1.5 The large data set Flashcards
What is the large data set?
» In edexcel it is based of the MET office
What are the names of five UK weather stations?
» Leuchars
» Leeming
» Heathrow
» Hurn
» Camborne
What is the order from North to the south of the weather station?
» Leuchars
» Leeming
» Heathrow
» Hurn
» Camborne
Which 3 stations are located near the coast?
» Leuchars
» Hurn
» Camborne
Which 2 stations are inland?
» Heathrow
» Leeming
Where is Jacksonville?
» Northern American, in the lower southern part near the coast
Where is Beijing?
» In Asia, mainly inland
Where is Perth?
» Southern Australia
Which stations are in the Northern hemisphere?
» Jacksonville and Beijing
Which stations are in the Southern Hemisphere?
» Perth
What is the Daily mean temperature?
» This is the average of the hourly temperature readings during a 24-hour period
» Measured in degrees
What is the Daily total rainfall?
» Including solid precipitation such as snow and hail
What is tr/trace?
» Amounts less than 0.05 mm
What is the Daily total sunshine recorded to?
» The nearest tenth of an hour
What is the daily mean winder direction and windspeed measured in, and what is it?
» Measured in knots averaged over 24 hours from midnight to midnight
What does the Beaufort scale show?
» The mean windspeed which is categorised in the scale
What does a 0 on the Beaufort scale represent?
» Calm - Less than 1 knot
What does 1 - 3 represent on the Beaufort scale?
» Light - 1 to 10 knots
What does 4 represent on the Beaufort scale represent?
» Moderate - 11 to 16 knots
What does 5 represent on the Beaufort scale?
» Fresh - 17 to 21 knots
What is 1knot equal to ?
» 1.15 mph
What is the Daily maximum gust?
» Measured in knots, this is the highest instantaneous windspeed recorded, the direction from which the wind is blowing is also recorded
What is the only data recorded for the overseas locations?
» Daily mean temperature
» Daily total rainfall
» Daily mean pressure
» Daily mean windspeed
What is the daily maximum relative humidity?
» Given as a percentage of air saturation with water vapor
» Relative humidities above 95% give rise to misty and foggy conditions
What is the daily mean cloud cover measured in?
» Oktas
» Eighths of the sky covered by cloud
What is the daily mean visibility measured in?
» Decametres
» Greatest horizontal distance at which an object can be seen in daylight
What is daily mean pressure measured in?
» Hectopascal
what is 1 hectopascals equal to?
» 100 pascals