Process notation Rain
name:rain.
droplet formation [1,2] = rising water vapour [1] ► coalescence [2];constraint:"true",
formation of nimbostratus [2,3] = coalescence [2] ► nimbostratus cloud [3];constraint:"false",
raining out nimbostratus [3,4] = nimbostratus cloud [3] ► rain on the ground plants and structures [4];constraint:"true".
precipitation convergence [4,5] = rain on the ground plants and structures [4] ► rainwater collection, wadis, canals, sewers [5];constraint:"true",
label:nimbostratus rain, time window: week, time unit: minute, measurement frequency: continuous (
Edugraph).