Shared Flashcard Set

Details

Air Masses, Fronts etc
Stuff about air masses and fronts and hurricanes and tornadoes and stuff
38
Meteorology
10/30/2007

Additional Meteorology Flashcards

 


 

Cards

Term
What is true about tempeture and humidity of an air mass at a particular alttitude?
Definition

When the water vapor content of air remains constant lowering air tempeture causes an increase in realtive humidity and raising air temp means decrease in humidity.

Term
Do air masses change as they move?
Definition

No when a air mass moves it takes the temp and moisture with it.

Term

What does cP stand for

Definition

Contential Polar

Term
What does cT stand for?
Definition

Contential Tropical

Term

What does mP stand for?

Definition
Martime Polar
Term
What does mT stand for
Definition
Martime Tropical
Term

What kinds of weather does the air mass Contential Polar or cP bring?

Definition
Cold and Dry
Term
What kind of weather does contential tropical or cT bring in?
Definition

cT have the least influence in North America they are extremely hot they bring in droughts and they even affect areas outside.

Term
What kind of weather does mP or Martime Polar bring in?
Definition
Low Clouds
Heavy Rain
Snow
and
Showers
Term
What kind of weather does Maritme Tropical or mT bring in?
Definition
Warm
Lots of Moisture
and
Not Stable
Term
Which one of the air masses cP Contential Polar cT contential tropical mP martime polar or mT marime tropical has the greatest effect on North America?
Definition
Martime Polar
or
mP
Term
What happens?
With Warm Fronts
Definition
Warm air moves in to a area previously occupied by cold air
Term

What happens?
With cold fronts?

Definition
When cold dense air moves in to a region previosuly occupied by warm air!
Term

What happens?
With Staionary Fronts?

Definition
Surface Postion of front does not move
Term

What happens?
With Occuled Fronts?

Definition
Active cold front takes over a cold front!
Term

What kind of weather does a warm front have?

Definition
Light Rain
Slowly Gets Warm
Term

What kind of weather does a cold front have?

Definition
Gusty Winds and Heavy Rain
Term

What kind of weather does a staionary front have?

Definition
Gentle Rain
Term

What kind of weather does a occuled front have?  

Definition

RAIN

Term

Out of these choices which one is a warm front map’s symbol

Definition

A

Term

Out of these choices which one is a  cold front map’s symbol

Definition

B
Term

Out of these choices which one is a stainoary map’s symbol

Definition

C

Term

Out of these choices which one is a occuled map’s symbol

Definition

D
Term
When does a thunderstorm form
Definition
When warm air rises in a unstable enviorment
Term

What clouds do thunderstorms form under?

Definition
Cummonlois
Term
A tornado is a rotating collum of air called a
Definition
Vortex
Term
What is the name of a tropical cyclone here?
Definition
Hurricane
Term
What is a tropical disturbiance?
Definition
Preasure Area over ocean with warm moist air that lasts at least 24th percent perciptation and low wind
Term

What is the wind speed range of a tropical depression?

Definition
<39
Term

What is the wind speed range of a tropical storm?

Definition
39-73
Term
What is the wind speed range of a hurricane?
Definition
74-156+
Term

A hurricane has three parts a eye wall a eye and rain bands what is the very middle of the hurricane called?

Definition
Eye
Term

A hurricane has three parts a eye wall a eye and rain bands what is the circle around the eye called

Definition
Eye Wall
Term

A hurricane has three parts a eye wall a eye and rain bands what is around the eye wall?

Definition

Rain Bands

Term
Definition
Term
What is a storm surge
Definition
A storm surge is the dome of water 60 to 80 kilometers wide that sweeps across the coast when a hurricane falls on shore
Term
As the category of a hurricane increases the wind speed (increases decreases) and the surface preasure (increases and decreases)
Definition
I dont know
Term
Definition