DRRR FINALS

• Typhoon

  Tropical Cyclone Structure

  ▪ Eye - area of lowest atmospheric pressure

  ▪ Eye wall - the region immediately surrounding the tropical cyclone’s center

  ▪ Rain bands - spiraling strips of clouds
• Thunderstorm

  Thunderstorms Signs

  ▪ Presence of cumulous clouds will bring thunderstorms.

  ▪ A rapid change from bright to a dark sky.

  ▪ Lightning is an indicator of thunderstorms. It can happen before rainfalls.
• Flood

  Types of Flood

  ▪ Coastal Flood – floods associated with cyclonic activities (hurricanes, cyclones)

  ▪ River flood – precipitation over a large catchment’s area

  ▪ Flashflood – rapid flow of water on saturated soil ▪ Urban flood – flood that occurs in cities
• Flash flood signs

  ▪ Continuous storms, typhoons, rain

  ▪ Distant thunder

  ▪ Rapidly rising water

  ▪ Muddy water

  ▪ Water carrying debris
• Storm surge

  Storm surge signs

  ▪ Cumulonimbus clouds

  ▪ Darker sky

  ▪ Low pressure

  ▪ Strong winds

  ▪ Rising of water