This happened during a fucking El Nino and those are the death of snow usually. El Ninos bring death ridges and/or split flow hell which is usually an 🤮🤮🤮 pattern spelling the end of winter before it even starts. Some El Nino's like 2002 will have a mini cold spell at the beginning to fool you like October 2002 or 2019-2020.
My lowest low for Oregon is still October's 2019's low of 21F I've yet to exceed lower then that. I wonder if I ever will?
Here's a special article about the 69 snowstorm: http://special.registerguard.com/csp/cms/sites/web/news/5675242-35/story.csp
The Big Snow It came without warning and left the city under a record-setting blanket of white
They had weather modification as far back as early 50s
If you want to get down to it, humans had weather modification since the discovery of fire. Light a forrest on fire and it will change the weather.
That’s like saying “no need for cars because people can walk”. Yule not wrong but it implies a difference in scale
I do not mean it like you think.
As soon as humans observed that, say, a volcanic eruption could change the weather due to the smoke it emits, and noticed that they could light huge fires and also make a fuck ton of smoke, they realized that weather modification is possible.
This was likely in the neolithic era. Since then, technology has increased effect and efficiency significantly.