Millibar Study guides, Class notes & Summaries

WX 201 Exam 2 with correct Answers (Graded A) An unsaturated air parcel cools or warms at what rate? Dry adiabatic lapse rate (DALR) A saturated air parcel cools or warms at which rate? Moist adiabatic rate (MALR) If the environmental lapse rate is greater than the dry adiabatic rate, the atmosphere is: Absolutely unstable Surface cooling and warm air advection aloft generally do what to the atmosphere? Make it more stable An air parcel starts to rise freely when it firs...

WX 201 Unit 3 Test Questions With Correct Answers 100% Verified. Zonal flow wind-flow patterns are associated with - answerwest-to-east flows The wind around a surface high pressure center in the Northern Hemisphere blows - answerclockwise and outward from the center. The unit of pressure most commonly found on a surface weather map is - answermillibars or hectopascals The pressure gradient force is directed from higher pressure toward lower pressure - answerat all places on Earth In an...

Which layer of the atmosphere does weather occur? Troposphere relative humidity The amount of water vapor in the air compared to the amount of water vapor the air can actually hold. How do you measure relative humidity? Psychrometer air pressure Weight of the air What causes differences in air pressure? Humidity and Temperature What is an air mass? A body of air with temperature, humidity, and pressure. What determines the conditions of an air mass...

WX 201 Exam 3 with correct Answers The contour lines drawn on a 500 mb chart are lines of constant height The unit of pressure most commonly found on a surface weather map is millibars or hectopascals Isobaric surfaces are ____ in warm, less-dense air and ____in cold, more-dense air. higher; lower Because of friction, surface winds move ____ winds aloft with the same pressure gradient. more slowly than The pressure gradient force is directed from higher pressure toward l...

A reading of 894 of pressure on a surface weather map actually represents an atmospheric pressure of correct answers 989.4 mb Which satellite image cannot be view at night? correct answers Visible The 300 mb constant pressure level is at a height of around correct answers 30,000 feet what are the three, that is measured in a rawinsonde sounding? correct answers Wind speed and direction, temperature, and Dew Point (T/F) A radar signal travels at the speed of light correct answers True...

Upper-level winds in the middle latitudes of both hemispheres generally blow from ____. - Answer-The west The pressure gradient force is directed from higher pressure toward lower pressure - Answer-at all places on Earth. The Coriolis force acts at a ____ degree angle to the wind. - Answer-90 On a 500 millibar chart, ____ are drawn to represent horizontal changes in altitude which correspond to horizontal changes in pressure. - Answer-Contour Lines The surface pressures at the bases ...

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

temperature - CORRECT ANSWER a measure of the average kinetic energy of an object Farhenheit, celsius, kelvin - CORRECT ANSWER what are the three temperature scales? 1.8 - CORRECT ANSWER a 1 degree change in celsius equals a _________ degree change in Fahrenheit 0.5556 - CORRECT ANSWER a 1 degree change in Fahrenheit equals a ___________ degree change in celsius 1 - CORRECT ANSWER a 1 degree change in Celsius equals a _________ degree change in Kelvin air pressure - CORRECT A...

Temperature - ANSWER-is a measure of the average kinetic energy of the molecules of a substance. Kinetic engery - ANSWER-is the energy an object possesses because of its motion. Pressure - ANSWER-is defined as force per unit area. Millibar - ANSWER-a unit of pressure used extensively by meterorolgists Density - ANSWER-mass per unit volume Wind - ANSWER-air in motion relative to the Earth's surface. Humidity - ANSWER-water vapor in the air Isopleth - ANSWER-generic term for ...

WX 201 Exam 3 with correct Answers The contour lines drawn on a 500 mb chart are lines of constant height The unit of pressure most commonly found on a surface weather map is millibars or hectopascals Isobaric surfaces are ____ in warm, less-dense air and ____in cold, more-dense air. higher; lower Because of friction, surface winds move ____ winds aloft with the same pressure gradient. more slowly than The pressure gradient force is directed from higher pressure toward l...