TROPICAL CYCLONES AND OTHER WEATHER-RELATED HAZARDS Flashcards

1
Q

A synoptic-scale cyclones develop over tropical and sub-tropical waters at any level with organized circulation.

A

Tropical Cyclone

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2
Q

North Atlantic, Eastern North Pacific, South Pacific: Termed

A

hurricanes.

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3
Q

Bay of Bengal, Arabian Sea, Western South Indian Ocean: Known as

A

cyclonic

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4
Q

Eastern Southern Indian Ocean: Referred to as

A

“willy-willy.”

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5
Q

Western North Pacific Ocean: Named

A

“typhoons.”

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6
Q

Form over oceans world wide except in

A

South Atlantic Ocean and southeastern Pacific.

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7
Q

Spiral ________at the bottom level and spiral ________ at the top level.

A

inflow
outflow

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8
Q

tropical cyclone Form over oceans with sea surface temperature of _____

A

> 26°C.

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9
Q

Heat exchange mechanism of typhoon:

A

air conviction

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10
Q

Typically develop at latitudes greater than_____ from the equator.

A

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11
Q

tropical cyclone Reach maximum in tensity over

A

warm tropical waters.

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12
Q

Storms begin to weaken when

A

it moving inland

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13
Q

Tropical cyclone formation Forms over oceans worldwide except in the S

A

South Atlantic Ocean and southeastern Pacific.

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14
Q

along 0 degree, latitude cannot develop ___________

A

a tropical cyclone

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15
Q

area were tropical cyclone Reach maximum intensity over ____________

A

warm tropical waters.

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16
Q

an average number tropical cyclone visit in the ph yearly

A

20

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17
Q

Importance of knowledge about typhoon is to _____________

A

prepare and mitigate

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18
Q

a person study about typhoon

A

meteorologist

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19
Q

Origin of Tropical Cyclones

A

Cold air mass and tropical thunderstorms creates instability called tropical wave

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20
Q

Cold air mass and tropical thunderstorms create instability called

A

tropical wave

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21
Q

it has significant moisture

A

humid air

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22
Q

thunder cloud or umbrella shape cloud

A

cumulonimbus

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23
Q

the energy was absorbed by warm water and during condensation it is released

A

latent heat

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24
Q

lowest pressure is located at

A

eye

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25
Q

When cyclonic circulation forms around the central low pressure area, and winds reach ___________(39 mi/hr), it becomes a tropical storm with a name.

A

62 km/hr

26
Q

At wind speeds of __________ (74 mi/hr), it becomes a hurricane.

A

119 km/hr

27
Q

Note that not all tropical waves, disturbances, or storms necessarily evolve into hurricanes.*

A
28
Q

Warm ocean waters (of at least ______) throughout about the upper 50 m of the tropical ocean must be present:

A

26.5°C

29
Q

The mid-troposphere (_______ altitude), must contain enough moisture to sustain the thunderstorms:

A

5 km

30
Q

makikita ang weather related phenomena sa

A

troposphere

31
Q

diha sad makita ang airplane

A

troposphere

32
Q

can effect the rotation of storm

A

Coriolis force

33
Q

In the Northern Hemisphere, it causes storms to turn to the

A

right.

34
Q

In the Southern Hemisphere, it causes storms to turn to the

A

left.

35
Q

Coriolis at equator is ___

A

0

36
Q

Tropical cyclone distribution by region:

Atlantic Ocean: Approximately ____ of all tropical cyclones.

“Cape Verde” hurricanes often form near the coast of _______

Eastern Pacific Ocean: ____ of all tropical cyclones.

Western Pacific Ocean: ____of all tropical cyclones.

Indian Ocean (north and south of the equator): ___ of all tropical cyclones.

Southern Pacific Ocean: ___ of all tropical cyclones.

A

12%
Africa.
15%
30%
24%
12%

37
Q

highest velocity is on the __________

A

eyewall

38
Q

The largest recorded tropical cyclone.

A

Typhoon Tip,
extending 1100 km
northwest pacific

39
Q

smallest recorded, Cyclone

A

Tracy
50 km
Darwin, Australia, in 1974.

40
Q

Tropical Depression (TD)

A

61 km/h OR LESS

41
Q

Tropical Storm (TS)

A

62-88 km/h

42
Q

Severe Tropical Storm (STS)

A

89-117 km/h

43
Q

Typhoon (TY)

A

118-184 km/h

44
Q

Super Typhoon (STY)

A

185 km/h or higher

45
Q

Relationship between storm category and damage:

A

higher category = higher damage

46
Q

Factors affecting damage:

The extent of damage is directly related to the storm’s_________________

A

intensity, duration (storm-center velocity), approach angle to the land, and coastal population density

47
Q

Monitoring is conducted through:

A

Ships at sea transmit weather reports

Acquisition of images from weather satellites

Use of dropsondes carried by observation airplanes

Use of satellite images and radar data from land based stations

48
Q

japan satellite helps ph to track typhoon

A

himawari

49
Q

Angle of Hurricane Approach to Coast:

Coast-parallel Hurricane Track
Coast-normal Hurricane Track

A

less destructive
more destructive

50
Q

Reducing Damages methods

A

Warning and Evacuation

Maintaining Beach Width and Dune Height

Engineering Solutions

Construction Codes

Zoning/Land Use Practices

51
Q

Australia storm surge 1899

A

13m

52
Q

a rain of semi-spherical. concentrically layered ice balls that are dropped from some thunderstorms.

A

Hail

53
Q

3 parameters to occur hail:

A

Large thunderstorms with high cloud tops

Upper-level cold air with a large temperature contrast

Strong updrafts

weak droplets

54
Q

sudden and powerful electrical discharge in the atmosphere, typically accompanied by a bright flash of light and a loud crackling sound (thunder)

A

Lightning

55
Q

separation between positive and negative charges within the cloud

A

lightning

56
Q

are funnel-shaped clouds that are associated with thunderstorms

A

Tornadoes

57
Q

70% of the tornadoes that occur on Earth occur in the great plains of the

A

United States.

58
Q

(ENSO) system

A

El Niño-Southern Oscillation

59
Q

the periodic warming of sea surface temperatures in the central and eastern equatorial Pacific Ocean. It typically occurs irregularly every _____ years and can last for several months.

A

El Niño
2 to 7

60
Q

is the opposite phase of ENSO and is characterized by cooler-than-average sea surface temperatures in the central and eastern equatorial Pacific

A

La Niña