# MCIP **URL:** https://forum.cmascenter.org/c/mcip/6.md [Latest](https://forum.cmascenter.org/latest.md) · [Categories](https://forum.cmascenter.org/categories.md) · [Tags](https://forum.cmascenter.org/tags.md) --- ## [About the MCIP category](https://forum.cmascenter.org/t/about-the-mcip-category/18)
**Author:** [@lizadams](https://forum.cmascenter.org/u/lizadams)\ **Replies:** 0\ **Last updated:** [May 22, 2023, 4:00am UTC](https://forum.cmascenter.org/t/about-the-mcip-category/18 "2023-05-22T04:00:00Z")
Need help running MCIP? Please search this forum to see if your issue has already been solved, and if not, post a new issue and select the MCIP category. PLEASE READ before posting - #3 The latest release is available u… --- ## [How is MCIP handling projections for nested domains?](https://forum.cmascenter.org/t/how-is-mcip-handling-projections-for-nested-domains/6281)
**Author:** [@a\_fernandez](https://forum.cmascenter.org/u/a_fernandez)\ **Replies:** 6\ **Last updated:** [September 21, 2026, 7:14pm UTC](https://forum.cmascenter.org/t/how-is-mcip-handling-projections-for-nested-domains/6281 "2026-09-21T19:14:12Z")
Hello, A geographical file (and the WRF output) includes the following attributes: :DYN\_OPT = 2 ; :CEN\_LAT = 47.58337f ; :CEN\_LON = -122.3172f ; :TRUELAT1 = 40.f ; :TRUELAT2 = 50.f ; :MOAD\_CEN\_LAT = 45.25f ; :ST… --- ## [MCIP v5.3.1 segmentation fault with WRF 4.5 netCDF-4 files](https://forum.cmascenter.org/t/mcip-v5-3-1-segmentation-fault-with-wrf-4-5-netcdf-4-files/6099)
**Author:** [@mbolanjara](https://forum.cmascenter.org/u/mbolanjara)\ **Replies:** 4\ **Last updated:** [December 20, 2025, 6:10am UTC](https://forum.cmascenter.org/t/mcip-v5-3-1-segmentation-fault-with-wrf-4-5-netcdf-4-files/6099 "2025-12-20T06:10:40Z")
Hello everyone, I am a new CMAQ user and I am currently trying to run MCIP v5.3.1 with WRF4.5 output files. My system uses gcc. I compiled MCIP successfully, but when I run it, I always get a segmentation fault. Here … --- ## [Dear all, I’m having issues in running MCIP5.0. (with WRF4.1.2 inputs) Apparently, it starts running, but at some point I get an error.](https://forum.cmascenter.org/t/dear-all-i-m-having-issues-in-running-mcip5-0-with-wrf4-1-2-inputs-apparently-it-starts-running-but-at-some-point-i-get-an-error/6072)
**Author:** [@qxzl](https://forum.cmascenter.org/u/qxzl)\ **Replies:** 2\ **Last updated:** [November 22, 2025, 11:33am UTC](https://forum.cmascenter.org/t/dear-all-i-m-having-issues-in-running-mcip5-0-with-wrf4-1-2-inputs-apparently-it-starts-running-but-at-some-point-i-get-an-error/6072 "2025-11-22T11:33:56Z")
forrtl: severe (174): SIGSEGV, segmentation fault occurred Image PC Routine Line Source mcip.exe 0000000000572534 Unknown Unknown Unknown libpthr… --- ## [How is MCIP using X0, Y0, NCOL, NROW?](https://forum.cmascenter.org/t/how-is-mcip-using-x0-y0-ncol-nrow/6008)
**Author:** [@afernandez](https://forum.cmascenter.org/u/afernandez)\ **Replies:** 6\ **Last updated:** [September 18, 2025, 3:31pm UTC](https://forum.cmascenter.org/t/how-is-mcip-using-x0-y0-ncol-nrow/6008 "2025-09-18T15:31:23Z")
Hello, I’ve a domain centered at NYC with e\_sn=53 and e\_sn=43 with BTRIM=5, which results in NCOLS=40 and NROWS=30 with BTRIM=5 (this domain is obviously for testing not for production jobs). Running MCIP with X0 = 1… --- ## [MCIP shows illegal instruction error](https://forum.cmascenter.org/t/mcip-shows-illegal-instruction-error/5902)
