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Questions and Answers
What is NOT included in an emergency kit?
What is NOT included in an emergency kit?
Signal No. 3 indicates that strong winds may be expected in most areas of a region.
Signal No. 3 indicates that strong winds may be expected in most areas of a region.
True
What should you avoid during a typhoon?
What should you avoid during a typhoon?
Flooded areas
The ______ Rainfall Warning indicates heavy to intense rainfall, which may cause severe flooding and landslides.
The ______ Rainfall Warning indicates heavy to intense rainfall, which may cause severe flooding and landslides.
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Match the Storm Warning Signals with their descriptions:
Match the Storm Warning Signals with their descriptions:
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What is classified as a tropical cyclone with sustained winds of 118 km/h or higher?
What is classified as a tropical cyclone with sustained winds of 118 km/h or higher?
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Typhoons can only form over cold ocean waters.
Typhoons can only form over cold ocean waters.
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What is the calm center of a typhoon called?
What is the calm center of a typhoon called?
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A typhoon becomes more defined as it intensifies, particularly in its ______.
A typhoon becomes more defined as it intensifies, particularly in its ______.
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Match the parts of a typhoon to their descriptions:
Match the parts of a typhoon to their descriptions:
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Which of the following is NOT a primary hazard associated with typhoons?
Which of the following is NOT a primary hazard associated with typhoons?
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The Philippines experience typhoons due to its location in the typhoon belt.
The Philippines experience typhoons due to its location in the typhoon belt.
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What role does warm ocean water play in the formation of a typhoon?
What role does warm ocean water play in the formation of a typhoon?
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Study Notes
Typhoons
- A typhoon is a large rotating storm system with a low-pressure center, strong winds, and heavy rainfall.
- It's a type of tropical cyclone forming over warm ocean waters.
Types of Tropical Cyclones
- Classified by intensity:
- Tropical Depression: Maximum sustained winds up to 61 km/h (38 mph).
- Tropical Storm: Maximum sustained winds 62-88 km/h (39-54 mph).
- Typhoon: Maximum sustained winds 118 km/h (73 mph) or higher.
- Super Typhoon: Extremely powerful with maximum sustained winds of 241 km/h (150 mph) or higher.
Parts of a Typhoon
- Eye: The calm center of the storm.
- Eyewall: A ring of intense thunderstorms surrounding the eye.
- Spiral Bands: Bands of thunderstorms spiraling outward from the eyewall.
How Typhoons Form
- Warm Ocean Waters: Warm ocean waters provide energy for typhoon formation.
- Low-Pressure Area: A low-pressure area develops over warm ocean waters.
- Rising Air: Warm, moist air rises creating low pressure.
- Condensation and Cloud Formation: Rising air cools, condenses, and forms clouds.
- Rotating Winds: The Coriolis effect causes rising air to rotate, creating a spinning storm.
- Intensification: As the storm intensifies, winds strengthen and the eye becomes defined.
The Philippines and Typhoons
- The Philippines is highly prone to typhoons due to its location within the typhoon belt.
- Warm ocean currents and atmospheric conditions favor typhoon formation in this region.
Typhoon Hazards
- Strong Winds: High-speed winds damage buildings, uproot trees, and cause power outages.
- Heavy Rainfall: Intense rainfall causes flooding, landslides, and mudslides.
- Storm Surge: Strong winds and low atmospheric pressure cause a rise in sea level, flooding coastal areas.
- Tornadoes: Tornadoes can form within the outer bands of a typhoon.
Typhoon Preparedness and Response
- Create an Emergency Kit: Assemble essential supplies.
- Develop an Evacuation Plan: Identify safe routes and shelters.
- Stay Informed: Monitor weather forecasts and warnings.
- Follow Safety Guidelines: Stay in during a typhoon, avoid flooded areas, and watch for falling debris.
- Participate in Community Preparedness Activities: Join community drills.
Storm Warning Signals
- PAGASA (Philippine Atmospheric, Geophysical and Astronomical Services Administration) issues storm warning signals to alert the public.
- Signal No. 1: Strong winds expected in coastal areas.
- Signal No. 2: Stronger winds expected in coastal areas.
- Signal No. 3: Strong winds expected in most areas of a region.
- Signal No. 4: Very strong winds expected in most areas of a region.
- Signal No. 5: Violent winds expected in most areas of a region.
Rain Warning Signals
- PAGASA issues rain warning signals to alert the public.
- Yellow Rainfall Warning: Light to moderate rain, flooding possible in low-lying areas.
- Orange Rainfall Warning: Moderate to heavy rain, flooding and landslides possible.
- Red Rainfall Warning: Heavy to intense rainfall, severe flooding and landslides possible.
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Description
This quiz explores the fascinating world of typhoons, including their definitions, classification, and structure. Learn about the different types of tropical cyclones and how typhoons form, with a focus on the atmospheric conditions required for their development.
