# Openradar **URL:** https://openradar.discourse.group/c/openradar/5.md [Latest](https://openradar.discourse.group/latest.md) · [Categories](https://openradar.discourse.group/categories.md) · [Tags](https://openradar.discourse.group/tags.md) --- ## [About the Openradar category](https://openradar.discourse.group/t/about-the-openradar-category/20)
**Author:** [@kmuehlbauer](https://openradar.discourse.group/u/kmuehlbauer)\ **Replies:** 0
Discussion about Openradar in general Here everything related to openradar github organization and related projects can be discussed. --- ## [Permanent Repo for Teaching and Course work](https://openradar.discourse.group/t/permanent-repo-for-teaching-and-course-work/683)
**Author:** [@kmuehlbauer](https://openradar.discourse.group/u/kmuehlbauer)\ **Replies:** 0\ **Last updated:** [July 17, 2026, 11:57am UTC](https://openradar.discourse.group/t/permanent-repo-for-teaching-and-course-work/683 "2026-07-17T11:57:30Z")
Hello Community! While working on ERAD2026 Open Radar Science Short Course - ERAD 2026 we shortly touched this in our last open radar meeting. Over the years we created quite some teaching material in different courses… --- ## [Identification of supercell thunderstorm](https://openradar.discourse.group/t/identification-of-supercell-thunderstorm/611)
**Author:** [@MohitDahliya](https://openradar.discourse.group/u/MohitDahliya)\ **Replies:** 2\ **Last updated:** [June 14, 2025, 3:21am UTC](https://openradar.discourse.group/t/identification-of-supercell-thunderstorm/611 "2025-06-14T03:21:26Z")
Is there any product or package available to identify a thunderstorm as supercell, using radar data? For instance, a defining feature of a supercell is a rotating updraft, or a mesocyclone. So, a product using doppler ve… --- ## [RADAR-API - Simplified access to radar archive on the cloud](https://openradar.discourse.group/t/radar-api-simplified-access-to-radar-archive-on-the-cloud/552)
**Author:** [@ghiggi](https://openradar.discourse.group/u/ghiggi)\ **Replies:** 0\ **Last updated:** [February 3, 2025, 12:37pm UTC](https://openradar.discourse.group/t/radar-api-simplified-access-to-radar-archive-on-the-cloud/552 "2025-02-03T12:37:00Z")
Hello everyone, I’ve developed an easy-to-use library called RADAR-API that provides a simple, unified interface for searching and downloading data from various radar networks. You can find it on GitHub at https://githu… --- ## [Beam Blockage Correction](https://openradar.discourse.group/t/beam-blockage-correction/473)
**Author:** [@yslak](https://openradar.discourse.group/u/yslak)\ **Replies:** 0\ **Last updated:** [June 5, 2024, 12:48pm UTC](https://openradar.discourse.group/t/beam-blockage-correction/473 "2024-06-05T12:48:39Z")
Hello Wradlib API has support and examples for Beam Blockage calculation. Using that API I have calculated the beam blockage. Now that I have the beam blockage, how can I apply the correction ? --- ## [Problem when plotting altitude vs reflectivity from imd type b radar data](https://openradar.discourse.group/t/problem-when-plotting-altitude-vs-reflectivity-from-imd-type-b-radar-data/459)
**Author:** [@ankithva](https://openradar.discourse.group/u/ankithva)\ **Replies:** 3\ **Last updated:** [May 10, 2024, 1:50pm UTC](https://openradar.discourse.group/t/problem-when-plotting-altitude-vs-reflectivity-from-imd-type-b-radar-data/459 "2024-05-10T13:50:10Z")
when iam trying to plot ALTITUDE VS REFLECTIVITY USING THE CODE BELOW : import matplotlib.pyplot as plt import numpy as np import glob import pyart # Assuming grid\_files is defined as in your code grid\_files = glob.… --- ## [ERAD 2024 Short Course Planning](https://openradar.discourse.group/t/erad-2024-short-course-planning/425)
