# \#wradlib **URL:** https://openradar.discourse.group/tag/wradlib/3.md [Latest](https://openradar.discourse.group/latest.md) · [Categories](https://openradar.discourse.group/categories.md) · [Tags](https://openradar.discourse.group/tags.md) --- ## [Non-meteorological echoes using fuzzy echo classification](https://openradar.discourse.group/t/non-meteorological-echoes-using-fuzzy-echo-classification/658)
**Author:** [@NicolasChaves53](https://openradar.discourse.group/u/NicolasChaves53)\ **Replies:** 2\ **Last updated:** [November 8, 2025, 7:35pm UTC](https://openradar.discourse.group/t/non-meteorological-echoes-using-fuzzy-echo-classification/658 "2025-11-08T19:35:48Z")
Hello everyone, I am happy to start using some useful tools available in libraries such as wradlib. I am currently performing quality control on X-band radar data. For the moment, I have created cumulative beam blockag… --- ## [Echo top height estimation feom ground radar data set](https://openradar.discourse.group/t/echo-top-height-estimation-feom-ground-radar-data-set/627)
**Author:** [@ankithva](https://openradar.discourse.group/u/ankithva)\ **Replies:** 0\ **Last updated:** [July 21, 2025, 7:47pm UTC](https://openradar.discourse.group/t/echo-top-height-estimation-feom-ground-radar-data-set/627 "2025-07-21T19:47:42Z")
Any body knows how to estimte /calculate echo top height from IMD indian S BAND doppler radar data, i tried with modified ETH algorithm proposed by Lakshmanan et al. (2013) with 5 years of radar data to calculate m… --- ## [PrePEP 2025 Open Radar Science Short Course - Review](https://openradar.discourse.group/t/prepep-2025-open-radar-science-short-course-review/581)
**Author:** [@kmuehlbauer](https://openradar.discourse.group/u/kmuehlbauer)\ **Replies:** 0\ **Last updated:** [March 27, 2025, 7:27am UTC](https://openradar.discourse.group/t/prepep-2025-open-radar-science-short-course-review/581 "2025-03-27T07:27:52Z")
Dear All, first I apologize for not announcing this short course beforehand. Nevertheless I’m going to link it here to feature our combined efforts of enforcing Open Radar Science. The course has been held right befo… --- ## [Generate Geotiff from Rainbow file with wradlib](https://openradar.discourse.group/t/generate-geotiff-from-rainbow-file-with-wradlib/231)
**Author:** [@d-siden](https://openradar.discourse.group/u/d-siden)\ **Replies:** 10\ **Last updated:** [March 7, 2025, 6:42am UTC](https://openradar.discourse.group/t/generate-geotiff-from-rainbow-file-with-wradlib/231 "2025-03-07T06:42:24Z")
Hi, I’m trying to follow this tutorial in order to get data from a Rainbow (.vol) file and export it to a Geotiff file. However the tutorial refers to RADOLAN dataset, and I’m having difficulties in figuring out how to … --- ## [Open Radar Community Meeting](https://openradar.discourse.group/t/open-radar-community-meeting/181)
**Author:** [@mgrover1](https://openradar.discourse.group/u/mgrover1)\ **Replies:** 32\ **Last updated:** [February 19, 2025, 3:45pm UTC](https://openradar.discourse.group/t/open-radar-community-meeting/181 "2025-02-19T15:45:16Z")
Hi All, At our previous Py-ART development meeting, we brought up the idea of moving toward a broader Open Radar community meeting, focused more on the community instead of just the development of a single package. Is … --- ## [Adjust radar with rain gauge](https://openradar.discourse.group/t/adjust-radar-with-rain-gauge/541)
