Aviation Weather Part C: Fronts & Clouds

What is a weather front?

• A boundary where two masses of air of different densities meet

• A type of cloud formation

• A measurement of atmospheric pressure

• A seasonal wind pattern

Tags

NGSS.MS-ESS2-5

What happens at a cold front?

• Warm air mass advances on cold air mass & pushes it up

• Neither air mass is advancing

• Slower moving cold front overtakes a warm front

• Cold air mass plows under on warm air mass & pushes it up

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What characterizes a warm front?

• Cold air mass advances on stationary warm air mass

• Warm air mass slides over a stationary or slow moving cold air mass

• Neither air mass is advancing

• Faster moving cold front overtakes a slow moving warm front

Tags

NGSS.MS-ESS2-5

When two fronts meet & neither advances, this called a(n) ____________?

• occluded front

• stationary front

• warm front

• cold front

Tags

NGSS.MS-ESS2-5

What kind of weather would you expect to find ahead of a cold front?

• Clouds & rain showers

• Clear skies & sunny

• Cold & windy

• Sunny & windy

Tags

NGSS.MS-ESS2-5

What kind of weather would you expect to find ahead of a warm front?

• Fog, lignt rain &

  poor visibility

• Clear skies & sunny

• Cold & windy

• Intense thunderstorms including tornadoes & lightning

Tags

NGSS.MS-ESS2-5

Cold air is generally...

• is less stable than warm air

• is more stable than warm air

• has the same stability as warm air

• Can hold more water vapor than warm air

Tags

NGSS.MS-ESS2-5

What is the approximate speed of the cold front as depicted in the image?

• 10-15 MPH

• 25-30 MPH

• 40-45 MPH

• 50-55 MPH

Tags

NGSS.MS-ESS2-5

What is the approximate speed of the warm front as depicted in the image?

• A) 10-25 MPH

• B) 25-30 MPH

• C) 40-45 MPH

• D) 50-55 MPH

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which of the following is a characteristic of warm fronts?

• A) Less water vapor

• B) More water vapor

• C) Cold air advancing on warm air

• D) Rapid temperature decrease

Tags

NGSS.MS-ESS2-5