Alva Review-Courier -

OKLAHOMA CITY (AP) — Weather researchers are testing drones to monitor conditions just before severe thunderstorms erupt in Oklahoma.

The Oklahoman reports (http://bit.ly/2pvYmMb ) that the unmanned aircraft systems were designed to measure the temperature, humidity, pressure and wind speed in the lower atmosphere.

Steven Koch, director of the National Oceanic and Atmospheric Administration's National Severe Storms Laboratory in Norman, Oklahoma, says that satellites, radar, surface equipment and manned aircraft gather lots of data, but nothing from 30 feet to about 2,000 feet above the ground...