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File:A Seldom Seen South American Cyclone (MODIS 2018-05-17).jpg

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This image was acquired on May 9, 2018, by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite.

Summary

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Description
English: An extremely rare cyclone formed in early May 2018 about 160 kilometers (100 miles) off the coast of Chile—an area that almost never sees tropical cyclones. This image was acquired on May 9, 2018, by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite.

Cyclones are not typically found in this region because sea surface temperatures (SSTs) in the southeastern Pacific Ocean are usually too cold. The oceanographic process known as upwelling tends to bring cold water up from the deep ocean along the Chilean coast. (Similar conditions prevail offshore from California in the northern hemisphere.)

SSTs in the vicinity of this cyclone were just under 20 degrees Celsius (68 degrees Fahrenheit) in May 2018, according to NOAA satellite data. Meteorologists have determined that temperatures generally should be about 27°C to develop and sustain most cyclones. Despite the colder waters, the cyclone still formed due to favorable atmospheric conditions, with wind speeds similar to a weak tropical storm.
Date Taken on 9 May 2018
Source

A Seldom Seen South American Cyclone (direct link)

This image or video was catalogued by Goddard Space Flight Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: 2018-05-17.

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Author Jeff Schmaltz, MODIS Land Rapid Response Team, NASA GSFC
This media is a product of the
Terra mission
Credit and attribution belongs to the mission team, if not already specified in the "author" row

Licensing

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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