**Author:** [@mgrover1](https://openradar.discourse.group/u/mgrover1)\ **Replies:** 7\ **Last updated:** [April 11, 2024, 7:10am UTC](https://openradar.discourse.group/t/erad-2024-short-course-planning/425 "2024-04-11T07:10:42Z")
Hi All! Thanks to @kmuehlbauer for submitting the short course proposal for this year’s ERAD Open Radar Short Course :raised\_hands: We should meet to start discussing initial infrastructure and curriculum plans here, a… --- ## [Suggest me a method to classify stratiform and convective rate and to extract the corresponding reflectivity value](https://openradar.discourse.group/t/suggest-me-a-method-to-classify-stratiform-and-convective-rate-and-to-extract-the-corresponding-reflectivity-value/435)
**Author:** [@ankithva](https://openradar.discourse.group/u/ankithva)\ **Replies:** 1\ **Last updated:** [March 22, 2024, 1:22pm UTC](https://openradar.discourse.group/t/suggest-me-a-method-to-classify-stratiform-and-convective-rate-and-to-extract-the-corresponding-reflectivity-value/435 "2024-03-22T13:22:12Z")
suggest me a method to classify stratiform and convective rate and to extract the corresponding reflectivity value (using gridded IMD doppler weather radar data) --- ## [There is an index error occuring when iam trying to estimate rain rate using python wradlib](https://openradar.discourse.group/t/there-is-an-index-error-occuring-when-iam-trying-to-estimate-rain-rate-using-python-wradlib/400)
**Author:** [@ankithva](https://openradar.discourse.group/u/ankithva)\ **Replies:** 2\ **Last updated:** [February 15, 2024, 4:32pm UTC](https://openradar.discourse.group/t/there-is-an-index-error-occuring-when-iam-trying-to-estimate-rain-rate-using-python-wradlib/400 "2024-02-15T16:32:28Z")
grid2 = pyart.io.read\_grid(“D:/radar data/radinout/griddedradout20/griddedradout20grid\_ZDR\_JPR220620165253-IMD-B.nc”) xg2 = grid2.to\_xarray() Z1 = wrl.trafo.idecibel(xg1.REF\[0,0\]) rain1 = wrl.zr.z\_to\_r(Z1,a = 200,b=1.… --- ## [Open Radar Short Course 2023 Feedback](https://openradar.discourse.group/t/open-radar-short-course-2023-feedback/292)
**Author:** [@mgrover1](https://openradar.discourse.group/u/mgrover1)\ **Replies:** 0\ **Last updated:** [August 27, 2023, 5:56pm UTC](https://openradar.discourse.group/t/open-radar-short-course-2023-feedback/292 "2023-08-27T17:56:21Z")
Feel free to leave feedback from the Open Radar Short Course at the AMS Radar Meeting --- ## [What are the data validation steps or statistical tests that can be applied to test the accuracy of RADOLAN data?](https://openradar.discourse.group/t/what-are-the-data-validation-steps-or-statistical-tests-that-can-be-applied-to-test-the-accuracy-of-radolan-data/252)
**Author:** [@SandeepAllampalli](https://openradar.discourse.group/u/SandeepAllampalli)\ **Replies:** 1\ **Last updated:** [June 13, 2023, 6:05am UTC](https://openradar.discourse.group/t/what-are-the-data-validation-steps-or-statistical-tests-that-can-be-applied-to-test-the-accuracy-of-radolan-data/252 "2023-06-13T06:05:53Z")
Hello everyone, I am wondering, if there are any specific tests to vadilate RADOLAN data. Thanks in advance, Sandeep --- ## [No space in my local disk to save .asc files of total size around 300GB](https://openradar.discourse.group/t/no-space-in-my-local-disk-to-save-asc-files-of-total-size-around-300gb/51)
