10 Questions
The word 'typhoon' came from the word '______' which means 'Great or Big Wind'
Tai Feng
Typhoon is also termed as '______' or tropical cyclones
hurricane
The '______' is responsible for providing names for typhoons approaching the country
Philippine Atmospheric, Geophysical and Astronomical Services Administration
The Filipino term for Tropical Cyclone is '______'
Bagyo
Sinkhole is a sunken or hole from the surface to the inner part of the earth due to some natural or '______' phenomena
artificial
The '______' type of sinkhole tends to develop gradually where the covering sediments are permeable and contain sand
Cover-subsidence
The '______' type of sinkhole may develop abruptly and cause catastrophic damage
Cover-Collapse
Dissolution of the '______' or dolomite is most intensive where the water first contacts the rock surface
limestone
Man-made causes of sinkholes include '______' logging
Illegal
The type of sinkhole that forms due to the dissolution of the '______' or dolomite is called Dissolution Sinkhole
limestone
Study Notes
Public Storm Warning Signals
- Signal No.1: Expected weather disturbance in 36 hours
- Signal No.2: Expected weather disturbance in 24 hours
- Signal No.3: Expected weather disturbance in 18 hours
- Signal No.4: Expected weather disturbance in 12 hours
Thunderstorm
- Also known as electrical storm, lightning storm, or thundershower
- Three stages:
- Cumulus Stage: Warm, moist air rises, cools, and condenses, forming a cumulus cloud
- Mature Stage: Presence of updrafts and downdrafts, with evaporative cooling
- Dissipating Stage: Downdraft cuts off warm, moist air, causing the storm to dissipate
Flood and Storm Surge
- Flood: Natural movement of waters along rivers, lakes, and other bodies of water
- Storm Surge: Abnormal rise in seawater level during a storm, measured as the height above the normal predicted astronomical tide
El Niño and La Niña
- El Niño: Periodic warming of sea surface temperatures across the central and east-central Equatorial Pacific
- La Niña: Periods of below-average sea surface temperatures across the east-central Equatorial Pacific, with opposite impacts to El Niño
Fire Hazard
- Fire: Occurs when combustible fuel in the presence of oxygen at high temperature becomes gas
- Fire Triangle: Heat, Fuel, and Oxygen
- Heat: Initial ignition and maintenance of fire
- Fuel: Combustible material characterized by moisture content, size, shape, quantity, and arrangement
- Oxygen: 21% in air, with at least 16% required for fire to burn
Sinkholes
- Types:
- Dissolution Sinkhole: Dissolution of limestone or dolomite
- Cover-subsidence Sinkhole: Gradual development where covering sediments are permeable
- Cover-Collapse Sinkhole: Abrupt development causing catastrophic damage
Hydrometeorological Hazard
- Typhoon: Also known as hurricane or tropical cyclone, with different terms used in different regions
- Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) provides names for typhoons approaching the country
- "Bagyo" is the Filipino term for Tropical Cyclone
Test your knowledge on public storm warning signals, types of storms, and the stages of thunderstorms. Learn about the different signal numbers and their corresponding timeframes for weather disturbances. Understand the characteristics of thunderstorms and their various stages.
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