Tropical Storms Argument Flashcards
Why have they increased in size
Global warming
Evidence that it will Increase
More category 4 and 5
Less 1-3
Amount of damage higher
USA 6/10 most expensive since 1990
Doubled in 100 years
How does global warming lead to increase
Oceans have warmed by 0.5°c
Sea temp will reach 26°c more storms can form
Air temp higher
Means more storms pick up water vapour, stronger storms
Distribution changes as waters reach above 26°c further N and S
Opinions against
Natural cycles where they increase and decrease
Increase in 1995 but should decrease in the future
More people live at the cost
More industry
More damage to these areas
Increase cost
Only had technology since 1960s no accurate number before
Some think greater in the past
What might cause these natural cycles
El niño
What is El Niño
Periodic dip Occurs 4-8 years Caused by slight changes in the ocean currents off west coast s America Unusual patterns of tropical storms Reduce hurricanes Increase cyclones and typhoons