An accurate forecast:a.
always shows skill.
b. may or may not show skill.
c. never shows skill.
d. requires complex computer equipment
Question 2Which of the following is presently a problem with modern-day weather predictions?
a. computer forecast models make assumptions about the atmosphere that are not always correct.
b. there are regions of the world where only space observations are available.
c. computer models do not always adequately interpret the surface's influence on the weather.
d. the distance between grid points on some models is too large to pick up smaller-scale weather
features such as thunderstorms.
e. all of the above
Question 3A probability forecast that calls for a 40 percent chance of rain means that:a.
there is a 40 percent chance that it will not rain within the forecast area.
b. there is a 40 percent chance that any random place in the forecast area will receive measurable
rain.
c. it will rain on 40 percent of the forecast area.
d. it will rain during 40 percent of the time over the forecast area.
Question 4Suppose that where you live the middle of January is typically several degrees warmer than the
rest of the month. If you forecast this January thaw for the middle of next January, you would
have made a:
a. forecast based on the analogue method.
b. persistence forecast.
c. forecast based on weather types.
d. probability forecast.
e. climatological forecast.
Question 5A forecast method that compares past weather maps and weather patterns to those of the presentis:a.
persistence forecasting.
b. the analogue method.
c. the trend method.
d. nowcasting
Question 6By examining a surface map, the movement of a surface low pressure area can be predicted based
upon the:a.
orientation of the isobars in the warm sector.
b. region of greatest pressure decrease.
c. movement during the previous 6 hours.
d. all of the above
Quick Reply
