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Depends on which lines you're talking about. If you're talking about circles that cover the map (often in black or gray) then those are isobars which are lines of equal pressure (ie. the barometer reads the same everywhere along a line)....If you're talking about a blue line with triangles, that means a cold front with cooler/drier air behind it. A red line with round barbs means a warm front with warmer air behind it. There are many others, but these are the most common seen on television weather forecasts.

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7y ago
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5mo ago

Brown dotted lines on a weather map typically represent areas of equal pressure, known as isobars. These lines help meteorologists identify pressure systems such as high pressure and low pressure areas, which can influence weather patterns. The spacing between the lines can indicate the strength of the pressure gradient and the likelihood of strong winds.

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10y ago

Lines on a weather map show wind direction and speed and temperature gradients. These are important pieces of information for weather prediction.

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12y ago

What do the black dotted liness means damaing winds heaving rains floods tornados hall storm severe weather threats

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10y ago

The troughs on a given weather maps are usually represented by the dotted lines.

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12y ago

A trough of low pressure.

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12y ago

they are isobars and they measure wind!

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Q: What do the brown dotted lines on a weather map mean?
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How can you use isobars to show us the direction of the wind?

Isobars are lines connecting points of equal pressure on a weather map. The spacing and distribution of isobars indicate the strength of the pressure gradient, which in turn influences wind direction. On a weather map, winds flow parallel to isobars, from high pressure to low pressure. The direction of the wind can be deduced by looking at the placement of isobars, with wind flowing perpendicular to the lines and from higher to lower pressure.


What is the meaning of weather blind?

"Weather blind" typically refers to when someone is unaware or indifferent to changes in weather conditions. It can also mean being unprepared for weather-related situations due to lack of attention or awareness to forecasts.


What does weather variable mean?

A weather variable is a factor that describes the state of the atmosphere at a specific location and time. Examples of weather variables include temperature, humidity, wind speed, and precipitation. These variables help meteorologists understand and predict weather patterns.


Does the barometric pressure seldom change?

Barometric pressure typically changes frequently due to weather patterns, such as high and low-pressure systems moving through an area. These fluctuations can impact the weather conditions experienced in a specific location.


What does wary of the weather mean?

"Wary of the weather" means being cautious or concerned about potential weather-related risks or dangers, such as storms, snowfall, or extreme temperatures. It implies being prepared and alert to the potential impacts that changing weather conditions could have.

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What does the dotted line mean in the map represent?

It ususally represents a comment.