Air Masses Flashcards
What happened?
Hour 1: sunny and warm weather
Hour 2: cloudy and rainy weather
Hour 3: drop in temperature
Hour 4: clear skies and cold temperature
A cold front moved into the area.
A meteorologist uses a weather map to explain an upcoming change in weather. The map shows a blue line with triangles approaching a red line with semicircles. Based on the map, what do you predict will happen?
A significant drop in temperature will occur across the area.
What factor in the atmosphere is most responsible for changes in an area’s temperatures and humidity levels?
Movement of large air masses
“Temperatures will plummet late Thursday night through Saturday. All areas across the eastern region of the state are anticipated to be below freezing by Friday morning and again on Saturday morning. Heavy amounts of snow are possible late Thursday into Friday. High winds can also be expected across the area.”
Which news headline best accounts for this change in weather?
A: “A Strong Cold Front Threatens the Region”
B: “A Warm Air Mass Forms over the Region”
C: “A Cold Air Mass Exits the Region”
D: “A Warm Front Blankets the Region”
A: “A Strong Cold Front Threatens the Region”
Which condition would most likely require the National Weather Service to issue a severe thunderstorm warning?
A: a front moving out of an area
B: an air mass developing over a large body of water
C: a meeting of two air masses with major differences in temperature and moisture
D: a large amount of moisture in the air condensing to form clouds
C: a meeting of two air masses with major differences in temperature and moisture
