Average Meteorology

15 Points Per Correct Answer - No time limit  

1. Which surface absorbs the most sunlight? Dense Forests Grassy Fields Snow Dry Sand

2. What weather-related reason is the leading cause of aircraft accidents? Downbursts (Microbursts) Updrafts Reduced visibility due to snow/rain Tornadoes

3. Which fact about tornadoes is not true? A waterspout is a tornado over water Like hurricanes, tornadoes in the southern hemisphere always spin clockwise The most favorable month for tornadoes is May The scale used to measure tornado destructiveness is called the Fujita-Pearson Tornado Scale

4. At what time of day are noctilucent clouds visible? Answer: (One Word- look at the prefix)

5. What criteria must be met for a snowstorm to be rightfully called a blizzard? Constant wind gusts of 50 mph or more, AND visibility below 1/2 mile, AND more than 12 inches of snow must fall. Constant snow for more than 12 hours Heavy snow, hurricane force winds, and visibility under 1/8 of a mile Constant winds or gusts of 35 mph or more, AND visibility below 1/4 mile with heavy snow and/or blowing snow, AND all of these things must last for at least 3 hours.

6. Which type of front moves the fastest? (on average) Stationary Front Warm Front Cold Front The speed of a front is not known

7. The process of a cloud droplet becoming large enough to fall out as rain is called...? Evaporation Saturation Incandescence Coalescence

8. Are there any glaciers in the USA east of the Mississippi River? Yes No

9. What is the highest wind gust ever to be recorded over land? If it helps, this record took place on the summit of Mount Washington, NH. 281 mph 203 mph 231 mph 334 mph

10. What is it called when the air is so dry, that precipitation evaporates before it reaches the ground? Radiation Advection Early Evaporation Virga