1. A severe storm is characterised by lightning and thunder.
2.
3. They develop when warm humid air is pushed upward into the atmosphere by converging surface winds. As the air rises the moisture condenses releasing heat energy called latent heat into the air. It causes the air to become more buoyant allowing it to rise further into the atmosphere, up to a height of 12 kilometres.
4. Latent heat is the term used to explain when air rises and the moisture condenses releasing heat energy.
5. Hail is formed 12 km up into the atmosphere.
6. Tornadoes are formed when two different air masses meet.
7. The Bureau of Meteorology issues severe storm warnings based on the information it has available.
8. Severe storms are very unpredictable and are very dangerous as they form quickly and unexpectedly.
9.
a. It was issued at 1.14 pm Monday 13 November 2006
b. Greater Newcastle and Maitland/Cessnock areas.
c. The next warning will be at 2.10 pm.
d. Tell everyone to stay calm, follow the necessary procedures put in place by the school.
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