A Review of Three Significant Wake Lows over Alabama and Georgia

摘要

The kinematics and thermodynamics of wake lows have been extensively examined in the literature. However, there has been relatively little focus on the widespread, sometimes very strong winds associated with wake lows. Some wake lows are, essentially, severe local storms, producing widespread and sometimes intense damage, similar to that of a derecho, but they occur in environments supporting elevated convection, a phenomenon not often perceived as a significant wind damage threat. Three significant wake lows that affected Alabama and/or Georgia, producing widespread (25 000–50 000 km~2) wind damage, and local wind gusts near 25 m s~(-1), are reviewed in detail. The environments and morphology of the wake lows are addressed, using radar, surface, and upper-air data.