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wrf physics

  1. R


    Hi everyone, This error is similar to those reported in several other cases over the past year ('WARNING, THE URBAN FRACTION WILL BE READ FROM URBPARM.TBL' occurred., Problems running Urban UCM and WUDAPT LCZ, cglc-modis-lcz_100m dataset " WARNING, THE URBAN FRACTION WILL BE READ FROM...
  2. W

    Example namelist?

    Good afternoon, I am looking for an example namelist to run the wrf over the united states. I know there is a namelist with several configuration options listed in the wrf folder but it has EVERY option available. I only need one for basic set up. Is there a namelist that is good for...
  3. K

    Noise in the WFP parameterization,result

    Hello, I am having a noise istarting from the beginning of the simulation while using WFP , i have no idea how to resolve it, i tried all the physics i have ! Can any one please help me how to get rid of it, it is creating this disruptancy in my child domain. the plot shown below is a...
  4. H

    mpirun noticed that process rank 3 with PID 0 on node exited on signal 6 (Aborted).

    Hi, I am using WRF4.3.3 along with WUDAPAT LCZ. When i use sf_surface_physics= 0 the model runs smoothly. But when I use sf_surface_physics= 3 to activate BEM/BEP the model gives me this error: mpirun noticed that process rank 3 with PID 0 on node exited on signal 6 (Aborted).
  5. P

    Interaction of mix_isotropic with gray-zone schemes (Shin-Hong and 3D-TKE)?

    So, in order to run hectometer scale simulations, I used a range of options (km_opt=2, 4, 5 or the Shin-Hong scheme). I use a 9-3-1-0.2 km nested domains and this is what I used thus far: km_opt=2 or 4 with YSU scheme on the D01-03 km_opt=5 on all domains (3D-TKE scheme) Shin-Hong scheme on all...
  6. T

    A question about the relationship between radiation scheme and PBLH

    Dear all, I ran two simulations with different radiation scheme, when ra_sw_physics=4 and ra_lw_physics = 4 ,the PBLH are normal, but when the ra_sw_physics= 0 and ra_lw_physics = 0,I can't found PBLH by ncview.I can't resolve it and here's my namelist_input. Yours, TARO
  7. J

    How to simulate Typhoon?

    Dear seniors, I am a beginner, I want to know if I want to imitate the performance of typhoons (or tropical whirlwinds). How should I act? In fact, I have developed a tropical whirlwind simulation in the ideal mode. But because I don't know how to set the position of a whirlwind, I haven't...
  8. N

    TR_URB in WRF version 4.5.2 is strange

    We use WRF version 4.5.2 for urban climate studies. Registory.EM_COMMON has been modified to output variables related to urban areas. Some skin temperature results, such as TR_URB2D (urban roof skin temperature), TB_URB2D (urban wall skin temperature), and TG_URB2D (urban road skin...
  9. T

    Program received signal SIGSEGV: Segmentation fault - invalid memory reference.

    Dear all,I was trying to run a simulation. I am getting error: Program received signal SIGSEGV: Segmentation fault - invalid memory reference. Backtrace for this error: #0 0x7FE34E0F76D7 #1 0x7FE34E0F7D1E #2 0x7FE34D5F327F #3 0x1E63E37 in taugb3.6165 at module_ra_rrtmg_lw.f90:? #4...
  10. B

    forrtl: error (78): process killed (SIGTERM)

    Hello, When I run WRF, I get 24 hours of output for my 3 day simulation before getting errors. I imagine this is due to a problem with the physics or dynamics parameters I have set in the namelist, but am not spotting the issue. Namelist and rsl* are included below. Thanks!
  11. S

    WRF Ensemble technique

    I'm looking for an ensemble technique, and I remember using it in other numerical models and I think it was also used in WRF, but I'd like to know the specific method. This is a method of using the effects of multiple physics processes in one experiment. Once dynamics is performed, it then...
  12. E

    WARNING: Goddard radiation and Goddard 4ice microphysics are not used together

    I attempted to run WRFV4.5.1 using the attached namelist.wps and namelist.input. It appears that the model ran successfully; however, there are some lines in rsl.out.000* that I'm unsure about. I would be grateful if someone could help me understand these lines. Are they important? Should I...
  13. T

    How does the WRF BEP/BEM considers urban Anthropogenic heat?

    Dear community, To the best of my knowledge, I think the SLUCM considers anthropogenic heat by giving a heat source term to each urban category(e.g., 20W/m2 for subruban category). and the BEP/BEM calculate the heat emission from air conditioner (AC). My questions are: 1. Does BEP/BEM...
  14. T

    FATAL: Energy budget problem in NOAHMP LSM

    Dear Community, I have ran a same simulation successfully. When I modified the land cover data slightly (mainly Urban parameters for urban canopy model) and rerun the same simulation, it crashed after almost one month of simulation and shows as follows: ERRENG = 1.368042 at i,j...
  15. H

    Can someone run WRF with the Thompson scheme (mp_physics=38)?

    Can someone run WRF-V4.5 with the Thompson scheme (mp_physics=38)? It will crash when i setup mp_physics=38.
  16. J

    Reason for changing NLCD LULC index 23 and 25 to 24 using NOAH LSM?

    Hello, I am working with the WRF version 4.4.2 and noticed something odd in the file module_physics_init.F under the phys directory. -------------------------------------- CASE (LSMSCHEME) IF(TRIM(mminlu) .EQ. 'NLCD40')THEN CALL wrf_message('Using NLCD40 for Noah, redefine urban categories ')...
  17. A

    WRF Restart Run Is Getting Stuck and Not Proceeding for Irrigation Options

    Hi WRF community, I have a simulation that I have always been able to do restart runs for, it consisted of 2 scenarios: Control and Irrigation. The irrigation run only utilizes existing irrigation options in the WRF namelist. I have managed to do restart runs for both scenarios before using...
  18. W

    Is RADT supposed to be the same for all domains?

    The variable radt is a little confusing in the namelist description above. So If I have a domain that is 9-3-1km should radt be set for 9 across all domains or 9-3-1 for each of it's domains?
  19. S

    How do I understand Registry files?

    Hello, I am running WRFv4.4.2 and studying the registry to create only the variables I need in the output. There are numerous files in the ~/WRF/Registry directory, and from what I understand, the files used are different depending on the compilation options (em_real, or ideal, etc.), and there...
  20. I

    WRF-4.4.2 crashes after enabling sf_urban_physics

    Dear community. I trying to run a WRF simulation with sf_urban_physics enabled. However the model crashes around end of June for two different years (2021 and 2022): forrtl: severe (408): fort: (3): Subscript #1 of the array KA_MN2O has value -2147483647 which is less than the lower bound of 1...