UBC  ATSC 201 - Meteorology of Storms
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Week 212 - 18 Sep 2022
Monday (D1)Finish Homework from previous week.
Be sure your name, student number, and HW# are at top of every page.
Deadline:  Submit a pdf of your homework any time or date BEFORE the start of class, 2 pm Monday Pacific Time,
Morning
Midday
2 PM Pacific Time
Class:
  1. Don't forget to submit your homework electronically before class starts.
  2. Discussion & interaction on topics from S.Ch1.p14-22.
  3. Monday Tutorial/Demo of advanced techniques using Excel for problem solving & graphing.  (fill down, increment down, absolute vs relative references, graphing, axis changing. e.g.,  S.Ch8.A18).
Topics: Basic Thermo & Hydrostatic Relationships, Excel Demo 2.
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Learning Goals
At the end of this section, you should be able to:

  1. Describe the physical concepts behind the equations of state, hydrostatic, and hypsometric, and be able to use them.
  2. Relate the "iso..." names to the atmospheric processes that they represent.
  3. Explain what the virtual temperature represents, & be able to compute it and use it.
  4. Use Excel confidently for most meteorological numerical problems and graphing.

EveningReadings:
  • S.Ch14. Sections 14.0 - 14.1 (but not subsection 14.1.4.2)
Warm-up Questions:
Do quiz W02 D2 online on Canvas.
Topic:   Thunderstorm Characteristics & Types (including Supercells)
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Learning Goals
At the end of this section, you should be able to:
  1. Visually recognize thunderstorms and identify their cloud components.
  2. Describe the stages in evolution of a thunderstorm cell.
  3. Compare & contrast basic storms vs. supercell storms.
  4. Explain how different types of supercell storms work.

Tuesday (D2)
Morning
Midday
Evening
10 PM Pacific Time
Deadline to finish warm-up Qs.
Wed. (D3).
Morning
Midday
2 PM Pacific TimeClass:
  1. Discussion & interaction on topics from readings (bring your clicker).
  2. Tstorm cells:  YouTube Day 1-25 and Day 1-30,

  3. YouTube videos: 2-10, 15, 20, 25, 30, 35, 40
Notes to Instructor:  Bring to class:
- DVD StormWatcher Video


EveningReadings:
  • S.Ch14. Sections 14.1.4.0 & 14.1.4.2  & the INFO box about Derechos on p494.
  • S.Ch8.
    - Read the Remote Sensing intro on p219, and
    - the weather radar Fundamentals section 8.3.1. 
    - On p246 read the one dBZ paragraph containing eq. (8.27)
    .
    - Next read the sections 8.3.2.2 - 8.3.3.2 . 
    -Finally read the Identification of Storm Characteristics subsection 8.3.3.4.  
Warm-up Questions:
Do quiz W02 D4 online on Canvas.
Topic: Thunderstorm Mesoscale Convective Systems (MCS), Radar Fundamentals & Storm Chasing Tips
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Learning Goals
At the end of this section, you should be able to:

  1. Compare and contrast MCS storms with other  thunderstorm types.  
  2. Summarize how a weather radar operates.
  3. Interpret radar reflectivity info to diagnose rainfall intensity.  (Z-R relationships)
  4. Explain the range and velocity limitations of weather radar. (start today, finish on Monday)
  5. Make sound decisions when you chase and photograph severe storms.
Thurs (D4)
Morning
Midday
Evening
10 PM Pacific time
Deadline to finish warm-up Qs.
Friday (D5).
Morning
Midday
2 PM Pacific TimeClass:
  1. Discussion & interaction on topics from readings (bring your clicker).
  2. Intro to MCSs.
  3. Intro to weather radar.
  4. Video on Approaching the Storm, from The Art of Storm Chasing (Disk 1, Title 2, Ch 6)  12 min.
Notes to Instructor:  Bring to class:
- DVD Art of Storm Chasing

- Magnetron.

Evening
End-of-Week Homework Exercises.  
(Due at start of Monday's class.)
Homework 2 (must use a computer spreadsheet for all HWs this week and all future weeks)
S.Ch1.  A7d, A10a, A11d, A12d.
S.Ch8: A10d, A11, A12d, A13d, A18d, A19d.

...
Learning Goals
At the end of this section, you should be able to:
  1. Apply topics covered earlier this week to compute number answers & infer their significance.  
  2. Use a computer spreadsheet such as Excel to solve your homework exercises.

Saturday(D6)
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Sunday (D7)
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Notes: The textbook for this course is Stull, 2017: "Practical Meteorology: An Algebra-based Survey of Atmospheric Science", available for free online, at  https://www.eoas.ubc.ca/books/Practical_Meteorology/ .

The reading and homework assignments use the following abbreviations to indicates various parts of this textbook:

Legend:
Ch = chapter.
A = "Apply" exercises.
p = page number.
S = Stull, 2017:  "Practical Meteorology" book (online).
s = "Synthesize" exercises.
E = "Evaluate & Analyze" exercises.