1. Understanding Weather Symbols

3. TYPICAL MEDIA WEATHER MAP
Look at the symbols.
What weather does Eastern England have?
What is the weather like in
Northern Scotland ?

4. This is an example of a synoptic chart.
Weather is recorded on the chart using special symbols, which represent the conditions at weather station at that present time.
Understanding Weather Symbols

5. A number here shows temperature
The lines at the end show the wind speed.
The circle shows the level of cloud cover. 7
The condition of the weather is shown underneath. (for example this shows that there is fog)
The line coming off the circle shows the direction the wind is coming from.

6. HOW IS WEATHER SHOWN ON A WEATHER MAP?
Present weather
Mist
Fog
Thunder
Drizzle
Rain
Snow
Shower
Heavy
rain
Heavy
snow
Hail
The shower symbol can be combined with others….
Rain shower
Hail shower
Snow shower
Temperature is shown at the top left of the circle
Drizzle
Present weather is shown by the symbol at the bottom left of the circle

7. Understanding Weather Symbols
Don't panic...

8. HOW IS WEATHER SHOWN ON A WEATHER MAP? (3)
Cloud cover is shown by the amount of shading inside the station circle. Cloud cover is measured in oktas Eighths of the sky !
Clear sky
1 okta
2 oktas
3 oktas
I hope it doesn’t cloud over
4 oktas
5 oktas
6 oktas
7 oktas
8 oktas
Overcast
© Microsoft Word clipart
obscured

9. Understanding Weather Symbols
Wind
Five knots is added for each half a feather.
The wind speed is shown by the ‘feathers’.
10 knots.
Understanding Weather Symbols
Where the wind has come from….
Winds are named after their origin.

10. Understanding Weather Symbols
Other conditions...
Eight Oktas- cloud cover.
Understanding Weather Symbols 5
Heavy Rain.
Sometimes a number may represent the temperature.

11. Unusually high winds, considering lack of cloud cover and temperature.
Anything wrong?
Unusually high winds, considering lack of cloud cover and temperature.
Understanding Weather Symbols
High temperature but snow! * 21
Snow, but no cloud cover.

12. 1. Wind direction and speed.
Understanding Weather Symbols

13. 2.Cloud cover and weather.
Understanding Weather Symbols

14. 3.Wind direction and wind speed.
Understanding Weather Symbols

15. 5.Wind direction, cloud cover, weather and wind speed.
Understanding Weather Symbols ,

16. Understanding Weather Symbols
5.Wind speed.
Understanding Weather Symbols

17. 6.Cloud cover and weather, wind speed and wind direction.
Understanding Weather Symbols ,

18. Understanding Weather Symbols
7.Wind speed.
Understanding Weather Symbols

19. Understanding Weather Symbols

20. Understanding Weather Symbols

21. 10 Wind direction and speed.
Understanding Weather Symbols

22. Draw a shape in your jotter for:
4 Oktas cloud cover
Rain
20 knots Easterly wind
8▫C
Draw a shape in your jotter for:
1 Oktas cloud cover
Sleet
15 knots Southerly wind
2▫C
Draw a shape in your jotter for:
7 Oktas cloud cover
Snow
5 knots Westerly wind
5▫C
Draw a shape in your jotter for:
6 Oktas cloud cover
Mist
2 knots North Easterly wind
15▫C

23. Understanding Weather Symbols
Get a white board between you and the person sitting next to you.
Take turns and use the white board to draw a weather symbol. The person who is not drawing needs to work out what the weather is like.
They can not use their jotters, see how much you can remember!
Understanding Weather Symbols

24. Understanding Weather Symbols
Homework:
Revise your met office weather symbols sheet.
Quick test on Friday. 26/08/11
Understanding Weather Symbols