wild weather 2 Flashcards

(41 cards)

1
Q

what is the pressure in the eye of the storm like

A

high

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2
Q

where are the strongest winds wound

A

eye wall

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3
Q

how d tropical storms form

A
  • warm water heats air above it
  • low pressure on surface
  • more air sweeps in, spiriting upwards
  • rising air cools n condenses
  • huge spinning thunderclouds carrried across the sea by trade winds
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4
Q

which path do hurricanes usually take ?
and from where do they come from

A

from the caribbean sea or gulf of mexico is where they form

north westward,
north eastward

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5
Q

what happens to hurricanes shortly after going on land

A

they dissipate / die down

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6
Q

why do hurricanes start dying out when over land

A

because they have lost their heat and moisture sources

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7
Q

what are one of the worse recorded hurricnes

A

hurricane katrina

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8
Q

what temperature does the water need to be to form a hurricane

A

27*c

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9
Q

what does the pressure need to be from the air rising for hurricanes to form

A

low pressure

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10
Q

what created the anti clockwise direction of hurricanes

A

the earths spin

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11
Q

which part of the sea can be influenced by weather and air pressure

A

surface waters

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12
Q

what is a storm surge

A

is a surge where a storm pushes a large volume of water into land

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13
Q

what is more dense ?
warm and moistt air
or
cold and dry air

A

warm and moist air

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14
Q

what happens once the warm and moist air reaches the atmosphere

A

it quickly cools down and evaporates, forming storm clouds

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15
Q

where is wind created
and why

A

stratosphere,

from air from surrounding areas fills in to replace air that has risen

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16
Q

what does warmer than average surface waters lead to

A

quicker evaporation of the water vapor in the air

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17
Q

where do tornados occur

A

mostly north america and china

18
Q

what suddenly forms, descending from a. cloud when a tornado forms

19
Q

what will you start to see before a tornado starts

A

black storm clouds gathering
baseball sized hail may fall

20
Q

what are larger thunderstorms called

21
Q

what are the two special features of supercells

A

rising air
larger moisture underneath the layer of clouds

22
Q

what encourages air to rise

23
Q

what type of weather influences wildfires

A

temperature
wind
air moisture

24
Q

the sticks, trees and underbuh on the ground receive constant ___ from the sun which heats and _____ potential fuels

25
what type of temperatures allow for fuels to ignite and burn faster, which helps wildfire spread
hotter
26
what time of day do wildfires tend to rage and why
midday as its hottest
27
what has the biggest impact on a wildfires behaviour
wind
28
what does wind do to wildfires
prides the flame with extra oxygen, dries potential fuel spreads the fire around
29
what can work against the spread of a fire
moisture
30
what happens when there is a low humidity
wildfires are more likely to form
31
which part of the uk do heatwaves impact
the south
32
which parts of the uk do storms mostly impact
south and southeast of england
33
which part of the uk is most impacted by tornadoes
west of england, going up to the northwest
34
what does ‘maritime’ mean when talking about air masses
it came from the sea
35
what does ‘continental’ mean when talking about air masses
that it came from land
36
what does ‘tropical’ mean when talking about air masses
came from the tropics
37
what is a depression
air rises and cools, water vapor condensing to form clouds and sometimes precipitation weather in a depression is often wet and windy winds are anticlockwise around the depression
38
what, when and where was the beast from the east
a lot of snow and ice 2013 UK
39
how much money did the UK lose form the beast from the east
aprox 1B per day
40
what happened during the beast from the east
mass shortages as things couldnt be delivered 8,000 crashes
41
what is one social, economic and environmental problem with droughts in the horn of africa
social : health problems due to lack of nutrients economic : farmers lose money if their crops are destroyed environmental : loss or destruction of fish and wildlife habitat