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OUTLINE NWP February 2022

OUTLINE OF THE OPERATIONAL NUMERICAL WEATHER PREDICTION AT THE JAPAN METEOROLOGICAL AGENCY
February 2022
JAPAN METEOROLOGICAL AGENCY

Appendix to WMO TECHNICAL PROGRESS REPORT ON THE GLOBAL DATA-PROCESSING AND FORECASTING SYSTEM AND NUMERICAL WEATHER PREDICTION

Cover/Contents/Preface

1. Computer System

PDF (3.1 MB)
1.1 Introduction
1.2 System Configurations and Specifications
1.3 Operational Aspects

2. Data Assimilation Systems

PDF (1.6 MB)
2.1 Summary
2.2 Observation Data
2.3 Quality Control and Related Procedures
2.4 Typhoon Bogussing
2.5 Global Analysis
2.6 Meso-scale Analysis
2.7 Local Analysis
2.8 Snow Depth Analysis
2.9 Soil Moisture Analysis
2.10 Non-real-time Quality Control
2.11 Climate Data Assimilation System

3. Numerical Weather Prediction Models

PDF (9.9 MB)
3.1 Summary
3.2 Global Spectral Model (JMA-GSM2103)
3.3 Global Ensemble Prediction System
3.4 Seasonal Ensemble Prediction System
3.5 Meso-Scale Model (JMA-MSM2003)
3.6 Meso-scale Ensemble Prediction System
3.7 Local Forecast Model (JMA-LFM2103)
3.8 Atmospheric Transport and Dispersion Model
3.9 Chemical Transport Model
3.10 Kosa (Aeolian Dust) Analysis Prediction Model
3.11 Verification
3.12 Global Atmospheric Transport Model for Volcanic Ash
3.13 Regional Atmospheric Transport Model for Volcanic Ash

4. NWP Application Products

PDF (6.6 MB)
4.1 Summary
4.2 Weather Chart Services
4.3 Gridded Data Products
4.4 Very-short-range Forecasting of Precipitation
4.5 Hourly Analysis
4.6 Guidance for Short-range Forecasting
4.7 Application Products for Aviation Services
4.8 Ensemble Prediction System Products
4.9 Atmospheric Angular Momentum Functions

5. Ocean Models

PDF (6.2 MB)
5.1 Summary
5.2 Sea Surface Temperature Analysis
5.3 Ocean Data Assimilation System
5.4 Ocean Wave Models
5.5 Storm Surge Model
5.6 Sea Ice Model
5.7 Oil Spill Prediction Model

A. Verification Indices

PDF (393 KB)
A.1 Basic Verification Indices
A.2 Verification Indices for Categorical Forecasts
A.3 Verification Indices for Probability Forecasts

References/List of Authors

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