Infrared data reveals powerful storms.
NASA’s Terra satellite used infrared light to identify strongest storms and coldest cloud top temperatures and found them surrounding a developing eyewall around Genevieve as it was strengthening into a hurricane.
Genevieve formed on Sunday by 11 a.m. EDT (1500 UTC) as Tropical Depression 12E. Six hours later, by 5 p.m. EDT, it had strengthened into a tropical storm and was renamed Tropical Storm Genevieve. The storm continued to intensify rapidly and by 11 a.m. EDT on Monday, Aug. 17, it strengthened to a hurricane.
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Image via NASA Goddard Space Flight Center