You are in Calgary, Alberta, Canada, 100 km (62 mi) east of the Rockies in January. The current wind is from the north. Looking at a prog for tomorrow, you see that the wind will be from the west, hence tomorrows temperature will be ____ today.
a. warmer than
b. colder than
c. the same as
d. colder and drier
e. the same but more humid than
Q. 2A blocking high is a
a. high pressure system and accompanying ridge that changes location quickly.
b. high pressure system and accompanying ridge that persists in the same location for many days.
c. high pressure system and accompanying ridge that produces torrential rains.
d. ridge associated with a low pressure system.
e. trough associated with a low pressure system.
Q. 3____ tend to steer the movement of surface pressure systems.
a. Cumulus clouds
b. Doppler radar
c. Winds aloft
d. Ensemble forecasts
e. Stationary fronts.
Q. 4A long-range forecast is a forecast that extends beyond about
a. 8.5 years.
b. 8.5 months.
c. 8.5 weeks.
d. 8.5 days.
e. 8.5 hours.
Q. 5Warm advection occurs when the
a. wind veers (changes direction in a clockwise manner) with height.
b. wind backs (changes direction in a counterclockwise manner) with height.
c. isotherms are parallel to the winds.
d. wind veers with height and the isotherms are parallel to the winds.
e. Sun angle is 90 degrees.
Q. 6Which of the following is the least likely to be a forecasters rule of thumb?
a. For short time intervals, mid-latitude cyclonic storms and fronts tend to move in the same direction and at approximately the same speed as they did during the previous six hours.
b. Low pressure areas tend to move in a direction that parallels the isobars in the warm air sector.
c. Lows tend to move toward the region of greatest pressure drop.
d. Highs tend to move toward the region of greatest pressure drop.
e. A chance of rain means that the chance of rain is 30-50 percent.
Q. 7A forecast of chance of precipitation means the probability of precipitation is
a. between 0 and 20 percent.
b. between 30 and 50 percent.
c. between 50 and 60 percent.
d. between 60 and 70 percent.
e. greater than 80 percent.
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