Wx 201 exam 1 - Study guides, Class notes & Summaries

WX 201 Exam 1 |Complete And Graded A+ Meteorology is the study of: The Atmosphere Weather describes the conditions averaged over a region or over a period, whereas climate describes the condition of the atmosphere at a particular time and place. False In ____ near Earth's surface today, nitrogen occupies 78 percent and oxygen nearly 21 percent. The volume of air Atmospheric concentration of helium has increased from below 300 ppm historically to over 400 ppm presently. Fals...

Quiz 1 WX 201 Exam Questions With Verified Solutions. At night, when the weather is extremely cold and dry, atmospheric pressure in the trophosphere - increases with increasing altitude. - remains constant with increasing altitude. - stays the same, then drops suddenly. - first increases, then decreases with increasing altitude. - decreases with increasing altitude. - answerdecreases with increasing altitude. Which of the following is MOST likely associated with fair weather? - a cold ...

WX 201 Exam 1 Questions With Solutions 100% Correct Can you name the variable and permanent gases in the atmosphere? Permanent: Nitrogen, Oxygen, Argon, Neon, Helium, Krypton, Hydrogen; Variable: Water Vapor, Carbon Dioxide, Ozone, etc. What are the characteristics, meteorological importance, and relative concentrations of each gas? Water Vapor: precipitation; energy transport and transformation, 0-4% concentration Carbon dioxide: Warms earth, 0.039 % concentration Ozone: Absorbs Ult...

WX 201 Exam 1 |Complete And Graded A+ Atmosphere Collection of gaseous molecules, small liquid and solid particles Latitude The angular distance along the meridian from the point in question to the equator Tropic of Capricorn 23.5 degrees south Tropic of Cancer 23.5 degrees North Weather atmospheric conditions at any particular place or time Climate Accumulation of weather weekly, monthly, seasonally. "accumulation of weather" Density Mass of anything ...

WX 201 Exam 3 HW #1 & 2 Questions and Answers Upper-level winds in the middle latitudes of both hemispheres generally blow from ____. The west The pressure gradient force is directed from higher pressure toward lower pressure at all places on Earth. The Coriolis force acts at a ____ degree angle to the wind. 90 On a 500 millibar chart, ____ are drawn to represent horizontal changes in altitude which correspond to horizontal changes in pressure. Contour Lines The surface ...

WX 201 UNIT 1 EXAM QUESTIONS AND ANSWERS At night, when the weather is extremely cold and dry, atmospheric pressure... stays the same, then drops suddenly. decreases with increasing altitude. first increases, then decreases with increasing altitude. remains constant with increasing altitude. increases with increasing altitude. - Answer-decreases with increasing altitude. Air molecules are held near Earth by/through... winds in the atmosphere. intermolecular forces. grav...

WX 201 - Exam 1 Questions and Answers Nitrogen and Oxygen The most abundant gases in the earth's atmosphere by volume are... Water vapor Which of the following is considered a variable gas in Earth's atmosphere? Water The only substance near Earth's surface that is found naturally in the current atmosphere as a solid, liquid, and a gas is... Pressure Which weather element ALWAYS decreases as we climb upward in the atmosphere? Air temperature The Earth's atmosphere ...

WX 201 Exam 1 |Complete And Graded A+ Humidity is a measure of the amount of water vapor in the air Which of the following is considered a variable gas in Earth's atmosphere? water vapor Water vapor molecules are invisible The atmospheric concentration of CO2 has risen by about ____ since 1958, when measurements began at Mauna Loa Observatory in Hawaii. about 30% Most human-made impurities found in the atmosphere present a health and environmental hazard. These are cal...

WX-201 Test 1 study guide Exam questions with solutions 100% correct Atmosphere is a mixture of gas molecules, microscopically small suspended particles of solid and liquid, and falling precipitation Meteorology is the study of atmosphere and the processes that cause what we refer to as the "weather" permanent gases those that form a constant proportion of the atmospheric mass Variable Gases those whose distribution in the atmosphere varies in both time and space Homosphere region f...

WX 201 Exam 1 Study Guide|Complete And Graded A+ Variable gasses in the atmosphere CO2 , Water Vapor , O3 (ozone) , CH4(methane) Permanent gasses in the atmosphere Oxygen (O2) , Nitrogen (N2) , Nobel Gasses Characteristics of a variable gas Concentration is changing ; sources and sinks are not consistent Characteristics of a permanent gas Concentration in atmosphere remains constant ; sources and sinks consistent Examples of green house gasses CH4 , CO2 , CFCs , O3 ...