System are monthly global precipitation gpcp but i do not know where is possible to download daily data in netcdf format. Global precipitation climatology project gpcp climate. These missions study rainfall and other types precipitation around the globe. The monthly data is already available in version 2. Here are the gpcp monthly data in netcdf format available for the two most recent months.
The global precipitation climatology project gpcp was established by the world climate research programme to quantify the distribution of precipitation around the globe over many years. Interim gpcp estimates are provisional estimates of gpcp available 10 days after the end of the month. The gpcp monthly product provides a consistent analysis of global precipitation from an integration of various satellite data sets over land and ocean and a gauge analysis over land. Monthly mean surface precipitation of trmm version 7 from december 1997 to september 2012 is available in netcdf format in. Global precipitation climatology project gpcp monthly. Monthly values 201401 through near present first guess. February 27, 2019 the gpcp daily analysis is a companion to the gpcp monthly analysis, and provides globally complete precipitation estimates at a spatial resolution of one degree latitudelongitude and daily time scale from october. The daily and monthly rainfall data are in the netcdf format. If netcdf creation is desired and file space is a concern, it may be best to pack the precipitation values. Gpcc global precipitation climatology centre monthly precipitation dataset from 1901present is calculated from global station data. The global precipitation climatology project gpcp was established by the world climate research program wcrp to address the problem of quantifying the distribution of precipitation around the globe over many years.
Global precipitation at onedegree daily resolution from. If i download the synoptic monthly means of total precipitation from ecmwf for year 20002001 with select time set to 00. The gpcp daily analysis is a companion to the gpcp monthly analysis, and provides globally complete precipitation estimates at a spatial resolution of one degree latitudelongitude and daily time scale from october 1996 to the present. It uses adjusted soundingbased rain rates from tovs and airs infrared satellite retrievals elsewhere. Global precipitation climatology project gpcp climate data record cdr, version 2. Global precipitation gpcp icdc universitat hamburg. Gpccs monitoring product is used as landsurface reference for the gpcp.
Long term monthly means, derived from the monthly data spatial coverage. Precipitation data are taken from gpccs full data monthly product and temperature data from noaas climate prediction center cpc monthly global surface air temperature data set. Aggregation periods of 1, 3, 6, 9, 12, 24 and 48 months are calculated and available as netcdf files through the gpcc download. Enso precipitation index espi maps of gpcp interim icdr and gpcp cdr for past several months. The data set source should be acknowledged when the data are used. Global precipitation climatology project gpcp monthly, version 2. Global precipitation climatology project monthly precipitation dataset from 1979present combines. This data set consists of monthly means of precipitation derived from satellite and gauge measurements. Monthly and daily products of the global precipitation climatology project gpcp are evaluated through a comparison with finnish meteorological institute fmi gauge observations for the period january 1995december 2007 to assess the quality of the gpcp estimates at high latitudes. More information about using netcdf files including the netcdf clibrary is available from the university corporation for atmospheric research ucar. The version2 global precipitation climatology project. This dataset provides scientific researchers a high quality climate data record cdr of global precipitation, from the global precipitation climatology project gpcp. The gpcp 1dd product provides precipitation estimates on a 1degree grid over the entire globe at 1day daily for the period october 1996 present. Comparison of the gpcp and cmap merged gaugesatellite monthly precipitation products for the period 19792001.
Global precipitation climatology project gpcp monthly, version. Global precipitation climatology project monthly precipitation dataset from 1979 present combines. Overview and access to gpcp, trmm, and gpm precipitation. The global precipitation climatology project gpcp version2 monthly precipitation analysis is described.
This document describes the highlevel procedures, inputs, and outputs, of the gpcp v3. To open it change kmz to zip, open with zip, extract the kml file inside the zip, and open the kml file with any text editor. The simulation used with gdas and gpcp only from 2000 to february 2001, followed by addition of agrmet for march 1, 2001 onwards. First guess monthly of monthly precipitation anomalies based on synop. Global precipitation climatology project gpcp nasas mesoscale atmospheric processes laboratory produces the global precipitation climatology project gpcp monthly precipitation dataset from 1979present by combining observations and satellite precipitation data into 2.
