Heat stress – are you at risk?

Learn more about heat stress and how to prevent it, check  your current heat stress risks and comment on interesting weather conditions.

What is heat stress?

Heat stress is what happens when your body cannot control its temperature properly and gets too hot. Your body may heat up through exercise or just from direct sunlight. When this happens, your body tries to get rid of heat through the skin by sweating. As sweat evaporates from your skin, it also takes heat away with it, leaving your body nice and cool. 


Primary school art piece wins climate competition

Pupils of Baldwin's Gate C of E Primary School were treated to a special day at The Natural History Museum as part of their prize for winning OPAL’s climate competition.

There were more than one hundred entries to the competition, which ran in National Geographic Kids (NG Kids) magazine.

The winning entry was a creative collage depicting the sky and climate. It impressed the judges for its combination of fact and creativity.


Children demonstrate a tornado to presenter, John Craven

Pupils demonstrate the tornado  © BBC

Pupils from Hall School, Wimbledon joined presenter John Craven and the Countryfile team recently, to take part in the OPAL climate survey.

They also demonstrated a number of weather experiments, including creating a tornado and a cloud in a bottle.

See a short clip of how they got on the BBC website.


Catch the OPAL Weather Roadshow

Explore the exciting science of climate and weather at an OPAL Weather Roadshow.

Record your own live weather forecast, take part in weather experiments, observe a professional weather station, and marvel at a tornado generator.

There are lots of activities and demonstrations to suit all ages and you’ll also be able to pick the brains of professional meteorologists and OPAL scientists.



Join the bubble chase and help study urban climate

People in Manchester will be joining in two unique science experiments to explore the urban heat island micro-climate.

Developed by the Met Office and supported by OPAL, these experiments involve blowing bubbles, seeing where they land, and recording the findings online. The results will tell us a great deal about air flows throughout the city.



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