<p> Severe Weather Web Quest</p><p>Name ______Period ______Due Date ______Earth Science</p><p>TORNADOES</p><p>Click on the website: http://environment.nationalgeographic.com/environment/natural-disasters/forces-of- nature/</p><p>Once you get to this site, click on the “Tornadoes” icon. Be sure the number “1” is dark gray then read the information in the gray box about tornadoes.</p><p>1. What is a tornado? ______</p><p>2. Which state has the most twisters per year? ______</p><p>How many occur per year? ______</p><p>Click on the #2. Read the information in the gray box, and answer the following questions.</p><p>3. What are supercells? ______</p><p>4. Where do most tornadoes in America occur? ______</p><p>5. Why do most tornadoes occur in the late afternoon? ______</p><p>Click on the “Next” button to zoom in to see a tornado.</p><p>6. When do tornadoes form? ______</p><p>7. What is an updraft? ______</p><p>8. Why would it start to rotate? ______</p><p>9. Before the storm turns into a tornado, what type of cloud does it become? ______</p><p>Click on the #3. Read the information in the gray box, and answer the following questions.</p><p>10. What kind of weather accompanies tornadoes? ______</p><p>Click on “see tornado damage at the bottom of the text.</p><p>11. How does the Fujita scale measure tornado intensity? ______Move around the Fujita scale to see the effects tornadoes of different intensities have.</p><p>Click on the #4 to see a video of a tornado passing.</p><p>Click on the #5 to answer the following question. You will have to scroll down to answer the next question.</p><p>12. What is the difference between a tornado watch and a tornado warning? ______</p><p>Click on #6 to make a tornado.</p><p>13. What conditions are perfect for making a tornado? ______</p><p>HURRICANES</p><p>Now, you are moving on to “hurricanes.” Click on the hurricane symbol above the numbers, and begin.</p><p>1. How many mph must winds be going in order for a tropical storm to be a hurricane? ______</p><p>2. Where do hurricanes form? ______</p><p>3. Where do cyclones form? ______</p><p>4. Where do typhoons form? ______</p><p>Click on #2, and read the information. Click the “next” button when you are done. </p><p>5. Does the eye of the hurricane have HIGH or LOW pressure? ______</p><p>6. Where are the most violent winds in the hurricane? ______</p><p>Click on the #3.</p><p>7. In the northern hemisphere, hurricanes always turn how? ______</p><p>8. In the southern hemisphere, they always turn how? ______</p><p>Play with the image of the hurricane to see a 3-D image.</p><p>Click on the #4. </p><p>9. All of the rain from hurricanes can cause what to occur? ______</p><p>10. What is a storm surge? ______</p><p>Click on the #5. Read the information, and watch the video. Click on the #6.</p><p>11. What is the difference between a hurricane watch and a hurricane warning? ______</p><p>Click on the #7.</p><p>Create 5 hurricanes.</p><p>12. Which category creates the most damage? ______</p><p>What factors? ______</p><p>Which location? ______</p><p>13. Which category creates the least damage? ______</p><p>What factors? ______</p><p>Which location? ______</p><p>THUNDERSTORMS Go to http://www.srh.noaa.gov/jetstream/tstorms/ingredient.htm</p><p>1. List the 3 ingredients necessary for a thunderstorm. ______</p><p>______</p><p>______</p><p>2. Where are the 2 moisture sources for thunderstorms in the Southeastern United States? ______</p><p>Click on “Life cycle of a Thunderstorm”</p><p>3. The thunderstorm cell has a distinct life-cycle that lasts about ______minutes.</p><p>4. What are the three stages in the life cycle of a thunderstorm?</p><p>1.______2. ______3. ______</p><p>5. Which is the most dangerous stage when hail, tornadoes, damaging winds and flash flooding may occur?</p><p>______</p><p>Click on “Types of Thunderstorms”</p><p>6. What is a squall line? ______7. What type of thunderstorms are responsible for nearly all of the significant tornadoes in the U.S.? ______</p><p>Click on Next: Thunderstorm Hazards: Hail</p><p>8. Which states have the most hail storms? ______</p><p>9. What are four potential hazards of thunderstorms? ______</p><p>10. In a typical year, how many tornadoes will strike the U.S.? ______</p><p>Watch the short video of the train meeting the tornado. (Thunderstorms Hazards – Tornadoes Page)</p><p>11. What is the saying you should think about when coming to a flooded roadway? ______</p><p>BLIZZARDS Go to http://www.ussartf.org/blizzards.htm</p><p>1. How does the National Weather Service define a blizzard? ______</p><p>2. The amount of cooling one “feels” due to the combination of wind and temperature is the______</p><p>3. List four dangers of blizzards. ______</p><p>4. What do we call a blizzard that moves up the east coast from the Mid-Atlantic to New England? ______</p><p>Read about how to stay safe in your home or vehicle during a winter storm.</p><p>Scroll down to “Keep Ahead of the Storm” </p><p>5. What does it mean if each of the following is issued?</p><p>Winter Storm Watch - ______</p><p>Winter Storm Warning- ______</p>