Large Data Set Info Flashcards

1
Q

5 British Data Set Locations ordered North - South

A

-Leuchars
-Leeming
-Heathrow
-Hurn
-Camborne

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2
Q

3 overseas locations ordered North - South

A

-Jacksonville
-Beijing
-Perth

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3
Q

Important information to remember about overseas locations

A

All on the coast

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4
Q

How do you measure daily maximum temperature?

A

Degrees Celsius

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5
Q

How do you measure daily total rainfall?

A

Mm

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6
Q

How do you measure daily total sunshine?

A

Hours

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7
Q

How do you measure daily maximum humidity?

A

% - mist and fog if greater than 95%

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8
Q

How do you measure daily maximum wind speed/wing gust?

A

Knots (1kn = 1.15mph) + Beaufort Scale

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9
Q

What is the Beaufort Scale?

A

A discrete data set of 13 values from 0 (calm, less than 1kn) to 12 (hurricane, greater than 64kn)

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10
Q

How do you measure daily mean wind direction/gust direction?

A

Bearing and Cardinal Direction(North, South,East,West etc.)

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11
Q

How do you measure cloud coverage?

A

Oktas - discrete scale of 9 values (0-8)

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12
Q

How do you measure visibility?

A

Dm - decametres, 1Dm = 10m

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13
Q

How do you measure pressure?

A

hPa- hectopascals, 1hPa = 100Pa

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14
Q

What does n/a mean?

A

Reading not available

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15
Q

What does tr mean?

A

Trace - rainfall less than 0.05mm

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16
Q

What are the 2 time periods data is collected between?

A

May-Oct 1987 and May-Oct 2015

17
Q

What is the difference between Perth and all other data locations?

A

Perth in southern hemisphere - so its winter is over summer months

18
Q

What events happened in 1987?

A

Great Storm of 1987(October - UK) and Hurricane Floyd (October - USA)

19
Q

What event happened in 2015?

A

Hurricane Joaquin (USA)