Last week, NOAA announced that we are almost certainly heading for our third straight winter of La Niña conditions which is an exceptionally rare event. It has only happened twice since 1950: the winters of 75-76 and 00-01.

Historically, La Niña has not been a favorable pattern for Plains tornadoes for the most part, with the exception being weaker year one Niña events. The two Spring seasons following third year La Niña events were quite different, with the earlier one featuring a few more tornadoes and strong tornado events than the later one.

Let’s break down why this La Niña is significant and what (if anything) we can deduce for this upcoming Spring storm season. Let us know what you think about this rare climate event and what you think it means for storm season in the comments. And! Subscribe. We’d love to have you on board as we continue our channel relaunch in the coming months!

Check out the Tornado Archive for awesome maps like the ones featured in this video:

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0:00 – 0:27 – Intro, hi there! :)
0:27 – 2:00 – What is La Niña?
2:01 – 3:48 – How La Niña affects severe weather!
3:49 – 5:23 – The last two times this happened!
5:24 – 6:16 – La Niña and drought
6:17 – 8:11 – If past is precedent then…