June 30, 2021
Data Vis, Tornadoes in CT, D3 & Observable

There have been multiple tornadoes that tore paths through landscapes near me, in recent years. I know that greenhouse gas-caused warming is destabilizing the climates, I wanted to know if tornadoes are getting worse in my area.

weather.gov

Looking at data in a table does not provide a clear picture, so I did some data visualizations.

The scatter plot seemed to show that Tornadoes in CT are not getting stronger. But were they getting more frequent? The bar chart makes it easier to see if there is any trend of changing frequency. It seems to show no significant trend of increasing frequency.

The main thing I wanted to see was if there was any clear pattern of change, but I am not seeing that. That’s good news.

I multiple datasets are included, for verification. The user is able to switch between them. Comparing the data from different data sets, the primary conclusions are the same.

If anyone wanted to wrangle an additional dataset, edit their own copy of the notebook, and add it in, ObservableHQ makes that simple. The charts will update the axes to fit the selected dataset.

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