Large data set Flashcards

1
Q

Name the 5 cities in the UK which are included in the large data set

A
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2
Q

Which of the UK weather stations are more likely to be windier and rainier?

A

Coastal areas e.g Leuchars, Hurn, Cambourne

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3
Q

Which of the UK weather stations are more likely to be hotter and sunnier?

A

Stations in the South e.g. Heathrow

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4
Q

When is the data set from?

A

May-Oct 1987 and 2015

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5
Q

Where are the 3 international stations in the large data set?

A

Perth
Beijing
Jacksonville

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6
Q

What is Perth’s climate?

A

It is in the southern hemisphere so its season are the opposite to the UK. It is also very hot in the summer

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6
Q

What is Beijing’s climate like?

A

It is very seasonal with extremely hot and wet summers and extremely cold winters.

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7
Q

What is Jacksonville’s climate like?

A

It is generally warm and prone to hurricanes. (Hurricanes in Oct ‘87 and Oct ‘15)

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8
Q

What does tr mean?

A

Trace-less than 0.05mm of rain
We treat this as 0 in calculations

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9
Q

What does n/a mean?

A

Not available
Can’t be used in the sample

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10
Q

What is cloud cover measured in?

A

Oktas
They are discrete integers from 0-8. It measures how many eighths of the sky is measured in clouds.

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11
Q

What is max gust measured in?

A

Knots

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12
Q

What are oktas?

A

They are discrete integers from 0-8. It measures how many eighths of the sky is measured in clouds.

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13
Q

How many mph does 1 knot equal?

A

1kn=1.15mph

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14
Q

When was the Great storm in the UK?

A

October 15th/16th 1987

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15
Q

What are the variables on the large data set?

A

1.Daily Mean temperature (°C)
2.Daily total rainfall (mm)
3.Daily total sunshine (nearest 1/10 of an hour)
4. Daily Mean Windspeed (kn or the Beaufort scale)
5. Daily Maximum Gust (kn)
6. Daily Maximum Relative Humidity (% of air saturation with water vapour)
7. Daily Mean Cloud Cover (oktas)
8. Daily Mean Visibility (dam)
9. Daily Mean Pressure (hPa)
10. Daily Mean Wind Direction (kn)
11. Cardinal Direction of Mean Wind
12. Daily Max Gust (kn)
13. Cardinal Direction of Max Gust

16
Q

What are the variables on the Beufort scale and how are they determined?

A

0=Calm < 1kn
1-3= Light 1-10kn
4=Moderate 11-16kn
5=Fresh 17-21kn