**Author:** [@ganghan2000](https://forum.cmascenter.org/u/ganghan2000)\ **Replies:** 3\ **Last updated:** [July 9, 2025, 7:32pm UTC](https://forum.cmascenter.org/t/mcip-shows-illegal-instruction-error/5902 "2025-07-09T19:32:53Z")
Hello, I’m trying to run mcip via run\_mcip script, but it shows this error. This program uses the EPA-AREAL/MCNC-EnvPgms/BAMS Models-3 I/O Applications Programming Interface, \[I/O API\] which is built on … --- ## [Looking for geo\_em or FRC\_URB2D file for comparison](https://forum.cmascenter.org/t/looking-for-geo-em-or-frc-urb2d-file-for-comparison/5804)
**Author:** [@shayamila.gamage](https://forum.cmascenter.org/u/shayamila.gamage)\ **Replies:** 0\ **Last updated:** [May 14, 2025, 8:49pm UTC](https://forum.cmascenter.org/t/looking-for-geo-em-or-frc-urb2d-file-for-comparison/5804 "2025-05-14T20:49:27Z")
Hi, can someone kindly share with me one of your geo\_em files or FRC\_URB2D outputs to compare with mine? Our domain is mostly in Canada and we did some improvements to urban fractions. Just want to verify what we did is… --- ## [MCIP output domain smaller than WRF domain](https://forum.cmascenter.org/t/mcip-output-domain-smaller-than-wrf-domain/5718)
**Author:** [@Huazhen](https://forum.cmascenter.org/u/Huazhen)\ **Replies:** 1\ **Last updated:** [May 5, 2025, 8:43pm UTC](https://forum.cmascenter.org/t/mcip-output-domain-smaller-than-wrf-domain/5718 "2025-05-05T20:43:48Z")
Hi, I found that MCIP (v5.3.3) output domain (253280) is smaller than my WRF (v4.3.3) output domain (255282). I guess it is because that MCIP removed the outermost cols and rows of WRF output. I set BTRIM=0. Is there an… --- ## [How MCIP Identifies LAI or LAIv](https://forum.cmascenter.org/t/how-mcip-identifies-lai-or-laiv/5666)
**Author:** [@wxy](https://forum.cmascenter.org/u/wxy)\ **Replies:** 2\ **Last updated:** [March 22, 2025, 5:15am UTC](https://forum.cmascenter.org/t/how-mcip-identifies-lai-or-laiv/5666 "2025-03-22T05:15:07Z")
Hello everyone, I’m a new user of CMAQ and MEGAN. I really need some help. I want to use MEGAN3.2 in CMAQv5.4. Megan3.2 needs LAIv as one of the inputs. I used NOAH LSM in WRF, so the wrfout file has only LAI but not LA… --- ## [A problem with making MCIP](https://forum.cmascenter.org/t/a-problem-with-making-mcip/5620)
**Author:** [@liuchang](https://forum.cmascenter.org/u/liuchang)\ **Replies:** 6\ **Last updated:** [March 7, 2025, 7:25am UTC](https://forum.cmascenter.org/t/a-problem-with-making-mcip/5620 "2025-03-07T07:25:19Z")
When I use intel compiler to compile MCIP, I get the following error, I have looked up a lot of information and I can’t determine whether it is a problem with my netcdf or ioapi, please help me, how can I solve it. Here … --- ## ["NetCDF: Malformed URL" issue encountered during the MCIP process](https://forum.cmascenter.org/t/netcdf-malformed-url-issue-encountered-during-the-mcip-process/5565)
**Author:** [@wenxing](https://forum.cmascenter.org/u/wenxing)\ **Replies:** 7\ **Last updated:** [February 27, 2025, 9:26pm UTC](https://forum.cmascenter.org/t/netcdf-malformed-url-issue-encountered-during-the-mcip-process/5565 "2025-02-27T21:26:13Z")
Hello everone. I am a student studying MCIP and am currently encountering some issues while running it. Could you please provide some guidance? The problem is shown in the screenshot below: I have tried various com… --- ## [Discrepancy between MCIPv5.4 and MCIPv5.5](https://forum.cmascenter.org/t/discrepancy-between-mcipv5-4-and-mcipv5-5/5618)
