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Tornado Anniversaries

Ah yes. Today is the date of the Chandler, MN F5 of 1992...







...and the Day of the Twins in 2014. That supercell produced potentially up to 4 EF5 strength tornadoes. Consecutively. And, at one point, two were on the ground simultaneously. Truly one of the greatest tornadic events of all time. The town of Pilger must have pissed Mother Nature off something fierce to essentially roll tornadic snake eyes like it did. IMO this is probably the only time in history that 2 E/F5 strength tornadoes hit a town simultaneously.


One of those likely E/F5s was moving at a terrifying 96 miles per hour by the end, the fastest confirmed tornadic forward speed on record. This was covered along with some other notable speedy bois by Pecos Hank and friends here:


And, of course, the map:
 
Oh s:eek:t I forgot how important today was in tornado history. June 17th!

1882: Grinnell, IA F5


1944: Wilmot, SD F5

2010: The Upper Midwest outbreak including violent tornadoes in ND and MN, with 2 particularly intense.ones near Parker's Prairie, MN and Wadena, MN that MIGHT have reached EF5 intensity but you can't be sure.




https://m.youtube.com/watch?v=zSg4cTGp-ow
https://m.youtube.com/watch?v=mDlKss-csq8&pp=ygUdanVuZSAxNyAyMDEwIHRvcm5hZG8gb3V0YnJlYWs=
https://m.youtube.com/watch?v=7yKuIgd_Nck&pp=ygUdanVuZSAxNyAyMDEwIHRvcm5hZG8gb3V0YnJlYWs=

2014: Coleridge, NE EF3 (likely EF5 in actuality):
https://m.youtube.com/playlist?list=PLm8cfElEZ1ieXpQOeSMMxgyU0w7ThX3DC
https://m.youtube.com/watch?v=lS3eHElMy3Q&pp=ygUWY29sZXJpZGdlIHRvcm5hZG8gMjAxNNIHCQneCQGHKiGM7w==
https://m.youtube.com/watch?v=AlxAx191f54&pp=ygUWY29sZXJpZGdlIHRvcm5hZG8gMjAxNA==
https://m.youtube.com/watch?v=hN9wDth8yoE&pp=ygUbY29sZXJpZGdlIHRvcm5hZG8gMjAxNCByZWVk
https://m.youtube.com/watch?v=V3waI...pZGdlIHRvcm5hZG8gMjAxNCByZWVk0gcJCd4JAYcqIYzv
https://m.youtube.com/watch?v=jTXME2F20Ok&pp=ygUbY29sZXJpZGdlIHRvcm5hZG8gMjAxNCByZWVk
https://m.youtube.com/watch?v=c5Ki7...lIHRvcm5hZG8gMjAxNCByYWRhctIHCQneCQGHKiGM7w==
https://m.youtube.com/watch?v=DtBtr4vvg1g&pp=ygUWY29sZXJpZGdlIHRvcm5hZG8gMjAxNA==

Map:
https://www.reddit.com/r/tornado/comments/1ldzj0c/strongest_tornado_on_this_day_in_history_by/
 
It's nice to only have one notable recent tornado event to cover for a change.

June 18th, 2014. Alpena, South Dakota. Though the worst structural damage was to a very poorly anchored house, the contextuals leave little doubt that this was an EF5. If @TH2002's post is to be trusted, then EF5 can be argued for the aforementioned house as is.





