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The Beaufort Wind Scale PowerPoint PPT Presentation


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The Beaufort Wind Scale. Use this presentation to learn about how weather watchers measure the wind on land. Click on the buttons to move around the presentation. Advanced computer users may wish to see the end of the presentation for further ideas for using this material.

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The Beaufort Wind Scale

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The beaufort wind scale l.jpg

The Beaufort Wind Scale

Use this presentation to learn about how weather watchers measure the wind on land.

Click on the buttons to move around the presentation.

Advanced computer users may wish to see the end of the presentation for further ideas for using this material.


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About the Beaufort Wind Scale

The Beaufort Wind Force Scale was invented in 1805 by a sailor called Sir Francis Beaufort, so it was named after him. In those days the strength of the wind was very important for sailing ships. The wind scale was really to help sea goers describe the wind strength in a common format. In later years the scale was modified to describe conditions on land.

The wind scale is used by many weather watchers around the world.

There are important terms and phrases that have specific meaning and tell people how fast the wind is.


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Click on the buttons to see the effects of the wind, then return to this chart.

Quiz


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Beaufort 0 (under 1 m.p.h.)

Calm

Keep mouse clicking on the picture to make it move!

Calm; smoke rises vertically.

Chart


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Beaufort 0 (under 1 m.p.h.)

Calm

Keep mouse clicking on the picture to make it move!

Calm; smoke rises vertically.

Chart


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Beaufort 0 (under 1 m.p.h.)

Calm

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Calm; smoke rises vertically.

Chart


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Beaufort 1 (1 - 3 m.p.h.)

Light Air

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Smoke drifts

Chart


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Beaufort 1 (1 - 3 m.p.h.)

Light Air

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Smoke drifts

Chart


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Beaufort 1 (1 - 3 m.p.h.)

Light Air

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Smoke drifts

Chart


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Beaufort 2 (4 - 7 m.p.h.)

Light breeze

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Wind felt on face

Chart


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Beaufort 2 (4 - 7 m.p.h.)

Light breeze

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Wind felt on face

Chart


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Beaufort 2 (4 - 7 m.p.h.)

Light breeze

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Wind felt on face

Chart


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Beaufort 3 (8 - 12 m.p.h.)

Gentle breeze

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Leaves move constantly

Chart


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Beaufort 3 (8 - 12 m.p.h.)

Gentle breeze

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Leaves move constantly

Chart


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Beaufort 3 (8 - 12 m.p.h.)

Gentle breeze

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Leaves move constantly

Chart


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Beaufort 4 (13 - 18 m.p.h.)

Moderate breeze

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Small branches move

Chart


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Beaufort 4 (13 - 18 m.p.h.)

Moderate breeze

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Small branches move

Chart


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Beaufort 4 (13 - 18 m.p.h.)

Moderate breeze

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Small branches move

Chart


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Beaufort 5 (19 - 24 m.p.h.)

Fresh breeze

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Small trees sway

Chart


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Beaufort 5 (19 - 24 m.p.h.)

Fresh breeze

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Small trees sway

Chart


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Beaufort 5 (19 - 24 m.p.h.)

Fresh breeze

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Small trees sway

Chart


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Beaufort 6 (25 - 31 m.p.h.)

Strong breeze

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Whistling heard in wires

Chart


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Beaufort 6 (25 - 31 m.p.h.)

Strong breeze

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Whistling heard in wires

Chart


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Beaufort 6 (25 - 31 m.p.h.)

Strong breeze

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Whistling heard in wires

Chart


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Beaufort 7 (32 - 38 m.p.h.)

Near gale

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Whole trees in motion

Chart


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Beaufort 7 (32 - 38 m.p.h.)

Near gale

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Whole trees in motion

Chart


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Beaufort 7 (32 - 38 m.p.h.)

Near gale

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Whole trees in motion

Chart


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Beaufort 8 (39 - 46 m.p.h.)

Gale

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Twigs break off trees

Chart


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Beaufort 8 (39 - 46 m.p.h.)

Gale

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Twigs break off trees

Chart


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Beaufort 8 (39 - 46 m.p.h.)

Gale

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Twigs break off trees

Chart


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Beaufort 9 (47 - 54 m.p.h.)

Strong gale

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Slight structural damage

Chart


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Beaufort 9 (47 - 54 m.p.h.)

Strong gale

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Slight structural damage

Chart


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Beaufort 9 (47 - 54 m.p.h.)

Strong gale

Keep mouse clicking on the picture to make it move!

Slight structural damage

Chart


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Beaufort 9 (47 - 54 m.p.h.)

Strong gale

Keep mouse clicking on the picture to make it move!

Slight structural damage

Chart


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Beaufort 9 (47 - 54 m.p.h.)

Strong gale

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Slight structural damage

Chart


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Beaufort 9 (47 - 54 m.p.h.)

Strong gale

Keep mouse clicking on the picture to make it move!

Slight structural damage

Chart


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Beaufort 9 (47 - 54 m.p.h.)

