Types of Intense WEATHER and FRONTS

Objective:Can I use meteorological data to

predict weather?

Raychel Harvey Jones | Weather

A daily change in the condition of the atmosphere

Raychel Harvey Jones | Our Sun

The sun provides the

that is

responsible for all of Earth’s weather

ENERGY

Types of weather

Severe weatherRaychel Harvey Jones

Raychel Harvey Jones | Tornado

• A severe storm that forms as rapidly rotating funnel cloud.

• The peak season in Tennessee is March – May

Tropical Storms/Hurricanes • Low pressure storm

with high winds from the ocean

Categories of Hurricanes

1. 74-95 mph – minimal hurricane2. 96-110 mph – moderate hurricane3. 111-130 mph – extensive hurricane4. 131-155 mph – extreme hurricane (Andrew)5. >155 mph – catastrophic hurricane

Raychel Harvey Jones | Fronts

• The point where two air masses meet

• Causes change in weather

Raychel Harvey Jones | Warm Front

• Warm air mass• Will rise over cool air mass and gradually

replaces the cold air.• Cause light rain followed by hot humid

weather

• A cold air mass• Cold front will push under warm front• Causes severe weather- heavy rains and

thunderstorms• Followed by cool weather

Raychel Harvey Jones | Cold Front

Raychel Harvey Jones | Occluded Front

• Forms when a warm air mass is caught between two colder air masses.

• Has cool temperatures and large amounts of rain and snow.

Raychel Harvey Jones | Stationary Front

• Forms when a cold air mass meets a warm air mass. Both air masses do not have enough force to life the warm air mass over the cold.

• Days of cloudy, wet weather.

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