Weather observation systems
It is used to measure air temperature.
What is a thermometer?
The leading edge of an advancing cold air mass, is represented by a blue line with triangles.
What is a cold front?
A forecast that predicts how weather conditions will change over a period of up to 48 hours
What is a short range forecast?
The pattern of weather conditions in a region over a long period of time
What is climate?
The process of predicting future weather based on ongoing observations of atmospheric conditions
What is weather forecasting?
It is used to measure rainfall.
What is a rain gauge?
The retreating edge of a cold air mass as a warm air mass approaches, is represented by a red line with half circles.
What is a warm front?
A forecast that predicts how weather conditions will change over a period of 3-7 days
What is a long range forecast?
Earth's temperature has been ______ much faster than it has in the past
What is increasing?
The amount of water vapour in the air compared to the maximum amount of water vapour in the air at that temperature
What is used to measure relative humidity?
What is a hygrometer?
The boundary between two air masses that are not moving, represented by lines with both red half circles and blue triangles.
What is a stationary front?
It is forecasted to be a clear sunny day, that means there is ____ pressure approaching
What is high?
Dust and ash in an ice core represents events such as forest fires and ____.
What is volcanic eruptions?
Technology that collects weather data from a distance without actually being in physical contact with the object being observed
What is remote sensing technology?
Is used to measure wind direction
What is a wind vane?
The boundary formed when a fast-moving cold front overtakes a slow-moving warm front, is represented by a purple line with both half circles and triangles.
What is an occluded front?
The weather is forecasted for strong winds, the isobars on a weather map are ___.
What is close together?
In a tree ring, a ___ colour ring represents rapid spring growth
What is a light-coloured ring?
A process in which human-produced greenhouse gases in Earth's atmosphere absorb heat energy from the Sun and Earth's surface
What is anthropogenic greenhouse effect?
What is a weather radar?
Lines showing the locations of the same atmospheric pressure
What are isobars?
This weather model has less accuracy but forecasts into the long term
What is low resolution models?
Warmer oceans is causing the ____ of ocean currents
What is slowing?
An instrument designed to "catch" the wind in its open cups, the wind rotates the cups and this rotation is translated to wind speed measurement.
What is an anemometer?