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Paper 1
Weather Hazards
Both
Use the formation stages in order.
Key Facts
- Storms are named when winds exceed 74 mph.
- Climate change is expected to increase extreme rainfall.
- Preparedness reduces vulnerability and cost.
- Storm surges amplify coastal flooding.
Topics Covered
Tropical Storms
What you need to know
- •Form over warm oceans above 27 degrees C.
- •Need low wind shear and rising air.
Exam Tips
- Use the formation sequence in order.
UK Weather Hazards
What you need to know
- •Atlantic depressions bring strong winds, heavy rain, and flooding.
Exam Tips
- Link hazards to impacts like transport disruption.
Key Terms
Storm surge
A rise in sea level due to low pressure and strong winds.
Wind shear
Change in wind speed and direction with height.
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Common Exam Questions
Explain how a tropical storm forms.
4 marksmediumPaper 1
Model Answer
Warm ocean water heats air, low pressure forms, air rises and spins due to the Coriolis effect, creating a storm.
What examiners want to see
- ✓Use the sequence and key conditions.
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