Precipitation Data - Georgia, USA
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The document categorizes and describes various ground station, gridded, satellite, and radar datasets for precipitation data. It provides information on the resolution, domain, parameters, methodology, time period, and measurement frequency for numerous datasets from sources like USGS, NOAA, PRISM, TRMM, GPM, and NEXRAD radar.
Precipitation Data - Georgia, USA
- 2. Categories Ground Station - Precipitation Datasets United States Geological Survey National Oceanic & Atmospheric Administration (National Climatic Data Center) Georgia Automated Environmental Monitoring Network (GAEMN) Georgia Forestry Commission Community Collaborative Rain, Hail & Snow Network GHCN (Global Historical Climatology Network) Gridded - Precipitation Datasets PRISM (Parameter-Elevation Relationships on Independent Slopes Model) GPCC (Global Precipitation Climatology Centre) CRU (Climate Research Unit Time Series) PRECipitation REConstruction over Land (PREC/L) CPC (Climate Prediction Center) Unified Gauge-Based Analysis of Global Daily Precipitation MSU (Microwave Sounding Unit) University of Delaware
- 3. Categories Satellite - Precipitation Datasets TRMM (Tropical Rainfall Measuring Mission) Global Precipitation Measurement Mission (GPMM) PERSIANN (Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks) CMORPH (CPC Morphing Technique) CMAP (CPC Merged Analysis of Precipitation) GPCP (Global Precipitation Climatology Project) Radar - Precipitation Datasets NEXRAD (Next Generation Weather Radar)
- 4. Measurement Frequency Classification NRT 15 Minute Hourly Daily Monthly Yearly Ground Stations - USGS, NOAA, USGS, NOAA, GFC, USGS, NOAA, GAEMN USGS, NOAA, GHCN USGS, NOAA, Gridded - - - PRISM, CPC, MSU PRISM, GPCC, CRU, PREC/L, CPC, MSU, UoD PRISM Satellite GPMM, TRMM, PERSIANN, CMORPH - - - CMAP, GPCP - Radar NEXRAD - - - - -
- 5. Ground Stations United States Geological Survey http://waterdata.usgs.gov/ga/nwis/current/?type=precip&grou p_key=county_cd Grid Size – Point Data (287 Stations) Domain – Georgia, USA Available Parameters – Gage Height, Precipitation, Temperature, Dissolved Oxygen, pH, Turbidity, Specific Conductance Methodology – Rain gages such as the non-recording cylindrical container type or the recording weighing type, float type and tipping-bucket type Time Period – 2007 - 2015 Measurement Frequency – 15 Minute, Hourly, Daily, Monthly, Annual
- 6. Ground Stations National Oceanic & Atmospheric Administration (National Climatic Data Center) http://www.ncdc.noaa.gov/cdo-web/datasets Grid Size – Point Data (68 Stations) (2% Coverage¹) Domain – Georgia, USA Available Parameters – Precipitation Methodology – An inlet-heated, wind-shielded weighing rain gauge (configured with three load cell sensors), precipitation (wetness) detector, and an auxiliary tipping bucket gauge. Time Period – 1971 - 2014 Measurement Frequency – 15 Minute, Hourly, Daily, Monthly, Annual (Dataset maybe delayed 6 months or more) ¹Coverage is an approximation of total completeness based on the most complete data element, and the overall data range.
- 7. Ground Stations Georgia Automated Environmental Monitoring Network (GAEMN) http://weather.uga.edu/aemn/cgi-bin/AEMN.pl?site=GAAA Grid Size – Point Data (52 Stations) Domain – Georgia, USA Available Parameters – Air Temperature, Relative Humidity, Rainfall, Solar Radiation, Wind Speed, Wind Direction, Soil Temperature Methodology – Automated Weather Station Time Period – 2000 - 2015 Measurement Frequency – Daily
- 8. Ground Stations Georgia Forestry Commission (GFC) http://weather.gfc.state.ga.us/climate/climate.aspx Grid Size – Point Data (18 Stations) Domain – Georgia, USA Available Parameters – Air temperature, Relative Humidity, Wind Direction, Wind Speed, Soil Temperatures Methodology – Automated Weather Station Time Period – 1998 - 2015 Measurement Frequency – Hourly
- 9. Ground Stations Community Collaborative Rain, Hail & Snow Network http://www.cocorahs.org/ViewData/ListMultiDayPrecipReports .aspx Grid Size – Point Data (1163 Stations) Domain – Georgia, USA Available Parameters – Cumulative Precipitation Methodology – Standard 4-Inch Diameter Rain Gauge Time Period – 2000 - 2015 Measurement Frequency – Irregular
