Atms 100 Exam 3 Uiuc Questions With Verified Answers

What are the names and relative intensities of tropical cyclones in the Atlantic Ocean? {Ans: Tropical Disturbance/Tropical Wave: cluster of showers and thunderstorms Tropical Depression: tropical cyclones with winds less than 39mph (34 knots) and a closed circulation Tropical Storm: Tropical cyclone with winds between 40 and 73 mph (34-64 knots) Hurricane: Strong tropical cyclone with winds greater than 74 mph (65 knots) and eyewall development}What are straight-line winds? How do they form? {Ans: Intense winds blowing in the same direction over an area Results after downburst reaches ground}How do ordinary thunderstorms dissipate? {Ans: }What are the two components of MCS structure as seen by radar? {Ans: Convective zone (line of thunderstorms just behind gust front) and stratiform region (large area of light to moderate rain found behind convective zone)}What is the Gulf Stream? {Ans: }How can the atmosphere be stabilized and unstabilized? {Ans: Unstable when Warm and moist air near surface Cold aloft Temperatures cool rapidly with height Rising parcel more likely to be warmer than environment Most unstable in late afternoon Stable when Cool or dry air near surface Warm aloft Temperature cools slowly with height Inversions are very stable Most stable