However, when the tornado and thundercloud hit the mountains they lose the capability to produce large wind gusts and the tornado dies. Study the atmosphere's physical characteristics, motions, processes, and the way it affects the rest of our environment. This includes forecasting the weather. They also apply weather information and meteorological research in air-pollution control, agriculture, air and sea transportation, defense, and the study of trends in the earth's climate such as global warming and ozone depletion. Operate and maintain deep sea merchant ships, tug boats, tow boats, ferries, dredges, research vessels, and other water borne craft on the oceans, in the Great Lakes, in harbors, on rivers and canals, and on other waterways.
Captains supervise the work of the other officers and crew.
They set course and speed, maneuver the vessel to avoid hazards and other ships, and periodically determine position using navigation aids, celestial observations, and charts. They insure that proper procedures and safety practices are followed, check that machinery and equipment are in good working order, and oversee the loading and unloading of cargo or passengers. They also maintain logs and other records of the ship's movements and cargo carried. All rights reserved.