Science; Chapter 2 (Understanding Typhoons) Flashcards

1
Q

What does PAGASA mean?

A

Philippine Atmospheric, Geophysical and Astronomical Services Adiministration

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2
Q

Being in the tropics, the Philppines is visited by _______ almost every year

A

Typhoons

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3
Q

These are also referred to as tropical cyclones

A

Typhoons

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4
Q

These are the classifications of typhoons

A

Tropical depression, tropical storm, and typhoons based on wind speed

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5
Q

This is a system of thunderstorms moving in a circular direction. As the winds strengthen or weaken, the category is upgraded or downgraded accordingly

A

Tropical cylcone

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6
Q

These are the three Rainfall warning COLORS

A

Yellow, orange, red

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7
Q

Theese are the Rainfall warning ICONS

A

Advisory, alert, and emergency

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8
Q

This Rainfall warning is for community awareness

A

Yellow (Advisory)

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9
Q

This Rainfall warning is for possible flooding in low-lying areas and near river channels

A

Yellow (Advisory)

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10
Q

This Rainfall warning is for community preparedness

A

Orange (Alert)

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11
Q

This Rainfall warning is for the threat of flooding in low-lying areas and nearriver channels

A

Orange (Alert)

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12
Q

This Rainfall warning is for community response

A

Red (Emergency)

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13
Q

This Rainfall warning is to expect severe floding, and to take necessary precautionary measures

A

Red (Emergency)

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14
Q

What are the effects of Tropical Cyclones

A

Strong winds (Squalls), Tornadoes, Rainfall and Flooding, and Storm Surge

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15
Q

It is also known as strong winds

A

Squalls

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16
Q

It is where the surface wind increases in magnitude and is maintained over a time interval of several minutes to half an hour

A

Strong winds (Squalls)

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17
Q

It is the increase in wind speed that may occur abroptly or slowly

A

Strong winds (Squalls)

18
Q

These wind changes near land falls can lead to loss of lives and large damage proprties

A

Strong winds (Squalls)

19
Q

These are produced by a tropical cyclone characterized by a violent and destructive whirling wind accompanied by a funnel shaped cloud

20
Q

A weak _______ has a windspeed of about 64-116 kph

21
Q

It is associated with tropical cyclones and is both beneficial and harmful

A

Rainfall and Flooding

22
Q

It can contribute to the water needs of the areas traversed by the tropical cyclone

23
Q

It is harmful to the environment when the amount is way too large as to cause flooding

24
Q

It is the abnormal rise of water due to tropical cyclones

A

Storm Surge

25
It is an oceanic event associated with typhoons
Storm Surge
26
These are devastating occurrences that happen along coasts with low-lying terrain
Storm Surge
27
What are the three reasons why the Philippines is Prone to Typhoons?
Geographic location, Philippine Area of Responsibility (PAR), and Number of Typhoons
28
Where is the Philippines located?
In the Pacific Typhoon Belt, near the equator with warm ocean waters
29
What is the acronym of PAR?
Philippine Area of Responsibility
30
What does PAR mean?
It is the region where the Philippines tracks and monitors typhoons
31
Around __ typhoons enter PAR annually
20
32
How many landfalls do typhoons make annually?
5-7
33
What are the two things that can affect Typhoon formation
Landforms and Bodies of Water
34
These can affect wind directions, and therefore disrupt the spin of a typhoon
Landforms
35
These are the main factors in the formation of a typhoon
Warm bodies of water
36
Why is the air in bodies of water warm?
Due to the evaporation of the water
37
How does bodies of water increase wind speed of a typhoon?
Warm air builds up
38
Where do typhoons get their energy from?
Warm ocean water
39
Where do typhoons lose their energy?
Over cold water
40
When did Typhoon Yolanda hit the Philippines?
2013 (November 8, 2013), in a counter clockwise direction