Strong gale

See it again

Keep mouse clicking on the picture to make it move!

Slight structural damage

Chart


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Beaufort 10 (55- 63 m.p.h.)

Storm

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Trees uprooted

Chart


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Beaufort 10 (55- 63 m.p.h.)

Storm

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Trees uprooted

Chart


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Beaufort 10 (55- 63 m.p.h.)

Storm

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Trees uprooted

Chart


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Beaufort 10 (55- 63 m.p.h.)

Storm

Keep mouse clicking on the picture to make it move!

Trees uprooted

Chart


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Beaufort 10 (55- 63 m.p.h.)

Storm

Keep mouse clicking on the picture to make it move!

Trees uprooted

Chart


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Beaufort 10 (55- 63 m.p.h.)

Storm

Keep mouse clicking on the picture to make it move!

Trees uprooted

Chart


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Beaufort 10 (55- 63 m.p.h.)

Storm

Keep mouse clicking on the picture to make it move!

Trees uprooted

Chart


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Beaufort 10 (55- 63 m.p.h.)

Storm

Keep mouse clicking on the picture to make it move!

Trees uprooted

Chart


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Beaufort 10 (55- 63 m.p.h.)

Storm

See it again

Keep mouse clicking on the picture to make it move!

Trees uprooted

Chart


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Beaufort 11 (64 - 72 m.p.h.)

Violent storm

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Wide-spread damage

Chart


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Beaufort 11 (64 - 72 m.p.h.)

Violent storm

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Wide-spread damage

Chart


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Beaufort 11 (64 - 72 m.p.h.)

Violent storm

Keep mouse clicking on the picture to make it move!

Wide-spread damage

Chart


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Beaufort 11 (64 - 72 m.p.h.)

Violent storm

Keep mouse clicking on the picture to make it move!

Wide-spread damage

Chart


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Beaufort 11 (64 - 72 m.p.h.)

Violent storm

Keep mouse clicking on the picture to make it move!

Wide-spread damage

Chart


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Beaufort 11 (64 - 72 m.p.h.)

Violent storm

Keep mouse clicking on the picture to make it move!

Wide-spread damage

Chart


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Beaufort 11 (64 - 72 m.p.h.)

Violent storm

Keep mouse clicking on the picture to make it move!

Wide-spread damage

Chart


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Beaufort 11 (64 - 72 m.p.h.)

Violent storm

Keep mouse clicking on the picture to make it move!

Wide-spread damage

Chart


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Beaufort 11 (64 - 72 m.p.h.)

Violent storm

Keep mouse clicking on the picture to make it move!

Wide-spread damage

Chart


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Beaufort 11 (64 - 72 m.p.h.)

Violent storm

See it again

Keep mouse clicking on the picture to make it move!

Wide-spread damage

Chart


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Beaufort 12 (73+ m.p.h.)

Hurricane

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Major destruction

Chart


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Beaufort 12 (73+ m.p.h.)

Hurricane

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Major destruction

Chart


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Beaufort 12 (73+ m.p.h.)

Hurricane

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Major destruction

Chart


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Beaufort 12 (73+ m.p.h.)

Hurricane

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Major destruction

Chart


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Beaufort 12 (73+ m.p.h.)

Hurricane

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Major destruction

Chart


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Beaufort 12 (73+ m.p.h.)

Hurricane

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Major destruction

Chart


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Beaufort 12 (73+ m.p.h.)

Hurricane

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Major destruction

Chart


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Beaufort 12 (73+ m.p.h.)

Hurricane

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Major destruction

Chart


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Beaufort 12 (73+ m.p.h.)

Hurricane

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Major destruction

Chart


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Beaufort 12 (73+ m.p.h.)

Hurricane

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Major destruction

Chart


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Beaufort 12 (73+ m.p.h.)

Hurricane

See it again

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Major destruction

Chart


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Here is a little quiz to test your knowledge. Click on the true or false buttons to see if you know whether the following statements are true or false.

The Beaufort Wind Scale was invented by a soldier.

There are thirteen points on the wind scale.

Winds over 73 m.p.h are called a hurricane.

There are six types of breezes.

There are three types of gales.

Twigs break off in a force 8.

Smoke rises vertically in Light air.

Many trees are blown over over 55 m.p.h.

false

true

false

true

false

true

false

true

true

false

true

false

true

false

false

true

Chart


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Well done!

Check your knowledge –look at the chart.

Return to the quiz

Chart


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Try again

Check your knowledge –look at the chart.

Return to the quiz

Chart


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Advanced Users Notes

This is a fairly simple presentation. Users may wish to embellish the file by improving the image files, adding sounds and video clips.

By adding more pictures images the animations would be made smoother. This file was kept modest because of lack of space on the CD Rom.

Weather watchers may be interested to learn more about school weather work by looking regularly on the Naace and Becta TRE web sites.

Alan Rodgers and Angella Streluk

23.1.2005

Chart


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