**Author:** [@skr5332](https://openradar.discourse.group/u/skr5332)\ **Replies:** 11\ **Last updated:** [January 9, 2025, 10:40am UTC](https://openradar.discourse.group/t/adjust-radar-with-rain-gauge/541 "2025-01-09T10:40:43Z")
Hello Guys! When i tried gauge adjust method “wrl.adjust.AdjustAdd” i got the following error stating “TypeError: ‘\<’ not supported between instances of ‘SingleBlockManager’ and ‘float’”. I would like your help to try… --- ## [Wradlib zonalstats with dataset with rotated WGS84 CRS](https://openradar.discourse.group/t/wradlib-zonalstats-with-dataset-with-rotated-wgs84-crs/542)
**Author:** [@plvoit](https://openradar.discourse.group/u/plvoit)\ **Replies:** 3\ **Last updated:** [December 5, 2024, 11:55am UTC](https://openradar.discourse.group/t/wradlib-zonalstats-with-dataset-with-rotated-wgs84-crs/542 "2024-12-05T11:55:12Z")
Hello, I usually use wradlib to extraxt precipitation from the RADKLIM and RADOLAN dataset (DWD). Now I want to do the same but with the output of a climate model, which has a rotated WGS84 as CRS. I am struggling to se… --- ## [Recommendations for Radar Beam Blocking Problem](https://openradar.discourse.group/t/recommendations-for-radar-beam-blocking-problem/451)
**Author:** [@eltonrobaina](https://openradar.discourse.group/u/eltonrobaina)\ **Replies:** 2\ **Last updated:** [November 25, 2024, 3:49pm UTC](https://openradar.discourse.group/t/recommendations-for-radar-beam-blocking-problem/451 "2024-11-25T15:49:02Z")
Hello! I would like help from this communit again! I have been studying data from the radar that have a beam blocking. You can see in the plots below that I made with py-art and wradlib. I have tried techniques like… --- ## [Reprojection of RADOLAN bin data to UTM tif](https://openradar.discourse.group/t/reprojection-of-radolan-bin-data-to-utm-tif/486)
**Author:** [@tschneider](https://openradar.discourse.group/u/tschneider)\ **Replies:** 1\ **Last updated:** [July 26, 2024, 2:39pm UTC](https://openradar.discourse.group/t/reprojection-of-radolan-bin-data-to-utm-tif/486 "2024-07-26T14:39:26Z")
I am trying to convert RADKLIM binary data from Index of /climate\_environment/CDC/grids\_germany/5\_minutes/radolan/reproc/2017\_002/bin/ to a Geotif with EPSG 25832. Here is the relevant snippet from my script: import os,… --- ## [Georeferencing single sweep data and converting to numpy array](https://openradar.discourse.group/t/georeferencing-single-sweep-data-and-converting-to-numpy-array/353)
**Author:** [@atmoboran](https://openradar.discourse.group/u/atmoboran)\ **Replies:** 7\ **Last updated:** [June 8, 2024, 8:43am UTC](https://openradar.discourse.group/t/georeferencing-single-sweep-data-and-converting-to-numpy-array/353 "2024-06-08T08:43:45Z")
Hello, Is there any recipe on how to (1.) georeference single sweep (!) data,(2.) transform it to cartesian coordinates and then (3.) to a numpy array? Basically what happened here ( Recipe #2: Reading and visualizing … --- ## [What are the angles in the scan strategy?](https://openradar.discourse.group/t/what-are-the-angles-in-the-scan-strategy/477)
**Author:** [@atmoboran](https://openradar.discourse.group/u/atmoboran)\ **Replies:** 1\ **Last updated:** [June 8, 2024, 8:40am UTC](https://openradar.discourse.group/t/what-are-the-angles-in-the-scan-strategy/477 "2024-06-08T08:40:01Z")
Dear all, I am very confused about the scan strategy plots. What do the elevation angles refer to? Because e.g. 25° for me looks more like \>45°. Best regards, Boran --- ## [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 ? --- ## [Iam having problem in extracting(20 to 40 dbz) and potting reflectivity to rainrate](https://openradar.discourse.group/t/iam-having-problem-in-extracting-20-to-40-dbz-and-potting-reflectivity-to-rainrate/468)