**Author:** [@FengLiu](https://forum.cmascenter.org/u/FengLiu)\ **Replies:** 2\ **Last updated:** [February 25, 2025, 8:59pm UTC](https://forum.cmascenter.org/t/discrepancy-between-mcipv5-4-and-mcipv5-5/5618 "2025-02-25T20:59:53Z")
Hi, I noticed a 200-meter difference in YORIG values in GRIDDESC files between MCIPv5.4 and MCIPv5.5, despite using the exact same inputs. Below are the results for your review. I would appreciate any help in identifyin… --- ## [Error opening wrf netcdf file](https://forum.cmascenter.org/t/error-opening-wrf-netcdf-file/4991)
**Author:** [@KSSM](https://forum.cmascenter.org/u/KSSM)\ **Replies:** 25\ **Last updated:** [February 3, 2025, 12:58pm UTC](https://forum.cmascenter.org/t/error-opening-wrf-netcdf-file/4991 "2025-02-03T12:58:11Z")
Prezados, boa tarde. Estou enfrentando um problema ao tentar executar o MCIP. O erro ocorre durante a sub-rotina SETUP e indica um problema ao abrir o arquivo NetCDF do WRF. O arquivo de log de erro retorna vazio. E a m… --- ## [MISSING NAMELIST.MCIP file](https://forum.cmascenter.org/t/missing-namelist-mcip-file/5529)
**Author:** [@Akinwunmi](https://forum.cmascenter.org/u/Akinwunmi)\ **Replies:** 10\ **Last updated:** [January 22, 2025, 3:50pm UTC](https://forum.cmascenter.org/t/missing-namelist-mcip-file/5529 "2025-01-22T15:50:48Z")
I started compiling MCIP and i was able to run the Makefile to get the executables. However, I was unable to find the Namelist.mcip file (that takes in config parameters to run MCIP). Hence, I have not been able to run M… --- ## [Error in CCTM in CMAQ5.4](https://forum.cmascenter.org/t/error-in-cctm-in-cmaq5-4/5441)
**Author:** [@Sunchanglei](https://forum.cmascenter.org/u/Sunchanglei)\ **Replies:** 7\ **Last updated:** [December 17, 2024, 2:21pm UTC](https://forum.cmascenter.org/t/error-in-cctm-in-cmaq5-4/5441 "2024-12-17T14:21:12Z")
Hello everyone, I would like to ask you a question. I encountered an error while running CCTM and hope to get your help Some errors are as follows: \*\*\* ERROR ABORT in subroutine retrieve\_grid\_cr on PE 003 Error interp… --- ## [ERROR ABORT in subroutine SETGRIDDEFS](https://forum.cmascenter.org/t/error-abort-in-subroutine-setgriddefs/5432)
**Author:** [@nenghan](https://forum.cmascenter.org/u/nenghan)\ **Replies:** 1\ **Last updated:** [December 16, 2024, 8:55pm UTC](https://forum.cmascenter.org/t/error-abort-in-subroutine-setgriddefs/5432 "2024-12-16T20:55:11Z")
Hi, I’m running MCIP v5.4 using WRF data with lat-lon projection, and get the error with ‘INVALID INPUT METEOROLOGY MAP PROJECTION’, ‘ERROR ABORT in subroutine SETGRIDDEFS’, here is my run\_mcip.csh file. Any suggestion f… --- ## [LL2XY\_LAM error because truelat1 and truelat2 are the same](https://forum.cmascenter.org/t/ll2xy-lam-error-because-truelat1-and-truelat2-are-the-same/5402)
**Author:** [@TJDOFLEARN](https://forum.cmascenter.org/u/TJDOFLEARN)\ **Replies:** 2\ **Last updated:** [December 5, 2024, 7:29pm UTC](https://forum.cmascenter.org/t/ll2xy-lam-error-because-truelat1-and-truelat2-are-the-same/5402 "2024-12-05T19:29:53Z")
my wrfout-put data time during a month.Whther have methods to solve the issue --- ## [METBDY3D file related issues](https://forum.cmascenter.org/t/metbdy3d-file-related-issues/5327)