**Author:** [@SandeepAllampalli](https://openradar.discourse.group/u/SandeepAllampalli)\ **Replies:** 6\ **Last updated:** [June 7, 2023, 8:49pm UTC](https://openradar.discourse.group/t/no-space-in-my-local-disk-to-save-asc-files-of-total-size-around-300gb/51 "2023-06-07T20:49:03Z")
I have written python script to download .tar files in ASCII format and I tried to extract them in my local folder. But my local disk space was not sufficient to accommodate all files of size around 300GB (data files fro… --- ## [Does Py-ART allows users to extract and analyze reflectivity values from radar data(RADOLAN), which can help in distinguishing between convective and stratiform precipitation?](https://openradar.discourse.group/t/does-py-art-allows-users-to-extract-and-analyze-reflectivity-values-from-radar-data-radolan-which-can-help-in-distinguishing-between-convective-and-stratiform-precipitation/243)
**Author:** [@SandeepAllampalli](https://openradar.discourse.group/u/SandeepAllampalli)\ **Replies:** 6\ **Last updated:** [June 6, 2023, 6:09am UTC](https://openradar.discourse.group/t/does-py-art-allows-users-to-extract-and-analyze-reflectivity-values-from-radar-data-radolan-which-can-help-in-distinguishing-between-convective-and-stratiform-precipitation/243 "2023-06-06T06:09:25Z")
Hello everyone, My research is on “Identification of different precipitation types and its changes using high resolution Radolan data over Brandenburg, Germany”. For that I have downloaded data fromhttps://opendata.dw… --- ## [Identifying Precipitation types using RADOLAN data (RW Product)](https://openradar.discourse.group/t/identifying-precipitation-types-using-radolan-data-rw-product/242)
**Author:** [@SandeepAllampalli](https://openradar.discourse.group/u/SandeepAllampalli)\ **Replies:** 2\ **Last updated:** [June 4, 2023, 2:31pm UTC](https://openradar.discourse.group/t/identifying-precipitation-types-using-radolan-data-rw-product/242 "2023-06-04T14:31:43Z")
Hello everyone, I currently working on RADOLAN binary data. I am trying to classify my data according to different Precipitation types available in the documentation Precipitation Types Please guide me here if it is p… --- ## [Gamic to Odim "how"](https://openradar.discourse.group/t/gamic-to-odim-how/224)
**Author:** [@yslak](https://openradar.discourse.group/u/yslak)\ **Replies:** 1\ **Last updated:** [April 23, 2023, 11:47am UTC](https://openradar.discourse.group/t/gamic-to-odim-how/224 "2023-04-23T11:47:35Z")
Hello I am using the xradar to translate gamic to odim hdf5 After translation, the root/how is left empty: dtree = xradar.io.open\_gamic\_datatree(file) xradar.io.export.odim.to\_odim( file’, optional\_how=True, source=‘… --- ## [Unable to install wradlib in linux](https://openradar.discourse.group/t/unable-to-install-wradlib-in-linux/65)
**Author:** [@Muru](https://openradar.discourse.group/u/Muru)\ **Replies:** 3\ **Last updated:** [February 5, 2023, 4:20pm UTC](https://openradar.discourse.group/t/unable-to-install-wradlib-in-linux/65 "2023-02-05T16:20:14Z")
HI, I am unable to install wradlib in linux. It fails with below error. I am using Python 3.6.8 and pip install wradlib Any help would be appreciated. Collecting GDAL Using cached GDAL-3.5.2.tar.gz (756 kB) Prepar… --- ## [Open Radar Presentation at AGU Annual Meeting](https://openradar.discourse.group/t/open-radar-presentation-at-agu-annual-meeting/118)
