Weather Flashcards

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1
Q

Weather definition

A

Weather is the state of the atmosphere at any given time

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2
Q

Weather stations gather data on

A

Atmospheric pressure
Temp
Precipitation
Wind direction + speed
Humidity
Sunshine

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3
Q

Atmospheric pressure

A

The weight of the atmosphere pushing down on the earth
Measured with a barometer
Lines used in weather map to display atmospheric pressure called isobarrs

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4
Q

Temp

A

Measures in °C with thermometer
Max + min thermometer used in weather stations

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5
Q

Precipitation

A

A rain gauge is used to measure precipitation in ml
Westcoast is close to the Atlantic so it has heavier rainfall

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6
Q

Wind direction + speed

A

Wind vane-indicates the direction of the wind
Anemometer-strenght of wind measured in km/h

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7
Q

Humidity

A

Amount of water vapour in the air
Measured with a hygrometer expressed in percentage
When the air is saturated it can’t hold any more water

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8
Q

Sunshine

A

A Campbell Stokes recorder measures the hours of sunshine in a day

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9
Q

Severe weather

A

A weather event that is significantly different from regular weather + can cause damage/put people in danger

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10
Q

How hurricanes form

A

Hurricanes form over tropical oceans
Warm moist air condenses and releases heat, powering the storm
Labeled as tropical storm @ 120km/h
Storms join together + grow
Storm develops an eye in the middle
Carried across the ocean by wind getting stronger
Friction with land weakens the storm

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11
Q

Scale used measure hurricanes

A

Saffir-Simpson scale

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12
Q

Hurricane Matthew - Economic impacts

A

$1.9 damage in Haiti
Flights disrupted
Schools + businesses shut down

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13
Q

Hurricane Matthew - Social impacts

A

586 deaths in Haiti
Cholera outbreak from contaminated water
Crop destruction - food shortage
200,000 homes destroyed

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14
Q

Hurricane Matthew - Short term aid

A

Shelter
Food + medical supplies
Water purifiers

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15
Q

Hurricane Matthew - Long term aid

A

Seed distribution - grow crops + support farmers
Rebuild roads + buildings
Counselling services

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