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Primarily, the extent to which the air is forced to rise. When more air rises, more of it reaches its dewpoint, condensing and eventually forming precipitation (rain or snow). There are different ways to get this, but the most common is for there to be some vorticity (energy) in the form of what we call a shortwave that gets injected into the mid levels of the atmosphere. Additionally, anywhere where warm air is forced to rise over cold air, as it is ahead of a warm front, provides some weak lift. Finally, instability provided by relatively warm water (as can happen near the Atlantic Ocean or Great Lakes) provides lift, as does physically forcing it over a barrier such as a mountain range.
The next most important factor is to have a source of moisture in the low-mid levels of the atmosphere. The Atlantic Ocean and Gulf of Mexico are great sources of moisture.
What else can I help you with?
Why does precipitation tend to occur as rain or snow on mountaintops?
Precipitation tends to occur as rain or snow on mountaintops because as air rises up a mountain, it cools down. When the air cools, it can no longer hold as much moisture, causing the water vapor to condense and form clouds. This can lead to rain or snow depending on the temperature at higher elevations.
The same storm can produce both rain and snow?
This can happen when the temperature of the air is close to freezing. If colder air is closer to the ground, snow will form. If warmer air is present, the snow will melt into rain before reaching the ground. This can result in a mix of rain and snow falling from the same storm system.
What water controls water?
air rain and snow
What falls faster rain or snow from the sky?
Rain falls faster than snow from the sky because raindrops are larger and heavier than snowflakes, allowing them to fall at a quicker rate. Snowflakes are lighter and can be easily slowed down or carried by wind currents.
Which has the greatest effect on the formation of rain or snow?
The amount of water vapor in the air has the greatest effect on the formation of rain or snow. When the air is saturated with water vapor and condensation occurs, precipitation can form as rain or snow depending on temperature conditions.
What brings rain and snow to the pacific coast north America?
The Maritime Polar air mass brings rain and snow to the Pacific Northwest.
What is rain shadow?
Often, the rain or snow falls on only one side of the mountain, the windward side. The other side of the mountain, the leeward side, which receives much less rain or snow. is said to be ' rain shadow'
What bring rain and snow to the pacific coast of north America?
The Maritime Polar air mass brings rain and snow to the Pacific Northwest.
When rain or snow falls down what is it called?
Rain, snow, and ice are three forms of precipitation, liquid or ice formed by the condensation of water vapor from the air.
What does the spirit of the air control in Inuit myths?
Wind, Rain, Snow, and sea
When you see a drop in air pressure what kind of weather is coming?
snow or rain
How is the winter air described?
unbearingly cold frosty freezing icey air cold wind ect think of the weather :snow?rain?is the rain cold? is the snow icy? housestones? sorry if this didnt help :) x
