Correct
The ______portion of the spectrum accounts for the largest proportion of the sun's rays
which reach our atmosphere.
ultraviolet
infrared
visible - ANSWER visible
The sun is directly overhead the tropic of Cancer on approximately which date?
Dec 21
Sept 22
June 21
Mar 22 - ANSWER june 21
The sun is directly overhead the tropic of Capricorn on approximately which date?
Dec 21
Sept 22
June 21
Mar 22 - ANSWER dec 21
The winter solstice is the _______ day in the northern hemisphere.
longest
shortest - ANSWER shortest
The spring (or vernal) equinox occurs on _____.
Dec 21
Sept 22
June 21
Mar 22 - ANSWER mar 22
At night the ocean cools more ______ and during the day it warms up more _______
than the adjacent land.
quickly; quickly
quickly; slowly
slowly; quickly
slowly; slowly - ANSWER slowly, slowly
All else being equal, a cloudy night will be _________ than a clear night.
cooler
warmer - ANSWER warmer
,The word "diurnal" means_____. - ANSWER daily
The most effective conductive transfer of energy is ________________
ground-to-
air
Air-to-air - ANSWER ground to air
32°F = ____°C - ANSWER 0
59°F = ____°C - ANSWER 15
212°F = ____°C - ANSWER 100
The surface air temperatures over the continents are, on average, ______ than nearby
oceans in wintertime and ______ in summertime.
colder; warmer
colder; colder
warmer; colder
warmer; warmer - ANSWER colder; warmer
Pole-to-equator temperature gradients are stronger in the ________.
Summer
Winter - ANSWER winter
A line joining points of equal temperature is called an______.
isotherm
isotach
isobar - ANSWER isotherm
The primary cause of all changes in the Earth's weather is
movement of the air masses
changes in air pressure over the earth's surface
variation of solar energy received by the earth's regions - ANSWER variation of solar
energy received by the earth's regions
Every physical process of weather is accompanied by or is the result of,
A pressure differential
the movement of air
A heat exchange - ANSWER a heat exchange
When does minimum temperature normally occur during a 24 hour period?
About 1 hour before sunrise
At midnight
, After sunrise - ANSWER after sunrise
The approximate atmospheric pressure at the 2,000' MSL level on a standard day is
______in of Hg.
29.72
29.92
27.92
28.92 - ANSWER 27.92
Isobars are spaced ____ mbs apart on Surface Analysis Charts. - ANSWER 4
Altimeter settings in METARs give ______.
station pressure
MSL pressure . - ANSWER msl pressure
An elongated region of high pressure is called a ____ and an elongated region of low
pressure is called a ____.
trough; ridge
ridge; trough
trough; ridge
ridge; ridge - ANSWER ridge, trough
Isobars which are close together indicate a ______ pressure gradient.
weak
strong - ANSWER strong
"________ altitude" is the altitude of a given pressure surface in the standard
atmosphere and is "indicated" altitude when the altimeter is set to 29.92" Hg.
Pressure
Absolute
Indicated
True - ANSWER pressure
"_______ altitude" is the actual altitude above ground
Pressure
Absolute
Indicated
True - ANSWER absolute