Eric Walker added Mesoscale convective system - Wikipedia to Mesoscale convective system (MCS)

Eric Walker added Derechos and Mesoscale convective system - Wikipedia to Mesoscale convective system (MCS), and added Mesoscale convective system (MCS) to Weather

Eric Walker added a number of links to Derechos, and added Derechos to Wind and Mesoscale convective system (MCS)

Eric Walker added a number of topics and a number of links to Weather, and added Weather to Nature