Phys2301 - Atmospheric Physics

Fall 2013 Course Calendar, Moodle course site

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Date

Topic

Weather Journal

Observation periods

Mini Lecture by students

Homework

 

W 8-28

Syllabus

Weather Journal

Practice for cloud classification

slides

more cloud resources

1-Climate System – General Overview

 

Observation Period 1: Observing and recording

 

 

Record the weather observables for Morris, MN, twice daily for a period of six consecutive days, for a total of twelve records.

 

Consecutive observations need to be at least two hours apart.

 

Represent the current weather activity in form of a station model.

 

Return the booklet to instructor for feedback at the end of the observation period.

 

Topics and information

 

Sign-up is open

 

F 8-30

1-Climate System – General Overview

Components of the climate system

Structure and composition

daily soundings

Chapter handout 1:

Problems 1, 3 (4 skipped since input missing)

answer 1-3 (corrected)

answer 1-4

M 9-2

Labor Day

 

W 9-4

Climate System – General Overview

Global wind systems

Weather systems in moderate latitudes

slides

Animated global satellite images

World Climate Charts

 

 

F 9-6

Quiz 1: Vocab on layers, winds, climate system

 

Climate System – General Overview

Coordinate systems

(velocities skipped)

 

Text book 1.7, 1.12, 1.17

Handout 1: problem 9, 10, 11, 12

answers 1.9 through 1.11, book 1.7

answer 1.12

answer book 1.12 and 1.17

M 9-9

Climate System – General Overview

Hydrological cycle

Hydrological Mass balances

Sign-up has been re-opened. Will close on Thursday, September 12. After that, I will assign a topic if you did not choose one.

 

W 9-11

Hydrological Mass balances

 

Hydrostatic Stability

Density, pressure

Hydrostatic equation

 

Weather Journal due

F 9-13

Hydrostatic Stability

Experiment pressure gradient

Vertical pressure gradient

Barometric equation

The many uses of barometers when building height is desired

 

 

Book: 1.9, 1.10, 1.13,2.10

And this extra problem (Great Lakes)

answers

M 9-16

Hydrostatic Stability

Sea level pressure

Scale height

 

 

 

 

W 9-18

Hydrostatic Stability

Level thickness

Animation of 500-mb altitude (PSU)

pressure level maps (UWyoming)

 

 

F 9-20

Quiz 2: hypsometric equation and barometric equation, sealevel pressure

answer for quiz 2

 

More level thickness

 

Observation Period 2: Seeing the larger picture

 

Record the weather observables for Morris, MN,  twice daily for a period of six consecutive days, for a total of twelve records.  Consecutive observations need to be at least two hours apart.

 

Represent the current weather activity in form of a station model on the provided map, at the position of Morris.

 

Sketch in any frontal boundaries, H, L, precip.

 

Return the booklet to instructor for feedback at the end of the observation period.

 

Handout: 2.6, 2.9, 2.10, 2.13, 2.14, 2.15

Book 1.16, 1.19

answers

M 9-23

First Law and Atmosphere

Ideal gas law

 

 

W 9-25

First Law and Atmosphere

Virtual Temperature

Water vapor pressure/ mixing ratio

Processes, work, heat

 

 

F 9-27

 

Visit by Dr Rodmann Abbott ’80 (physics)

Associate Dean of Research

Naval Postgraduate School

In the frame of the UMM Alumni Networking Day

 

Handout 2.19 (altitude of 880-mb vs T)

Handout 3.1 (molecular mass air), 3.7 (water vapor)

Text book: 3.20 (virtual temp 1%), 3.24, 3.25

answers

 

M 9-30

First Law and Atmosphere

Processes, work, heat

examples,

 

 

W 10-2

First Law and Atmosphere

Specific heat

Enthalpy

 

 

 

F 10-4

First Law and Atmosphere

Geopotential

 

 

 

Schedule for the mini lectures

Weather Journal due

Chapter handout 3:

3.9 (Balloon)

3.10 hurricane

3.11 hiker

(all wrt pressure, layer thickness and temperatures

M 10-7

Adiabatic processes

 

 

W 10-9

First Law and Atmosphere

Potential temperature

 

 

 

 

F 10-11

Example, using p-a chart

NWS Daily Sounding data

 

 

Quiz 3  answers

Observation Period 3: Recognizing patterns, forecasting

 

Record the weather observables for Morris, MN, twice daily for a period of four weeks, for a total of at least fifty records.

