Weather Fronts

Fronts are frequently associated with and often mark a significant change in the weather. What type of weather are they associated with?

(a)  

• Clouds and precipitation
• Clear skies and sunshine
• Monsoons
• Tsunami
• High UV index and wind chill

Tags

NGSS.MS-ESS2-5

(a)   are boundaries that separate air masses of different densities. They generally do not mix.

• Weather fronts
• air masses
• cyclones
• anticyclones
• millibars
• isobars

Tags

NGSS.MS-ESS2-5

As one air mass moves into another:

• complete mixing occurs

• very little mixing occurs

• no mixing occurs

• they recoil and retreat in opposite directions

Tags

NGSS.MS-ESS2-5

_________________air is less dense and is forced aloft over ________________air, which acts like a wedge.

• warm, cold

• cold warm

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

When warm air occupies territory formerly influenced by cooler air it is called a __________.

• warm front

• cold front

• occluded front

• stationary front

Tags

NGSS.MS-ESS2-5

Warm fronts send air rising above a wedge of cold air, this produces:

• clear skies

• clouds and precipitation

• no cloud formation

• snow

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Occluded fronts are associated with which clouds:

• cumulonimbus or nimbostratus

• cirrus or cirrocumulus

• cumulus or altocumulus

• stratus

• cirrostratus

Tags

NGSS.MS-ESS2-5

Temperatures behind a warm front are _______________ in front of the warm front.

• The same as

• warmer than

• colder than

Tags

NGSS.MS-ESS2-5

In the United States of America, cold fronts are usually associated with which type of air masses?

• continental polar from Canada

• continental tropical from Mexico

• maritime polar from the North Atlantic

• maritime tropical from the Gulf of Mexico

Tags

NGSS.MS-ESS2-5

When dense cold air actively advances into an area occupied by warmer air, the boundary is called a ________.

Tags

NGSS.MS-ESS2-5