S4 – Weather Unit Image copyright Joseph Kerski

Lesson 4 – Air Masses

Starter Describe in 5 words: The weather in summer The weather in winter

The UK’s weather is affected by Air Masses The UK’s weather is affected by Air Masses. We name them based on where they come from…. Tropical Polar Arctic Which of these are polar, arctic or tropical?

The UK’s weather is affected by Air Masses The UK’s weather is affected by Air Masses. We name them based on where they come from….and what they have travelled over to reach us Continental Maritime Which of these 5 are continental and which are maritime?

On your sheets: Cut out the air masses and place them in the correct places around your map. One is a red herring! Arctic Maritime Polar Continental Tropical Maritime Tropical Continental Arctic Continental Polar Maritime Which of these 5 are continental and which are maritime?

Complete this passage in your books… The UK w____________ is affected by ____ masses. These come from different r________. There are (number) areas where they come from. These are ________, ________ and _________ regions. Air masses can either cross _________ or _____________. Which air mass do you think is: Coldest Warmest Wettest Driest Weather, Air, Regions, 5, Polar, Arctic and Tropical, Land, Sea.

Arctic Maritime Very Cold and Wet Polar Maritime Cool and Wet Polar Continental Cold and Dry Tropical Maritime Warm and Wet Tropical Continental Very Warm and Very Dry

What is the story behind these headlines? Snow o’clock! North-East of England receives record 40cm overnight Burn baby burn: Cornwall experiences summer heatwave with record temperatures today! Rain, rain, rain in Wales – flood warnings increase Which air mass was involved?

PLENARY Send a tweet informing people how air masses affect our weather. Hashtags are allowed Abbreviations are allowed Be careful – you only have 140 characters!