Clip description Keywords
An introduction to the Sonoran Desert
An introduction to the Sonoran Desert

Duration: 05:36

The Sonoran Desert in southwestern America experiences high temperatures and low rainfall. Plants adapt to the harsh conditions by storing water and becoming tolerant to drought conditions.

 
Ancient footprints at Sefton Sands
Ancient footprints at Sefton Sands

Duration: 04:20

Ancient human footprints dating back 5,000 years often appear at Sefton Sands, before being washed away again by the tide.

 
Arctic Survey team awoken by cracking ice
Arctic Survey team awoken by cracking ice

Duration: 01:14

The Catlin Arctic Survey team is awoken by the sound of pressure ridges being formed as the ice cracks around their tent.

 
Changing seasons in a  North American forest
Changing seasons in a North American forest

Duration: 01:04

A timelapse film of a forest reveals the changing seasons in North America. The change of colour from summer green to autumn red is even visible from space.

 
Collecting atmospheric data by satellite
Collecting atmospheric data by satellite

Duration: 01:03

Satellites give forecasters a unique overview of the world's weather.

 
Contrasting Morecambe with Torremolinos - climate
Contrasting Morecambe with Torremolinos - climate

Duration: 02:37

Air masses have a great influence on the climates of Morecambe and Torremolinos. Climate graphs illustrate these differences.

 
Contrasting Morecambe with Torremolinos - latitude
Contrasting Morecambe with Torremolinos - latitude

Duration: 04:57

Torremolinos and Morecambe are only a two-hour flight apart, yet their climates are very different. The climates of the two coastal resorts differ because of latitude and air masses.

 
Convectional rainfall - Costa Rica
Convectional rainfall - Costa Rica

Duration: 01:02

Costa Rica experiences hot weather. This heat brings heavy convectional rainfall.

 
Depressions and frontal rainfall in the UK
Depressions and frontal rainfall in the UK

Duration: 01:50

The UK experiences depressions as it lies on the boundary between cool air from the Arctic and warm air from the tropics. Fronts mark the boundary between the warm and cold air and rainfall is always found here.

 
El Niño and La Niña - ocean currents and winds
El Niño and La Niña - ocean currents and winds

Duration: 03:24

An introduction to the typical pattern of Pacific trade winds and the resulting impact on regional climates, with a description of the El Niño phenomenon.

 
El Niño, La Niña and the Southern Oscillation (no narration)
El Niño, La Niña and the Southern Oscillation (no narration)

Duration: 03:24

An animation of El Niño, La Niña and the Southern Oscillation in the southern Pacific. No narration.

 
Extreme weather - flooding in the UK
Extreme weather - flooding in the UK

Duration: 02:41

In October 2008 East Devon and parts of Cornwall were hit by serious flooding after a night of storms, including severe rain and heavy hail.

 
Global weather circulation
Global weather circulation

Duration: 02:54

An explanation of how heat from the Sun in conjunction with the Earth's rotation create our weather.

 
High and low pressure
High and low pressure

Duration: 03:35

Atmospheric pressure causes winds as air tries to move from high to low pressure areas. High pressure brings fine weather, but low pressure causes rain and storms.

 
How Indian monsoon rains are caused
How Indian monsoon rains are caused

Duration: 08:13

Presenter Kate Humble and physicist Helen Czerski go to India to explain the causes of monsoon rains.

 
How is rainfall distributed across Africa?
How is rainfall distributed across Africa?

Duration: 02:00

An investigation into the causes of uneven rainfall across Africa.

 
How planet Earth was hit by meteorites, causing Earth’s tilt and its seasons
How planet Earth was hit by meteorites, causing Earth’s tilt and its seasons

Duration: 07:23

An explanation of how the earth's 23 degree tilt may have been caused by meteorite impacts. The presenter uses a paraglider to show how warm, rising air is at the heart of Earth's weather.

 
How the atmosphere behaves like a fluid
How the atmosphere behaves like a fluid

Duration: 02:26

A look at how the atmosphere behaves like a fluid and is capable of moving in a similar way to water.

