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Welcome to

MET 110

Aviation Meteorology

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Aviation Meteorology

• Purpose: To gain an understanding and respect for weather and its impact on aviation

• The study of weather and climate• The study of weather’s impact on aviation• The available services to aviation to obtain

information on current and future weather.• How to use the weather information.

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Components of Your Grade

• Homework & in class assignments 5%• Quizzes (Every other week) 8%• Flight Plan 21%• Local Climate Description 10%• Lab Assignments 17%• Mid-Term 18%• Final 21%

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HOMEWORKDue On the Day specified

At the BEGINNING

ofCLASS

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Texts• Aviation Weather 3rd Edition by Lester

• Suggested text:Aviation Weather Services

Handbook by FAA and NWS August 1st, 2007 Edition

ac00_45G.pdf AC 00-45G

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Link• Email: william.o’shaughnessy@sjsu.edu

• Class website:• http://met.sjsu.edu/~osh/Metr_110• http://met.sjsu.edu/~osh/Metr_110• Mr. O’Shaughnessy’s Email:• William.O’Shaughnessy@sjsu.edu

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Quick Overview of

Weather

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Causes of Weather(In order of importance)

• Energy from the Sun• The Earth’s Rotation• The Earth’s Revolution and Tilt• Energy from the Earth’s Core

(Volcanic influences)

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Most EnergyComes from the Sun

• A little energy comes from the Earth’s Core• Energy comes from the Sun to the Earth via

Radiation

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Methods of TransferringEnergy

• Radiation: Energy in the form of electromagnetic waves(or photons)

• Conduction: Energy transferred by matter touching other matter.

• Convection: Energy transferred by moving matter: mixing

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Which is the most efficient at Energy Transfer?

• Radiation: Energy in the form of electromagnetic waves(or photons)

• Conduction: Energy transferred by matter touching other matter.

• Convection: Energy transferred by moving matter: mixing

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What Heats theSurface to the Earth?

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What Heats theSurface to the Earth?

•Radiation from the Sun.

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What Heats theAtmosphere?

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What Heats theAtmosphere?

• Hint: Does it usually get warmer or colder as you go up in the atmosphere?

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What Heats theAtmosphere?

• Hint: Does it usually get warmer or colder as you go up in the atmosphere?

• It get colder as you go up.

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What Heats theAtmosphere?

• Conduction:Contact with the Surface

of the Earth.

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Chap 1 Sec. A.

• What gasses are in the Atmosphere?

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Chap 1 Sec. A.

• What gasses are in the Atmosphere?

• Hint: What gas do we need to breathe?

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Chap 1 Sec. A.

• What gasses are in the Atmosphere?

• Hint: What gas do we need to breathe?

• Oxygen

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Chap 1 Sec. A.

• But Oxygen is not the primary gas in the atmosphere?

• What is?• Hint: What element is needed to

make protein?

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Chap 1 Sec. A.

• But Oxygen is not the primary gas in the atmosphere?

• What is?• Hint: What element is needed to

make protein?• Nitrogen

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Chap 1 Sec. A.

• But Oxygen is not the primary gas in the atmosphere?

• What is?• Hint: What element is needed to

make protein?• Nitrogen

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Chap 1 Sec. A.

• How much CO2 is there in the Atmosphere?

• Hint: Probably less than your first guess

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Chap 1 Sec. A.

• How much CO2 is there in the Atmosphere?

• Hint: Probably less than your first guess

•.04 % =.0004

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Chap 1 Sec. A.

• Composition of the Atmosphere:–Nitrogen 78%–Oxygen 21%–H2O 0 to 4%–Argon 0.93%–CO2 0.04%

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Chap 1 Sec. A.

• CO2 The Primary Cause of theGreen House Effect

• Where Does CO2 Come From:

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Chap 1 Sec. A.

• Where Does CO2 Come From:–Fuel Combustion–Volcanic Activity–Burning Plants–Respiration

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Chap 1 Sec. A.

• Where Does CO2 Go:–Plant Fiber: Photosynthesis–Absorption by the Ocean becomes

–Marine Skeletons becomes–Carbonate: limestone

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Lab 1 Part 1

• Contrast:• http://www.weather.com/maps/activity/golf/usli

ghtningstrikes_large.html

• and• http://thunderstorm.vaisala.com/explorer.html

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Lab 1 Part 1 Continued

• What is the primary purpose of both?

• Each one conveys something that the other does not?

• Which way is the storm system near ________ moving?

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Lab 1 Part 2

• What is the location, pressure, cloud cover, temperature, dew point, wind(speed & Dir), and visibility at:

• KSEA, KDEN, KSUX, KDFW, KNUQ, KBWI, KTOL, KPHX

• Hint use Google and Excel• What URL did you use for Wx?