The large data set Flashcards
Name the five UK towns in the LDS in order descending geographically
Leuchars
Leeming
Heathrow
Hurn
Cambourne
Name the three overseas locations in the LDS
Jacksonville, Florida
Beijing, China
Perth, Australia
How long is the period of data that has been collected in the LDS?
6 months or 184 days
What two years is the data from?
1987 and 2015
Why is the previous date 1987?
It was the year of the great storm
Unit for rainfall
mm
Unit for daily mean visibility
Dm (decameters) 1Dm = 10m
What is cloud coverage measured in?
Oktas
What is daily mean pressure measured in?
hPa (hectopascals)
What is the name of the daily mean windspeed conversion?
Beaufort conversion
What 5 variables are measured overseas?
Temperature
Rainfall
Pressure
Windspeed (knots)
Windspeed (Beaufort conversion)
What is different about gust direction that needs to be considered?
The gust direction is where it is coming from not where it is going to
how much rain has to fall to be considered ‘trace’ and what should this value be taken for in calculations?
trace < 0.05mm
should be considered as 0.025mm
What values do not appear in the overseas data tables?
‘tr’ and ‘n/a’
How many outcomes are there for cloud coverage?
9, (0 - 8 is 9 possibilities)
