QUIZ: Typhoon

• What is a typhoon classified as?

  A tropical cyclone
• What characterizes a typhoon?

  It is characterized by low atmospheric pressure, high winds, and heavy rains
• How many tropical cyclones does PAGASA report can hit the Philippines annually?

  An average of 20 tropical cyclones
• Why is naming storms useful?

  • Clear communication for warnings
  • Avoids confusion during multiple storms
  • Part of an international standard by WMO
  • Increases public awareness and safety precautions
• What is the purpose of naming storms?

  To make tracking and communication easier
• How does naming storms help avoid confusion?

  It gives each storm a unique name to distinguish them
• What organization manages the international system of storm names?

  The World Meteorological Organization (WMO)
• What is the naming convention for tropical cyclones in the Philippines?

  • The first cyclone of the year starts with 'A'
  • Names follow in alphabetical order
  • The cycle repeats every five years
• What is the first name in the Philippine tropical cyclone names for 2022?

  ADA
• How does naming storms increase public awareness?

  A memorable name can remind people to prepare for severe weather
• What are the effects of tropical storms?

  Heavy rainfall and flooding, high winds, storm surge, impact on ecosystems, human and economic impact, long-term environmental changes
• What is the purpose of Public Storm Warning Signals (PSWS)?

  To warn the public of incoming weather disturbances
• When are Public Storm Warning Signals typically raised?

  When a tropical storm or typhoon is approaching
• What factors determine when Public Storm Warning Signals are issued?

  The storm's location, intensity, speed, and expected path
• What are the main reasons for upgrading or downgrading Public Storm Signals?

  1. Changes in storm intensity
  2. Changes in the storm's path and speed
  3. Weather forecast updates and improved tracking
  4. Potential for localized impacts
• What is the wind threat for Tropical Cyclone Wind Signal #1?

  39-61 km/h
• What are the potential impacts of Tropical Cyclone Wind Signal #1?

  Minimal to minor damage to poorly constructed houses and some damage to crops
• What is the wind threat for Tropical Cyclone Wind Signal #2?

  62-88 km/h
• What are the potential impacts of Tropical Cyclone Wind Signal #2?

  Minor to moderate damage to makeshift structures and some roof damage to average houses
• What is the wind threat for Tropical Cyclone Wind Signal #3?

  89-117 km/h
• What are the potential impacts of Tropical Cyclone Wind Signal #3?

  Substantial damage to makeshift structures and considerable roof damage to average houses
• What is the warning lead time for Tropical Cyclone Wind Signal #1?

  36 hours
• What is the warning lead time for Tropical Cyclone Wind Signal #2?

  24 hours
• What is the warning lead time for Tropical Cyclone Wind Signal #3?

  18 hours
• What is the wind threat for Tropical Cyclone Wind Signal #3 according to the new classification?

  89-117 km/h
• What are the potential impacts of Tropical Cyclone Wind Signal #3?

  • Substantial damage to makeshift or old structures
  • Considerable roof damage to poor or average houses
  • Minimal to minor roof damage to well-constructed houses
  • Minor to moderate damage to warehouses
  • Unsecured outdoor items may become projectiles
  • Power outages and downed power lines
  • Moderate disruption to public transportation
  • Damage to small trees and crops
• What is the wind threat for Tropical Cyclone Wind Signal #4 according to the new classification?

  118-184 km/h
• What is the warning lead time for Tropical Cyclone Wind Signal #4?

  12 hours
• What are the potential impacts of Tropical Cyclone Wind Signal #4?

  • Severe damage to makeshift or old structures
  • Major damage to poor or average houses
  • Minor to moderate roof damage to well-constructed houses
  • Failure of aluminum and steel roofs in industrial buildings
  • Blown out windows in high-rise buildings
  • Near total loss of power and telecommunications
  • Significant disruption to public transportation
  • Extensive damage to crops and trees
• What is the wind threat for Tropical Cyclone Wind Signal #5 according to the new classification?

  185 km/h or higher
• What is the warning lead time for Tropical Cyclone Wind Signal #5?

  12 hours
• What are the potential impacts of Tropical Cyclone Wind Signal #5?

  • Severe to catastrophic damage to poor or average houses
  • Substantial roof and wall failure in well-constructed houses
  • Destruction of many industrial buildings
  • Most windows blown out in high-rise buildings
  • Extensive damage from airborne debris
  • Prolonged unavailability of electricity and water
  • Significant disruption to public transportation
  • Vast majority of trees broken or uprooted
• What is the classification of a tropical cyclone with maximum sustained winds of up to 62 km/h?

  Tropical Depression (TD)
• What is the classification of a tropical cyclone with maximum wind speed of 62 to 88 km/h?

  Tropical Storm (TS)
• What is the classification of a tropical cyclone with maximum wind speed of 87 to 117 km/h?

  Severe Tropical Storm (STS)
• What is the classification of a tropical cyclone with maximum wind speed of 118 to 184 km/h?

  Typhoon (TY)
• What is the classification of a tropical cyclone with maximum wind speed exceeding 185 km/h?

  Super Typhoon (STY)
• How many tropical cyclones are expected in November 2024?

  1 or 2 tropical cyclones
• How many tropical cyclones are expected in December 2024?

  0 or 1 tropical cyclone
• How many tropical cyclones are expected in January 2025?

  0 or 1 tropical cyclone