What letters designate an air mass from the gulf of mexico?

What characteristics does an mP air mass exhibit?


Term Air Mass Definition A body of air which exhibits fairly uniform temperature and moisture characteristics. E.g., Cold & Dry, Cold & Moist, Warm & Dry, Warm & Moist
Term mP and mT (Maritime Polar and Maritime Tropical) Definition In LA, what two Air Mass combinations tend to dominate our winters?

In what direction do lines of tornadoes most often move?

Most move from southwest to northeast , or west to east . Some tornadoes have changed direction amid path, or even backtracked. [A tornado can double back suddenly, for example, when its bottom is hit by outflow winds from a thunderstorm’s core.]

What will happen to the barometric pressure after the center of a mature wave cyclone passes?

What will happen to the barometric pressure after the center of a mature wave cyclone passes ? The barometric pressure will rise. Which air mass is the source of much of the moisture for precipitation in the central and eastern United States? When are tornadoes most frequent in the United States?

What type of cyclone occurs when cold fronts and warm fronts interact in the central United States?

Mid-latitude cyclones are the result of the dynamic interaction of warm tropical and cold polar air masses at the polar front . This interaction causes the warm air to be cyclonically lifted vertically into the atmosphere where it combines with colder upper atmosphere air.

What properties are basically the same throughout an air mass?

Properties of temperature , moisture (humidity), and lapse rate remain fairly homogeneous throughout the air mass. Horizontal changes of these properties are usually very gradual. Two primary factors are necessary to produce an air mass.

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Which of the following is considered to be a boundary between two different air masses?

The boundary between two air masses is called a front. Weather at a front is usually cloudy and stormy. There are four different fronts- Cold, Warm, Stationary, and Occluded. When a cold air mass meets a warm air mass , a cold front forms.

Which air mass is most likely to be associated with strong storms?

Very cold air to the north and very warm air to the south would result in widespread and heavy precipitation. Low clouds, fog, and drizzle are common , and thunderstorms may occur if the temperature of the warm air is 60°F or higher. These conditions are found all along the stationary front.

Can Tornadoes be stopped?

Recent research indicates that in order to form, a tornado needs both a cold, rainy downdraft and a warm updraft. To stop a tornado from forming, just heat this cold downdraft until it’s cold no longer. And how would one do this, you ask? Simple: Blast it with beams of microwaves from a fleet of satellites.

Why does a tornado sound like a train?

What does a tornado sound like ? The air rushing out when there is a local low pressure system (that is a tornado ) goes by, or a tornado goes over is considerable, even in the weak tornadoes . To a lot of people (inside), it sounds like “ like a train ” and it gets a frequency that has a rhythm.

What happens when air masses of different temperatures meet?

When air masses come together, warm air rises over cold air . The boundary between warm air and cold air is much steeper in a warm front than in a cold front. In a warm front, warm air pushes underneath cold air . a) The warm air mass pulls the cool air mass into its center.

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What does the lowercase letter W indicate about an air mass?

A lowercase letter describes the relationship between the air mass and the earth: k signifies that the air mass is colder than the ground below it, while w describes an air mass that is warmer than the ground below it.

Which air masses have the greatest influence on weather conditions in the central United States?

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When an area is experiencing several consecutive days of rather constant weather , it is probably ___________. air -mass weather
An mP air mass is ___________. cold and humid
The air masses that have the greatest influence on weather conditions in the Midwestern United States are: cP and mT

Which type of front advances the most rapidly?

Cold fronts

What is the difference between an air mass and a front?

An air mass is a body of air with a relatively constant temperature and moisture content over a significant altitude. Air masses typically cover hundreds, thousands, or millions of square kilometers. A front is the boundary at which two air masses of different temperature and moisture content meet.

What happens to the warm MT air in an occluded front?

At an occluded front , the cold air mass from the cold front meets the cool air that was ahead of the warm front . The warm air rises as these air masses come together. Occluded fronts usually form around areas of low atmospheric pressure. Mexico