NCEP/Climate Prediction Center ATLAS No. 7

Improved United States Precipitation Quality Control System and Analysis

Table of Contents

1.0 Introduction

2.0 Near-Real-Time Daily Precipitation Analysis

2.1 Background
2.2 Characteristics of the Daily Analysis

3.0 Quality Control Initiatives

3.1 Standard Quality Control
3.2 Radar Quality Control
3.3 Satellite Quality Control

4.0 Precipitation Analysis Products and Applications

4.1 Products
4.2 Applications
4.3 Diagnostic Studies of the North American Monsoon System
4.4 Precipitation Analyses for the Americas

5.0 Unified Raingauge Dataset

5.1 Data Sources
5.2 Implementation
5.3 Future Plans

6.0 Daily Precipitation Reanalysis

6.1 Characteristics
6.2 Annual mean
6.3 Monthly and Seasonal Variability
6.4 Frequency
6.5 Daily Variability
6.6 Dissemination

Acknowledgments

Figure Captions

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