Over the days of 25 June - 29 June 2021, there was extreme heat in western North America
The US states of Washington and Oregon, as well as the Canadian Province of British Columbia, all achieved all time record maximum temperatures .
- in some cases more than 8C higher than any previously recorded temperature at the site. An unofficial list of all the new all time record maximum temperatures in this event, courtesy of the "coolwx" website run by Dr. Robert Hart of Florida State University, is shown later on this page.
Below is a commentary on this event. Many of the charts, below, come from a US list-serve.
COMMENTS ON LARGE SCALE FEATURES
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