A study in St. Louis shows that large urban areas can have significant local and downwind effects. (Editor)

An introduction to the new field of wind engineering is presented. (BB)

Knowledge of where and how lightning forms is emerging from the first concerted research effort on thunderstorms in thirty years. (Author/BB)

Presents a description of the National Center for Atmospheric Research, a center where scientists pursue research interests, where research facilities, too large and expensive for any one institution to maintain, are housed, and where unified planning for research is made in response to national and international concerns. (SA)