Weather Flashcards
What is weather
Weather is the day to day conditions of the atmosphere
Climate
Is the average weather over about 35 years
How to measure precipitation
Read the level of water in the rain gauge at the same time each day.
Temperature
Max/min thermometer
Two sides hot and cold
Records highest temperature during the day
Wind speed
An anemometer usually has small cups
Knots
Wind direction
Wind vane
Arrow points to where it’s coming from
Cloud cover
Oktas
Air pressure
Barometer
Millibars
Land based weather stations
Every three hours they record the elements of the weather.
Ships
Digital weather stations and record and transmit data
Satellites
Record data such as cloud pictures and wind speed
Geostationary- one place
Polar satellites- round the earth 14 times a day
Weather balloons
Sent up into the atmosphere to measure temperature, pressure, wind speed.
They transmit results to a computer
Weather buoys
Drifting in sea and use digital instrument to record the weather and transmit results to a computer