How can a relatively small increase in the average temperature of the planet lead to numerous record-breaking heat waves? Part of the reason can be gleaned from a single graph.

An email exchange following Part I revealed the enthusiasm of the Boulder weather community for clouds and the presence of many instruments probing the atmosphere over Boulder—and, in the end, the height of the formation.

Millions of eyes were on the wedding of Prince William and Catherine Middleton even as another major UK news story took shape—one dealing with meteorology rather than monarchy.

The surfeit of snowfalls across the U.S. East Coast over the last two winters brought ample evidence of just how much the white stuff can vary from place to place—and how difficult it is to assess accurately.