**Author:** [@mgrover1](https://openradar.discourse.group/u/mgrover1)\ **Replies:** 6\ **Last updated:** [December 12, 2022, 3:18pm UTC](https://openradar.discourse.group/t/open-radar-presentation-at-agu-annual-meeting/118 "2022-12-12T15:18:41Z")
Hey all, Here is the draft of my presentation for AGU. Please let me know if people have any comments or suggestions! (@kmuehlbauer @scollis @DanielMichelson @jfigui ) --- ## [ValueError: unrecognized engine radolan must be one of: \['netcdf4', 'h5netcdf', 'scipy', 'rasterio', 'store'\]](https://openradar.discourse.group/t/valueerror-unrecognized-engine-radolan-must-be-one-of-netcdf4-h5netcdf-scipy-rasterio-store/124)
**Author:** [@mnovitasari](https://openradar.discourse.group/u/mnovitasari)\ **Replies:** 3\ **Last updated:** [December 10, 2022, 3:59pm UTC](https://openradar.discourse.group/t/valueerror-unrecognized-engine-radolan-must-be-one-of-netcdf4-h5netcdf-scipy-rasterio-store/124 "2022-12-10T15:59:16Z")
Hi, I am trying to open radolan data using wradlib using xarray backend. I’ve tried as follows: ds = xr.open\_mfdataset(rw\_filename, engine=“radolan”) and ds = wrl.io.open\_radolan\_dataset(rw\_filename) But both didn’t… --- ## [Will Pyart or Wradlib packages takecare of add\_factor scale\_factor automatically of an NC file?](https://openradar.discourse.group/t/will-pyart-or-wradlib-packages-takecare-of-add-factor-scale-factor-automatically-of-an-nc-file/91)
**Author:** [@adithiyrnair](https://openradar.discourse.group/u/adithiyrnair)\ **Replies:** 2\ **Last updated:** [November 7, 2022, 9:50am UTC](https://openradar.discourse.group/t/will-pyart-or-wradlib-packages-takecare-of-add-factor-scale-factor-automatically-of-an-nc-file/91 "2022-11-07T09:50:41Z")
I am trying to plot Some Cappi and Max-Z plots of some of The polar data. But for Some fields, the values look very strange, especially for PHIDP values. Although the range should be from 0 to 360. Even a continuous swee… --- ## [AttributeError: Module 'osgeo.osr' is not installed](https://openradar.discourse.group/t/attributeerror-module-osgeo-osr-is-not-installed/84)
**Author:** [@SandeepAllampalli](https://openradar.discourse.group/u/SandeepAllampalli)\ **Replies:** 3\ **Last updated:** [November 3, 2022, 11:23am UTC](https://openradar.discourse.group/t/attributeerror-module-osgeo-osr-is-not-installed/84 "2022-11-03T11:23:34Z")
Hello there, Python version: 3.9.12 wradlib version: 1.17.0 I tried to reinstall the latest version of wradlib using conda in my virtual environment. It got successfully installed. When I was trying to read the data s… --- ## [Reading radolan ascii format files](https://openradar.discourse.group/t/reading-radolan-ascii-format-files/35)
**Author:** [@SandeepAllampalli](https://openradar.discourse.group/u/SandeepAllampalli)\ **Replies:** 3\ **Last updated:** [October 20, 2022, 7:52am UTC](https://openradar.discourse.group/t/reading-radolan-ascii-format-files/35 "2022-10-20T07:52:07Z")
Hello all, I am trying to read data from (Index of /climate\_environment/CDC/grids\_germany/hourly/radolan/historical/asc/). I have downloaded the data to my local machine. For reference I am writing my code below in comm… --- ## [EOFError: Unexpected EOF detected while reading RADOLAN header](https://openradar.discourse.group/t/eoferror-unexpected-eof-detected-while-reading-radolan-header/59)
**Author:** [@SandeepAllampalli](https://openradar.discourse.group/u/SandeepAllampalli)\ **Replies:** 6\ **Last updated:** [October 20, 2022, 7:33am UTC](https://openradar.discourse.group/t/eoferror-unexpected-eof-detected-while-reading-radolan-header/59 "2022-10-20T07:33:40Z")
Hi all, I am trying to read radolan file which is in ASCII format. I am using following versions. python=3.9.13 wradlib version=1.16.2 import wradlib as wrl import xarray as xr import matplotlib.pyplot as pl import w… --- ## [Is there any way to download .tar files from web to local folder fast?](https://openradar.discourse.group/t/is-there-any-way-to-download-tar-files-from-web-to-local-folder-fast/43)
