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Lesson 4
You’re driving home when a sudden thunderstorm strikes and visibility is drastically reduced. Situations like this can occur without warning.
Weather Emergencies and Natural Disasters
Careful planning and preparation can help you survive weather emergencies and natural disasters.
Lesson 4 Lesson Objectives
Analyze strategies for preventing accidental injuries during severe weather and natural disasters.
Explain how technology has impacted the health status of communities by increasing the survival rate during a severe weather event.
Demonstrate the ability to communicate safety procedures that should be followed during a severe weather event or natural disaster.
In this lesson, you’ll learn to:
Lesson 4 Severe Weather
Watching Out for Severe Weather
When severe weather threatens, the National Weather Service (NWS) uses the media to issue watches and warnings.
A watch means that the weather conditions are right for a specific weather event to occur.
A warning means that severe weather has been sighted and is heading toward your area.
Lesson 4 Severe Weather
Emergency Survival Preparation
Discuss with your family where to go during an emergency, where to meet if family members get separated, and whom to contact if help is needed.
Prepare an emergency survival kit with supplies such as:
Water and food
Phone, radio, lighting, and blankets
Medications and money
Lesson 4 Severe Weather
Types of Severe Weather
Hurricanes
Floods
Severe Thunderstorms
Tornadoes
Winter Storms
Lesson 4 Severe Weather
Hurricanes
If a hurricane watch is issued:
Secure your property.
Bring in items from outside that may blow away in strong winds.
Board up windows and doors.
Tape any glass you are unable to cover.
If a hurricane warning is issued, seek shelter. Evacuate if the NWS instructs you to do so.
Lesson 4 Severe Weather
Floods
If a flood is likely to occur:
Listen to radio bulletins while you watch for rising water, and be prepared to evacuate.
Before leaving, turn off the utilities in your home.
Never walk, swim, ride a bike, or drive a car through flood waters. Both drowning and electrocution are risks in flooded areas.
Drink only bottled water because floods can pollute the water supply.
Lesson 4 Severe Weather
Flash Floods
If you are in an area that is under a flash flood warning:
Leave low-lying areas immediately.
Do not attempt to drive through floodwaters or to cross police barricades.
Stay away from streams, creeks, storm drains, and irrigation ditches, all of which become treacherous during flash floods.
Lesson 4 Severe Weather
Severe Thunderstorms
When a thunderstorm is approaching:
If you are on the water, go to shore.
If you are outdoors, get inside or take shelter to avoid being struck by lightning.
Stay away from tall structures and trees because lightning is attracted to tall objects.
Do not use computers, telephones, or televisions during a severe thunderstorm.
Lesson 4 Severe Weather
Tornadoes
If you are outside or in a car when a tornado approaches:
Seek shelter inside a sturdy building or lie down in a ditch or low-lying area.
Protect your head with your hands.
If you are indoors, stay away from the windows.
A storm cellar, basement, or crawl space is the safest place to be.
As a last resort, get under a piece of heavy furniture and hold onto it.
Lesson 4 Severe Weather
Winter Storms
A severe winter storm called a blizzard is common in the northern areas of the United States.
To protect yourself during blizzards and other winter storms:
Stay inside.
Wear protective clothing.
Avoid getting lost.
Lesson 4 Earthquakes
Safeguarding Against Earthquakes
Earthquakes are most common west of the Rocky Mountains.
In the event of an earthquake:
If you are inside a building, stand or crouch in a strongly supported doorway, brace yourself in an inside corner of the building, or get under a piece of sturdy furniture.
If you are outdoors, stay away from buildings, trees, and power lines.
Use caution after the tremors have stopped, and be prepared for aftershocks.
Lesson 4
Choose the appropriate option.
1. Severe weather
2. Tornados
3. Blizzards
4. Earthquakes
Q. _____________ refers to
harsh or dangerous weather conditions.
Quick Review
Lesson 4 Quick Review - Answer
A. Severe weather refers to harsh or dangerous weather
conditions.
Click Next to attempt another question.
Lesson 4 Quick Review
Provide a short answer to the question given below.
Q. What is an emergency survival kit?
Click Next to view the answer.
Lesson 4 Quick Review - Answer
A. An emergency survival kit is a group of items that can be
used for a short time until an emergency situation has stabilized.
Click Next to attempt another question.
Lesson 4 Quick Review
Provide a short answer to the question given below.