**Author:** [@ankithva](https://openradar.discourse.group/u/ankithva)\ **Replies:** 3\ **Last updated:** [May 12, 2024, 11:54am UTC](https://openradar.discourse.group/t/iam-having-problem-in-extracting-20-to-40-dbz-and-potting-reflectivity-to-rainrate/468 "2024-05-12T11:54:56Z")
I need to plot rainfall(IMD) (20dbz to 40 dbz) so when iam trying to plot it values greater than 40 dbz is also coming ,i will mention code bellow: import numpy as np import matplotlib.pyplot as plt import cartopy.crs… --- ## [ValueError: could not broadcast input array from shape (40,250,250) into shape (250,250)](https://openradar.discourse.group/t/valueerror-could-not-broadcast-input-array-from-shape-40-250-250-into-shape-250-250/443)
**Author:** [@ankithva](https://openradar.discourse.group/u/ankithva)\ **Replies:** 11\ **Last updated:** [April 10, 2024, 8:15am UTC](https://openradar.discourse.group/t/valueerror-could-not-broadcast-input-array-from-shape-40-250-250-into-shape-250-250/443 "2024-04-10T08:15:07Z")
import matplotlib.pyplot as plt import cartopy.crs as ccrs import cartopy.feature as cfeature from cartopy.mpl.gridliner import LONGITUDE\_FORMATTER, LATITUDE\_FORMATTER import numpy as np import warnings import wradlib as… --- ## [Data quality and storing file](https://openradar.discourse.group/t/data-quality-and-storing-file/436)
**Author:** [@shridharIITM](https://openradar.discourse.group/u/shridharIITM)\ **Replies:** 5\ **Last updated:** [March 27, 2024, 7:43am UTC](https://openradar.discourse.group/t/data-quality-and-storing-file/436 "2024-03-27T07:43:59Z")
Hi Wradlib version 2.0.3 Python version 3.12.2 I am using gabella filter on radar data using wradlib. I want to store the filtered data to store the output as cfradial so that it can be used in part easily but during… --- ## [Interpolation of radar and rain gauge data with wradlib](https://openradar.discourse.group/t/interpolation-of-radar-and-rain-gauge-data-with-wradlib/429)
**Author:** [@eltonrobaina](https://openradar.discourse.group/u/eltonrobaina)\ **Replies:** 6\ **Last updated:** [March 25, 2024, 1:06pm UTC](https://openradar.discourse.group/t/interpolation-of-radar-and-rain-gauge-data-with-wradlib/429 "2024-03-25T13:06:22Z")
Hello guys! How are you? Recently, I have been trying to interpolate data from rain gauges and radar here in Brazil to improve accuracy. I have had success applying Gage adjustment methods with, for example, AdjustMulti… --- ## [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) --- ## [How to plot the accumulated (for a day/single plot) // how can i extract reflectivity values of stratiform and convective for evaluation](https://openradar.discourse.group/t/how-to-plot-the-accumulated-for-a-day-single-plot-how-can-i-extract-reflectivity-values-of-stratiform-and-convective-for-evaluation/432)
**Author:** [@ankithva](https://openradar.discourse.group/u/ankithva)\ **Replies:** 0\ **Last updated:** [March 21, 2024, 6:58pm UTC](https://openradar.discourse.group/t/how-to-plot-the-accumulated-for-a-day-single-plot-how-can-i-extract-reflectivity-values-of-stratiform-and-convective-for-evaluation/432 "2024-03-21T18:58:38Z")
1)How to plot the accumulated (for a day/single plot) ? 2)how can i extract reflectivity values of stratiform and convective for evaluation ? My code: import numpy as np import matplotlib.pyplot as plt import carto… --- ## [Can't plot reflectivity values \>=40dbz with appropriate ticks and cmaps](https://openradar.discourse.group/t/cant-plot-reflectivity-values-40dbz-with-appropriate-ticks-and-cmaps/421)
