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Weather Fronts: Introduction, Lecture notes of Earth, Atmospheric, and Planetary Sciences

Warm Front. A Warm Front moves slower than a cold air mass. The warm raises steadily above the cooler air mass and causes gentle rain showers.

Typology: Lecture notes

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Weather Fronts: Introduction
Name______________
Instructions: Read through the Weather Front descriptions.
Then complete the “What Type” questions at bottom of page.
A Cold Front moves faster
than a warm air mass. The
warm humid air is pushed up
and results in a short period
of heavy rain and possibly
violent thunderstorms.
Cold Front
Warm Front
A Warm Front moves slower
than a cold air mass. The
warm raises steadily above
the cooler air mass and
causes gentle rain showers
for longer periods of time.
Occluded Front An Occluded Front is a
combination of two fronts that
form when a cold front catches
up and overtakes a warm
front. The result is a mix of rain
showers and thunderstorms.
What Type? Cold Front Warm Front Occluded Front Stationary Front
1- What type of front produces gentle rain showers? _______________
2- What type of front involves 3 different air masses? _________________
3- What type of front may have clear skies? _________________
4- What type of front creates violent thunderstorms? _________________
5- What type of front is stalled or still? _________________
6- What type of front has rain showers and thunderstorms? ____________
Stationary Front
A Stationary Front is the
boundary between two air
masses when neither is
moving. Clear skies to partly
cloudy skies may result, with
occasional light rain.
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Weather Fronts: Introduction

Name______________ Instructions: Read through the Weather Front descriptions. Then complete the “What Type” questions at bottom of page. A Cold Front moves faster than a warm air mass. The warm humid air is pushed up and results in a short period of heavy rain and possibly violent thunderstorms.

Cold Front

A Warm Front moves slower Warm Front than a cold air mass. The warm raises steadily above the cooler air mass and causes gentle rain showers for longer periods of time.

Occluded Front An^ Occluded Front^ is a combination of two fronts that form when a cold front catches up and overtakes a warm front. The result is a mix of rain showers and thunderstorms.

What Type? Cold Front Warm Front Occluded Front Stationary Front

1- What type of front produces gentle rain showers? _______________

2- What type of front involves 3 different air masses? _________________

3- What type of front may have clear skies? _________________

4- What type of front creates violent thunderstorms? _________________

5- What type of front is stalled or still? _________________

6- What type of front has rain showers and thunderstorms? ____________

A Stationary Front is the Stationary Front boundary between two air masses when neither is moving. Clear skies to partly cloudy skies may result, with occasional light rain.

Weather Fronts: Investigation

Name______________ Instructions: Use the word bank to fill in the blanks in the weather front paragraph.

Weather Fronts mark the __________between two air masses. The air masses can have large __________differences on either side of the front. When a weather front passes, there is often a ___________in wind __________as well as changes in temperature. Cold Fronts occur when a colder air mass __________a warmer air mass. This can create a short ________of heavy rain and strong____________. Warm Fronts move slower than cold air__________. A warm front will steadily rise _________the cooler air and create gentle rain showers. An Occluded Front is formed when a ________front catches and overtakes a warm front. A mix of rain and thunderstorms can occur as a result. A Stationary Front is the boundary between _______air masses that are not moving. Clear skies or partly ________skies may occur, with occasional light rain.

  • Word Bank - above change masses boundary two direction period cloudy thunderstorms cold overtakes temperature

Instructions: Color the Warm Air RED and the Cold Air BlUE. Then label the diagram with the correct weather front name.

Weather Fronts: Investigation

Instructions: Use the word bank to fill in the blanks in the weather front paragraph.

Weather Fronts mark the boundary between two air masses. The air masses

can have large temperature differences on either side of the front. When a

weather front passes, there is often a change in wind direction as well as changes in temperature. Cold Fronts occur when a colder air mass overtakes

a warmer air mass. This can create a short period of heavy rain and strong

thunderstorms Warm Fronts move slower than cold air masses A warm

front will steadily rise above the cooler air and create gentle rain showers.

An Occluded Front is formed when a cold front catches and overtakes a warm front. A mix of rain and thunderstorms can occur as a result. A Stationary Front is the boundary between two air masses that are not

moving. Clear skies or partly cloudy skies may occur, with occasional light rain.

  • Word Bank - above change masses boundary two direction period cloudy thunderstorms cold overtakes temperature

Instructions: Color the Warm Air RED and the Cold Air BlUE. Then label the diagram with the correct weather front name.

MASTER KEY

Stationary Front