**Author:** [@LMZ](https://forum.cmascenter.org/u/LMZ)\ **Replies:** 5\ **Last updated:** [November 7, 2024, 12:55pm UTC](https://forum.cmascenter.org/t/metbdy3d-file-related-issues/5327 "2024-11-07T12:55:10Z")
Hello professors, I would like to ask you a question. I want to convert the CMAQ simulation data into the data corresponding to the satellite data unit, and the METBDY3D.nc file is needed. I would like to ask what is the… --- ## [USGS landuse not supported?](https://forum.cmascenter.org/t/usgs-landuse-not-supported/1711)
**Author:** [@CMAQ\_user](https://forum.cmascenter.org/u/CMAQ_user)\ **Replies:** 24\ **Last updated:** [October 31, 2024, 11:54am UTC](https://forum.cmascenter.org/t/usgs-landuse-not-supported/1711 "2024-10-31T11:54:49Z")
Hi I was trying using USGS landuse (has 28 categories, as obtained from WRF) with CMAQ5.3.1 but the model is not running perhaps it does not take USGS land use? Here is the error: \*\*\* ERROR ABORT in subroutine Init\_LS… --- ## [Can MCIP pre process MPAS output file to SMOKE and CMAQ](https://forum.cmascenter.org/t/can-mcip-pre-process-mpas-output-file-to-smoke-and-cmaq/5313)
**Author:** [@Nguyentuong17](https://forum.cmascenter.org/u/Nguyentuong17)\ **Replies:** 4\ **Last updated:** [October 31, 2024, 1:54am UTC](https://forum.cmascenter.org/t/can-mcip-pre-process-mpas-output-file-to-smoke-and-cmaq/5313 "2024-10-31T01:54:10Z")
Dear CMASCENTER FORUM, As on the survey of 2024, it’s consideration that MPAS is the next advancement of WRF, but i am wondering, how MCIP will handle the output of MPAS for CMAQ? therefore a clear view is necessary b… --- ## [MCIP run error when processing the 4th days](https://forum.cmascenter.org/t/mcip-run-error-when-processing-the-4th-days/5261)
**Author:** [@azurebullet](https://forum.cmascenter.org/u/azurebullet)\ **Replies:** 5\ **Last updated:** [October 1, 2024, 5:44pm UTC](https://forum.cmascenter.org/t/mcip-run-error-when-processing-the-4th-days/5261 "2024-10-01T17:44:33Z")
\*\*\* SUBROUTINE: RDWRFEM \*\*\* LOOKING FOR INPUT MET AT TIME 2012-04-04-00:00:00.0000 \*\*\* INPUT FILE NUMBER 214 IS BLANK \*\*\* ERROR ABORT in subroutine RDWRFEM ABNORMAL TERMINATION IN RDWRFEM Date and time 0:00:… --- ## [Missing wrfout time steps for running MCIP](https://forum.cmascenter.org/t/missing-wrfout-time-steps-for-running-mcip/5095)
**Author:** [@hhallaji](https://forum.cmascenter.org/u/hhallaji)\ **Replies:** 18\ **Last updated:** [August 6, 2024, 9:06pm UTC](https://forum.cmascenter.org/t/missing-wrfout-time-steps-for-running-mcip/5095 "2024-08-06T21:06:13Z")
Hi everyone, I am attempting to run MCIP5.4 for my 3 nested domains wrfout files (WRF4-2-1) from 2017-07-01 to 2017-07-15, after running MCIP for the first domain faced an error that there are not data for 2017-07-4\_15:… --- ## [Running MCIP5.4](https://forum.cmascenter.org/t/running-mcip5-4/5106)
**Author:** [@gcr](https://forum.cmascenter.org/u/gcr)\ **Replies:** 2\ **Last updated:** [July 29, 2024, 12:38pm UTC](https://forum.cmascenter.org/t/running-mcip5-4/5106 "2024-07-29T12:38:31Z")
@wong.david-c @cjcoats @cgnolte @lizadams @tlspero @bbaek @Akhila @hogrefe.christian Hello! I’m trying to run Megan 2.1 using the user guide. I have installed ioapi, netcdf libraries and built the Megan code. The secti… --- ## [MCIP - libnetcdf.so.18 & compiler errors](https://forum.cmascenter.org/t/mcip-libnetcdf-so-18-compiler-errors/5072)
