Aviation Weather Questions and Answers Graded A+

Aviation Weather Questions and Answers Graded A+ Select all characteristics that help define an airmass. Uniform moisture content Uniform Stability Uniform temperature If an airmass is colder then the ground it is moving over it is a classified as a ______________ cold airmass A maritime tropical airmass generally was what characteristics? Warm temperature, high moisture content, high dew point Typically, an advancing cold airmass has what kind of front on the leading edge? Cold front If flying through a warm front at higher altitudes, where will the position of the front aloft be in relation to its surface position? On the cold side of the front Select the 3 conditions that will always change when passing through a front regardless of the type of front. A change in pressure A change in wind direction or velocity A change in temperature While flying a cross country what type of wind conditions might indicate that you are flying towards worsening weather? Continuous left cross wind What what maximum sustained wind speed can a tropical storm be reclassified as a hurricane? 64 or more knots A stable airmass typically presents what characteristics? Poor visibility, not turbulent Which term refers to a circulation with horizontal dimensions of 1 to 1,000 nautical miles? Mesoscale What is not an example of of mesoscale circulation? Jetstream Where is the Hadley circulation cell located? From the equator to 30° latitude. Where are the prevailing westerlies located? Between 30°N and 60°N latitude. What causes the formation of the polar front? The converging surface winds bringing warm air and cold air masses together. What causes the summer monsoon circulation? The lower pressure over the land due to the warmer temps causing a flow of air inward to the land from the ocean. What causes the low precipitation and suppression in cloud formation along the horse latitudes? High pressure caused by diverging surface winds. What is the term that describes smaller scale circulations occuring within larger scale circulations? Embedded circulations