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Textbook: Meteorology Understanding the Atmosphere 2 nd Edition Ackerman & Knox Prof. Steve Ackerman University of Wisconsin 2009 Teaching Excellence Award American Meteorological Society your topics of interest in ATSC 2000 topics I propose we cover in this course
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Understanding the Atmosphere
Ackerman & Knox
Prof. Steve Ackerman
University of Wisconsin
2009 Teaching Excellence Award
American Meteorological Society
and of course Chapter 1) Introduction
1.1 Weather vs climate
1.2 Atmospheric composition
1.3 Atmospheric structure
8/28/05 17 UTC
Scotland in March
Off Labrador in March
That’s 4 degrees below the average high for this time of the year.Which one is a statement about weather, which one about climate?
Click here for the current Laramie weather forecast
from 3-monthly to daily precip
Edward Lorenz, 1963: Deterministic nonperiodic flow. Journal of Atmospheric Sciences. Vol.20 : 130—141.
Edward Lorenz in Wikipedia
last 150,000 years
last 1,000 years
US temperature trend 1941-2005
winter precipitation anomaly
sea surface temperature
An El Niño is predicted for next winter …
Conclusion: there is some limited guidance for the season ahead, but wrong predictions should not be a surprise.
Key atmospheric observations
Discussion: our atmosphere is key to the habitability of the Earth. Are we alone in that regard, or do other planets have an atmosphere as well ?
real-time soundings plotted
Space Shuttle Discovery
“Bad”: Tropospheric ozone, an anthropo-genic air pollutant , damages health and the environment.“Good” vs. “Bad” Ozone
Montreal protocol (1987): complete phase-out of CFC production
Laramie (2.2 km)
(skin cancer, eye cataracts ...)
sea level pressure (mb)
wind direction and speed
If reported value greater than 500:
Initial 9 is missing. Place it on left, then divide by 10.
For example: 827 becomes 982.7 mb.
If reported value less than 500:
Initial 10 is missing. Place it on left, then divide by 10.
For example: 027 becomes 1002.7 mb.
- to be revisited