Of the three types of storms that we learned about, which is the largest? Select
ID: 110492 • Letter: O
Question
Of the three types of storms that we learned about, which is the largest? Select one: a. Mesoscale Convective System b. Ordinary Thunderstorm c. Supercell Which of the following is not a requirement for a thunderstorm to be considered severe by the National Weather Service? Select one: a. hail larger than 1 inch in diameter b. frequent Cloud-to-Ground Lightning c. thunderstorm winds in excess of 58 mph d. a tornado Violent tornadoes account for approximately _____ of all tornadoes and are responsible for _____ of all tornado fatalities. Select one: a. 5%: 85% b. 25%: 13% c. 50%: 95% d. 2%: 70% e. 75%: 90%Explanation / Answer
8. Of the three types of storms that we learned about, which is the largest?
Answer: C. SUPERCELL
Explanation: Supercell storm is largest of the three because they are enormous rotating thunderstorms with well defined radar circulation. Which can last for hours.
9. Which of the following is not a requirement for a thunderstorm to be considered severe by the national weather service?
Answer: B. Frequent cloud-to-ground lightning.
Explanation: According to National weather service a thunderstorm is considered to be severe if it hail larger than 1 inch in diameter, if wind exceeds 58 mph or if it is a tornado. Of all the lightning we observe almost 80% of lightning is sheet(cloud-cloud)lightning, which is not dangerous. While 20% of lightning is cloud-ground which is dangerous.
10. Violent tornadoes account for approximately ____ of all tornadoes are responsible for ____ of all tornado fatalities
Answer: D. 2% ; 70%
Explanation: Tornadoes are categorised basing on Enhanced Fujita scale(EF). And the EF4 and EF5 category Tornadoes are violent. Only 1% of thunderstorms produce tornadoes. The most deadly and destructive tornadoes occur from SUPERCELL. As mentioned above F4 and F5 categories can result in 70 percentage of tornado related deaths.