Weather And Climate Case Studies- The Great Storm Flashcards
Where?
The UK and France
What?
Severe temperate storm
Hit South Cornwall/Devon after midnight
When
15th October 1987
Why?
Caused by depression, rapid falling of air pressure
Why?
Depression began over Bay of Biscay
Deepened due to warm sea temps, steep temp gradient between 2 air masses
Why?
Centre pressure low, strengthened winds
Polar jet stream further south-formed over N France/N England, not Scotland
Wind speeds
136km per he
Impacts
22 deaths
Power/phone lines knocked down-150,000 homes affected
Buildings destroyed-1 million
Impacts
£1.4 billion insurance claims
Transport disrupted
Gatwick closed
Boats wrecked
Responses
Lots of emergency calls
Phone companies repaired equipment
Roads cleared
Responses
Warning only 3 hrs before
Improved forecast of weather