The gpcp daily analysis is a companion to the gpcp monthly analysis, and provides globally complete precipitation estimates at a spatial resolution. Gpcp monthly data the gpcp monthly dataset is a widelyused global monthly gridded precipitation dataset. It provides global estimates of monthly precipitation using a multisatellite approach. Trmm data downloads precipitation measurement missions. April 2020 march 2020 the full record of gpcp monthly data can be obtained from the official download site at ncei. Apdrc datadoc gpcp merged daily precipitation version 1. Gpcp monthly analysis gpcp interimlatest month interim gpcp estimates are provisional estimates of gpcp available 10 days after the end of the month. I will not be updating the netcdf version of this data set until i have a need for updated data. Evaluation of satellitebased and reanalysis precipitation. The full record of gpcp monthly data can be obtained from the official download site at ncei. Gpcp uses the threshold matched precipitation index tmpi to obtain daily precipitation estimates, with the conditional rain rate based on the local monthly precipitation data between 40 n and s. Here are the gpcp monthly data in netcdf format available for the two most.
This globally complete, monthly analysis of surface precipitation at 2. The official website for nasa precipitation measurement missions. Here are the gpcp interim data in netcdf format for the last two months full gpcp data unavailable yet. Read a hdfsds file containing monthly precipitation rates derived from the 3a25 precipitation algorithm. The global precipitation climatology project gpcp comprises a total of 27 products. Gpcp global precipitation climatology project gpcp. The global precipitation climatology project gpcp daily precipitation is produced at the nasa goddard space flight center. Global precipitation climatology project gpcp climate data record cdr, version 1. Working with a simple netcdf file in arcgis 10 duration. Comparison of gpcp monthly and daily precipitation. Reading the gpcp daily precipitation dataset using ncl. In each case the multisatellite data are adjusted to the largearea mean of the gauge analysis, where available mostly over land, and then combined with the gauge.
The precipitation estimates are derived by different methods in the tropics and the extratropics, and the documentation available at the above www page. Pdf the global precipitation climatology project gpcp. To compile the cprogram you will need to install the netcdf library on your computer. The units are mmmonth for the monthly data and mmyear for the annual data. Variable, statistic, level, download file, create plotsubset. Gobal precipitation climatology project gpcp version 2. How to calculate rainfall anomaly index rai in ms excel by adapting van rooy equation 1965 duration. The global precipitation climatology project gpcp data set that was established by the world climate research programme. Noaa cpc morphing technique cmorph global precipitation analyses version 0. Jisao data global precipitation climatology project gpcp daily precipitation version 1dd v1. There is a netcdf attribute that has the first month of the interim data.
Algorithm theoretical basis document atbd for global. Also data set can be downloaded from hadley center. The general approach was to combine the precipitation information available from each of several sources into a final merged product, taking advantage of the strengths of each data type. Has anybody compared daily rainfall time series from gpcp 1dd. In support of this work an international group of precipitation experts developed and produces the gpcp version 2 monthly satellitegauge sg, pentad, and. The multisatellite data are averaged to the monthly scale and combined with the global precipitation climatology centres gpcc monthly surface precipitation gauge analysis. The global precipitation measurement gpm mission provides a new generation of satellite observations of rain and snow worldwide every three hours for scientific research and societal benefits. Global precipitation climatology project gpcp daily precipitation. From the documentation the work is being carried out as part of the global precipitation climatology project gpcp, an international project of the wmowcrpgewex designed to provide improved longrecord estimates of precipitation over the globe. Newly released trmm version 7 products, gpcp version 2. Global analyses of monthly precipitation derived from satellite and surface measurements.
Monthly values 200701 through near present monitoring. Global precipitation climatology project gpcp version 2. Data from rain gauge stations, satellites, and sounding observations have been merged to estimate monthly rainfall on a 2. Global precipitation climatology project gpcp clearinghouse. The gpcp combined precipitation data were provided by the nasagoddard space flight centers laboratory for atmospheres, which develops and computes the dataset as a contribution to the gewex global precipitation climatology project. They can be used for the most recent months for which gpcp is unavailable. The dataset begins in 1979 and continues through the present, with some delay for processing.