**Author:** [@ankithva](https://openradar.discourse.group/u/ankithva)\ **Replies:** 3\ **Last updated:** [March 16, 2024, 10:53am UTC](https://openradar.discourse.group/t/cant-plot-reflectivity-values-40dbz-with-appropriate-ticks-and-cmaps/421 "2024-03-16T10:53:58Z")
indeed to extract “REF” values \>=40dbz and need to plot it : import pyart import numpy as np import glob import matplotlib.pyplot as plt import cartopy.crs as ccrs import cartopy.feature as cfeature from cartopy.m… --- ## [Spherical to cartesian, interpolation and back to spherical. How?](https://openradar.discourse.group/t/spherical-to-cartesian-interpolation-and-back-to-spherical-how/416)
**Author:** [@psradar](https://openradar.discourse.group/u/psradar)\ **Replies:** 2\ **Last updated:** [March 8, 2024, 11:13am UTC](https://openradar.discourse.group/t/spherical-to-cartesian-interpolation-and-back-to-spherical-how/416 "2024-03-08T11:13:15Z")
I have a large dataset spanning 5 years having resolution of 5 mins. The idea is to interpolate them to cartesian grids (data is originally in azi, ran). At the moment the regridding is done for each time step using wrl… --- ## [\[SOLVED\] Module issue: module 'wradlib' has no attribute 'georef'](https://openradar.discourse.group/t/solved-module-issue-module-wradlib-has-no-attribute-georef/415)
**Author:** [@radadaneg](https://openradar.discourse.group/u/radadaneg)\ **Replies:** 0\ **Last updated:** [March 7, 2024, 9:40pm UTC](https://openradar.discourse.group/t/solved-module-issue-module-wradlib-has-no-attribute-georef/415 "2024-03-07T21:40:05Z")
Hi guys, I wanted to try out wradlib a bit but get an error when trying to use submodule georef from wradlib in my python programm, i.e. using function wrl.georef.epsg\_to\_osr(3857): “Module issue: module ‘wradlib’ has … --- ## [How to plot a marker on a PPI](https://openradar.discourse.group/t/how-to-plot-a-marker-on-a-ppi/408)
**Author:** [@d-siden](https://openradar.discourse.group/u/d-siden)\ **Replies:** 1\ **Last updated:** [February 23, 2024, 9:43pm UTC](https://openradar.discourse.group/t/how-to-plot-a-marker-on-a-ppi/408 "2024-02-23T21:43:55Z")
Hi, I’ve been struggling to plot a marker (a singe point) on a PPI plot, without success. The plot is georreferenced (WGS84) and already has shapefiles plotted using wradlib.vis.add\_lines() on it. The X,Y/lon,lat coor… --- ## [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.… --- ## [(\*\*check reply section )I want to derive the latitude and longitude from the given dimension which is time:3960 the concept of time is 360 azimuth and ele:11 the range is: 1600](https://openradar.discourse.group/t/check-reply-section-i-want-to-derive-the-latitude-and-longitude-from-the-given-dimension-which-is-time-3960-the-concept-of-time-is-360-azimuth-and-ele-11-the-range-is-1600/395)
