The evolvement of echo during the formation of hail storm and the relation of echo intensity with its height are analyzed by use of echo data. of the 711 rainradar.
Radar sightings, while in certain respects more reliable, fail to discriminate between artificial objects and meteor trails, ionized gas, rain, or thermal discontinuities in the atmosphere.
在某种程度上更为可靠的雷达观测无法区别大气中的人造飞船、流星轨迹、电离的空气、雨滴和热断层。
3
As a result, no radar record of the breakup exists-only of the metal rain that drifted down over East Texas, and eventually came into the view of air-traffic control.