With the arrival of spring, forecasters throughout much of the United States are put to the ultimate test. The techniques for forecasting winter weather are occasionally used through March and April, and even through May in some places. Meanwhile the increasing sun angle and the arrival of very rich moisture means that forecasters must contend with heat advisories, severe weather forecasting, and an increased risk of flooding rains. In this issue we'll take a look at a classic springtime storm system capable of all of these problems, and show how it's put together.
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.