DRRR Q4 - LAS 1 - Hydrometeorological Hazards

Multiple Choice

Which government agency in the Philippines is responsible for monitoring weather patterns and issuing warnings for hydrometeorological hazards such as typhoons and floods?

• Department of Environment and Natural Resources (DENR)

• Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA)

• National Disaster Risk Reduction and Management Council (NDRRMC)

• Philippine Institute of Volcanology and Seismology (PHIVOLCS)

Multiple Choice

Which instrument is used to measure atmospheric conditions such as temperature, humidity, and pressure at various altitudes by transmitting data from a weather balloon?

• Theodolite

• Radiosonde

• Weather satellite

• Weather radar

Multiple Choice

Which instrument is used to monitor the condition of clouds in the atmosphere? It helps locate rainfall, its duration, and tracking and monitoring typhoons.

• Theodolite

• Radiosonde

• Weather satellite

• Weather radar

Multiple Choice

Which instrument depicts the distribution of atmospheric pressure, wind, temperature, and humidity at the different levels of the atmosphere

• Weather Satellite

• Radiosonde

• Weather radar

• Weather maps

Multiple Choice

Which of the following weather systems forms in the Atlantic Ocean?

• Typhoon

• Cyclone

• Hurricane

• Tornado

Multiple Choice

What is a common sign of an incoming typhoon?

• Increase in temperature

• Swelling of the sea’s surface

• High air pressure

• Clear skies

Multiple Choice

How do the wind speeds differ between a tropical depression and a typhoon?

• A typhoon has significantly higher wind speeds than a tropical depression.

• A tropical depression has slightly higher wind speeds than a typhoon.

• The wind speeds are similar between the two classifications.

• There is no significant difference in wind speeds.

Multiple Choice

Which classification has the highest wind speeds?

• Tropical Depression

• Tropical Storm

• Severe Tropical Strom

• Typhoon

Multiple Choice

What is the minimum wind speed for a tropical cyclone to be classified as a severe tropical storm?

• 62 kph

• 89 kph

• 118 kph

• 220 kph

Multiple Choice

Which storm warning signal is raised when a certain area experiences winds between 61 and 120 kilometers per hour (kph)?

• PSWS 1

• PSWS 2

• PSWS 3

• PSWS 4

Multiple Choice

If a typhoon is predicted to bring winds exceeding 220 kph, which PSWS level will be raised?

• PSWS 2

• PSWS 3

• PSWS 4

• PSWS 5

Multiple Choice

What is the primary purpose of the lead time indicated in the table?

• To estimate the duration of the typhoon.

• To predict the exact time of landfall.

• To give people time to prepare for the storm.

• To determine the severity of the storm surge.

Multiple Choice

What should you do DURING a typhoon if you are instructed to evacuate?

• Stay home and wait for the storm to pass

• Follow evacuation orders and go to a designated shelter

• Try to drive to a safer location

• Seek shelter under a large tree

Multiple Choice

What should you do with downed power lines after a typhoon?

• Stay away and report to authorities.
• Try to move the lines out of the way
• Ignore the lines and continue with your day
• Touch the lines to check for power

Multiple Choice

Which of the following is a characteristic of thunderstorms?

• Heavy snowfall

• Lightning and thunder

• Storm surge

• Drought conditions

Multiple Choice

Which of the following is NOT a cause of flooding?

• Thunderstorm

• Typhoon

• Heavy winds

• Heavy rains

Multiple Choice

Which of the following is NOT a sign of flooding?

• Rapid rising of rivers and creeks

• Sudden decrease in water temperature

• Sound of roaring water

• Dam breaking or water release before overflow

Multiple Choice

What is the rainfall measurement associated with a RED Rainfall Advisory (Torrential)?

• Less than 2.5 mm rain observed in 1 hour

• 2.5 - 7.5 mm rain observed in 1 hour

• 7.5 - 15 mm rain observed in 1 hour

• More than 30 mm rain observed in 1 hour

Multiple Choice

What is the recommended response for a YELLOW Rainfall Advisory (Heavy)?

• Evacuation

• Alert for possible evacuation

• Monitor the weather condition

• No action required

Multiple Choice

Which of the following is NOT a recommended action to take before a flood?

• Stockpile non-perishable food and water

• Move valuables to higher ground

• Stay indoors and monitor the situation

• Identify escape routes and safe zones

Multiple Choice

What primarily causes a storm surge?

• Heavy rainfall

• Abnormal rise in water due to strong winds in typhoons

• Earthquake activity

• Flooding

Multiple Choice

What is the highest warning level for a storm surge?

• BLUE

• GREEN

• YELLOW

• RED

Multiple Choice

What is the meaning of a YELLOW warning level?

• Storm surge is catastrophic.

• Storm surge is expected.

• Storm surge is possible.

• No storm surge is expected.

Multiple Choice

Which of the following is NOT a typical characteristic of El Niño?

• Warmer-than-average sea surface temperatures in the central and eastern Pacific Ocean.

• Weakening of trade winds.

• Increased rainfall in the central and eastern Pacific.

• Cooler-than-average sea surface temperatures in the western Pacific.

Multiple Choice

What is the primary driver of both El Niño and La Niña events?

• Changes in ocean-atmosphere interactions

• Volcanic eruptions

• Solar radiation fluctuations

• Human activities.