21-10-2015 23:14 via phys.org

Satellite sees Tropical Storm Patricia form near Western Mexico coast

The low pressure area that was designated as System 97E on October 20 developed into the Eastern Pacific Ocean's twentieth tropical depression of the season at 11 a.m. EDT. By 11 p.m. the depression became Tropical Storm Patricia and was seen strengthening by NOAA's GOES-West satellite.
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