Though the Arctic latitudes get the spotlight during the winter months, what happens there during the summer months is sometimes a mystery to forecasters in the mainland United States. The jet stream, although it is weaker in the warm season, is quite active throughout the polar region and can drive powerful weather systems. Although the Arctic remains an exotic forecasting location, the basics of how weather works there are easily understood. We'll take a look in this issue at a typical day up north in the summer.
TIM VASQUEZ is a former Air Force forecaster and author of Digital Atmosphere, a weather forecasting software program. He lives near Norman, Oklahoma, where he keeps busy as a weather consultant and software developer.