WALT: Identify KEY words and summarize information in a text.
Thunderstrorms can be cumulonimbus clouds or puffy clouds when warm air and cold air mix.
Thunderstorm's are very severe when hail is more then two centimeters wide it is also very severe when the wind gusts are more then 90 kilometers per hour.
Thunderstorms are tracked by radar.
Weather radar send out microwaves.
meteorologists work out when a thunderstorm is forming and they can track up to 400 kilometre's away. Weather radar are installed at many buildings and are also carried on air crafts and ships.
When thunderstorms have been detected meteorologists give information to radio stations,brood casts. Emergency services get ready for a lot of calls.
A thunderstorm can cause flooding.Hail destroys crops, cars and buildings and may injure people.Lighting may kill people.High winds damage buildings or blow down trees.
By Emma and Ruby.
