Flashcards in Weather hazards associated with high & low pressure systems Deck (18)
What are low pressure systems known as?
What do depressions bring?
Wet, stormy, windy weather
What are the hazards in the British Isles with Depressions?
What are the three different fronts
What is a Front?
Leading edge of an air mass
Explain warm fronts
- Warm air rises over cold air
- Cools & Condenses
Explain Cold Fronts
- Fast moving cold air drives warm air upwards to cool and condense quickly
- Get bigger towering clouds and heavy rainfall
Give a Case study of a Flood?
Gloucester Floods - July 2007 - Heavy Rain
Give the impacts of the floods in Gloucester
- Hundreds of homes & businesses under water
- Emergency Services Overwhelmed
- Power Supplies Down
Give a Case Study to show Tropical Storms
Hurricane Katrina - Aug 2005 (Louisiana USA)
Give the impacts of the Hurricane Katrina?
- 80% of city was flooded
- 1200 died
- One million left homeless
- $80 billion damage
Give another case study to show tropical storms
Hurricane Jeanne - 2003
What are High pressure systems known as?
High - Anti-cyclones
What do Anti-Cyclones bring?
Warm, stable conditions. Clear skies
What are the hazards in the British Isles with Anti-Cyclones?
Give an examples of drought in UK?
Drought of 2004
Give the impacts of the Drought of 2004
- Hose pipe bans
- Fish died - Low oxygen levels