Kinds of Storms

• Thunderstorms


  Clouds become electrically charged, producing lightning and thunder
• Tropical depression


  up to 63 km/hr winds Forms from thunderstorms over warm ocean waters
• Tropical storm


  63-117 km/hr winds

  Forms from tropical depression and gains strength over warm ocean waters
• Typhoons


  Pacific ocean origin

  120-350 km/hr winds

  Forms over warm ocean waters
• Hurricane


  Atlantic ocean origin

  120-350 km/hr winds

  Forms over warm ocean waters
• Cyclone


  Indian ocean origin

  120-350 km/hr winds

  Forms over warm ocean waters
• Tornadoes


  Small but about 500 km/hr