**Author:** [@SandeepAllampalli](https://openradar.discourse.group/u/SandeepAllampalli)\ **Replies:** 2\ **Last updated:** [October 11, 2022, 8:34pm UTC](https://openradar.discourse.group/t/is-there-any-way-to-download-tar-files-from-web-to-local-folder-fast/43 "2022-10-11T20:34:39Z")
I am trying to download a batch of .tar files from the following website to my local folder. But the download is very slow. Average size of each file is in the range of 30 - 60 MB. Download of these files from web to loc… --- ## [Confusion with io function names](https://openradar.discourse.group/t/confusion-with-io-function-names/37)
**Author:** [@jorahu](https://openradar.discourse.group/u/jorahu)\ **Replies:** 5\ **Last updated:** [October 6, 2022, 9:26am UTC](https://openradar.discourse.group/t/confusion-with-io-function-names/37 "2022-10-06T09:26:05Z")
I was trying to read IRIS data with wrl.io.open\_iris\_dataset() (\<- worked okay), then convert it to OPERA ODIM\_H5 with wrl.io.xarray.to\_odim (\<- worked okay). To test this I tried to read the newly made .h5 with wrl.io.… --- ## [Reading Radolan RW files](https://openradar.discourse.group/t/reading-radolan-rw-files/39)
**Author:** [@Muru](https://openradar.discourse.group/u/Muru)\ **Replies:** 8\ **Last updated:** [October 9, 2022, 4:29pm UTC](https://openradar.discourse.group/t/reading-radolan-rw-files/39 "2022-10-09T16:29:34Z")
Hi Guys, Wradlib Version: 1.16.2 Python Version: 3.10.5 I am able to read and plot the graph with raa01-rw\_10000-2208301350-dwd—bin.gz file with xy co-ordinates. The below code works fine. But I want your … --- ## [Openradar projects](https://openradar.discourse.group/t/openradar-projects/23)
**Author:** [@kmuehlbauer](https://openradar.discourse.group/u/kmuehlbauer)\ **Replies:** 1\ **Last updated:** [September 28, 2022, 1:47pm UTC](https://openradar.discourse.group/t/openradar-projects/23 "2022-09-28T13:47:25Z")
This is a discussion place for all projects under openradar · GitHub as well as projects listed on Projects — Open Radar Science Community 1.0 documentation or any other open source software projects used in weather rada… --- ## [Reading automatically parameters from a radar file](https://openradar.discourse.group/t/reading-automatically-parameters-from-a-radar-file/25)
**Author:** [@haely12](https://openradar.discourse.group/u/haely12)\ **Replies:** 1\ **Last updated:** [September 28, 2022, 12:53pm UTC](https://openradar.discourse.group/t/reading-automatically-parameters-from-a-radar-file/25 "2022-09-28T12:53:50Z")
Hello everyone, Hope you’re doing well Plz how can I read parameters from the file automatically instead of writing them manually NB : My radar files are in mvol format, and for example here, I want them to be read au… --- ## [Xradar - Data Model and Features](https://openradar.discourse.group/t/xradar-data-model-and-features/22)
**Author:** [@kmuehlbauer](https://openradar.discourse.group/u/kmuehlbauer)\ **Replies:** 0\ **Last updated:** [September 28, 2022, 6:31am UTC](https://openradar.discourse.group/t/xradar-data-model-and-features/22 "2022-09-28T06:31:07Z")
Already quite some effort was put into xradar package for reading and writing radar data. The current documentation is available at xradar — xradar 0.0.8.dev3+g7cb42bf documentation. You already can play with the packag…