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Weather

Duke of Edinburgh Award Westbury OAC. Weather. Aims of Session. Understand the effects that the weather has on you and your activities. Where to look for weather information How to interpret that information to make an informed decision about your activities. Artic Maritime.

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Weather

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  1. Duke of Edinburgh Award Westbury OAC Weather

  2. Aims of Session • Understand the effects that the weather has on you and your activities. • Where to look for weather information • How to interpret that information to make an informed decision about your activities

  3. Artic Maritime Polar maritime Polar Continental Tropical Maritime Tropical Continental Where does our weather come from?

  4. Air Pressure

  5. Effects of Air Pressure

  6. The Effect of Wind in the Mountains

  7. Wind and its effect on us!

  8. Rain • Lowers morale • Increases the risk of cold injury • Slippery rocks • Slower progress

  9. Temperature 700m 1° ° -1° 600m 0° 600m 0° 500m 3° 1° 400m 2° 300m 4° 3° 200m 4° 100m 5° 5° Cloudy and Wet Clear and Dry

  10. Sources of Information • Internet • www.mwis.org.uk; • www.metoffice.gov.uk • Tourist information • Mountain rescue bases • Newspapers • Television & radio • Look around! • Check the forecast as close to the time of the expedition as possible to obtain the most accurate information.

  11. Clouds Cirrus - thin, wispy, curly-shaped clouds Cumulo-nimbus- large, dense, towering clouds that cause rain and thunderstorms Stratus - Layered, horizontal clouds with a flat base Cumulus - puffy clouds

  12. Predicting Bad Weather

  13. Remember • Hills are more likely to have their own micro-climate and localised wind. • High pressure: Summer – protect yourself against the sun Winter – wrap up warm • Low pressure: Layers; wet weather gear • Check the forecast before going into the hills • Forecasts do not take account of wind chill • Be prepared to change your plans in bad weather

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