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In the middle of February 2021 a severe cold spell hit North America and snowy conditions reached as far as Texas. The cold spell started on 9 February and culminated on 15-16 February.
https://www.bbc.co.uk/news/world-us-canada-56095479
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5. Good and bad aspects of the forecasts for the event
- Poorly handled forecast for the onset of the cold, also in the short-range
- Good medium-range predictions of the most intense part of the cold wave