Quiz 3 GEOL1010

The average number of billion dollar weather events increased almost ____ during the last 7 years (2011-2016) as compared to the previous 40 years (1980-2010)

3 times

In 2011 alone, _____ EF-5 tornadoes were documented.

6

Mt. Rainier, Washington, is number one on the danger list of many U.S. volcanologists because of its __________.

All of these choices are correct.

In August 1986, a gigantic

Carbon dioxide

In the Northern Hemisphere, severe winter in the midlatitudes is driven mostly by _______; these are air masses rotating counterclockwise about a low-pressure corse.

Cyclones

The urban heat island effect creates a high-pressure cell over a city.

False

In the United States, more lighting deaths occur in ______ than any other state.

Florida

The state in the United States with the most days of thunderstorm in a typical year is _______.

Florida

If you see a tornado or hear a tornado warning, you should take immediate action. Which of the following actions would be a bad choice?

Get under an overpass or bridge.

The vulcanian eruption of Eyajafjallajokull in southern Iceland in 2010

Glacial

Which of the following types of severe weather results in the highest average annual death toll in the United States?

Heat

What was the origin of gas that killed 1,700 people

It leaked upward

During the 21-27 May 2011 tornado outbreak, 160 people died in ________.

Joplin, MO

During the summer of 1783, the greatest lava eruption

Laki, Iceland

In 1985, ________ produced a minor eruption that melted part of a glacier near its summit, sending a lagar down it's slopes and killing at least 22,000 people.

Nevado Del Ruiz

The Enhanced Fujita Scale

quantifies tornado magnitude based on estimated maximum wind speed

Adiabatic cooling occurs when an air mass ____

rises and expands

Tornadoes preferentially kill all but which of the following?

teenagers

High humidity during a heat wave is particularly bad because __________.

the evaporation of sweat is slowed

If you are caught outside in a lighting storm, it's is better to lie down flat on the ground with your arms extended than it is to squat down on the balls of your feet while covering your ears with your hands.

True

Lighting can move between clouds and within a single cloud;does not have to move between the clouds and the ground.

True

Tornado damage from 25-28 April 201- tornado outbreak reached $11 billion.

True

What is the volcanic explosivity index

VEL of 8

Tornado outbreaks typically occur when a lengthy collision zone forms between __________ results in the formation of many supercell thunderstorms.

a cold front and a high-energy warm air mass

As rotating winds pull into a tighter and tighter spiral, wind speeds increase due to the conservation of __________.

angular momentum

From 1977-2016, ________ % of severe weather deaths can be tied to winter storms/cold.

17

From 1980-2017, there were _____ billion dollar loses due to weather and climate related disaster.

190

In March, 1993, an immense cyclone called the "Storm of the Century" wreaked havoc all along the eastern part of North America, this storm was so powerful because _________.

3 air masses collided and were carried along by the jet stream

During 25-28 April 2011, the largest ever tornado outbreak occurred, producing ________ tornadoes in 21 states.

358

The Great Plains region central United States plays host to about ____ percent of the tornadoes that occur on Earth.

70

The main destruction actions of tornadoes include all but which of the following?

A strong high-pressure zone in the center blows building apart.

Many of the United States and world record rainfalls in the 1 to 24 hour range were established during thunderstorms in

Texas

Important requirements for hail to form are _______________________________.

All of these are correct

Conditions necessary to turn an ordinary thunderstorm into a tornado-spinning monster include ____

All of these choices are correct

Which of the following can be related to the deaths during January 1998 ice storm in Canada?

All the options are correct

Thunderstorm wreak havoc with ________.

All these choices are correct

Viscous magma are store as a mostly solid

An injection of new

Why are low-latitudes the most dangerous latitudes to have a large volcanic eruption occur?

Ash and gases from low-latitude eruptions are spread around Earth to the greatest degree.

Seafloor spreading generates ______ magma

Basaltic

In the United States, total deaths from lighting per decade have ______ since the 1940s.

Been decreasing steadily

During the 1990s, hundreds of trees were killed at Mammoth Mountain, California, by the diffuse emission of _________ gas.

CO2

A widespread, powerful wind storm with straight-line winds is referred to as a ________________.

Derecho

All volcanic activity in a failed rift ceases once the rifting fails.

F

Magma at spreading centers is low temperature, high-viscosity

F

A hook echo in the reader imagery of a supercell thunderstorm indicates the storm is no longer capable of producing tornadoes.

False

During the tornado outbreak of 14-16 April 2011, Alabama reported the most tornado-related deaths.

False

Thunderstorm occur where warm, moist air has absorbed enough heat and moisture to be significantly _____________ than the surrounding air.

Less dense

In the United States, there was great concern in the early 1980s

Long Valley

A genuine success story of advance warning before a large eruption occurred in the Philippines in 1991 before the climactic eruption of _________________.

Mt. Pinatubo

Which of the following statements is true regarding the formation of tornadoes?

Powerful tornadoes emerge from wall clouds after developing in the mesocyclone.

Dome collapse, overspiling crater rim, direct blast, and eruption column collapse are all ways to generate __________.

Pyroclastic flows

The basic sequence within a lighting flash includes all but which of the following?

Static electricity builds up within the lower thundercloud and induces identical-polarity charges on the ground.

In Icelandic-type eruptions

T

Thunder is caused by

high temperatures of lightning that flash heat the surrounding air, causing it to expand explosively

The Mt. Pinatubo endangered people, animals, and property when its 1991 eruption resulted in __________.

lahars and pyroclastic flows

Three tornado outbreaks in the United States during 2011 from 14-16 April, 25-28 April, and 21-27 May each produced tornadoes numbering in the __________.

low triple digits

In the United States, severe weather events kill _____ the combined total killed by earthquakes, volcanoes, and mass movements.

more people per year than

Most Icelandic eruptions are __________.

peaceful fissure eruptions

The year 2005 holds the record for the most dollar losses at $215 billion.

False

A building destroyed by a tornado likely lost its roof before the walls were knocked over.

True

A difference between a single-cell thunderstorm and a super-cell thunderstorm ja the latter is tilted.

True

Warning signs of hyperthermia include high body temperature, mental confusion, fainting, and dry skin with rapid or slow pulse.

True

volcanic eruptions with which of the following VEIs happen the most often?

VEI 3

Tornadoes can and do hit big cities. However, they are hit less often than other areas because big cities are less common in the central part of the United States and _____.

cities are relatively small targets relative to the rest of the region

Several geologic phenomena are being studied as signs of an impending volcanic eruption. These include seismic waves, ______________, and the release of gases.

ground deformation