An unprecedented heat wave that started around June 26 smashed numerous all-time temperature records in the Pacific Northwest and western Canada. NASA’s Atmospheric Infrared Sounder (AIRS), aboard the Aqua satellite, captured the progression of this slow-moving heat dome across the region from June 21 to 30. An animation of some of the AIRS data show surface air temperature anomalies—values above or below long-term averages. Surface air temperature is something that people directly feel when they are outside.
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Source: Phys.org