**Author:** [@aswin](https://openradar.discourse.group/u/aswin)\ **Replies:** 10\ **Last updated:** [February 15, 2024, 6:25pm UTC](https://openradar.discourse.group/t/check-reply-section-i-want-to-derive-the-latitude-and-longitude-from-the-given-dimension-which-is-time-3960-the-concept-of-time-is-360-azimuth-and-ele-11-the-range-is-1600/395 "2024-02-15T18:25:10Z")
OrderedDict(\[(‘time\_coverage\_start’, OrderedDict(\[(‘data’, array(‘2023-12-3T0:14:49Z’, dtype=‘\ **Author:** [@mgrover1](https://openradar.discourse.group/u/mgrover1)\ **Replies:** 1\ **Last updated:** [February 15, 2024, 5:05pm UTC](https://openradar.discourse.group/t/erad-2022-open-radar-shortcourse/47 "2024-02-15T17:05:27Z") Open Radar Short Course at ERAD 2022 At 11th European Conference on Radar in Meteorology and Hydrology (ERAD) in Locarno, Switzerland, we presented a short course on the Open Radar Science stack! The course took place o… --- ## [From this how i can derive longitude and Latitude ponts of volume scan radar](https://openradar.discourse.group/t/from-this-how-i-can-derive-longitude-and-latitude-ponts-of-volume-scan-radar/399)
**Author:** [@aswin](https://openradar.discourse.group/u/aswin)\ **Replies:** 3\ **Last updated:** [February 14, 2024, 1:40pm UTC](https://openradar.discourse.group/t/from-this-how-i-can-derive-longitude-and-latitude-ponts-of-volume-scan-radar/399 "2024-02-14T13:40:47Z")
--- ## [Use wradlib functions with DWD BUFR data](https://openradar.discourse.group/t/use-wradlib-functions-with-dwd-bufr-data/386)
**Author:** [@atmoboran](https://openradar.discourse.group/u/atmoboran)\ **Replies:** 3\ **Last updated:** [January 29, 2024, 11:10am UTC](https://openradar.discourse.group/t/use-wradlib-functions-with-dwd-bufr-data/386 "2024-01-29T11:10:26Z")
Hello everyone, I’m sorry to say, but it’s about BUFR - the format we all admire so much. So I’m trying to handle a dataset from DWD (it’s a ras08 - precipitation scan - DWD BUFR ras08 - Google Drive ; here is an examp… --- ## [Unexpected output with wradlib.vis.plot\_scan\_strategy](https://openradar.discourse.group/t/unexpected-output-with-wradlib-vis-plot-scan-strategy/371)
**Author:** [@nitigsingh](https://openradar.discourse.group/u/nitigsingh)\ **Replies:** 2\ **Last updated:** [December 11, 2023, 1:32pm UTC](https://openradar.discourse.group/t/unexpected-output-with-wradlib-vis-plot-scan-strategy/371 "2023-12-11T13:32:33Z")
Hye Dear All, I am trying to use the plot scan strategy, below is my code. file = 'CFRADIAL/RSCHR\_01APR2022\_003424\_L2B\_STD.nc' vol = xradar.io.backends.cfradial1.open\_cfradial1\_datatree(file) nrays = 360 nbins = 1600 r… --- ## [Rainfall estimation using kdp and hydrometeor](https://openradar.discourse.group/t/rainfall-estimation-using-kdp-and-hydrometeor/370)
**Author:** [@Jagdish\_jena](https://openradar.discourse.group/u/Jagdish_jena)\ **Replies:** 0\ **Last updated:** [December 10, 2023, 11:15am UTC](https://openradar.discourse.group/t/rainfall-estimation-using-kdp-and-hydrometeor/370 "2023-12-10T11:15:24Z")
Hello all, I have been trying to use the code given in Filtering and retrievals on raw Swiss C-band data — Project Pythia Cookbook Template to calculate rainfall. Can anybody explain to me the detailed procedure of how… --- ## [Doubts regarding GR-SR validation](https://openradar.discourse.group/t/doubts-regarding-gr-sr-validation/364)
**Author:** [@Jagdish\_jena](https://openradar.discourse.group/u/Jagdish_jena)\ **Replies:** 5\ **Last updated:** [December 1, 2023, 11:41am UTC](https://openradar.discourse.group/t/doubts-regarding-gr-sr-validation/364 "2023-12-01T11:41:24Z")
i am working on this observation which is fulfilling all criteria for validation matching. this is the result when gr S band is converted to ku band . which is coming good. but when sr frequency converted to … [Next page](https://openradar.discourse.group/tag/wradlib/3.md?match_all_tags=true&page=1&tags%5B%5D=wradlib)