What happens to the temperature, wind direction and atmospheric pressure when a cold front passes through?

Answer 1

The temperature drops, wind direction veers (changes direction in a clockwise manner, usually to northwesterly) and the atmospheric pressure rises.

Answer 2

Cold fronts are associated with the leading edge of low pressure areas. They are typically indicated by rapid drops in the atm pressure, not rises as some of your answerers have indicated. That's why we say a falling barometer is a portent of bad weather. After the cold front passes, the atm pressure will begin to rise because a high pressure area typically follows a low pressure area.

Winds generally follow a CCW path around a low pressure area, and that includes the winds in the cold front, which is on the leading edge of that low pressure area. When the cold front passes by an area, the wind direction shifts because the backside, rather than the leading edge, of that low pressure area comes over the area. So, depending on where you are in the low pressure area, you may see the winds shift from south easterly, for example, to north westerly over time as the cold front passes by. Remember, wind directions are given by the direction FROM which they are coming. [See source 1.]

As to temperature, it is called a "cold" front for a reason. But don't be deceived, the temperature could very well rise after the passage of a cold front. That's because cold and warm (as in warm front) are relative terms. So a cold front could very well bring temperatures higher than the previous warm front, but colder than the following warm front. However, in general, but not always, the temperature will drop after a cold front passage.

Answer 3

As fronts bypass winds in lots of situations veer and gustiness could be linked. a mild drop in temperature is likewise a demonstration of a chilly front regardless of the undeniable fact that it may now and lower back be rapid. As a chilly front techniques there will be a shrink in stress.

Answer 4

temperature drops,wind direction becomes more northerly and atmospheric pressure generally rises.