Module Assignment week 3

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Lynn University *

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102

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Geography

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Feb 20, 2024

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docx

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Module Assignment: Week 3 Falah Khan Lynn University Instructor: Dr. Jennifer Torres Course: AVS 226 Due: 1/25/2024

1. Review the below NOAA Link on What a is Jet Stream and the AOPA Article on the Lowdown on Jet Streams. Discuss how jet streams impact air travel and takeaways from the AOPA article. Jet streams are defined When warm and cold air masses collide in the atmosphere, jet streams are created. For instance, the article titled “What Is the Jet Stream?” infers on how jet streams affect air passage since they are found in the mid-to-upper troposphere, the part of the atmosphere that houses our atmosphere where we breathe and live, five to nine miles above the planet's surface. The mid-to-high troposphere is also where airplanes operate. Therefore, an aircraft can receive a boost if it is flying in the same direction and is in a strong jet stream. For this reason, an airplane flying from west to east may usually reach its destination faster than one going from east to west (n.d, n.d, para. 7). Furthermore, the article titled “Weather: The lowdown on jet streams” by Jack Williams talks about another jet stream known as low-level. For example, Williams states that Low-level jet streams can occur as low as a couple of hundred feet above the surface, as their name suggests. Low-level jets are most frequently found in the United States during the spring and summer months when they are blowing across the Great Plains from the Mississippi Valley and toward the Rocky Mountains (Williams, 2018, para. 2). As we can see from these two articles, low-level jet streams are winds that occur within the boundary layer closer to the Earth's surface. In contrast, jet streams occur at the upper layers of the troposphere. 2. Explain an adverse wind type from Chapter 10 and how the airplane is affected. For instance, the FAA Aviation Weather Handbook infers that winds that are blowing against the direction of the aircraft, or crosswinds, have a major influence on air navigation, especially

upon takeoff and landing. For optimal performance, the aircraft must take off and land facing the wind. It reduces the runway needed for liftoff, minimizes ground, and gives the pilot more time to make corrections. On the other hand, strong crosswinds impair the aircraft's ability to control its direction. If the pilot fails to provide adequate compensation, the aircraft can veer off the runway, encounter side loading on the landing gear, or, in severe situations, encounter landing gear collapse (n.d, 2022, Ch. 10, para. 44). 3. Explain two types of fronts described in Chapter 11. Can you describe a recent newsworthy weather front discussed in national or regional news? The two types of fronts that the FAA Aviation Weather Handbook helps to explain are warm and cold fronts. For example, the article titled “Warm and Cold Fronts” by Mike Mihalik expresses that the border between the warm and cold air masses in a cold front setup is often quite steep, which causes the warm air mass in front of it to climb quickly. Showers and thunderstorms are caused by the energetic, billowing cumulonimbus clouds that are created by the rising air. Following the passage of the cold front, the sky usually clears quickly and the incoming cold air lowers the temperature (Mihalik, 2020, para. 3). On the other hand, a warm front causes the border between warm and cold air to become more gradual than it is during a cold front, which allows warm air to rise more slowly and clouds to spread out into gloomy, foggy stratus clouds. Precipitation frequently condenses into a wide band consisting of constant rain or snow as it falls ahead of a warm front. After the warm front passes through, it is usually fair and milder, but a cold front is most likely approaching (Mihalik, 2020, para. 3). One particular article that talks about the recent cold fronts in the U.S. For example, the article titled “Arctic blast to bring 'life-threatening' cold to parts of the U.S. as snow is expected to cause travel headaches” by Chantal Da Silva states that according to the National Weather

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