SilentShadow87
Member
Yeah, in today's environment that decision took some chutzpah. Like everyone else has been saying, hopefully this will ease the pressure on other NWS offices and lead to more reasonable ratings.
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I really think Tim Marshall/LaDue and the other engineering experts consulted gave them the confidence (and the cover so to speak for any nitpickers) to move ahead. Big props again to FGF. I’ll be curious to hear Tim’s thoughts on if he agreed/dissented on the opinion.
Regarding Tim Marshall. It’s really ironic, here’s the guy that has this ratings mafioso/ratings boogeyman persona amongst a lot of weather enthusiasts who blame him for making the EF5 extinct, and he’s directly involved with the survey that breaks the drought lol.
Equus
Member
The train cars I'm sure helped immensely since that provided something that could be very objectively measured and analyzed from an engineering perspective
Kds86z
Member
Yeah when I saw pics of that I was like, did that really happen and if so…
Kds86z
Member
Yeah @ColdFront , I thought Tim Marshall was the man of no more ef5s?
It would be so funny if Tim Marshall wasn't involved at all and giving him and Jim Ladue credit was just an epic troll by NWS Grand Forks. Lmao, jokes aside, this definitely shows all the valid criticism from the weather community is finally having a positive impact.
Now that the precedent is set will NWS Birmingham go back and rerate Tuscaloosa an EF5?
Equus
Member
The Tuscaloosa tornado also threw train cars at peak, and I'm fairly sure that got engineering analysis for the same type of forces, if they didn't call it back then I'd imagine not
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Is this the first time they have used Velocity scans to support their rating?
"The maximum wind speed also correlates to the maximum strength on WSR-88D Storm-Relative Velocity data from KMVX."
"The maximum wind speed also correlates to the maximum strength on WSR-88D Storm-Relative Velocity data from KMVX."
Equus
Member
I think that just indicates that the timing of the highest scans lined up well with the time of highest damage
I think it is a valid question to ask, what if they could possibly upgrade a couple other tornadoes from Moore 2013 - Enderlin 2025? I know Chapman could maybe use an upgrade in winds at least. Or maybe go with an EF5 rating for that storm. The motion on that tornado was evil.
Kds86z
Member
Enderlin eF5 roar folks
Equus
Member
What was the reason for upgrade? I've heard that it was based on the lofted tanker that was thrown some distance away from its point of origin, but I've also heard tht some of the tree damage was upper-echelon as well.
I honestly can't believe the drought is finally over. And have happened in NORTH DAKOTA of all places. Insane.
Also, what does this mean for previous tornado ratings? I know that Mayfield and Tuscaloosa threw multi-ton railroad containers some distance as well, which might mean that they are elligible to be rated EF5 on the scale. Not 100% positive though.
I honestly can't believe the drought is finally over. And have happened in NORTH DAKOTA of all places. Insane.
Also, what does this mean for previous tornado ratings? I know that Mayfield and Tuscaloosa threw multi-ton railroad containers some distance as well, which might mean that they are elligible to be rated EF5 on the scale. Not 100% positive though.
Kds86z
Member
Sorry, I'll correct it. Still, crazy that it was in that part of the country.North Dakota@Atomz
N0mz
Member
I believe there was a similar line for the Morton ef2 from earlier in June
N0mz
Member
The report also noted a full grain tanker not just an empty one like many assumed