- 10. Ground Stations GHCN (Global Historical Climatology Network) http://gis.ncdc.noaa.gov/map/viewer/#app=cdo&cfg=cdo&theme=precip&la yers=01&node=gis Grid Size – Point Data Domain - Global Available Parameters – Precipitation Methodology – The database was created from 15 source data sets, including: The National Climatic Data Center's (NCDC's) World Weather Records CAC's Climate Anomaly Monitoring System (CAMS) NCAR's World Monthly Surface Station Climatology CIRES' (Eischeid/Diaz) Global precipitation data set P. Jones' Temperature data base for the world S. Nicholson's African precipitation data base Time Period – Variable (1697 - 1990) Measurement Frequency – Monthly
- 11. Gridded Datasets PRISM (Parameter-Elevation Relationships on Independent Slopes Model) - Christopher Daly and Kirk Bryant http://www.prism.oregonstate.edu/explorer/ Grid Size – Climatologies (normals) are available at 30-arcsec (800 meters) and monthly data are available at 2.5 arcmin (4 km) resolution. Domain – Contiguous US Main Variables – Dew Point Temperature, Max. & Min. Air Temperature, Precipitation Methodology – The PRISM products use a weighted regression scheme to account for complex climate regimes associated with orography, rain shadows, temperature inversions, slope aspect, coastal proximity, and other factors. Time Period – 1895 - Present Measurement Frequency – Daily, Monthly, Annual, 30-year normals (1981-2010) (monthly and annual)
- 12. Gridded Datasets GPCC (Global Precipitation Climatology Centre) http://www.esrl.noaa.gov/psd/data/gridded/data.gpcc.html Grid Size – 0.5 degree latitude x 0.5 degree longitude global grid 1.0 degree latitude x 1.0 degree longitude global grid 2.5 degree latitude x 2.5 degree longitude global grid Domain - Global Available Parameters – Precipitation Methodology – Based on quality-controlled data from 67,200 stations world-wide that feature record durations of 10 years or longer. Time Period – 1901 - 2010 Measurement Frequency – Monthly
- 13. Gridded Datasets CRU (Climate Research Unit Time Series) http://catalogue.ceda.ac.uk/uuid/4a6d071383976a5fb24b5b42e28cf 28f Grid Size – 0.5 degree latitude x 0.5 degree longitude global grid (4,000 Stations) Domain - Global Available Parameters – Cloud cover, diurnal temperature range, frost day frequency, precipitation, daily mean temperature, monthly average daily maximum temperature, vapor pressure, Potential Evapo-transpiration and wet day frequency. Methodology – Based on an archive of monthly mean temperatures provided by more than 4000 weather stations distributed around the world. Time Period – 1901 - 2013 Measurement Spacing – Monthly
- 14. Gridded Datasets PRECipitation REConstruction over Land (PREC/L) http://www.esrl.noaa.gov/psd/data/gridded/data.precl.html Grid Size – (17,000 Stations) 0.5 degree latitude x 0.5 degree longitude global grid 1.0 degree latitude x 1.0 degree longitude global grid 2.5 degree latitude x 2.5 degree longitude global grid Domain - Global Available Parameters – Precipitation Methodology – Precipitation gauge measurements over land from the GHCN-v2 (Global Historical Climatology Network version 2) are interpolated Time Period – 1948 – Present (Except 0.5 degree data, which runs behind) Measurement Frequency – Monthly
- 15. Gridded Datasets CPC (Climate Prediction Center) Unified Gauge-Based Analysis of Global Daily Precipitation http://www.esrl.noaa.gov/psd/data/gridded/data.unified.daily.c onus.html Grid Size – 0.25 degree latitude x 0.25 degree longitude global grid (30,000 Stations) Domain - Global Available Parameters – Precipitation Methodology – This dataset has two components: (a) the "retrospective version" which uses 30K stations and spans 1979- 2005 and (b) the "real-time version" which uses 17K stations and spans 2006-present. Time Period – 1948 – 2006 (Daily), 1948 – Present (Monthly) Measurement Frequency – Daily, Monthly
- 16. Gridded Datasets MSU (Microwave Sounding Unit) http://www.esrl.noaa.gov/psd/data/gridded/data.msu.html Resolution – 2.5 degree latitude x 2.5 degree longitude global grid Domain - Global Available Parameters – Precipitation, Temperature Methodology – The NOAA satellites contributing to this dataset are, in order of their launch, TIROS-N, NOAA-6, -7, -9, - 10,-11, and NOAA-12. Time Period – 1979 – 1996 Measurement Frequency – Daily, Monthly
- 17. Gridded Datasets University of Delaware (UoD) http://www.esrl.noaa.gov/psd/data/gridded/data.UDel_AirT_P recip.html Resolution – 0.5 degree latitude x 0.5 degree longitude global grid Domain - Global Available Parameters – Precipitation, Temperature Methodology - Cort Willmott & Kenji Matsuura of the University of Delaware have put data together from a large number of stations, both from the GHCN2 (Global Historical Climate Network) and, more extensively, from the archive of Legates & Willmott. Time Period – 1901 – 2010 Measurement Frequency – Monthly
