Rip current

A rip current is a strong, narrow current that flows outward from the shore.

Weather - trivia 8

1) What is the temperature of absolute zero?

a) -458.67 degrees Fahrenheit
b) -459.67 degrees Fahrenheit

Check comments for the answer.

Alberta clipper

An Alberta clipper is a fast moving area of low pressure that originates in Alberta, Canada. They bring gusty winds, cold air, and light snow.

Tornado alley

Tornado alley is an area that gets the most tornadoes in the United States. It is located in the central part of the country in a mostly north-south area from central Texas to Nebraska and Iowa.

Weather - trivia 7

1) What are the winds in a category 5 hurricane?

a) 157 mph or greater
b) 152 mph or greater

Check comments for the answer.

Freezing

Water freezes at 32 degrees Fahrenheit or 0 degrees Celsius.

Squall line

A squall line is a long line of thunderstorms that forms along or ahead of cold fronts.

Snowpack

Snowpack is the annual accumulation of packed snow at higher elevations.

Sky cover

Sky cover is the amount of sky covered or concealed by clouds.

Sea breeze

A sea breeze is a daytime cooling breeze that blows from the sea to the land.

Wind speed

Wind speed is the measurement of the movement of air. It is given in miles per hour and knots.

Wind

Wind is the movement of air.

Whiteout

A whiteout is when visibility is reduced to near zero by snow, usually occuring in a blizzard.

Heat index

Heat index is the combination of air temperature and humidity. It gives a description of what the temperature actually feels like to us.

Erosion

Erosion is the movement of soil and rock from one area to another. Winds and water are causes of erosion.

Absolute zero

Absolute zero is the temperature at which all atomic motion should cease. It is -459.67 degrees Fahrenheit.

Waterspout

A waterspout is a tornado over water. They are usually much weaker than tornadoes over land.

Supercell

A supercell is a thunderstorm with a persistent rotating updraft. They produce large hail, damaging winds, and strong tornadoes.

Severe thunderstorm

A severe thunderstorm is a thunderstorm that has winds of 58 mph or more, hail of 1 inch or larger, or funnel clouds/tornadoes.

Severe thunderstorm warning

A severe thunderstorm warning means a severe thunderstorm has actually been spotted, either on the radar or by spotters in the specified warning area.

Severe thunderstorm watch

A severe thunderstorm watch means weather conditions are favorable for the development of severe thunderstorms in and close to the watch area.

Tornado warning

A tornado warning means a tornado has actually been spotted on the radar or by spotters in the specified warning area.

Tornado watch

A tornado watch means conditions are favorable for the development of tornadoes in and close to the specified watch area.

Slush

Slush is made up of ice or snow and liquid water. It can mix with dirt and give a brown appearance in streets. Slush occurs when warmer temperatures cause snow and ice to melt.

Black ice

Black ice is a thin, almost transparent ice coating found on road surfaces in cold weather.

Frost

Frost are ice crystals that form on exposed surfaces whose temperature is below freezing.

Dew point

The dew point is the temperature at which the air must be cooled in order for it to become saturated.