Enter your Name:   Enter your E-mail Address:  01. Define the following terms: a. Updraft b. Insulator 02. The same cloud precipitates snow on a mountain and rain in the nearby valley. Does the Bergeron process or the collision-coalescence theory best describe the process causing precipitation from that cloud? 03. What is the dew point? What two factors influence it? 04. A thunderstorm cell is raining, and there is no updraft. In what stage is the thunderstorm cell? Will there be hail at this point in the thunderstorm? 05. If the mature stage of a thunderstorm lasts for 30 minutes maximum, why can thunderstorms rain heavy sheets of rain for several hours? 06. Why don't you see lightning from nimbostratus clouds? 07. What happens first in a lightning bolt: a return stroke or a stepped leader? 08. How does lightning cause thunder? 09. Is it possible for sheet lightning to strike a person? 10. A tornado is in its organization stage. Has it touched the ground yet? 11. What differentiates a tropical storm from a tropical disturbance? 12. Where is the safest place in a hurricane? Given the following weather map, answer questions 13 - 16. 13. Is the atmospheric pressure in Houston, TX higher, lower, or equivalent to that in Atlanta, GA? 14. Is the atmospheric pressure in Chicago, IL higher, lower, or equivalent to that in New York, NY? 15. What city listed on the map might have been experiencing thundershowers at the time this map was drawn? 16. What city listed on the map should expect warmer weather?