Simulate run time instability

General scientific issues regarding ROMS

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jc_Sun
Posts: 28
Joined: Fri Aug 19, 2022 12:24 pm
Location: Institute of Oceanology of the Chinese Academy

Simulate run time instability

#1 Unread post by jc_Sun »

Hello, everyone

I encountered the following error when using ROMS to perform a 3-month simulation, specifically at the beginning of the 3rd month. However, when I simulated only the last two months (i.e., August and September) separately, no such error occurred. Could this issue be related to the precision of the model's timing? The forcing files I am using are generated from ERA5 data, and each monthly file contains not only the data for that month but also the last day of the previous month and the first day of the next month.
GET_CYCLE_NF90 - Upper snapshot time for multi-file variable: wind_time (Uwind)
is less than current model time.
Tmin = 18505.0000 TDAYS = 18506.0007
Found Error: 02 Line: 346 Source: ROMS/Utility/inquiry.F, inquiry_nf90
Found Error: 02 Line: 220 Source: ROMS/Utility/get_2dfld.F, get_2dfld_nf90
Found Error: 02 Line: 112 Source: ROMS/Utility/get_2dfld.F
Found Error: 02 Line: 169 Source: ROMS/Nonlinear/get_data.F
Found Error: 02 Line: 211 Source: ROMS/Nonlinear/main3d.F
Found Error: 02 Line: 298 Source: ROMS/Drivers/nl_roms.h, ROMS_run
NFFILES == 8 ! number of unique forcing files

FRCNAME == ./forcing/ecs_lwrad_era5_202007.nc |
./forcing/ecs_lwrad_era5_202008.nc |
./forcing/ecs_lwrad_era5_202009.nc \
./forcing/ecs_lwrad_down_era5_202007.nc |
./forcing/ecs_lwrad_down_era5_202008.nc |
./forcing/ecs_lwrad_down_era5_202009.nc \
./forcing/ecs_swrad_era5_202007.nc |
./forcing/ecs_swrad_era5_202008.nc |
./forcing/ecs_swrad_era5_202009.nc \
./forcing/ecs_wind_era5_202007.nc |
./forcing/ecs_wind_era5_202008.nc |
./forcing/ecs_wind_era5_202009.nc \
./forcing/ecs_rain_era5_202007.nc |
./forcing/ecs_rain_era5_202008.nc |
./forcing/ecs_rain_era5_202009.nc \
./forcing/ecs_Tair_era5_202007.nc |
./forcing/ecs_Tair_era5_202008.nc |
./forcing/ecs_Tair_era5_202009.nc \
./forcing/ecs_Qair_era5_202007.nc |
./forcing/ecs_Qair_era5_202008.nc |
./forcing/ecs_Qair_era5_202009.nc \
./forcing/ecs_Pair_era5_202007.nc |
./forcing/ecs_Pair_era5_202008.nc |
./forcing/ecs_Pair_era5_202009.nc
wind_time.png
wind_time.png (1.99 KiB) Viewed 457 times
Here are the settings from my .in file and the range of wind_time.

Looking forward to your reply.

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