Share on Google Plus. An illegal u-turn is when an individual performs a u-turn in an unauthorized zone where a sign is posted. Illegal u-turns are considered traffic violations, and individuals who are found guilty of this violation could end up with serious fines and penalties.
AQUAGUIDE POND MANAGEMENT SERIES What is it? Turnover is the gentle, natural mixing of pond and lake waters.It is caused by changing temperatures in surface watersbrought on by the progression of the seasons. In Missouriâscontinental-temperate climate, most ponds and lakes turn overin both the fall and the spring.
Lesson Objectives. 1  Describe the factors that create lake effect snow. 2  Describe how differences in lake and air temperature relate to lake effect snow. 3  Describe weather conditions associated with the movement of frontal boundaries across the Great Lakes region. 4  Describe how hills and highlands help form clouds and precipitation. Describe how cities and industrial areas are related to lake effect snow. Background Causes of Lake Effect Snowstorms. Weather is caused by large temperature differences between the land and water. (Learn more about the Great Lakes as a heat sink and heat source in the Keeping it Temperate lesson)