Evolution of winds thru a day
-active over lakes with or without a breeze
•Morning – Cool layer – light winds
•Mid Morning – Laminar flow – steady wind
•Late morning  - Steady wind with beginning thermals – gusts and calms
•Noon – Cellular Clouds – wind areas and calms
•Afternoon – Rolls – oscillating flows
•Evening – Cellular to Laminar – steady winds return
•Night – Laminar – sometimes great winds
•Early morning – cool buffer over lake from drainage flow