Earth Imaging Journal: Remote Sensing, Satellite Images, Satellite Imagery
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The Copernicus Sentinel-3A satellite took the temperature at the top of Hurricane Lane as it headed toward Hawaii’s Big Island on Aug. 22, 2018. Lane weakened to a Category 3 storm the next day, just before it hit Hawaii.

Still a powerful storm, it has brought torrential rain to the Big Island. The island is still reeling from months of devastating lava flows from the Kilauea volcano and is now coping with heavy rain and flooding.

The brightness temperature of the clouds at the top of the storm, some 12-15 kilometers above the ocean, range from about -80°C near the eye of the storm to about 15°C at the edges. Sentinel-3’s Sea and Land Surface Temperature Radiometer measures energy radiating from Earth’s surface in nine spectral bands.

Photo Credit: Contains modified Copernicus Sentinel data (2018), processed by ESA

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