Making and Using Tables Research at least ten hurricanes that have occurred throughout the world since 1980. Based on the Saffir-Simpson scale, make a data table showing wind speed, air pressure in the center, and property damage associated with each hurricane. For more help, refer to the Skill Handbook.

What is the first stage of a lightning bolt?

a. return stroke

b. stepped leader

c. positive charge

d. downdraft

Suppose that you live on the eastern coast of the United States and are advised that the centerof a hurricane is moving inland $70 \mathrm{~km}$ north of your location. Would you predict that a storm surge will be a major problem in your area? Why or why not?

Use the following phrases to complete an events-chain concept map about the life cycle of a thunderstorm. For more help, refer to the Skill Handbook.

Using Table 13-6, estimate the heat index for air with a temperature of $80^{\circ} \mathrm{F}$ and relative humidity of 90 percent.

If the time between when you see lightning and hear thunder is increasing, a storm is moving away from you. Why is this true?

Why are some thunderstorms more severe than others?

What is the wind-chill factor? What does the wind-chill index measure?

What two conditions must exist for a tropical cyclone to form?

During what stage of a tropical cyclone does an eyewall develop?

a. tropical depression

b. tropical storm

c. hurricane

d. tropical wave

In the tropics, where the tropopause is higher than in other areas, cumulonimbus clouds commonly reach towering heights of $15000 \mathrm{~m}$. Why is the height of the tropopause a factor in how tall a cumulonimbus cloud can grow?

Compare and contrast a cold wave and a heat wave.

What type of front would you expect to be associated with flooding? Why?

Flooding is most likely to take place because of rains associated with what type of front?

a. stationary front

b. occluded front

c. cold front

d. warm front