Lab 2a – Meteorology Questions and Answers Latest Version Already Passed

Lab 2a – Meteorology Questions and Answers Latest Version Already Passed What is the name of lines on a weather map that connect points of equal pressure? Isobars What is the name of lines that connect points of equal temperature on a weather map? Isotherms What happens to air pressure as you go higher in the atmosphere? It decreases What does a tightly packed set of isobars on a weather map indicate? Strong winds Which direction does air circulate around a low-pressure system in the Northern Hemisphere? Counterclockwise 2 What kind of pressure system is usually associated with stormy or cloudy weather? Low pressure Which type of front occurs when cold air rapidly replaces warm air? Cold front What front typically brings steady rain followed by warmer temperatures? Warm front What is the typical weather behind a cold front? Cooler and drier What kind of cloud is often found along cold fronts? Cumulonimbus What type of front is shown by alternating blue triangles and red semicircles? Stationary front 3 Which weather variable is measured in millibars on surface maps? Air pressure What tool is used to measure air temperature? Thermometer What direction do winds generally flow around a high-pressure system in the Northern Hemisphere? Clockwise What is the standard sea-level pressure used in weather maps in millibars? 1013.25 What is the purpose of correcting surface pressure to sea level on weather maps? To allow fair comparison between locations at different elevations Why does wind move across isobars at an angle instead of parallel? Friction with Earth's surface 4 What instrument helps collect temperature, pressure, and humidity data high in the atmosphere? Weather balloon What causes wind to change direction near Earth's surface? Friction What causes pressure to drop ahead of an approaching low-pressure system? Rising air What weather map symbol represents a cold front? A line with blue triangles What weather map symbol represents a warm front? A line with red semicircles