 

Represent the current weather activity in form of a station model on the provided map, at the position of Morris.

 

Sketch in any frontal boundaries into your map. Mark positions of high or low pressure centers. Shade areas of active precipitation.

 

•Try a prediction for the next 12 hours. Check your prediction at the next observation time.

 

Return the booklet to instructor for feedback at the end of the observation period.

 

Handout3:

3.12 layer thickness

3.14 isothermal compression

3.20 parcel convection

3.30 isothermal  comp/adiabatic exp

(removed 3.31)

 

answers

M 10-14

Skew-T-ln p chart

Class exercise

 

 

 

W 10-16

Skew-T-ln p chart

 Class exercise

 

 

F 10-18

Skew-T-ln p chart

Thermodynamics of humid air

Phase transitions

Take-home quiz: Quiz 4

 

Handout 3:

Problem 3.33 parcel path

3.34 skewT graph

 

Book 3.35 phase transition enthalpy

answers

 

M 10-21

Fall break

 

 

W 10-23

Take-home quiz is due

answers

 

Thermodynamics of humid air

 

Psychrometric chart

Clausius Clapeyron

Characterizing humidity

 

 

F 10-25

Thermodynamics of humid air

SALR,

 

Supplement for Quiz3 (if so desired)   answers

 

Handout 4- humid air:

Problem 3 (dew)

Problem 5 (reading psychrometric chart)

answers

 

M 10-28

Thermodynamics of humid air

LCL

ex 5.12 computations

 

 

W 10-30

Analytical LCL

example 5.13 computations Equivalent potential temperature

 

 

 

F 11-1

T-Tw experiment

Data

 

Handout 4- humid air:

Problems 10, 11

 

Book 3.40, 3.45, 3.47

answers

 

M 11-4

Second Law and Atmosphere

Entropy, reversibility

 

 

W 11-6

Second Law and Atmosphere

 

 

 

F 11-8

Quiz 5: SkewT-Lnp chart  answers

 

Second Law and Atmosphere

Second law, applications

 

1.       Handout 4 humid air: Problems 19, 20, 25

2.       Complete table in 4.6 (Handout) humidity measurement

data table

3.       Handout 5: problems 4 and 5

homework answers

M 11-11

Static stability

example of a gravity wave

 

Watch the jet stream

 

:

The Carbon Cycle

Sam Graham

 

W 11-13

Radiative Transfer –

Using the thermal imager on crisp and sunny(?) morning

General overview

 

F 11-15

Radiative Transfer

Radiance, irradiance, solar constant

Smog

Zachary Klassen

Handout 5: problems 8, 9

Book 3.58, 3.61, 3.62

answers

M 11-18

Radiative Transfer

Radiance, irradiance, solar constant

Complete and correct solution for problem 5

W 11-20

Radiative Transfer

Insolation

 

Satellite server:

http://www.goes.noaa.gov/index.html

 

Remote Sensing

Jieying Jin

 

F 11-22

Radiative Transfer

Blackbody radiation

Palaeoclimate

James Froberg

Handout 6: problems 8,9

 

Book: 4.12, 4.13

answers

M 11-25

 

Radiative Transfer

Greenhouse effect, layered atmosphere

Quiz 6 - answers

Atmospheres of other planets

Cassie Yoakum

 

W 11-27

Radiative Transfer

Cloud Microphysics

Variability in solar constant: Orbital and solar variations

Jason Nieman

 

F 11-29

Thanksgiving

 

 

M 12-2

Cloud Microphysics

Growth and shapes of ice crystals

Mitch Patzer

Weather Journal due

W 12-4

Cloud Microphysics

 

Halos and rainbows

Stephen Sorensen

 

F 12-6

Cloud Microphysics

 

Thunderstorms

Peter Ehlers

Handout 6: problems 10, 11 answers

 

Textbook: 6.8a,b,c

6.10  answers

 

M 12-9

 

 

Tropical cyclones

Josef Wieber

 

W 12-11

 

 

Tornadoes

Shelby Richards

 

Handout 7, problem 7 (not 8)

F 12-13

 

 

 

T 12-17, 4-6 pm

Final Exam

 

 

 

Back to course page

 

Page last modified: 12/9/2013 1:35 PM

Maintained by Sylke Boyd, sboyd@morris.umn.edu

University of Minnesota-Morris, Division of Science and Mathematics

 

The views and opinions expressed in this page are strictly those of the page author. The contents of this page have not been reviewed or approved by the University of Minnesota.