What is a good sentence for air mass?
North of the front, a colder Arctic air mass arrived with wintry showers. The coming week has a chilly outlook as we will be influenced at times by a much colder air mass to the east of us.
How can I use cold front in a sentence?
Examples of ‘cold front’ in a sentence cold front
- The bad weather was expected to head south tomorrow along with a cold front that will bring freezing temperatures back to parts of the UK.
- It brings with it both a warm and cold front.
- Further north and west a cold front will bring rain and some hill snow.
What word is used to describe a cold air mass?
Colder air masses are termed polar or arctic, while warmer air masses are deemed tropical. Continental and superior air masses are dry while maritime and monsoon air masses are moist.
What are air masses kid definition?
An air mass is a large body of air with roughly the same temperature and humidity. Air masses take on the characteristics of the regions they form in. The interaction of air masses can cause major changes in weather.
How do you use air in a sentence?
Verb The blankets were left outside to air. She opened the windows to air the room. The company had a meeting so that employees could air their complaints. The interview will be aired tomorrow.
What is the difference between a warm air and a cold air?
Cold air is more dense than warm air causing what is called high pressure. Warm air which is lighter cause low pressure. In the area of higher pressure the air molecules are closer together than they are in an area of lower pressure. Air that is warmed exerts less pressure on the ground creating a low pressure region.
What type of weather is a cold front?
As the cold front passes, winds become gusty. There is a sudden drop in temperature, and also heavy rain, sometimes with hail, thunder, and lightning. Atmospheric pressure changes from falling to rising at the front.
How do you use warm front in a sentence?
Examples of warm front in a Sentence An approaching warm front often means that rain is coming.
How do you describe cold air in writing?
Describe the snowy, icy, frozen world around your characters. Don’t simply tell us how your character feels in the cold. If you want readers to shiver along with them, tell us how “the wind is whipping through the trees, creaking and groaning like an old rocking chair”.
How can you describe cold air?
Cold; chilly. ARCTIC [ahrk-tik] –adjective. Extremely cold, frigid. BITING [bahy-ting] –adjective.
What is cold air mass and warm air mass?
Polar air masses take shape in high-latitude regions and are cold. Equatorial air masses develop near the Equator, and are warm. Air masses are also identified based on whether they form over land or over water. Maritime air masses form over water and are humid. Continental air masses form over land and are dry.
Which air mass is coldest?
continental-Arctic
continental-Arctic (cA): Winter’s most frigid air masses. cA air masses are the coldest of the cold and the driest of the dry.
What type of air mass is cold and dry?
Continental air masses form over land and are dry. Therefore, an air mass that develops over northern Canada is called a continental polar air mass and is cold and dry. One that forms over the Indian Ocean is called a maritime tropical air mass and is warm and humid.
Is cold air heavy?
What is heavier, cold air or hot air? Cold air is always heavier than an equal volume of hot air. “Air” is actually a mixture of several gases. By volume, dry air contains 78.09 percent nitrogen, 20.95 percent oxygen, 0.93 percent argon, 0.039 percent carbon dioxide and small amounts of other gases.
Where does cold air come from?
Air plunging from Polar (Arctic) origins When a north to northwest flow of cold air results in below-average temperatures over large tracts of land, a polar air mass is most often the culprit. Occasionally, this air mass can produce record low temperatures and may be tied to a displacement of the Polar Vortex.
What are the characteristics of a cold air mass?
If the surface over which an air mass is located is warmer than the air mass,the lower layers will be heated.
Which air masses would have cold, dry air?
cA air masses are the coldest of the cold and the driest of the dry. Cold and dry cA air masses originate over the frozen hinterlands of Siberia and northern Canada, and to see just how cold and dry they can be in the winter, check out the 18Z surface analysis for December 3, 2002.
What weather does a cold air mass bring?
When these air masses with different moisture and temperature characteristics meet they can create different types of weather. Cold air shovels warm air upward increasing the instability which can lead to storms. Dry air shovels moist air upwards leading to increased instability as well.
What would a dry, cold air mass be called?
Whereas mass from over cold, dry land are driest. Cold and dry air masses that originate over landmass are called continental polar mass. Cold and moist air masses that originate over water are called maritime polar mass. Warm and dry air mass originating over land mass