- 18. Satellite Datasets TRMM (Tropical Rainfall Measuring Mission) http://trmm.gsfc.nasa.gov/ Resolution - 0.25 degree latitude x 0.25 degree longitude global grid Domain - Global Available Parameters – Precipitation Methodology – The mission uses 5 instruments: Precipitation Radar (PR), TRMM Microwave Imager (TMI), Visible Infrared Scanner (VIRS), Clouds & Earths Radiant Energy System (CERES) and Lightning Imaging Sensor (LSI). Time Period – 1997 – (March) 2015 Measurement Frequency – 3 Hour (Near Real Time)
- 19. Satellite Datasets Global Precipitation Measurement Mission (GPMM) http://pmm.nasa.gov/data-access/downloads/gpm Resolution - 0.1 degree latitude x 0.1 degree longitude global grid Domain - Global Available Parameters – Precipitation Methodology – The satellite carries a microwave imager. Its scanning antenna rotates 32 times per minute, while a downward pointing detector reads microwaves reflected from the atmosphere below. As it orbits, GPM scans the Earth’s atmosphere with its Dual-Frequency Precipitation Radar. The radar scans in two frequencies, the Ku scan (13.6 gigahertz) and the Ka scan (35.5 gigahertz). Time Period – (March) 2014 - Present Measurement Frequency – 3 Hour (Near Real Time)
- 20. Satellite Datasets PERSIANN (Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks) http://chrs.web.uci.edu/persiann/ Resolution – 0.25 degree latitude x 0.25 degree longitude global grid Domain - Global Available Parameters – Precipitation, Atmosphere Methodology – The PERSIANN algorithm used here is based on the geostationary longwave infrared imagery to generate global rainfall. Time Period – 1979 - Present Measurement Frequency – 3 Hour (Near Real Time)
- 21. Satellite Datasets CMORPH (CPC Morphing Technique) http://www.cpc.ncep.noaa.gov/products/janowiak/cmorph_des cription.html Resolution – 0.25 degree latitude x 0.25 degree longitude global grid Domain - Global Available Parameters – Precipitation, Atmosphere Methodology – The precipitation estimates derived from the passive microwaves aboard the DMSP 13, 14 & 15 (SSM/I), the NOAA-15, 16, 17 & 18 (AMSU-B), and AMSR-E and TMI aboard NASA's Aqua and TRMM spacecraft, respectively. Time Period – 2002 - 2013 Measurement Frequency – 3 Hour, Daily (Near Real Time)
- 22. Satellite Datasets CMAP (CPC Merged Analysis of Precipitation) http://www.esrl.noaa.gov/psd/data/gridded/data.cmap.html Resolution – 2.5 degree latitude x 2.5 degree longitude global grid Domain - Global Available Parameters – Precipitation, Atmosphere Methodology – Inputs are derived from gauge analysis; microwave and infrared observations from polar orbiting and geostationary satellites Time Period – 1979 - 2011 Measurement Frequency – Monthly Mean
- 23. Satellite Datasets GPCP (Global Precipitation Climatology Project) http://www.esrl.noaa.gov/psd/data/gridded/data.gpcp.html Resolution – 2.5 degree latitude x 2.5 degree longitude global grid Domain - Global Available Parameters – Precipitation, Atmosphere Methodology – The Version 2 Data Set contains data from several contributing centers: GPCP Polar Satellite Precipitation Data Centre - Emission (SSM/I emission estimates) F17 SSMIS: calibrating microwave data source to replace the F13 SSM/I, which failed in September 2009 GPCP Polar Satellite Precipitation Data Centre - Scattering (SSM/I scattering estimates) GPCP Geostationary Satellite Precipitation Data Centre (GPI and OPI estimates and rain gauge analyses) NASA/GSFC Satellite Applications Office (TOVS estimates) GPCP Global Precipitation Climatology Centre (rain gauge analyses) Time Period – 1979 – (February) 2015 Measurement Frequency – Monthly Mean
- 24. Radar NEXRAD (Next Generation Weather Radar) http://www.ncdc.noaa.gov/nexradinv/ Domain - US Available Parameters – Precipitation Methodology – NEXRAD (Next Generation Radar) currently comprises 159 sites throughout the United States and select overseas locations. Time Period – 1991 - 2015 Measurement Frequency – Near Real Time TDWR – Terminal Doppler Weather Radar
- 25. Data Sources PSD Gridded Climate Datasets: All http://www.esrl.noaa.gov/psd/data/gridded/ NCAR UCAR Climate Data Guide https://climatedataguide.ucar.edu/