7yr 09 #17 Weather Map Tools

Scientists and weather forecasters Scientists and weather forecasters use weather maps to help them see use weather maps to help them see weather patterns.weather patterns.

They place symbols on the maps to help They place symbols on the maps to help them see what is going on with the weather them see what is going on with the weather in various parts of the country.in various parts of the country.

They place symbols on the maps to help They place symbols on the maps to help them see what is going on with the weather them see what is going on with the weather in various parts of the country.in various parts of the country.

Weather Maps: Doppler Radar Weather Maps: Doppler Radar MapsMaps

Weather Maps: Pressure & Weather Maps: Pressure & TemperatureTemperature

A A Cold Front Cold Front symbol shows the edge symbol shows the edge of a mass of cool air.of a mass of cool air.

A A Warm Front Warm Front symbol shows the symbol shows the edge of a warmer air mass.edge of a warmer air mass.

AA Stationary Stationary FrontFront means neither the means neither the warm air or the cool air are moving warm air or the cool air are moving very much.very much.

How many fronts can you identify How many fronts can you identify on this map?on this map?

A large “H” means an area of higher A large “H” means an area of higher pressure.pressure.

Higher pressure usually means nice, Higher pressure usually means nice,

clear weather.clear weather.

Which state has high pressure?Which state has high pressure?

A large “L” means an area of lower A large “L” means an area of lower pressure.pressure.

Lower pressure usually means Lower pressure usually means clouds, rain, or snow.clouds, rain, or snow.

How many “Lows” are on this map?How many “Lows” are on this map?

What are they? What do What are they? What do they do?they do?

ThermometerThermometerWind VaneWind VaneAnemometerAnemometerBarometerBarometerRain GaugeRain Gauge

A thermometer is A thermometer is a weather tool used to a weather tool used to measure the measure the temperature.temperature.

By observing wind By observing wind vanes, we can vanes, we can know the direction know the direction of the wind. of the wind. Knowing the Knowing the direction of the direction of the wind is an wind is an important part in important part in predicting the predicting the weather.weather.

Wind speed is Wind speed is an important an important part of part of weather.weather.

An An anemometer is anemometer is a weather tool a weather tool that measures that measures wind speed.wind speed.

Barometers are Barometers are important to important to measuring air measuring air pressure. Air pressure. Air pressure can pressure can help you predict help you predict good or bad good or bad weather.weather.

A rain gauge is a A rain gauge is a weather tool used weather tool used to collect rain. to collect rain.

Using Using measurements on measurements on the side of the the side of the rain gauge, you rain gauge, you can see how can see how many inches it many inches it rained.rained.