NASA sees birth of Tropical Cyclone 20P, threatens American Samoa
Wednesday, April 20, 2016 - 12:31
in Earth & Climate
As Tropical Cyclone 20P formed in the Southern Pacific Ocean NASA's Aqua satellite analyzed storm cloud top temperatures while the RapidScat instrument looked at surface winds. The National Weather Service in Pago Pago expects the tropical storm to affect American Samoa by the weekend.