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PPL - Wx > Fronts > Flashcards

Fronts Flashcards

1
Q

What are the types of fronts?

A

Cold, warm stationery, and occluded

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2
Q

What is cold front?

A

When cold dense and stable air undercuts a warmer air mass

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3
Q

What is typical cold front weather with respect to clouds?

A

Before - towering cumulus or Cb

During - towering cumulus or Cb

After - Cumulus

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4
Q

What is typical cold front weather with respect to precipitation ?

A

Before - Showers

During - heavy showers

After - slow decreasing showers

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5
Q

What is typical cold front weather with respect to visibility?

A

Before - Haze but fair

During - poor

After - good

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6
Q

What is typical cold front weather with respect to winds?

A

Before - ssw

During - variable and gusty

After - WNW

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7
Q

What is typical cold front weather with respect to temperature?

A

Before - warm

During - cooler

After - continue cooler

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8
Q

What is typical cold front weather with respect to pressure

A

Before - falling

During - bottoms then rises

After - rising

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9
Q

What is warm front

A

When warm air overtakes cooler air

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10
Q

What is typical warm front weather with respect to clouds?

A

Before - Fog/stratiform

During - stratiform

After - stratocumulus (cb in summer)

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11
Q

What is typical warm front weather with respect to precipitation?

A

Before - drizzle

During - drizzle (if)

After - rain (if)

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12
Q

What is typical warm front weather with respect to visibility?

A

Before - poor

During - improving

After - fair (haze)

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13
Q

What is typical warm front weather with respect to winds?

A

Before - SSE

During - Variable

After - SSW

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14
Q

What is typical warm front weather with respect to temperature?

A

Before - Cool

During - rising

After - rising

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15
Q

What is typical warm front weather with respect to pressure?

A

Before - falling

During - steady

After - falling

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16
Q

What is cold front occlusion?

A

Cold air catches up with cooler air ahead of the warm front in front of it

17
Q

What is cold front occlusion?

A

Cold air catches up with cooler air ahead of the warm front in front of it

18
Q

What is a warm front occlusion?

A

Cool air catches up with the cold air, which is ahead of the warm front ahead of it

19
Q

What is typical occluded front weather with respect to clouds?

A

Before - stratiform

During - nimbostratus

After - nimbostratus

20
Q

What is typical occluded front weather with respect to precipitation?

A

Before - light to heavy

During - light to heavy

After - light to moderate

21
Q

What is typical occluded front weather with respect to visibility?

A

Before - Poor

During - poor

After - improving

22
Q

What is typical occluded front weather with respect to pressure?

A

Before - falling

During - steady

After - slight drop

PPL - Wx (6 decks)

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