Rapid Update Cycle (RUC) [13 km]
The Rapid Update Cycle (RUC) weather forecast model was developed by the National Centers for Environmental Prediction (NCEP). On May 1, 2012, the RUC was replaced by NCEP's Rapid Refresh (RAP) weather forecast model. The RUC was designed to produce quick, short-term, weather forecasts using the most currently available observations. When it was first implemented in 1994, the model was run every three hours making forecasts out to 12 hours. By 2002, the RUC was run every hour, on the hour, producing 12-hour forecasts with a 1 hour temporal resolution. This dataset contains a 13 km horizontal resolution Lambert Conformal grid covering the Continental United States (CONUS) domain.
Cite this dataset when used as a source.
- NCEI DSI 6187
- gov.noaa.ncdc:C00665
| Download Data |
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| Distribution Formats |
- XML
- GRIB 2 (Version: 2)
- File Specification: http://www.nco.ncep.noaa.gov/pmb/docs/grib2/
- File Compression:
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| Ordering Instructions |
Contact NCEI for other distribution options and instructions. |
| Distributor |
NOAA National Centers for Environmental Information
ncei.info@noaa.gov
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| Dataset Point of Contact |
Customer Engagement Branch
NOAA National Centers for Environmental Information
1-828-271-4800
ncei.orders@noaa.gov
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| Dataset Point of Contact |
DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
nomads.ncdc@noaa.gov
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| Coverage Description |
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| Time Period |
2007-04-01 to 2012-05-01 |
| Spatial Bounding Box Coordinates |
West: -139.9
East: -57.3
South: 16.2
North: 59.0
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| Spatial Coverage Map |
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| Publication Dates |
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| Data Presentation Form |
Digital model - multi-dimensional digital representation of a feature, process, etc.
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| Dataset Progress Status |
Complete - production of the data has been completed |
| Data Update Frequency |
Not planned |
| Purpose |
Developed to serve users needing frequently updated short-range weather forecasts, including those in the US aviation community and US severe weather forecasting community. |
| Cited Authors |
- DOC/NOAA/NWS/NCEP/EMC > Environmental Modeling Center, National Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce
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| Originators |
- DOC/NOAA/NWS/NCEP/EMC > Environmental Modeling Center, National Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce
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| Distributors |
- DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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| Publishers |
- DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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| Theme keywords |
Global Change Master Directory (GCMD) Science Keywords
- Earth Science > Atmosphere > Air Quality > Visibility
- Earth Science > Atmosphere > Altitude > Geopotential Height
- Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
- Earth Science > Atmosphere > Altitude > Tropopause
- Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
- Earth Science > Atmosphere > Atmospheric Pressure > Pressure Thickness
- Earth Science > Atmosphere > Atmospheric Pressure > Sea Level Pressure
- Earth Science > Atmosphere > Atmospheric Pressure > Surface Pressure
- Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
- Earth Science > Atmosphere > Atmospheric Temperature > Atmospheric Stability
- Earth Science > Atmosphere > Atmospheric Temperature > Dew Point Temperature
- Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Potential Temperature
- Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
- Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
- Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature
- Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Dew Point Temperature
- Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
- Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
- Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor
- Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
- Earth Science > Atmosphere > Atmospheric Winds > Boundary Layer Winds
- Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Convection
- Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
- Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds
- Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Vertical Wind Velocity/Speed
- Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Vorticity
- Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
- Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain > Freezing Rain
- Earth Science > Atmosphere > Precipitation > Precipitation Rate
- Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
- Earth Science > Atmosphere > Precipitation > Solid Precipitation > Ice Pellets > Sleet
- Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
- Earth Science > Terrestrial Hydrosphere > Snow/Ice > Snow Depth
- Earth Science > Land Surface > Surface Thermal Properties > Land Surface Temperature
- Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
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| Data Center keywords |
Global Change Master Directory (GCMD) Data Center Keywords
- DOC/NOAA/NESDIS/NCDC > National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce
- DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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| Place keywords |
Global Change Master Directory (GCMD) Location Keywords- Continent > North America > United States Of America
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| Project keywords |
Global Change Master Directory (GCMD) Project Keywords- NOMADS > The NOAA Operational Model Archive and Distribution System
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| Data Resolution keywords |
Global Change Master Directory (GCMD) Horizontal Data Resolution Keywords- 10 km - < 50 km or approximately .09 degree - < .5 degree
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| Stratum keywords |
Global Change Master Directory (GCMD) Location Keywords
- Vertical Location > Boundary Layer
- Vertical Location > Land Surface
- Vertical Location > Sea Surface
- Vertical Location > Troposphere
- Vertical Location > Stratosphere
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| Use Constraints |
No constraint information available |
| Fees |
- In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.
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| Lineage information for: repository |
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| Processing Steps |
- 2015-04-22T00:00:00 - NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
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Last Modified: 2023-07-11
For questions about the information on this page, please email:
ncei.info@noaa.gov
