Tornadoes, thunderstorms, windstorms, hurricanes, typhoons, and ______ are examples of what is known as severe weather.

______ occurs when water overflows the natural or artificial banks of a stream or other body of water

• droughts
• thunderstorms
• floods
• hail
• none of the above

Floods may occur behind ice dams on rivers, during very high tides, or after _______.

• hail storms
• a drought
• tsunamis
• none of the above

Floods are often caused by _________ over mountains, during which large amounts of _____ flow down a single canyon.

• ice storms, snow
• thunderstorms, water
• avalanches, ice
• none of the above

The Dust Bowl includes _______,_____,_____,____,and ____.

• Colorado, Kansas, New Mexico, Texas and Oklahoma
• Pensylvania, Kansas, New Jersey, Texas and Oklahoma
• Colorado, Kansas, New Mexico, New Jersey, and Florida
• none of the above

In 1930, A severe drought occurred after years of poor land management.

• True
• False

Large parts of Pakistan were hit by a drought in 2000. No _______ fell for more than 3 years.

• snow
• rain
• ice

Thunderstorms produce rapidly rising ____ _____, usually resulting in heavy rain or hail along with thunder and lightning.

• water currents
• convection currents
• air currents
• none of the above

A thunderstorm is classified as severe when it produces one or more of these conditions. (select all that apply)

• a tornado
• Hail 3.9 cm or more in diameter
• Winds gusting in excess of 96 km per hour
• Hail 1.9 cm or more in diameter
• Winds gusting in excess of 106 km per hour

On October 22, 1996, surface temperatures dropped from 10 degrees Celsius to around 0 degrees Celsius in an area west of central _____. Strong rising winds developed and the storm increased intensity quickly. Egg sized hail fell, as well as large amounts of _____ and ______ _____.

• Florida, sleet, light snow
• Colorado , sleet, light snow
• Texas, sleet, light snow
• None of the above