ATM OCN (Meteorology) 100
OBSERVATIONS of the EARTH'S ATMOSPHERE
Lecture #1-B scheduled for:
16 JUN 2004 (M)
Recommended Readings from Moran (2002):
pages 1-13, 301-307.
Today's Lecture Objectives:
- To identify the components of the Planet Earth System.
- To provide several reasons why the planet Earth is unique.
- To identify those important weather elements describing the state of the atmosphere.
- To list the various instruments and instrument platforms used to measure various weather elements at the surface and in the free atmosphere.
- To describe the fundamental principles utilized in weather radar units.
- To compare and contrast polar orbiting and geosynchronous weather satellites.
- To explain the basis for the surface weather map.
A. PRACTICAL QUESTIONS
B. THE PLANET EARTH & EARTH SYSTEMS
- Uniqueness of the Planet Earth
- Components of the Planet Earth System
- Interactions within the System
C. SURVEY OF PLANET EARTH'S ATMOSPHERE
- Importance of the Earth's planetary atmosphere
- Overall Dimensions of the Earth's atmosphere
- Comparison with the other components of the Earth System
D. WEATHER - CLIMATE ELEMENTS
- What we need to Know
- The role of Meteorological Observations
- Observed Surface WEATHER - CLIMATE ELEMENTS:
- BAROMETRIC PRESSURE
- AIR TEMPERATURE
- ATMOSPHERIC HUMIDITY
- CLOUD TYPE, AMOUNT
- WINDS (SPEED & DIRECTION)
E. PROBING THE ATMOSPHERE
- THE SURFACE WEATHER STATION
- Human Observers
- Location and Exposure of Weather Instruments
- OTHER OBSERVATIONAL TOOLS
- Weather Radar
- Weather Satellites
- Meteorological Rockets
- Wind Profilers
F. THE DISPLAY & ANALYSIS OF WEATHER INFORMATION
- SYNOPTIC WEATHER ANALYSIS
- The meaning of synoptic weather analysis
- Goal of synoptic weather analysis
- Requirements for synoptic weather analysis
- THE SURFACE WEATHER MAP
- Historical perspective
- Isopleth Analysis
- Interpretation of modern surface weather maps
- Pressure systems and wind fields -- The "hand-twist" model
- Pressure systems and Clouds
Links to Other References:
- The Current Weather Link provides access to many types of current weather maps and other analysis tools that the meteorologist routinely uses.
- Explanation of the time system, Universal Coordinated Time (UTC), used by the meteorologist. This explanation includes the procedure for converting between local Central Time and UTC or Z Time.
- Background materials on various weather instruments .
- Station model description (from SSEC/CIMSS). This source also includes an applet that provides several exercises that can be used to correctly decode a station model.
- History of US Upper Air program from National Weather Service Upper-Air Observations Program
Latest revision: 13 June 2004 (1905 UTC)
Produced by Edward J. Hopkins, Ph.D.
Department of Atmospheric and Oceanic Sciences
University of Wisconsin-Madison Madison, WI 53706