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MTRO 201
N/a
75
Meteorology
Undergraduate 2
12/11/2012

Additional Meteorology Flashcards

 


 

Cards

Term

Layers of Atmoshpere

Bottom to Top

1.

2.

3.

4.

Definition

1. Troposphere

2. Stratosphere

3. Mesosphere

4. Thermosphere

Term

Top 3 Permanent Gases in the Atmosphere

1.

2.

3.

 

Definition

1. Nitrogen 78%

2. Oxygen 21%

3. Argon 1%

Term

Top 2 Variable Gases in Atmoshpere

1.

2.

Definition

1. Water Vapor

2.  Carbon dioxide

Term
When is latent heat consumed or released?
Definition

During phase changes

i.e.  melting, evaporation, melting

Term

3 Main Types of Heat Transfer

 

Definition

1. Radiation

2. Convection

3. Conduction

Term

Meteorological Term for

horizontal Convection...

Definition
Advection
Term

In what region of the EM scale

is the Sun's Peak Emission?

Definition
Visible Light
Term

In what region of the EM scale 

is the Earth's peak emission?

Definition
Infrared Light
Term
How do clouds keep the nights warmer?
Definition

They absorb Sun's radiation during the day.

This energy is emitted back to Earth during

the night.

Term

What causes the day's peak temperature

to be at ~ 4pm?

Definition

Lag.

4pm is when Earth's radiation exceeds insolation.

Term
What is saturation?
Definition

When condensation and evaporation

between water and the atmosphere

is in equilibrium.

Term
Cloud formed over a rising air mass.
Definition
Lenticular Cloud
Term
Undulating cloud formed by a collapsed anvil cloud
Definition
Mammatus
Term
A lenticular cloud formed over a convecting cumulus cloud.
Definition
Pileus
Term
ELR < MALR < DALR
Definition
Absolutely Stable Air
Term
ELR>MALR>DALR
Definition
absolutely unstable air
Term
DALR<ELR<MALR
Definition
conditonally unstable air
Term
Level of the bottom of clouds
Definition

Lifting Condensation Level

LCL

Term
Level where air continues to rise on its own.
Definition

Level of free convection

LFC

Term
Diameter of average Rain Drop
Definition
2 mm 
Term
Size of average cloud droplet
Definition
20 micrometers
Term
__________ cloud droplets = 1 rain drop
Definition
1,000,000 cloud droplets = 1 rain drop
Term
intensity of rain determined by 
Definition
accumulation rate
Term
intensity of snow determined by
Definition
visiblity
Term
where does hail form?
Definition
in areas of intense convection
Term
measures temperature
Definition
thermometer
Term
measures humidty
Definition
hygrometer
Term
measures atmospheric pressure
Definition
barometer
Term
measures cloud cover at ASOS station
Definition
celiometer
Term
measures windspeed at ASOS station
Definition
anemometer
Term
apparent force caused by Earth's rotation
Definition
corriolis effect
Term
upper level winds blow ________ to isobars
Definition
parallel
Term
In N. Hemisphere, winds blow to the __________ of the pressure gradient force PGF
Definition

to the right

~ 30˚

Term

3 cells of convection advection at

0˚, 30˚, 90˚ latitudes

Definition

1. Hadley Cell

2. Ferrell Cell

3. Polar Cell

Term
Atmospheric Level of Jet Stream (mb)
Definition
300 mb
Term
Atmospheric Level of Low Level Jet (mb)
Definition
850 mb
Term

5 Main Types of Air Masses

 

Definition

1. Maritime Tropical

2. Continental Tropical

3. Maritime Polar

4. Continental Polar

5. Continental Arctic

Term

Aleutian Low

Icelandic Low

Siberian High

 

occur in....

Definition
Winter
Term

Bermuda High

Pacific High

Thermal Lows

 

occur in....

Definition
Summer
Term
4 Types of Fronts
Definition

Stationary Front

Warm Front

Cold Front

Occluded Front

Term
Cold over taking a cold front in the norwegian mid latitude cyclone model can lead to a(n) ___________
Definition
occluded Front
Term
What does LI stand for?
Definition

Lifting Index

 

Used to determine air stability

Term
What does CAPE stand for?
Definition
Convective Available Potential Energy
Term
What is considered a "cap" to convection, upward movement in the atmosphere?
Definition

an Inversion.

 

i.e. the stratosphere

Term

3 Stages of Odinary Thunderstorm

Development

Definition

1. Towering Cumulus

2. Mature Stage

3. Dissipating Stage

Term

Duration of typical single cell

Thunderstorm.... ?

Definition
3o Minutes
Term
Long Line of Thunderstorms on the mesoscale
Definition
Squall Line
Term
Straight Line Winds
Definition
Derecho
Term
Sea Breeze
Definition

During the day, air warmed on land rises creating a low.

 This draws in a breeze from the sea.

i.e. Florida

Term

Cool air from a higher elevation falls down to the lowlands.

(Rocky Mountains)

Definition
Katabatic Winds
Term
Calculating Probability of Precipation
Definition
Liklihood of Occurance * Area Like to be affected = PoP
Term
The updraft is rotating and is rather self sustaining in a ____________
Definition
Supercell Thunderstorm
Term
Diameter of Lightning
Definition
~1 inch
Term
Temperature of Lightning
Definition
>30,000 ˚C
Term
rapidly expanding air causes _________
Definition
Thunder
Term

Positive Charge exists in what part

of a cumulonimbus?

Definition
The Anvil Cloud
Term

Negative Charge exists in what part

of a Cumulonimbus cloud?

Definition
The bottom
Term

What is used to measure

Tornado Intensity

Definition
Enhanced Fujita Scale
Term

What causes the high frequency of Tornadoes

in the american midwest

Definition

the moist air of the Low Level Jet

from the Gulf of Mexico

Term
What Direction do Tornadoes Typically move?
Definition
NE
Term
What radar feature is indicitave of a Tornado
Definition
Hook Echo
Term
Minimum Windspeed of a Hurricane ...
Definition
>74 mph
Term

Minimum Windspeed of a 

Category 5 Hurricane ...

Definition
>155 mph
Term

Shear is ______ for the 

development of a Hurricane

Definition
Terrible
Term

Highest Windspeeds are found in the ______

of Northern Hemisphere Hurricanes

Definition
The Right Front Flank.
Term
Name of Hurricanes in the Asian area
Definition
Typhoons
Term

Most Tropical Storms of the North Atlantic

originate as __________

Definition
Saher Storms in Western africa
Term

The Storm Surge of a Hurricane is caused by:

1.

2.

Definition

Low Pressure over Water

THe friction of intense winds

Term
3 NWS offices in South Dakota
Definition

Rapid City

Sioux Falls

Aberdeen

Term
Potential for severe weather leads to ____
Definition
a Watch
Term

Imminent or Occuring Sever Weather leads

to ________

Definition
a Warning
Term

Used for less severe weather

phenomena.

Definition
an Advisory
Term

High wind advisory

 

Definition

winds >40 mph

gusts >57 mph

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