- Languages: English, Spanish, French
- Publish Date: 2009-06-03
- Last Updated On: 2016-08-30
- Skill Level: 1
- Completion Time: 1.25 - 1.50 h
- Includes Audio: yes
- Required Plugins: none
Hydrology/Flooding, QPF/QPE (Precip), Radar Meteorology
- Included in Courses:
Understanding the Hydrologic Environment
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- Define quantitative precipitation estimation (QPE).
- List the tools used to measure precipitation.
- Explain a drop size distribution (DSD).
- Explain a Z-R relationship and its limitations in radar-derived QPE.
- Explain how the radar's ability to estimate snow QPE may differ from rain QPE.
- Understand the basics of radar-derived precipitation from dual-polarized radar.
- Illustrate what is meant by inconsistency in radar sampling and coverage.
- Be able to use radar climatology guidance.
- Describe the uses and limitations of satellite QPE.
- List some of the limitations of rain gauge measurements.
- Explain how wind, exposure, and turbulence can influence gauge catch for rain.
- Explain how the gauge performance for snow may differ from rain.
- Describe other ways to obtain snow water equivalent.
- Describe the general strengths and limitations of measurement from automated gauges.
- Explain how the strengths and limitations of manual gauge reports may differ from those of automated gauges.
- Describe how precipitation climatology may enhance QPE.
- Explain some key limitations of precipitation climatology.
- Describe weather situations that would likely result in useful estimates from each of the three measurement tools: radar, satellite, and rain gauges.