Scientists Capture Treetop Glows During Thunderstorms Across U.S.
Scientists Capture Treetop Glows During Thunderstorms Across U.S.
US · Published Apr 21, 2026
• Scientists have captured corona discharge on treetops during thunderstorms, a rare weather phenomenon.
• The study reveals that treetop glows contribute to atmospheric cleaning by producing hydroxyl radicals.
• Research suggests these discharges may influence storm behavior, opening new avenues for weather and environmental studies.
Penn State captures rare weather phenomenon: corona discharge
Researchers at Penn State have successfully captured and studied a rare weather phenomenon known as corona discharge, which occurs on treetops during thunderstorms.
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