# gdal_process_atmos_data_commands

**Repository Path**: wangfengdev/gdal_process_atmos_data_commands

## Basic Information

- **Project Name**: gdal_process_atmos_data_commands
- **Description**: GDAL处理气象数据命令样例，采用GDAL3.8及以上版本。
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2025-07-07
- **Last Updated**: 2025-07-07

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README



## GFS
### 两米气温
gdal_translate -ot Float32 -a_srs WGS84 -b 581 -of COG gfs.t00z.pgrb2.0p25.f384 ./20250601000000/gfs.t00z.pgrb2.0p25.20250616000000.t2m.tif

> 20250601000000 表示起报时间

> f384 表示距离起报时间之后384小时，16天

> 20250616000000 表示预报时间


### 露点温度

GRIB_COMMENT=Dew point temperature [C]

gdal_translate -ot Float32 -a_srs WGS84 -b 583 -of COG gfs.t00z.pgrb2.0p25.f384 gfs.t00z.pgrb2.0p25.f384.dpt.tif

### UV风
地面10m风


Band 588 Block=1440x1 Type=Float64, ColorInterp=Undefined
  Description = 10[-] RESERVED="Reserved"
  Min=-19.483 Max=21.397 
  Metadata:
    GRIB_UNIT=[m/s]
    GRIB_COMMENT=u-component of wind [m/s]
    GRIB_ELEMENT=UGRD
    GRIB_SHORT_NAME=10-HTGL

Band 589 Block=1440x1 Type=Float64, ColorInterp=Undefined
  Description = 10[-] RESERVED="Reserved"
  Min=-20.902 Max=19.218 
  Metadata:
    GRIB_UNIT=[m/s]
    GRIB_COMMENT=v-component of wind [m/s]
    GRIB_ELEMENT=VGRD
    GRIB_SHORT_NAME=10-HTGL

gdal_translate -ot Float32 -a_srs WGS84 -b 588 -of COG gfs.t00z.pgrb2.0p25.f384 gfs.t00z.pgrb2.0p25.f384.uwnd.tif

gdal_translate -ot Float32 -a_srs WGS84 -b 589 -of COG gfs.t00z.pgrb2.0p25.f384 gfs.t00z.pgrb2.0p25.f384.vwnd.tif

### prate
降水率
Band 593 Block=1440x1 Type=Float64, ColorInterp=Undefined
  Description = 0[-] RESERVED="Reserved"
  Min=0.000 Max=0.008 
  Metadata:
    GRIB_UNIT=[kg/(m^2 s)]
    GRIB_COMMENT=Precipitation rate [kg/(m^2 s)]
    GRIB_ELEMENT=PRATE
    GRIB_SHORT_NAME=0-SFC
    GRIB_REF_TIME=1751328000
    GRIB_VALID_TIME=1752710400
    GRIB_FORECAST_SECONDS=1382400

gdal_translate -ot Float32 -a_srs WGS84 -b 593 -of COG gfs.t00z.pgrb2.0p25.f384 gfs.t00z.pgrb2.0p25.f384.prate.tif


### rh
地面2m相对湿度
Band 584 Block=1440x1 Type=Float64, ColorInterp=Undefined
  Description = 2[-] RESERVED="Reserved"
  Min=5.100 Max=100.000 
  Metadata:
    GRIB_UNIT=[%]
    GRIB_COMMENT=Relative humidity [%]
    GRIB_ELEMENT=RH
    GRIB_SHORT_NAME=2-HTGLBand 584 Block=1440x1 Type=Float64, ColorInterp=Undefined
  Description = 2[-] RESERVED="Reserved"
  Min=5.100 Max=100.000 
  Metadata:
    GRIB_UNIT=[%]
    GRIB_COMMENT=Relative humidity [%]
    GRIB_ELEMENT=RH
    GRIB_SHORT_NAME=2-HTGL

gdal_translate -ot Float32 -a_srs WGS84 -b 584 -of COG gfs.t00z.pgrb2.0p25.f384 gfs.t00z.pgrb2.0p25.f384.rh.tif


### vis
能见度
Band 10 Block=1440x1 Type=Float64, ColorInterp=Undefined
  Description = 0[-] RESERVED="Reserved"
  Min=25.675 Max=24135.676 
  Metadata:
    GRIB_UNIT=[m]
    GRIB_COMMENT=Visibility [m]
    GRIB_ELEMENT=VIS
    GRIB_SHORT_NAME=0-SFC

gdal_translate -ot Float32 -a_srs WGS84 -b 10 -of COG gfs.t00z.pgrb2.0p25.f384 gfs.t00z.pgrb2.0p25.f384.vis.tif


### tcc

云百分比

Band 636 Block=1440x1 Type=Float64, ColorInterp=Undefined
  Description = 0[-] RESERVED="Reserved"
  Min=0.000 Max=100.000 
  Metadata:
    GRIB_UNIT=[%]
    GRIB_COMMENT=Total cloud cover [%]
    GRIB_ELEMENT=TCDC
    GRIB_SHORT_NAME=0-EATM
    GRIB_REF_TIME=1751328000
    GRIB_VALID_TIME=1752710400
    GRIB_FORECAST_SECONDS=1382400

gdal_translate -ot Float32 -a_srs WGS84 -b 636 -of COG gfs.t00z.pgrb2.0p25.f384 gfs.t00z.pgrb2.0p25.f384.tcc.tif


### gust
风速
Band 14 Block=1440x1 Type=Float64, ColorInterp=Undefined
  Description = 0[-] RESERVED="Reserved"
  Min=0.000 Max=31.300 
  Metadata:
    GRIB_UNIT=[m/s]
    GRIB_COMMENT=Wind speed (gust) [m/s]
    GRIB_ELEMENT=GUST

gdal_translate -ot Float32 -a_srs WGS84 -b 14 -of COG gfs.t00z.pgrb2.0p25.f384 gfs.t00z.pgrb2.0p25.f384.gust.tif