Air
Precipitation
Winter Weather
Tornadoes
Hurricanes
100

Known as a large body of air in the trophosphere 

air mass

100

Type of tall clouds that result in thunderstorms

cumulonimbus

100

This is the type of precipitation that consists of periods of snow, rain, sleet, and ice

wintry mix

100

Tornadoes form in this kind of cloud

Cumulonimbus

100

Two other names for hurricanes

Cyclones and typhoons

200

Area where an air mass obtained its humidity and temperature 

source region

200

The effect where warm air is forced upward by cold air, forming clouds and condensing clouds

frontal wedging

200

Precipitation that may happen near the Great Lakes in the winter

Lake effect snow

200

The typical season for tornadoes in the United States.

Spring (March through May)

200

The number of Saffir-Simpson Hurricane Categories

Five

300

When a weather front exhibits conditions like dew point falling, wind shifting to the northwest, pressure rising, and temperature dropping, this front might be a 

cold front

300

The most common form of solid precipitation

snow

300

You should be cautious walking under these things during an ice storm

Power lines or trees

300

The type of massive, rotating storm that is associated with tornadoes

supercell

300

One reason that hurricanes lose power/intensity as they move

Friction 

OR 

Lack of moisture to accumulate

400

The type of frontal system in which cold air masses have warm air trapped between them

occluded front

400

A solid, round piece of precipitation often accompanying thunderstorms

hail

400

Type of winter storm that occurs in the Atlantic Ocean, impacting the northeast corner of the United States

Nor'easter

400

There are this many ratings on the Enhanced Fujita-Pearson Scale for measuring tornado strength.

Six (EF0-EF5)

400

Type of wave that precludes a hurricane's landfall

storm swell

500

This effect creates many of the world's largest deserts

orographic lifting

500

The area on the far side of a mountain range that rarely sees rain

rain shadow

500

The best driving advice for navigating snowy or icy roads

SLOW DOWN

500

Name the continents where tornadoes occur 

N. America, S. America, Australia, Asia, Europe, Africa

500

The year of Hurricane Katrina

2005