air masses
air fronts
predicting weather changes
severe weather and flooding
100

define air mass

large body of air

100


cold front

100

what is a meteorologist

a scientist who studies and predicts weather

100

name four types of storm

winter storm, thunderstorm, hurricane, tornado

200
name the four air masses

continental tropical, continental polar, maritime polar, maritime tropical

200

what happens during a stationary front

two air masses meet and stop moving

200

name two weather tools

weather balloon, weather satellites, computer forecasts, automated weather stations
200

define storm

a violent disturbance in the atmosphere
300

how do air masses affect our weather

changes the weather and brings two characteristics- temperature and moisture

300

how can you identify a warm front is coming

steady rain, temperature increases

300
what is a weather map

when data from local stations all over the country are synthesized 

300

what is a thunderhead

 a cloud

400

what moves air masses

winds and jet streams

400

what happens during an occluded front

a warm air mass gets caught between two cold air masses
400

what is the difference between isobar lines and isotherm lines

isobar- lines joining places on the map with the same air pressure

isotherm-lines joining places on the map with the same temperature

400

what is the difference between a dam and a levee

a dam is a barrier that redirects water flow

levee is an embankment built along a river or lake to prevent land from flooding

500

describe each air mass

MT- over water, near the equator

CT- over land, near the equator

CP- over land, near poles

MP-over water, near poles

500

way to identify an occluded front

wind storms

500

 a tornado has 153 MPH winds, what category is this tornado

EF-3