Click Next to view the answer.
Q. How does a hurricane differ from a tornado?
Lesson 4 Quick Review - Answer
A. A hurricane is a powerful storm that originates at sea,
characterized by winds of at least 74 miles per hour, heavy rains, flooding, and sometimes tornadoes.
A tornado is a whirling, funnel-shaped windstorm that drops from the sky to the ground and produces a narrow path of destruction on land.
Click Next to attempt another question.
Lesson 4
Provide a suitable analysis.
Imagine that a tornado is approaching your home. What strategies can help prevent accidental injuries during this severe weather event?
Quick Review
Lesson 4 Severe Weather
Watching Out for Severe Weather
When severe weather threatens, the National Weather Service (NWS) uses the media to issue watches and warnings.
A watch means that the weather conditions are right for a specific weather event to occur.
A warning means that severe weather has been sighted and is heading toward your area.
Severe weather refers to harsh or dangerous weather conditions.
Severe weather refers to harsh or dangerous weather conditions.
Lesson 4
Discuss with your family where to go during an emergency, where to meet if family members get separated, and whom to contact if help is needed.
Prepare an emergency survival kit with supplies such as:
Water and food
Phone, radio, lighting, and blankets
Medications and money
Severe Weather
Emergency Survival Preparation
An emergency survival kit is a group of items that can be used for a short time until an emergency situation has stabilized.
An emergency survival kit is a group of items that can be used for a short time until an emergency situation has stabilized.
Lesson 4
If a hurricane watch is issued:
Secure your property.
Bring in items from outside that may blow away in strong winds.
Board up windows and doors.
Tape any glass you are unable to cover.
If a hurricane warning is issued, seek shelter. Evacuate if the NWS instructs you to do so.
Severe Weather
Hurricanes
A hurricane is a powerful storm that originates at sea, characterized by winds of at least 74 miles per hour, heavy rains, flooding, and sometimes tornadoes.
A hurricane is a powerful storm that originates at sea, characterized by winds of at least 74 miles per hour, heavy rains, flooding, and sometimes tornadoes.
Lesson 4
If you are in an area that is under a flash flood warning:
Leave low-lying areas immediately.
Do not attempt to drive through floodwaters or to cross police barricades.
Stay away from streams, creeks, storm drains, and irrigation ditches, all of which become treacherous during flash floods.
Severe Weather
Flash Floods
A flash flood is a flood with great volume and of short duration that is usually caused by heavy rainfall.
A flash flood is a flood with great volume and of short duration that is usually caused by heavy rainfall.
Lesson 4
If you are outside or in a car when a tornado approaches:
Seek shelter inside a sturdy building or lie down in a ditch or low-lying area.
Protect your head with your hands.
If you are indoors, stay away from the windows.
A storm cellar, basement, or crawl space is the safest place to be.
As a last resort, get under a piece of heavy furniture and hold onto it.
Severe Weather
Tornadoes
A tornado is a whirling, funnel-shaped windstorm that drops from the sky to the ground and produces a narrow path of destruction on land.
A tornado is a whirling, funnel-shaped windstorm that drops from the sky to the ground and produces a narrow path of destruction on land.
Lesson 4
A severe winter storm called a blizzard is common in the northern areas of the United States.
To protect yourself during blizzards and other winter storms:
Stay inside.
Wear protective clothing.
Avoid getting lost.
Severe Weather
Winter Storms
A blizzard is a snowstorm with winds of at least 35 miles per hour.
A blizzard is a snowstorm with winds of at least 35 miles per hour.
Lesson 4
Earthquakes are most common west of the Rocky Mountains.
In the event of an earthquake:
If you are inside a building, stand or crouch in a strongly supported doorway, brace yourself in an inside corner of the building, or get under a piece of sturdy furniture.
If you are outdoors, stay away from buildings, trees, and power lines.
Use caution after the tremors have stopped, and be prepared for aftershocks.
Earthquakes
Safeguarding Against Earthquakes
An earthquake is a violent shaking movement of the earth’s surface.
An earthquake is a violent shaking movement of the earth’s surface.
Lesson 4 Quick Review - Answer
A. Correct! Severe weather refers to harsh or dangerous
weather conditions.
Click Next to attempt another question.
Lesson 4 Quick Review - Answer
You have answered the question incorrectly. Go back to try again, or click Next to view the correct answer.
