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Which of the following are common characteristics of weather fronts?
Large difference in air temperature across the front.
Bending isobar
Abrupt shift in wind direction
Cloudiness and precipitation
Select the correct answer using the code given below.
- a)1 and 3 only
- b)2, 3, and 4 only
- c)1, 2 and 4 only
- d)1, 2, 3 and 4
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Which of the following are common characteristics of weather fronts? ...
- A front is that sloping boundary which separates two opposing air masses having contrasting characteristics in terms of air temperature, humidity, density, pressure, and wind direction. An extensive transitional zone between two converging air masses is called the frontal zone or frontal surface which represents a zone of discontinuity in the properties of opposing contrasting air masses. Frontal zone is neither parallel nor vertical to the ground surface, rather it is inclined at a low angle.
- Though fronts differ from each other in terms of their location, types, and the areal extent they are characterized by the following common characteristics e.g. large difference in air temperature across a front, bending isobars, the abrupt shift in wind direction, cloudiness and precipitation.
Hence, option (d) is the correct answer.
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Which of the following are common characteristics of weather fronts? ...
Common Characteristics of Weather Fronts
Weather fronts are boundaries between air masses with different characteristics, such as temperature, humidity, and density. They play a significant role in the formation of weather systems and can bring about changes in temperature, wind direction, cloudiness, and precipitation. The following are the common characteristics of weather fronts:
1. Large difference in air temperature across the front:
- Weather fronts are typically characterized by a significant contrast in air temperature on either side of the boundary.
- Cold fronts occur when a mass of cooler air displaces a warmer air mass, resulting in a sharp temperature drop behind the front.
- Warm fronts, on the other hand, develop when a warm air mass advances and replaces a colder air mass, leading to a gradual temperature increase ahead of the front.
2. Bending isobar:
- Isobars are lines on a weather map that connect areas of equal atmospheric pressure.
- When a weather front approaches, the isobars often bend or curve, indicating the presence of a front.
- The bending of isobars is caused by the convergence or divergence of air masses along the front.
3. Abrupt shift in wind direction:
- As a weather front passes through an area, the wind direction can change abruptly.
- With the passage of a cold front, the wind typically shifts from a southerly or southwesterly direction to a northwesterly or northerly direction.
- In the case of a warm front, the wind usually veers from an easterly or southeasterly direction to a southwesterly or westerly direction.
4. Cloudiness and precipitation:
- Weather fronts are often associated with cloud formation and precipitation.
- Along a cold front, cumulonimbus clouds are commonly observed, often bringing heavy rain, thunderstorms, and even severe weather.
- Warm fronts are usually accompanied by stratiform clouds, which can produce steady rainfall or drizzle over a broader area.
In conclusion, weather fronts exhibit several common characteristics, including a large difference in air temperature across the front, the bending of isobars, an abrupt shift in wind direction, and the presence of cloudiness and precipitation. Understanding these characteristics is crucial in analyzing and forecasting weather patterns.
Weather fronts are boundaries between air masses with different characteristics, such as temperature, humidity, and density. They play a significant role in the formation of weather systems and can bring about changes in temperature, wind direction, cloudiness, and precipitation. The following are the common characteristics of weather fronts:
1. Large difference in air temperature across the front:
- Weather fronts are typically characterized by a significant contrast in air temperature on either side of the boundary.
- Cold fronts occur when a mass of cooler air displaces a warmer air mass, resulting in a sharp temperature drop behind the front.
- Warm fronts, on the other hand, develop when a warm air mass advances and replaces a colder air mass, leading to a gradual temperature increase ahead of the front.
2. Bending isobar:
- Isobars are lines on a weather map that connect areas of equal atmospheric pressure.
- When a weather front approaches, the isobars often bend or curve, indicating the presence of a front.
- The bending of isobars is caused by the convergence or divergence of air masses along the front.
3. Abrupt shift in wind direction:
- As a weather front passes through an area, the wind direction can change abruptly.
- With the passage of a cold front, the wind typically shifts from a southerly or southwesterly direction to a northwesterly or northerly direction.
- In the case of a warm front, the wind usually veers from an easterly or southeasterly direction to a southwesterly or westerly direction.
4. Cloudiness and precipitation:
- Weather fronts are often associated with cloud formation and precipitation.
- Along a cold front, cumulonimbus clouds are commonly observed, often bringing heavy rain, thunderstorms, and even severe weather.
- Warm fronts are usually accompanied by stratiform clouds, which can produce steady rainfall or drizzle over a broader area.
In conclusion, weather fronts exhibit several common characteristics, including a large difference in air temperature across the front, the bending of isobars, an abrupt shift in wind direction, and the presence of cloudiness and precipitation. Understanding these characteristics is crucial in analyzing and forecasting weather patterns.
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