might be getting ready to drop again if it hasn’t already. Velocity signature is very impressive.
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Despite the CC drop disappearing the velocity signature has hardly weakened at all. It's one of the most persistent mesocyclones I've seen in a long time.
 
Tornadoes aside, La Crosse today set an ALL TIME one day rainfall record of 5.59'' beating the record of 5.55'' set on September 6, 1884.
 
andyhb said:
Boscobel WI tornado rated EF3, 150 mph.
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So southern Wisconsin's two strongest (daylight) tornadoes this century have now been on slight risk days in August. I don't know why I bother getting pumped for moderate risk days in May/June anymore, lol.

I headed out toward that storm after seeing that radar signature, unfortunately the Boscobel vicinity/Grant County in general is a really bad terrain area. I intercepted the storm near Dodgeville, saw an ominous shelf cloud as it had lost the amazing classic supercell structure but still had a pronounced couplet buried in the rain. I got into some blinding rain and got smacked by a few hailstones heading back east on 151, pulled off at Barneveld (of 1984 F5 infamy) and waited for things to pass before heading home as things had completely lined out by then.
 
atrainguy said:
As of late morning, the Chicago Metro area is under a severe threat this afternoon, with tornadoes being possible.



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The mainstream media always loves to stir up anxiety and lead many people believe that tornadoes are so rare in the Chicago area! The opposite is true and if anything the Chicago area is one of the most tornado-prone major metropolitan areas in the world. We just had Naperville this year, Rogers Park the year before, and many historical events with the most violent ones being Oak Lawn 1967 and Plainfield 1990.
 
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