wrf output

Hi everyone, I'm currently working with WRF and have successfully run some simulations. However, the model tends to overestimate higher wind speeds while underestimating calm or lower wind conditions. I'm interested in nudging observed wind data into the WRF to improve its performance...

Hi all, I'm encountering an issue when running WRF from version 4.0 onwards: my TKE output field is all zeros, although the TKE_PBL variable seems to be outputting normal values. I’ve checked the following: The model was compiled correctly and runs without errors. Other turbulence-related...

Hi, I am running the model and got the following error. I have also attached the rsl error file. = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES = EXIT CODE: 1 = CLEANING UP REMAINING PROCESSES = YOU CAN IGNORE THE BELOW CLEANUP MESSAGES

Hi everyone. I am currently simulating several cold spell events in eastern China using WRF-SLUCM. However, in some cases, we found that the model results poorly captured the temperature variations when compared to meteorological station observations. As shown in the figure , the cold spell...

I am a student new to WRF. I want to perform simulations that consider irrigation conditions. I have added the IRRIGATION content in the GEOGRID and downloaded the IRRIGATION data in the static geographical data. Verification shows that the IRRIGATION field has been successfully integrated into...

I am using the Morrison double-moment aero microphysics scheme (mp=40). This scheme allows for initial droplet prediction through a variable INUM (line 354). By default, INUM=1.There is also a variable QDCNST=250, which is the initial constant cloud droplet concentration at Line 359. Since I am...

Dear WRF Community, I’m currently troubleshooting a persistent crash in WRF v4.5 that consistently occurs after the third model day, with the following error: I'm running at 15 km resolution, using Noah-MP (sf_surface_physics=4) and the following physics setup: What I’ve Tried and Observed...

I'm running 1km simulations (soon to move down to 250m) and I'm having memory issues using 'getvar' to extract the variables. I can get T2, rh2, td2, uvmet10, uvmet10_wspd_wdir and slp for all times but the remaining variables (excluding lat/lon/ter), require a single time index. I've attempted...

Hi, Using the same namelists, in 1km grid-spacing, for WRFv3.8.1, DLP3 lightning scheme is underestimating lightning count whereas for WRFv4.5, DLP3 is overestimating. Can anyone please explain the reason to me? Thanks.

Whenever I finish running the model as 'mpirun -np 14 ./wrf.exe' I get a file that does not have '.nc' extension at the end of it, for example: 'wrfout_d01_2025-04-22_06:00:00' (it doesnt have .nc at the end), and when trying to open it in python (with xarray and netcdf) or in another program...

integer,intent(in) :: nz !Maximum number of vertical levels in the urban grid real,intent(in) :: bl !Building length [m] real,intent(in) :: bw !Building width [m] real,intent(in) :: albr !albedo of the roof (ext.) real,intent(in) :: emr...

Hello, I'm newbie to WRF and WRF solar. I'm asking you to help me clarify some concerns. Here are my questions : 1 - Is WRF solar V1 included in WRF 4.2.1 as stated in: "The WRF version 4.2 includes the enhancements of WRF-Solar Version 1 with upgrades in the physical parameterizations as well...

Hi everyone, I'm currently using WRF version 3.9.1.1, and I would like to output the total tendency of potential temperature at a given time. I found the following line in Registry.EM_COMMON: i1 real t_tend ikj dyn_em 1 - It seems that t_tend is exactly the...

Hello, I'm using WRF version 4.2.2, configured for automatic vortex following nests. I’m running an idealized tropical cyclone simulation and using prec_acc_dt = 1 to output 1-minute accumulated precipitation (PREC_ACC_NC) at each history output time. I then multiply this value by 60 to...

I hope to use the wrf-chem4.4 model to simulate the distribution of co2 and input anthropogenic emissions, but the distribution of co2 is not found in the results. Please help me.The relevant files are in the files archive. the error part is follow Timing for Writing...

Hello everyone, I encountered some issues after adding SST data into my WRF simulation. The SST data I used is from the ERA5 reanalysis dataset with a resolution of 27 km. I am using WRF version 4.3.2. The two images below show the visualization of SST and LANDMASK from the wrfout file. As you...

I have successfully simulated meteorological results over a period of time and obtained the wrfout files. Now, I need meteorological data at a finer spatial and temporal scale. Can I use the existing wrfout as input to run WRF again to achieve this goal? Thank you in advance for your help!

Problem: I ran my WRF simulation with sf_urban_physics =1 and sf_urban_physics =0 and seems to show no difference in T2. I also got no errors,warning, or faults in my rsl file. I am using WRF v4.6.0. I think the urban canopy model (UCM) is not activating because it does not finds valid urban...

So I am trying to run a real case in WRF. The ungrib manages to read all files properly, with every field accounted for, including 10m wind speeds. Metgrid also succesfully computes surface level, apparently. But the thing is, in some land points, WRF is not generating wind speed at 100m high...

Hi everyone I am working with co2 green house gases. I successfully ran mozbc tool for creating wrfinput_d01 and wrfbdy_d01 and also added anthropogenic activities by creating wrfchemi_d01 file now issue is that i did not find CO2_BCK parameter in my processed file. i set up the chem_opt = 301...