
Extreme Heat by Chris Yarzab. Used via CC BY 2.0, via Flickr.
Extreme Heat
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A heat wave is a period of abnormally and uncomfortably hot and unusually humid weather, typically lasting two or more days with temperatures above the historical averages for a given area.
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Photo attributed to CeciliaPang. This work has been released into the public domain by its author. No endorsement by licensor implied.

Screenshot from the Climate Ready Great Lakes training series.

This photo has been released into the public domain because it contains materials that originally came from the National Aeronautics and Space Administration (NASA). No endorsement by licensor implied.

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