Near Real-Time Japanese Reanalysis for Three Quarters of a Century (JRA-3Q)

d640001
| DOI: 10.5065/E3QQ-0F24
 
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Abstract:

JMA is currently conducting the Japanese Reanalysis for Three Quarters of a Century (JRA-3Q), which covers the period from September 1947 onward to extend the current period of data coverage and improve the quality of long-term reanalysis. The project involves a sophisticated data assimilation system (based on the operational set-up as of December 2018) incorporating development results from the operational NWP system and sea surface temperature analysis achieved since JRA-55 (based on the operational set-up as of December 2009). New datasets of past observations are also assimilated, including rescued historical observations and reprocessed satellite data supplied by meteorological and satellite centers worldwide. Many of the deficiencies of JRA-55 are alleviated in JRA-3Q, providing a high-quality homogeneous reanalysis dataset that covers the previous 75 years.

Temporal Range:
2023-12-09 00:00 +0000 to 2026-09-30 00:00 +0000 (Entire dataset) Period details by dataset product
Variables:
Atmospheric Heating Atmospheric Ozone Atmospheric Stability Brightness Temperature
Canopy Characteristics Cloud Amount Cloud Frequency Cloud Liquid Water/Ice
Convergence Dew Point Temperature Evaporation Evapotranspiration
Geopotential Height Gravity Wave Humidity Hydrostatic Pressure
Ice Extent Ice Fraction Land Surface Temperature Land Use/Land Cover Classification
Land/Ocean/Ice Mask Latent Heat Flux Latent Heat Flux Longwave Radiation
Maximum/Minimum Temperature Potential Temperature Potential Vorticity Precipitation Amount
Precipitation Rate Runoff Rate Sea Level Pressure Sensible Heat Flux
Shortwave Radiation Snow Depth Snow Water Equivalent Soil Moisture/Water Content
Soil Temperature Streamfunctions Surface Pressure Surface Roughness
Surface Temperature Surface Winds Total Precipitable Water Upper Air Temperature
Upper Level Winds Vegetation Species Vertical Wind Velocity/Speed Vorticity
Water Vapor
GRIB2 parameter table: HTML | XML
Vertical Levels:
See the detailed metadata for level information. See also the GRIB2 level table.
Data Types:
Grid
Spatial Coverage:
Longitude Range: Westernmost=180W Easternmost=180E
Latitude Range: Southernmost=90S Northernmost=90N Detailed coverage information
Data Contributors:
JP/JMA
Related Resources:
Japanese Reanalysis for Three Quarters of a Century (JRA-3Q)
Publications:
Kosaka, Y., S. Kobayashi, Y. Harada, C. Kobayashi, H. Naoe, K. Yoshimoto, M. Harada, N. Goto, J. Chiba, K. Miyaoka, R. Sekiguchi, M. Deushi, H. Kamahori, T. Nakaegawa, T. Y. Tanaka, T. Tokuhiro, Y. Sato, Y. Matsushita, and K. Onogi, 2024: The JRA-3Q Reanalysis. J. Meteor. Soc. Japan, 102, 1-168 (DOI: 10.2151/jmsj.2024-004).
Reference to JRA-3Q data in scientific or technical papers should be cited to this JRA-3Q comprehensive report.
Total Volume:
9.3 TB (Entire dataset) Volume details by dataset product
Data Formats:
WMO GRIB2
Related GDEX Datasets:
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JRA-55: Japanese 55-year Reanalysis, Daily 3-Hourly and 6-Hourly Data
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JRA-55: Japanese 55-year Reanalysis, Near Real-Time Data
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Japanese Reanalysis for Three Quarters of a Century (JRA-3Q)
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Japanese Reanalysis for Three Quarters of a Century (JRA-3Q) Monthly Statistics
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Near real-time monthly mean Japanese Reanalysis for Three Quarters of a Century (JRA-3Q)
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Japanese Reanalysis for Three Quarters of a Century (JRA-3Q) Diurnal Statistics
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Near real-time monthly diurnal Japanese Reanalysis for Three Quarters of a Century (JRA-3Q)
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Japanese Reanalysis for Three Quarters of a Century - COBE (JRA-3Q-COBE)
More Details:
View a more detailed summary of the data, including specific date ranges and locations by parameter
Metadata Record:
Data License:
Data LicenseThis work is licensed under a Creative Commons Attribution Non Commercial Share Alike 4.0 International License.
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