NetCDF (Network Common Data Form) is a set of software libraries and self-describing, machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data.

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PyGrADs: Importing NOAA Rainfall (.rt)/Exporting NetCDF

I am in the process of automating a workflow from downloading NOAA's Climate Prediction Center's Daily Rainfall data in Binary, using GrADS to convert and export to NetCDF, then arcpy to extract ...
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Getting warning when opening NetCDF file using gdal?

I am using windows 7(32-bit) and want to warp NetCDF (nc) files and save the output as GeoTIFF. First I run gdalinfo first to get the info of the subdataset I need and added NETCDF in the ...
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How to edit netcdf file to create eddies on the map?

I have a netcdf file about Sea Level Anomalies in the global range, and I can open this file in Arcgis using "Multidimension tools - Make NetCDF Raster Layer" as a map, now I want to create some ...
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Visualizing Space-Time-Cube netCDF file in ArcMap 10.3

I just created a netCDF file containing a Space-Time-Cube with 353 time steps using the new "Space-Time" Toolbox in ArcMap 10.3 However it seems, that only ArcGIS Pro can visualize this netCDF file ...
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24 views

gdal tool for extracting data

Is there any gdal tool available for obtaining data from number of files. actually i need atmospheric parameters which are downloaded from modis website. some datasets are not having data i.e ...
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27 views

NetCDF calculations

I have a raster of monthly average temperatures for the state of TX (represented as a grid) for a 50-yr period in the form of a netcdf file. I can display the temperatures but am not sure how to do ...
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115 views

Extract data from netcdf using a shapefile polygon in python

I need to subset data from a NetCDF using a specific shapefile. The data are sea surface temperature and ocean color at 1/4 degree resolution. I have 4 polygons describing the US. Northeast ...
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55 views

Calculating Climate Suitable Days using netCDF4 and Python?

This is a follow up to netCDF4 Python climate algorithm I’m relatively novice in using netCDF files, so I’m wondering if someone can check my logic on my process of delineating what has been defined ...
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16 views

NCEP Reanalysis Interpolation over regions

Given a netCDF4 file, how would one interpolate/average the data by regions in a shapefile? In reference, the publication below: ...
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3answers
68 views

Want cell linear regression values for a netCDF or multi-band raster

I have climate raster type netCDF data. I want the slope and other regression statistics of temperature for each cell over time. I have read that GEOV IDL can do a temporal regression to achieve ...
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80 views

Latitude and longitude of NetCDF layers in ArcGIS

I've been having a lot of trouble getting the Multidimension system toolbox to work in ArcGIS (10.3). In particular, the Make NetCDF Raster Layer tool does not pick up on numerical Latitude and ...
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34 views

How to harvest a thredds server correctly with geonetwork?

I am trying to harvest datasets (NetCDF) from a thredds server using geonetwork 2.10. People shall upload their NetCDF files to the thredds server and the CatalogScan element will list them. After the ...
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37 views

converting grib to netcdf with time dimension

I'm trying to convert grib files to NetCDF. The grib files contains subdata sets which are time related. Using the netcdfAll Java library with the NetCDF-4 C library works fine. java -Xmx1g ...
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63 views

How to avoid “Unable to compute a transformation between pixel/line”?

I am trying to re-project from Equi-rectangular to the NASA global EASE grid (Equal Area Scalable Earth) grid 1383 586 with a ~25 km cylindrical projection (ESPG=3410). The file is provided as HDF5. ...
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56 views

How I can extract a subset of years from a NetCDF file (e.g. to use in cell statistics)?

