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Below Normal Extremes…2021 Northern Hemisphere Cyclone Activity Below Normal…US Tornadoes Below Normal

By meteorologist Paul Dorian The accumulated cyclone energy (ACE) is the best measure of overall tropical activity and it is below-normal for the 2021 season across the Northern Hemisphere. Data: Colorado State University, NOAA Overview Tropical cyclone activity across the Northern Hemisphere has been below-normal in 2021 in much the same way as it was […]

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