tropical storms

how they form

conditions

hurricane irma

oceans above 26 degrees (28 is the sweet spot)

oceans have to be at least 60 metres in depth

torrential, heavy rain, very strong winds and storm surges/sea surges

how they move

They move west across the Atlantic, when they hit Mexico they start to move more north-west or north. The wind speed is at least 74 mph and can get up to 155 mph in the eyewall you then get the central eye which is very calm where the rain stops and the sun comes out this could last for about 30 minutes.

when do they die out

as they go over land due to the friction being created

when they lose energy due to the cooling effect of passing over land at a higher latitude

when they move into cooler areas of the ocean

primary impacts

secondary impacts

response

what else can they be called

hurricanes (North America)

cyclones (Indian ocean)

typhoons (south-east Asia).

facts

30 August 2017 – 14 September 2017

it was a category 5

lasted 3 days

at least 134 deaths

Around 90% of the us structures and vehicles have been destroyed

$50 million in damage - making it the costliest hurricane in florida history

no power

no water

no shops

Homelessness - Hurricane Irma's destructive path decimated the Florida Keys and left an estimated 10,000 people homeless.

loods can increase the risk of outbreaks of food- and waterborne diseases, such as hepatitis A, typhoid fever, cryptosporidiosis, giardiasis, shigellosis and diarrhoeal disease.there was also Mosquito-borne diseases like malaria, cholera

The navy had to come and rebuild the docs so boats could get to shore with the aid

the American Red Cross to set up and operate shelters at local schools for those whose homes were destroyed or too damaged to live in.