Is a 1-5 rating based on a hurricane's sustained wind speed. Estimates poetntial property damage. Category 3 and higher are considered major hurricanes because of their potential for significant loss of life and damage.
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The Saffir - Simpson Scale limitations
-doesn't take into account the nature of the country -is the country well/ not well protected - limits the hurricane's scale, there is no upper level -storms getting worse with climate change
2 of 10
National Hurricane Centre (NHC)
Hurricane watch and hurricane warning
3 of 10
Hurricane watch
announcements made tospecific coastal areas that hurricane conditions are possible in the next 36 hours
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Hurricane warning
announcements are made to specific coastal areas that have sustained wind speed of 119km/h and above expected in the next 24 hours
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Monitoring technology
geostationary satellite, polar orbiting satellite, visible light meter, infrared meter
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Geostationary satellite
-orbits 35,780km -completes one orbit in 24 hours -orbiting over the equator will appear to be stationary and 'hang over' the spot on the earths surfact all the time
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Polar orbiting satellite
-pass over earth from pole to pole -proves detailed information about cloud structure -orbits lower that geostationary satellite
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Visible light meter
-provides visible images -what is viewed is sunlight reflected fron earth or clouds -images visible during daylight -the brighter the cloud appears the thicker it is
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Infrared meter
-cold surfaces white, warm surfaces darker -measures temperature of cloud+earths surface -infrared images available even when no daylight
10 of 10
Other cards in this set
Card 2
Front
-doesn't take into account the nature of the country -is the country well/ not well protected - limits the hurricane's scale, there is no upper level -storms getting worse with climate change
Back
The Saffir - Simpson Scale limitations
Card 3
Front
Hurricane watch and hurricane warning
Back
Card 4
Front
announcements made tospecific coastal areas that hurricane conditions are possible in the next 36 hours
Back
Card 5
Front
announcements are made to specific coastal areas that have sustained wind speed of 119km/h and above expected in the next 24 hours
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