Map. Notice the pretty bad day Minneapolis-St. Paul seems to have had:
 
Let's make this quick:

1957: Fargo, ND F5





https://m.youtube.com/watch?v=hGrQsx1RYEY&pp=ygUNZmFyZ28gdG9ybmFkb9IHCQm-CQGHKiGM7w==
https://m.youtube.com/watch?v=DiXLhDG-ipg&pp=ygUNZmFyZ28gdG9ybmFkbw==
https://m.youtube.com/watch?v=yTPKEy3fb3k&pp=ygUNZmFyZ28gdG9ybmFkbw==

2011: KS/NE outbreak
https://m.youtube.com/watch?v=q-TXsrMeZqk&pp=ygUUanVuZSAyMCAyMDExIHRvcm5hZG8=
https://m.youtube.com/watch?v=g3XmsEZ9WCs&pp=ygUUanVuZSAyMCAyMDExIHRvcm5hZG8=
https://m.youtube.com/watch?v=Itqieu99OJ4&pp=ygUUanVuZSAyMCAyMDExIHRvcm5hZG8=
https://m.youtube.com/watch?v=OcLrTbpFHk4&pp=ygUUanVuZSAyMCAyMDExIHRvcm5hZG8=
https://m.youtube.com/watch?v=7iVq_hviUXc&pp=ygUUanVuZSAyMCAyMDExIHRvcm5hZG8=
https://m.youtube.com/watch?v=BJEAf2Qh-jM&pp=ygUUanVuZSAyMCAyMDExIHRvcm5hZG8=
https://m.youtube.com/watch?v=F-Nnu_oxrpg&pp=ygUUanVuZSAyMCAyMDExIHRvcm5hZG8=
https://m.youtube.com/watch?v=curlnUy13a8&pp=ygUganVuZSAyMCAyMDExIExvbmcgaXNsYW5kIHRvcm5hZG8=
https://m.youtube.com/watch?v=ILome...xIExvbmcgaXNsYW5kIHRvcm5hZG_SBwkJvgkBhyohjO8=
https://m.youtube.com/watch?v=YnOvM4vkw6Q&pp=ygUganVuZSAyMCAyMDExIExvbmcgaXNsYW5kIHRvcm5hZG8=

No map today. Just know that there have also been a few F4s from IL/IN to KS in the 19th century.
 
Not really a tornado anniversary per se (although some chasers say there was a brief one associated with the feature in the first photo but my chase partners and I didn't see it). 10 years ago OTD (6/20/2015) was this chase near Eddyville, IA. The second photo was my avatar here and all the other weather forums I'm on for the next nearly eight years, until I finally caught a tornado worthy of replacing it (Keota).

062015_StormFave_05-2048.jpg062015_StormFave_09.jpg

Video at timestamp linked in this compilation (also this day provided the thumbnail):

 
Ah yes. Today is the date of the Chandler, MN F5 of 1992...







...and the Day of the Twins in 2014. That supercell produced potentially up to 4 EF5 strength tornadoes. Consecutively. And, at one point, two were on the ground simultaneously. Truly one of the greatest tornadic events of all time. The town of Pilger must have pissed Mother Nature off something fierce to essentially roll tornadic snake eyes like it did. IMO this is probably the only time in history that 2 E/F5 strength tornadoes hit a town simultaneously.


One of those likely E/F5s was moving at a terrifying 96 miles per hour by the end, the fastest confirmed tornadic forward speed on record. This was covered along with some other notable speedy bois by Pecos Hank and friends here:


And, of course, the map:

The speed of that tornado - 96 MPH - is so preposterous it's hard to believe. For example, when a 410 cubic inch sprint car is at Knoxville Raceway in Iowa, one of the fastest dirt tracks in the world, it is over that speed in the main straightaway, but under it at many other times on the track. I grew up around that kind of racing, and let me tell you, those things are FAST. A tornado making sprint car speeds ... utterly mind-boggling to this day.

Heck, for most of human history we didn't have anything mechanical that could go that fast.
 
I maintain that when talking speed records there should be a clear distinction kept between high end sustained forward speed along the track (often seen in high-shear outbreak scenarios like Tri-State, Palm Sunday '65 and both Super Outbreaks, which seems to top out around 70 MPH) and speeds achieved by occluded/rope tornadoes being yeeted around the tornado cyclone of the next member of the family (as in the Pilger case). Still impressive, though.
 
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