Question 1

Describe the seasons that you would experience at two widely different locations on Earth. How might seasonal variations affect a region's culture and traditions?

Accepted Answer

The answer of Describe the seasons that you would experience...

Question 2

Suppose the temperature at night is going to drop to -5°C, and a fairly stiff wind is predicted. Assuming that cost is not a factor, which of the following methods is probably the best way to protect an orchard against a hard freeze?

Accepted Answer

A) Use helicopters. 
B) Use wind machines. 
C) Put orchard heaters to work. 
D) Sprinkle the crops with water.

Question 3

Why does the warmest weather in middle latitudes normally occur several weeks after the summer solstice?

Accepted Answer

The answer of Why does the warmest weather in middle...

Question 4

Suppose the air temperature is -5°C, the wind is blowing at 55 km/h, and the wind chill temperature is -15.3°C. Which of the following temperatures and wind speeds are equivalent to these conditions?

Accepted Answer

A) a -10°C air temperature and 10 km/h wind 
B) a 0°C air temperature and 45 km/h wind 
C) a 10°C air temperature and 60 km/h wind 
D) a 5°C air temperature and 60 km/h wind

Question 5

Suppose the minimum temperature reported in the newspaper is 2°C, but you notice ice crystals (frost) on the grass in the morning. Which of the following describes the most likely reason for this apparent discrepancy?

Accepted Answer

A) Temperature readings were taken in shelters more than 1.5 metres above the ground. 
B) The newspaper reported the wrong temperature. 
C) The thermometer was read before the minimum temperature was reached for that day. 
D) The thermometer was in error.

Question 6

Referring to the diagram, sunlight energy is added at equal rates to soil and water. Which of the following factors contributes to the different temperatures of the two surfaces?

Accepted Answer

A) angle of the sun on the horizon 
B) heat capacity 
C) composition of the overlying atmosphere 
D) time of the year

Question 7

Consider the scenario in which peas are planted in Ontario on May 1. If the peas need 1200 growing degree-days before they can be picked, and if the mean temperature for each day from May to July is 21°C, in about how many days will the peas be ready to pick? (Assume a base temperature of 4°C).

Accepted Answer

A) 70 
B) 30 
C) 120 
D) 40

Question 8

In the Northern Hemisphere, which of the following days has the fewest hours of daylight?

Accepted Answer

A) autumnal equinox 
B) summer solstice 
C) winter solstice 
D) vernal equinox

Question 9

During which of the following months does Indian summer most likely occur?

Accepted Answer

A) August 
B) June 
C) October 
D) December

Question 10

Under which of the following conditions do the strongest radiation inversions occur?

Accepted Answer

A) clear skies 
B) precipitation 
C) partly cloudy skies 
D) overcast skies

Question 11

Explain why highest summer temperatures usually occur over desert regions as opposed to humid areas with more vegetation.

Accepted Answer

The answer of Explain why highest summer temperatures usually occur...

Question 12

In which of the following circumstances is a radiation inversion most commonly observed?

Accepted Answer

A) in the upper atmosphere 
B) during the afternoon 
C) just above the ground 
D) at sunset

Question 13

Assume that the night will remain clear, calm, and unsaturated, and the predicted minimum temperature is 0°C. Suddenly the wind speed increases and remains gusty throughout the night. What would be the most likely minimum temperature?

Accepted Answer

A) higher than predicted due to mixing 
B) much lower than predicted due to radiational cooling 
C) about the same as predicted, but occurring earlier in the night 
D) higher than predicted due to the release of latent heat

Question 14

In meteorology, which of the following defines "insolation"?

Accepted Answer

A) a well-constructed, energy-efficient home 
B) the solar constant 
C) incoming solar radiation 
D) an increase in solar output

Question 15

At Lima, Peru (latitude 12°S), on which of the following days is the sun overhead?

Accepted Answer

A) March 10 
B) February 4 
C) August 15 
D) December 22

Question 16

At which of the following locations are the days and nights of equal length all year long?

Accepted Answer

A) at latitude 66.5° 
B) at latitude 23.5° 
C) at the equator 
D) at latitude 44.5°

Exam 3: Seasonal and Daily Temperatures