| Week 9 |
30 Oct - 5 Nov 2023 |
| Monday (D1) | Finish Homework from previous week.
Be sure your name, student number, and HW# are at top of every page.
Deadline: Turn in your HW by the start of class, 2 pm Monday. |
| Morning |
| Midday |
| 2 PM | Class:
- Turn in HW.
- Discuss the upcoming midterm exam, and reminder that all the previous Learning Goals are an excellent a study guide.
- Qualitative discussion downbursts & gustfronts, based on pre-readings from Stull section 15.2.
- Keynote slides of downbursts, arc clouds & haboobs.
- YouTube videos Day2-50 thru Day 2-75.
- Video on Finding the Storm, from DVD "Art of Storm Chasing". Disk 1, Title 2, Ch 4.
| Topic: Downbursts & Gust Fronts
.
Learning Goals
At the end of this section, you should be able to:
- Describe the conditions needed for downbursts to form.
- Anticipate the behavior of downbursts and gust fronts.
- Explain the hazard of downbursts and gust fronts to aircraft & structures.
- Look
at arc clouds, haboobs and Doppler radar to recognize the
downburst/gust-front hazard, and take appropriate action to be safe.
- Relate the fundamentals that you learned earlier in this course to the favorable conditions needed for thunderstorm formation.
- Normand's Rule, for estimating wet bulb temperature Tw.
- The utility of CAPE for predicting Storm hazards.
|
|
| Evening | Readings:
- Review all previous readings.
Optional Review Session:
Tuesday
afternoon or evening. (See details either mentioned in class, or as an Announcement in Canvas) | Topic: Study for the open-book Midterm Exam
.
Learning Goals
At the end of this section, you should be able to:
- Demonstrate on the exam that you have synthesized all the material covered into a coherent understanding of:
a) thunderstorms,
b) atmospheric thermodynamics,
c) atmospheric dynamics.
- Be proficient at using the following tools:
a) hodographs,
b) thermo diagrams,
c) weather radar images.
- Use equations to calculate and interpret quantitative results.
|
| Tuesday (D2) |
| Morning |
| Midday |
| Evening |
| 10 PM | (No warm-up questions today.)
|
| Wed (D3) | . |
| Morning |
| Midday |
| 2 PM | Class:
- Midterm Exam - Individual.
- Open books, open notes, open calculator.
- Covers all Learning Goals up through today.
- Covers
Chapters
1 (all),
2 (all),
3 (all except 3.7 & 3.8),
4 (all except 4.6),
5 (all),
8(radar portions, see footnote*),
10 (all, except the portion of section 10.8.3 after the first 4 paragraphs),
11(sections 11.9.1 - 11.9.3),
14 (all except 14.5.2.6-14.5.2.7),
15:
- 15.1 Rain & Hail (all),
- 15.2 Downbursts (only qualitative),
- 15.3 Thunder (all except 15.3.4 & 15.3.6.1),
- 15.4 Tornado (all except p590-592 top half),
Appendix A
(& skim Appendix B).
.
[*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.
]
|
|
| Evening | Readings:
- S.Ch11.
p329-334, and Figs. 11.11, 11.12, & 11.14 on global heat
transport, and p341 - 349. (on p341, start with the bottom 1/3 on hydrostatic thermal circulations).
Warm-up Questions:
Do quiz W09 D4 online on Canvas.
| Topic: Global Circulation - Part 1:
Description, Diff. Heating, Thermal Circulations, Geostrophic Adjustment, Thermal Wind
Learning Goals - Global Circulation
At the end of this section, you should be able to:
- Use the global-circulation nomenclature and jargon (e.g., zonal, mereridional, extratropical, etc.)
- Describe and name the dominant horizontal general-circulation flow patterns at the surface, including monsoonal flows.
- Explain the Hadley cell: where it is, what it does to the atmosphere, and how it is connected to the surface flow patterns.
- Use LeChatelier's Principle to explain how differential heating drives the global circulation.
- Explain how each of the following dynamical processes works:
a) hydrostatic thermal circulations
b) geostrophic adjustment
c) the thermal wind relationship.
|
| Thurs (D4) |
| Morning |
| Midday |
| Evening |
| 10 PM | Deadline to finish warm-up Qs. |
| Friday (D5) | . |
| Morning |
| Midday |
| 2 PM | Class:
- intro to the global circulation
|
|
| Evening | End-of-Week Numerical Homework Exercises.
(Finish readings before start of Monday's class.)
Homework 9:
S.Ch6. Read p159-168 (first column), 170 (top half), and 171 (INFO box at bottom).
S.Ch6:
(for the drawings, use a pencil to draw by hand in a space on your
spreadsheet printout, or use an electronic pad to edit a pdf file in
your note-taking app) A4e, A12e.
S.Ch11: E1, E2 (E exercises, NOT A )
.
| Learning Goals
At the end of this section, you should be able to: - Confidently participate in Monday's tutorial on cloud identification.
- Think about general circulation issues.
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| Saturday(D6) |
| . |
| Sunday (D7) |
| . |