**Author:** [@DS1](https://forum.cmascenter.org/u/DS1)\ **Replies:** 3\ **Last updated:** [July 15, 2024, 4:58pm UTC](https://forum.cmascenter.org/t/mcip-libnetcdf-so-18-compiler-errors/5072 "2024-07-15T16:58:25Z")
Hello, I am using WPS\_4.1, WRF\_4.1.3, CMAQ/MCIP\_5.4, netCDF\_4.7.4 & ioapi\_3.2. When I attempt to run MCIP’s run\_mcip.csh I encounter the following errors: Error: ‘compiler’ should be set either in the \*\* envi… --- ## [Error running MCIP V5.4](https://forum.cmascenter.org/t/error-running-mcip-v5-4/5060)
**Author:** [@lucysun](https://forum.cmascenter.org/u/lucysun)\ **Replies:** 4\ **Last updated:** [July 15, 2024, 1:24am UTC](https://forum.cmascenter.org/t/error-running-mcip-v5-4/5060 "2024-07-15T01:24:51Z")
Hello, everyone. I am running the MCIP program in CMAQ 5.4 and I am getting the following error when I run the run\_mcip.csh file: I use –disable-netcdf-4 --enable-largefile --disable-dap to compile netcdf-c-4.7.4 and n… --- ## [MCIP Error encontered](https://forum.cmascenter.org/t/mcip-error-encontered/5038)
**Author:** [@Catalyst2682](https://forum.cmascenter.org/u/Catalyst2682)\ **Replies:** 10\ **Last updated:** [July 1, 2024, 12:56pm UTC](https://forum.cmascenter.org/t/mcip-error-encontered/5038 "2024-07-01T12:56:22Z")
Dear @tlspero @cgnolte @lizadams @peng I got the error below while running MCIPv4.4 with output from WRFv4.2: 2022-04-28 2022-04-29 1 35 28 1 \*\*\*\*\* SUBROUTINE: GETVERSION\*\* \*\*\*\*\* MM5v2-FORMATTED DATA ARE NO LONGER S… --- ## [Error in running MCIP4.2 using WRFV3.8 outputs](https://forum.cmascenter.org/t/error-in-running-mcip4-2-using-wrfv3-8-outputs/1097)
**Author:** [@Catalyst2682](https://forum.cmascenter.org/u/Catalyst2682)\ **Replies:** 21\ **Last updated:** [June 26, 2024, 3:17pm UTC](https://forum.cmascenter.org/t/error-in-running-mcip4-2-using-wrfv3-8-outputs/1097 "2024-06-26T15:17:12Z")
Dear @wong.david-c, @tlspero, @lizadams, @bbaek, @Akhila, @hogrefe.christian, @cgnolte, @cjcoats I am having problems with MCIP. I used MCIP4.2 (the one that accompanied CMAQ5.0.2) to process WRF3.8 wrf files but got th… --- ## [ERROR in running mcip](https://forum.cmascenter.org/t/error-in-running-mcip/5021)
**Author:** [@Sunchanglei](https://forum.cmascenter.org/u/Sunchanglei)\ **Replies:** 3\ **Last updated:** [June 22, 2024, 7:52pm UTC](https://forum.cmascenter.org/t/error-in-running-mcip/5021 "2024-06-22T19:52:17Z")
Hi All I encountered two errors while running the CMAQ/mcip section, as follows: Plese hellp me Thanks! run\_mcip.csh (15.3 KB) --- ## [Links to the MCIP4.5 or MCIP5.0?](https://forum.cmascenter.org/t/links-to-the-mcip4-5-or-mcip5-0/4943)
**Author:** [@TsengelNergui](https://forum.cmascenter.org/u/TsengelNergui)\ **Replies:** 5\ **Last updated:** [May 17, 2024, 8:13pm UTC](https://forum.cmascenter.org/t/links-to-the-mcip4-5-or-mcip5-0/4943 "2024-05-17T20:13:12Z")
Where can I find the latest MCIP version that can process the WRFv4.5 outputs? I plan to compile the MCIP from the CMAQv5.4 model download, but, the CMAQ\_REPO doesn’t have the bld\_mcip.csh in the following directory. I… --- ## [Missing varaible SLTYP from MET\_CRO\_2D](https://forum.cmascenter.org/t/missing-varaible-sltyp-from-met-cro-2d/4927)
**Author:** [@LeonCarto](https://forum.cmascenter.org/u/LeonCarto)\ **Replies:** 2\ **Last updated:** [May 13, 2024, 3:07am UTC](https://forum.cmascenter.org/t/missing-varaible-sltyp-from-met-cro-2d/4927 "2024-05-13T03:07:05Z")
I am using the MCIP v5.4 to generate data for CCTM but it raises an error Error interpolating variable SLTYP from MET\_CRO\_2D when I run with CCTM I have checked the configuration/documentation and there is no informa… [Next page](https://forum.cmascenter.org/c/mcip/6.md?page=1)