nature and distribution of tropical storms Flashcards
what is a tropical storm?
an intense low pressure systems
where do they normally develop?
5 degrees north or south of the equator
near the tropics
what temp doe ocean have to be?
27
what direction do they move/
westwards
what % occur in the eastern pacific?
17
what % occur in the carribean?
11
how many occur in asia?
one third of all storms
how are tropical storms measured/
there magnitude is measured using the sapphir simpson scale
what is the sapphir simpson scale?
a five point scale that measures central pressure wind speed storm surge potential impacts
what speed is winds in cat 1?
120 kmh
what wind speed is in cat 5?
250 kmh
how high can storm surges get in category five storms?
20 feet
what is the average life of a tropical storm?
7-14 days
what % of tropical storms occur in the tropics
80%