4-37.
When arrows are drawn for wave
directions, swell-wave directions are
indicated by a "wavy" arrow from the
station circle pointing toward the reported
direction.
1. True
2. False
4-38.
On the Skew T, Log P diagram, what is the
orientation of isotherms?
1. Horizontal
2. Vertical
3. Right-diagonal
4. Left-diagonal
4-39.
The saturation-adiabatic lapse rate is the
rate at which
1.
moist air cools as it rises
2.
dry air cools as it rises
3.
saturated air cools as it rises
4.
actual air in the atmosphere cools as it
rises
4-40.
What do the dashed, right-diagonal green
lines represent on a Skew T, Log P
diagram?
1. Mixing ratio
2. Isobars
3. Saturation adiabats
4. U.S. standard atmosphere
4-41.
When adding a pressure altitude scale to a
Skew T, Log P diagram, altitude values are
added to the isotherms so that each 10°C
change in temperature equals how much of
an altitude change?
1.
100 meters
2.
1,000 meters
3.
1,500 meters
4.
10,000 meters
4-42.
In which of the following parts of the
TEMP SHIP code would you find
temperature and dew-point information for
756 hPa?
1. Part A
2. Part B
3. Part C
4. Part D
4-43.
When you are plotting only the current
upper-air observation on a Skew T, Log P
diagram, what color(s) should you use?
1.
Blue for all plots
2.
Red for all plots
3.
Red for temperature, blue for dew
point, black for pressure altitude
4.
Red for temperature, black for dew
point, blue for pressure altitude
4-44.
Of the three digits reported in the TEMP
codes for the altitude of each pressure level,
which of the following levels is prefixed
with a "1" and suffixed with a "0" to obtain
the altitude in meters?
1.
850-hPa
2. 700-hPa
3. 300-hpa
4. 250-hpa
4-45.
Which of the following symbols is used to
indicate a temperature plot on a Skew T,
Log P diagram?
1.
Triangle
2. Circle
3. Square
4. Diamond
4-46.
What is the actual dew-point depression
given a code figure of 57 in the Upper Air
code?
1. 5.7°F
2. 7.0°F
3. 5.7°C
4. 7.0°C
33
