The Northern European Plain has a maritime climate in some parts with rain all seasons which make it favorable for farming.Some parts of the plain are characteristic of delta plains.Delta plains are very rich in fertile soils and the flat terrain adds to the advantage.
The blue line with triangles are a cold front. The red line with half circles are a warm front. The black H is high pressure. The black L is low pressure. The black dot is overcast skies. Finally the white circle with a line down and 4 lines off of that line is 40-knot winds.
