Measurements of Wind Speeds in Tornadoes with a Portable Doppler Radar

对龙卷风最大风速的估计是通过理论计算和间接手段（如结构破坏）得出的。然而，到目前为止，对这些速度的直接验证还很少。一些测量是由固定式研究多普勒雷达进行的，但是样本量很小，而且由于雷达水平问题，在地面附近没有可用的测量。首席研究员将与洛斯阿拉莫斯国家实验室的一名科学家合作，使用小型便携式多普勒雷达在一个安全但近距离的范围内接近龙卷风，并测量龙卷风及其附近环境的风速。尽管龙卷风是罕见的事件，首席研究员与NOAA的国家强风暴实验室合作，过去在拦截龙卷风风暴方面非常成功。收集到的数据将与各种龙卷风形成理论的预测进行比较，并将首次对其中一些理论进行直接验证或反驳。

Estimates of maximum wind speeds in tornadoes has been made from theoretical calculations and through indirect means such as structural damage. To date, however, direct verification of these speeds has been sparse. Some measurements have been made by stationary research Doppler radars, but the sample size is small and due to radar horizon problems, no measurements are available near the ground. In conjunction with a scientist from the Los Alamos National Laboratory, the Principal Investigator will use a small portable Doppler radar to approach tornadoes at a safe, but close, range and measure wind velocities in the tornado and its near environment. Even though tornadoes are rare events, the Principal Investigator, working with NOAA's National Severe Storms Laboratory, has been very successful in the past in intercepting tornadic storms. The collected data will be compared with predictions from various theories of tornadic formation and will provide, for the first time, direct verification or refutation of some of these theories.