 
How the Earth’s tilt creates the seasons
How the Earth’s tilt creates the seasons

Duration: 07:02

An explanation of how the earth's 23 degree tilt causes seasons. Illustrated by footage from Chichen Itza in Mexico and through the use of a clear demonstration of the earth’s orbit.

 
Monsoon rains support the Indian rainforest
Monsoon rains support the Indian rainforest

Duration: 00:51

The rainforests of southern India receive monsoon rain for six months each year. The forest is sustained by this water and in turn it is able to support the vast biodiversity found in a rainforest.

 
Predicting the weather - frontal systems
Predicting the weather - frontal systems

Duration: 02:07

A demonstration and explanation of the weather formed by fronts and by the landscape.

 
Rainforest processes - Costa Rica
Rainforest processes - Costa Rica

Duration: 02:59

The rainforests in Costa Rica exist in a delicate balance. Water and nutrients within the forest are recycled and in this way the ecosystem sustains itself.

 
Rainforest structure - layering
Rainforest structure - layering

Duration: 05:09

The rainforest consists of several layers. Each layer has plants and animals which are adapted to the conditions found there.

 
Relief rainfall - New Zealand
Relief rainfall - New Zealand

Duration: 02:50

New Zealand's South Island experiences regular relief rainfall. This creates a rare temperate rainforest environment.

 
The Arctic Circle tundra
The Arctic Circle tundra

Duration: 01:18

An introduction to conditions in the tundra region of the Arctic Circle, which experiences only two seasons.

 
The frozen taiga forest
The frozen taiga forest

Duration: 01:55

An introduction to the taiga or boreal forest environment of Siberia.

 
The impact of flooding on traffic in Northern Ireland
The impact of flooding on traffic in Northern Ireland

Duration: 01:22

News report about traffic problems after flooding in the north west of Northern Ireland.

 
The influence of weather on human activity
The influence of weather on human activity

Duration: 00:20

An introduction to the influence of weather conditions on human activity, both at leisure and at work.

 
The Monsoon rains of India
The Monsoon rains of India

Duration: 01:22

Professor Iain Stewart explains how differential heating of land and sea give rise to the Indian monsoon.

 
Thermal imagery in the desert
Thermal imagery in the desert

Duration: 02:02

Thermal imagery can be used to show the diurnal range of temperature in the hot deserts.

 
Tornadoes - What triggers a twister?
Tornadoes - What triggers a twister?

Duration: 03:17

Computer models allow us to simulate the conditions which could account for the formation of a tornado.

 
Tornadoes – The power of a tornado
Tornadoes – The power of a tornado

Duration: 02:22

Scientists demonstrate the power of a tornado's winds in a laboratory in Texas using compressed air guns.

 
UK weather patterns - the summer floods of 2007
UK weather patterns - the summer floods of 2007

Duration: 04:19

The UK suffers from notoriously unpredictable weather patterns, exemplified by the summer floods of 2007. Includes a look at how humans have increased the risk of flooding.

 
Using satellites to understand ocean currents and climate change
Using satellites to understand ocean currents and climate change

Duration: 4:15

The latest generation of satellites use ocean imaging technology to detect changing weather patterns and help us understand climate change.

 
Using satellites to understand weather and climate
Using satellites to understand weather and climate

Duration: 4:55

The history of weather forecasting and early satellite programmes is told using archive film. The science of weather forecasting has been transformed by the introduction of satellite technology.

 
Volcanoes and global climate (no narration)
Volcanoes and global climate (no narration)

Duration: 02:35

An animation is used to explain how volcanic ash in the upper atmosphere increases average global temperatures. No narration.

 
Weather stations - collecting climate data
Weather stations - collecting climate data

Duration: 01:12

To predict the weather, a range of data about the Earth's atmosphere is needed. Data is collected at stationary and mobile weather stations around the world.

 
What happened to the iceberg which sank the Titanic?
What happened to the iceberg which sank the Titanic?

Duration: 01:29

Documentary description of how the Titanic's iceberg might have melted as it travelled further south into warmer waters.

 

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