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* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Bell Ringer Answers 11-15-10 1. Small changes in the atmosphere today can cause large changes in the future. 2. Computers, weather maps, satellites, radar, weather stations, and others 3. A line with triangles on the front side. Bell Ringer Answers 11-16-10 1. 2. 3. The air must be cold (at or below the dew point) for water vapor to condense and form clouds. Air at high altitudes is generally colder than air near the surface. Sleet forms when rain falls through a layer of air below O C and freezes into small particles of ice. Hail forms when ice pellets in a cumulonimbus cloud are carried up into the cold region of the cloud by strong updrafts, each time gathering another layer of ice until they are heavy enough to fall to the surface. Snow forms when water vapor in a cloud is converted directly into ice crystals. The prevailing westerlies and jet streams generally move air masses from west to east in the continental United States. Bell Ringer Answers 11-17-10 1. 2. 3. A cold front forms when a fast-moving cold air mass overtakes a warm air mass, forcing the warm air to rise. Floods occur when a stream or river overflows its banks or, in urban areas, when the ground is saturated by heavy rains. Because the storm can no longer get energy from warm ocean water, it weakens and eventually dissipates. Bell Ringer Answers 11-18-10 1. 100% 2. Along cold fronts, dense cold air advances beneath less dense warm air and the warm air is pushed upward along the leading edge of the front. Along warm fronts, warm air rises over denser cool air. 3. The water particle evaporates from the ocean to change from a liquid to a gas. The gas rises and cools, and become liquid again in a process called condensation. When many water droplets collect, clouds form. Eventually, the droplet becomes larger and heavier and falls back to Earth as precipitation. Bell Ringer Answers 11-19-10 1. 2. 3. Clouds and precipitation No. The water temperature in these regions is too low for hurricanes to form. Meteorologists cannot accurately forecast the weather a month in advance because of the butterfly effect: A small change in the weather today can mean a larger change in the weather at a later date.