File:Hist east pac ACE trend 1971-2012.gif
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Hist_east_pac_ACE_trend_1971-2012.gif (667 × 501 pixels, file size: 122 KB, MIME type: image/gif)
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| Description |
English: Historical East Pacific Seasonal Activity from 1971 through 2012 with the 2013 outlook.
"Reliable tropical storm and hurricane data for the eastern Pacific began in 1971. The phrase 'total seasonal activity' refers to the collective intensity and duration of eastern Pacific named storms and hurricanes occurring during a given season. 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 eastern Pacific named systems while they are at least tropical storm strength." --NOAA |
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| Source | http://www.cpc.ncep.noaa.gov/products/Epac_hurr/figure3.gif |
| Author | US-NOAA |
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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:52, 19 November 2013 | | 667 × 501 (122 KB) | SBaker43 (talk | contribs) | User created page with UploadWizard |
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