I want to use 5 years of data from a netCDF with 10 years of data (monthly slices). I saw this tutorial video that mentions this, but I can't figure out how to select more than one time slice. ...
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19 views

why when I use python to program the exact same command as netcdf make a table tool, the table is empty? [duplicate]

If I use the ArcGIS tool "create a table view from netcdf file" eveything works great, but I need to automate a marge larger program. When I use the exact same tool in python, the table it creates is ...
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44 views

netcdf python error

I am basically copying and pasting the code provided on Esri's website and every time I try to run it in ipython, the program crashes and needs to restart the kernels. The code is below, does anyone ...
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47 views

Iterate NetCDF with model builder ArcMap 10.2

I am building a model to batch convert NetCDF to raster. I don't know how to use file iteration here, the netCDF files are not accepted as input in the iteration. If I use a single input file the ...
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1answer
102 views

Monthly weather averages using NCEP/NCAR Reanalysis data

I'm a political science grad student and I've recently (and probably foolishly) committed to dipping my feet into GIS. Right now I need to build a table that has monthly precipitation and temperature ...
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3answers
165 views

Plotting Netcdf data. How to get right projection?

Maybe it's very easy for someone to fix, but I'a a new one in R, so I really need help. I/m trying to plot data containing lat, lon and variable (nmf2). The grid isn't a regular one, so there are some ...
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how to write a netcdf4 in the right manner [duplicate]

What is the standard way to write a netcdf4? I'm using this guide http://netcdf4-python.googlecode.com/svn/trunk/docs/netCDF4-module.html but when I dump the output file with ncdump, I get the error: ...
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62 views

standard way to write a netcdf4

What is the standard way to write a netcdf4? I'm using this guide http://netcdf4-python.googlecode.com/svn/trunk/docs/netCDF4-module.html but when I dump the output file with ncdump, I get the error: ...
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59 views

netCDF GDAL C# - time:unit?

I'm trying discover how to read the time:unit variable information information from a netCDF file and have run out of ideas. Without this info i cannot auto-magically process the files by date (which ...
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155 views

How to match a raster NetCDF data with a vector layer in QGIS?

When I load a raster layer with humidity data from NOAA database (for instance rhum.2m.2014.nc at ftp://ftp.cdc.noaa.gov/Datasets/NARR/Dailies/monolevel/) I am not able to match it with a simple map ...
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how to apply automatically current visualization option in NetCDF files using arcpy.mapping?

I am trying to create a time series animation automatically from NetCDF files, containing each file monthly data for the whole planet for periods of 10 years. I am writing a python script that reads ...
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2answers
112 views

GDAL reads NEX Climate projection datasets as netCDF on Mac, HDF5 on Ubuntu

I'm trying to work with the climate projection data that NASA released, and is hosted publicly on S3: http://aws.amazon.com/nasa/nex/. The data is available at s3://nasanex/NEX-DCP30. The code I'm ...
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81 views

Open a NetCDF file with multiple time step on QGIS (using Python console)

How to load a NetCDF-file into QGIS using Python? explains well how to load a NetCDF with PyQgis. However, it did not help me to choose among all the available time steps. Is there a way to import a ...
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27 views

Requirements to create ESRI Grid from CF-compliant NetCDF?

I found a lot of information how to create an ESRI grid from NetCDF without ever finding a list of requirements for the NetCDF format. CF compliant does not seem to be enough for ESRI sometimes. What ...
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255 views

What coordinate system is this netCDF raster?

I obtained a netCDF raster file, but I couldn't get any metadata to get the name of the coordinate system the raster has been built on. The raster itself doesn't have any coordinate system embedded. I ...
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54 views

FMRC feature in THREDDS presents timesteps incorrectly

I'm trying to set up a Forecast Model Run Collection using THREDDS. I have a collection of netCDF files, where the time at which the simulation was run is part of the filename: forecast_YYMMDDHHmm.nc ...
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112 views

Using netCDF4 Python climate algorithm?

I have been working in Python with the Acaconda Python distribution to create code that accomplishes the following algorithm: I have multiple variable netCDF4 files [NCEP Reanalysis tmax(K), tmin(K), ...
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49 views

Where do I find the legend for netCDF files in QGIS?

