Water:Case Study:Cumbria flooding Flashcards
(24 cards)
Which storm caused flooding in Cumbria?
sTORM desmond
When did Storm Desmond strike?
December 5th and 6th 2015
Which area was primarily affected?
Cumbria
what speed were the highest gusts of wind recorded at?
130km/hr
Name four causes of the flooding
Warm and Cold air interaction
Extratropical cyclone
Relief rainfall
Pre-saturated ground
Where did warm air masses travel from and over?
Warm air masses from the Caribbean travelled across the Atlantic Ocean and met colder air over Northern England
What kind of low pressure system was Storm Desmond classified as?
A deep low pressure system
A deep low pressure system is characterise day?
A significant drop in atmospheric pressure, leading to intense weather conditions
what kind of air was forced over Cumbrian mountains
Warm, moisture-laden air
What happened after the warm air rose over cumbrian mountains?
It cooled and condensed resulting in prolonged heavy rainfall
What is relief rainfall?
As warm, moisture-laden air rises over mountains it cools and condenses resulting in prolonged heavy rainfall
What is relief rainfall also known as?
Orographic rainfall
What happened to the ground prior to the storm?
The region has already experienced twice it’s average monthly rainfall
How many homes were flooded?
5200
What does the flooding of homes lead to?
Displacement of people
What was the economic cost of damage across cumbria?
£500 million
What happened to the rivers due to flooding?
Increased erosion and large amounts of sediment were deposited on flood plains down stream altering the natural landscape
How many homes across Cumbria and Lancashire were out of power?
43,000
How many schools closed
40
How many rescue centres were established across Cumbria?
5
How many military personnel were deployed?
200
What was used top remove floodwater in some areas?
High volume pumps
