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Atmospheric Sciences 101

Atmospheric Sciences 101. Instructor: Cliff Mass TA: Conor McNicholas. Goals of class. Become knowledgeable observers of the atmosphere Being able to interpret satellite and radar imagery, and weather maps Acquire basic understanding of key atmospheric phenomena

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Atmospheric Sciences 101

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  1. Atmospheric Sciences 101 Instructor: Cliff Mass TA: ConorMcNicholas

  2. Goals of class • Become knowledgeable observers of the atmosphere • Being able to interpret satellite and radar imagery, and weather maps • Acquire basic understanding of key atmospheric phenomena • Use atmospheric phenomena to understand basic physical principles and laws • Become good weather consumers. Best web sites, best weather apps, know what is hype and what is real.

  3. Course Outline Quick Start Mini-Course Introduction. Temperature and its measurement (25-27, 69-75)  Pressure and its measurement (141-148) Wind and humidity (161-164)  Surface weather map  Fronts and cyclones. Upper air observations Upper air charts. Weather satellite imagery  (240-243)Weather radar  (135-137)Identifying clouds (97-107) 

  4. Course Outline The Basics Composition and origin of the atmosphere (1-7)  Vertical structure of the atmosphere (8-13 )Gas laws. Adiabatic warming and cooling (31) Moisture and its measurement (79-90) Condensation, evaporation, and latent heat (91-96, 26-30)  Dew, frost, and fog Stability and instability (112-116)  Cloud development (117-126)  Precipitation mechanisms and weather modification (127-137)Force and motion. Coriolis and pressure gradient forces (148-156) Geostrophic balance. Effects of friction and topography  Radiation laws. Solar and terrestrial (infrared) radiation (31-39, 40-51) Greenhouse effect and global warming  (402-411) Optical phenomena (416-433) 

  5. Course Outline Storms and Weather Systems Global wind systems (184-189) Air masses and fronts (204-213) Midlatitude cyclones and their development (213-229)  Local winds (sea breezes, mountain/valley winds) (170-182) Thunderstorms (263-282)  Tornadoes (283-295)  Hurricanes and tropical meteorology (300-324)   Weather Forecasting Weather forecasting (235-253)  Personal weather forecasting; how to find reliable weather data on the net.  Northwest Weather Weather of the Pacific Northwest: an overview  Northwest windstorms and snowstorms Additional Topics El Nino/ENSO and it local/global effects (192-198)Air pollution and the ozone hole  

  6. Books • No required book, but there are good supplementary books • Don’t want you to spend a fortune • Will deepen your learning and help clarify material if you follow along in one of the recommended books • Two possibilities • Hakim/Patoux: Weather, A Concise Introduction • Ahrens: Meteorology Today, Weather, Essentials of Meteorology

  7. Class web site: All Materials Are Found Herehttps://atmos.washington.edu/~cliff/ATMS101A2017.html Check at least once per week

  8. Grading Grading:Midterm: 25%;  Quizzes:  25%;Homework/Labs, 25%;  Final exam, 25%.   Exam Schedule:Mid-Term Exam: To be announcedFinal Exam: Monday, December 11, 2017, 830-1020, KNE 210 Homework:    There will be five homework assignments--the lowest grade will be dropped.Homeworks will be due at the beginning of class on the dates specified.  No late homework will be accepted.  Quizzes:    There will be five quizzes given in section.  The lowest quiz grade will be dropped.  There will be no quiz during the first week, the week before the midterm, the week of the midterm, and the last week. Extra credit available for those in the forecast competition (more on this later).  

  9. More • Each class will generally be divided into: • 10 minutes weather discussion • 40 minutes lecture • Office hours, etc. • Conor will have specified office hours (to be announced) • Both Conor and I will be happy to have office hours by appointment • Questions?

  10. Meteorology • Meteorology from • Meteoron –Greek for phenomenon or thing in the sky • ology—study of • the branch of science concerned with the processes and phenomena of the atmosphere • Atmospheric Sciences is basically the same thing.

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