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Accumulated cyclone energy is calculated by summing the squares of the estimated maximum sustained velocity of tropical cyclones when wind speeds are at least tropical storm strength (≥ 34 kn; 63 km/h; 39 mph) [4] at recorded six-hour intervals. The sums are usually divided by 10,000 to make them more manageable.
English: Chart showing Accumulated Cyclone Energy Index compared to 30-year average Data source: 2024's record-breaking, destructive Atlantic hurricane season ends. Axios (27 November 2024). Archived from the original on 1 December 2024. "Data: Colorado State University"
While the number of tropical storms and hurricanes that form each year is important to track, experts say that the Accumulated Cyclone Energy (ACE) index is a more reliable way to quantify the ...
The measure of total seasonal activity used by NOAA is called the Accumulated Cyclone Energy (ACE) index. The ACE index is a wind energy index, defined as the sum of the squares of the maximum sustained surface wind speed (knots) measured every six hours for all named storms while they are at least tropical storm strength.
If a tropical cyclone intensify further and reaches wind speeds of 90 knots (170 km/h; 100 mph), it will be classified as an intense tropical cyclone. A very intense tropical cyclone is the highest category on the South-West Indian Ocean Tropical Cyclone scale, and has winds of over 115 knots (213 km/h; 132 mph). [24] [25]
Is there any viable calculation as to the power output of a cyclone versus say a volcano or earthquake. I would like more data on how Mother Nature is hugely bigger than most 'human' activities. The typical diagram for 'energy' has 'large lightning' and a storm has thousands; often with has Mt St Helens and 'one day of a hurricane'.
Using a combination of historical data and an index known as Accumulated Cyclone Energy, researchers say there’s an 82% chance this year that Georgia will be impacted by a named storm. That’s ...
Atmospheric forces are so huge and so chaotic that technically cloud seeding “is way too small a scale to create what happened,” Maue said. Extra rainfall from cloud seeding would have been ...