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|  CHAPTER THREE
AVIATION WEATHER
10.
In each cell of the table below, circle the correct characteristics of each of the types of
fronts. This is similar to a multiple-choice question where matching a column heading with a
row heading forms the question and the alternatives are listed in the intersecting cell.
Speed of
Temper-
Turbulence
Color
Pressure
Direction of
Type of
Cloud Types
Wind Shift
Movement
ature
Conditions
Code
Change
Movement
Front
(kts)
Change
SE to SW
SE
0 to 5
Red
Warmer
Rises then
Stratiform
Smooth
Falls
SW to NW
NE
15
Blue
Warm
Colder
Cumuliform
Rough
Front
Falls then
SE to NW
NW
20
Purple
Either
Rises
Combination
Combination
180
None
25
R&B
SE to SW
SE
0 to 5
Red
Warmer
Rises then
Stratiform
Smooth
Falls
SW to NW
NE
15
Blue
Cold
Cumuliform
Rough
Colder
Front
Falls then
SE to NW
NW
20
Purple
Combination
Combination
Either
rises
None
25
R&B
180
0 to 5
Red
SE to SW
SE
Stratiform
Smooth
Warmer
Rises then
Falls
Blue
SW to NW
NE
15
Warm
Cumuliform
Rough
Colder
Front
Falls then
SE to NW
NW
20
Purple
Occlusion
Either
rises
Combination
Combination
180
None
25
R&B
SE to SW
SE
0 to 5
Red
Warmer
Rises then
Stratiform
Smooth
Falls
SW to NW
NE
15
Blue
Cold
Colder
Cumuliform
Rough
Front
Falls then
SE to NW
NW
20
Purple
Occlusion
Either
rises
Combination
Combination
180
None
25
R&B
SE
0 to 5
Red
SE to SW
Smooth
Warmer
Rises then
Stratiform
Falls
Blue
SW to NW
NE
15
Stationary
Colder
Cumuliform
Rough
Front
Purple
SE to NW
Falls then
NW
20
Combination
Combination
Either
rises
None
25
R&B
180
3-22 Mechanics of Frontal Systems
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