ASSIGNMENT 1
Textbook Assignment:
“Upper-Air Observations” and "Bathythermograph Observations," chapters 1 and 2,
pages 1-1 through 2-12.
1-1.
1-2.
1-3.
1-4.
1-5.
Upper-air observations measure what two
levels of the atmosphere?
1-6.
What is the ideal ascension rate, in feet per
minute, for a meteorological balloon?
1.
The troposphere and stratosphere
2.
The troposphere and mesosphere
3.
The stratosphere and mesosphere
4.
The mesosphere and thermosphere
What type of upper-air observation
evaluates pressure, temperature, humidity,
and wind direction and speed?
1-7.
1.
395 to 1,640 fpm
2.
600 to 1,000 fpm
3.
900 to 1,000 fpm
4.
950 to 1,550 fpm
Of the following gases, which one is
recommended for inflating meteorological
balloons?
1.
Radiosonde
1.
Helium
2.
Rawinsonde
2.
Natural gas
3.
Pibal
3.
Hydrogen
4.
Rocketsonde
4.
Oxygen
What type of upper-air observation is used
to measure lower-level winds only?
1-8.
How much helium is required to achieve a
700-gram free-lift weight for a 100-gram
balloon?
1.
Radiosonde
2.
Rawinsonde
3.
Rabal
4.
Pibal
1. 25 cubic feet
2. 40 cubic feet
3. 50 cubic feet
4. 65 cubic feet
Which of the following publications
contains detailed information on conducting
Rawinsonde and Pibal observations?
1-9.
1.
WMO Publication 306
2.
NAVMETOCCOMINST 3140.1
3.
FMH-1
4.
FMH-3
1-10.
Free lift must be increased during periods
of precipitation or icing?
1.
True
2.
False
Which of the following signals from the
MRS unit indicates high quality reception
from the radiosonde transmitter?
What balloons are best suited for
Rawinsonde observations during strong
winds?
1.
100 gram
2.
300 gram
3.
600 gram
4.
1,200 gram
1.
A steady tone
2.
A steady green light
3.
At least one asterisk displayed in the
LCD window
4.
At least five asterisks displayed in the
LCD window
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