I'm using QGIS to make maps of the maize, rice and wheat cultivated area at global level. I found these great netCDF files: http://www.geog.mcgill.ca/landuse/pub/Data/175crops2000/NetCDF/ Here's an ...
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61 views

how to generate the average wind speed raster from time series wind datasets (in Netcdf file form)

I download the wind speed information in netCDF form from the 2001 - 2013(i.e 1/1/2001, 1/2/2001, 1/3/2001............. 1/11/2013,1/12/2013) In NetCDF file the 1st row contains latitude , 1 st ...
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106 views

gdalwarp with NETCDF files

I have been looking for it for a while but couldn't find what exactly I need. I have WRF outputs in NETCDF format and I want to convert them to Geotiffs with gdalwarp. I think my -s_srs should be ...
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142 views

How to calculate average wind speed at a particular location (given longitude and latitude)? [closed]

I am using ArcGIS 10.2 and new to this software. My question iss I have time series wind speed data in netCDF form. I extract netCDF in raster form after that in table form. Now I need How to ...
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73 views

How to upload NetCDF and HDF files to Geonode?

What is the best way to upload NetCDF and HDF files to Geonode? Are those formats supported natively, do I have to access them programatically, or do I need to convert them to another format first?
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Displaying band names in netcdf file in ArcGIS 10

I have several netcdf files that contain multiple bands with useful names. When I import into R, the names are intact. However, when I import the netcdf files into ArcGIS 10.2 using the makeNETCDF ...
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1answer
199 views

Export band names with NetCDF file in R

I am using R to work with multiband raster files and am running into a problem. I have named the bands, but when I export in netcdf format, the band names are being stripped. Anyone know how to ...
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1answer
66 views

Mapping NetCDF CF Mercator parameters to GDAL

I have coordinates on a mercator grid projection from a NetCDF (CF) file. The metadata attributes in the file include : standard_parallel, longitude_of_projection_origin, earth_shape (spherical), ...
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208 views

problem to open a netCDF and create a raster file

I want to open a netCDF file and create a raster with ArcMap 10.2. The file contains the mean monthly temperature for Switzerland. I found it in meteoswiss web site. I tried to open it with the ...
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56 views

different data range of raster file in mapserver and qgis

a NetCDF file with only one band with a data range from [0,1.1]. IDV & QGIS identifies it correctly, however gdalinfo finds the data range [1,26505]. Or could it be possible that gdalinfo is right ...
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1answer
1k views

Plotting NetCDF file using lat and lon contained in variables

I am trying to plot this NetCDF file (and similar) as a 2d contour map. The file contains a single layer of one variable, "pr". The file has 413x229 X-Y pixel coordinates, and, stored inside the ...
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192 views

How to import NetCDF to PostGIS (or GeoTIFF)

I was wondering if there are some online examples/instructions for importing NetCDF files into PostGIS raster images? I looked around, and found this related GIS SE question. However, the answer only ...
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Display a NetCDF file in 3D

Does anyone know how to display a netCDF in a 3D Scene Map in ArcGIS 10.2? something like the pretty 3d graphics at the UC I've got hundreds of thousands of points/cells with values for a stretch of ...
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247 views

Subset netCDF based on last valid variable by level

I have a netCDF file (in this LINK) which contains monthly average values for 4 parameters at 11 different depth levels (0-200m). I would like to extract the monthly value for temperature "votemper" ...
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217 views

Superimposing high resolution NetCDF data on Google Earth?

I have got output from Weather Research Forecasting Software(WRF) in NETCDF format. These are basically high resolution forecasts for precipitation and wind barbs(sea breeze circulations or slope ...
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219 views

How to open and plot Globcolour chlorophyll image in R?

Level 3 globcolour chlorophyll images (download from hermes) are in netCDF format. Those files can be imported via ncdf package to R 3.1. ch.nc = ...
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147 views

Extract single datapoint from netCDF file in R using ndcf

I'm trying to extract a single variable from a 3-dimensional netCDF file. [1] "file blah.nc has 3 dimensions:" [1] "longitude Size: 200" [1] "latitude Size: 100" [1] "time Size: 2000" [1] ...
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3k views

GDAL for Python: extracting subdomains from NetCDF file?

I need to make a script that processes a NetCDF file that contains 3 days of hourly forecast data from the norwegian meteorological office. The NetCDF file contains various data I need ...
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How to make a loop to MakeNetCDF Table View?

I was trying to write a code to extract grid point data from the NetCDF file. I am able to view and save the table data extracted as follow #Import system modules import arcpy # Set local ...