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Do Now . What can you remember about the weather? What happens during a cold front? What do you remember about the weather map shown below?. Announcements. You will not have my class again until Friday. Good luck with EOGs!. Going back in time…. To weather! . Changes in Weather.

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Presentation Transcript
do now

Do Now

What can you remember about the weather?

What happens during a cold front?

What do you remember about the weather map shown below?

announcements
Announcements
  • You will not have my class again until Friday.
  • Good luck with EOGs!
a large body of air that has the same properties as the surface over which it develops

Air Mass

__________: a large body of air that has the same properties as the surface over which it develops.

6 air masses effect U.S.

slide8

Pressure SystemsAtmospheric Pressure:- caused by air molecules pushing on the Earth’s surface- determined by temperature, density, and water vapor in the air

air flows downward and outward in a clockwise spiral

High Pressure

________________: air flows downward and outward in a clockwise spiral.

Brings fair weather – hard for air to rise and form clouds

air flows upward and inward in a counterclockwise spiral

Low Pressure

______________: air flows upward and inward in a counterclockwise spiral.

Brings cloudy weather

cold air mass pushes under a warm air mass and forces the warm air steeply up

Cold Front

____________: cold air mass pushes under a warm air mass and forces the warm air steeply up.

Cumulous/cumulonimbus clouds – move slower than warm front

pressure differences cause a warm from or a cold front to stop moving

Stationary Front

__________________: pressure differences cause a warm from or a cold front to stop moving.

Same place for days – light wind and precipitation across entire front

heavy rainfall lightning flashes thunder and maybe hail

Thunderstorm

_______________: heavy rainfall, lightning flashes, thunder, and maybe hail.

Warm moist air forced upward rapidly, cools, condenses – cumulonimbus cloud

air builds up and electrical charges current flows between opposite charges and is produced

Air builds up + and – electrical charges; current flows between opposite charges and __________ is produced.

lightning

wind moving in different directions at different speeds and at different elevations

Wind Shear

_____________: wind moving in different directions, at different speeds, and at different elevations.

large swirling low pressure system that forms over tropical oceans

Hurricane

___________: large, swirling, low pressure system that forms over tropical oceans.

Most powerful storm

project
Project
  • In partners, you will be writing a weather report for Charlotte for the weekend.