python 读fnl数据

2019/03/27 09:55
阅读数 280

(1) FNL 数据介绍

FNL((Final Operational Global Analysis)数据是美国国家环境预报中心(NECP)/美国国家大气研究中心(NCAR)提供的全球再分析资料,空间精度为1°×1°,通过FNL数据可以了解真实的全球区域气象状况。(详见https://rda.ucar.edu/datasets/ds083.2/)。

fnl数据变量表:

Discipline Category Code Short Name Description Units
0 0 0 TMP Temperature K
0 0 2 POT Potential temperature K
0 0 4 T MAX Maximum temperature K
0 0 5 T MIN Minimum temperature K
0 0 10 LHTFL Latent heat flux W m-2
0 0 11 SHTFL Sensible heat flux W m-2
0 1 0 SPF H Specific humidity kg kg-1
0 1 1 R H Relative humidity %
0 1 3 P WAT Precipitable water kg m-2
0 1 7 PRATE Precipitation rate kg m-2 s-1
0 1 8 A PCP Total precipitation kg m-2
0 1 10 ACPCP Convective precipitation kg m-2
0 1 13 WEASD Water equivalent of accumulated snow depth kg m-2
0 1 22 CLWMR Cloud water mixing ratio kg kg-1
0 1 192 CRAIN Categorical rain (yes=1; no=0)  
0 1 193 CFRZR Categorical freezing rain (yes=1; no=0)  
0 1 194 CICEP Categorical ice pellets (yes=1; no=0)  
0 1 195 CSNOW Categorical snow (yes=1; no=0)  
0 1 196 CPRAT Convective precipitation rate kg m-2 s-1
0 1 200 PEVPR Potential evaporation rate W m-2
0 2 2 U GRD u-component of wind m s-1
0 2 3 V GRD v-component of wind m s-1
0 2 8 V VEL Vertical velocity (pressure) Pa s-1
0 2 10 ABS V Absolute vorticity s-1
0 2 17 U FLX Momentum flux, u-component N m-2
0 2 18 V FLX Momentum flux, v-component N m-2
0 2 192 VW SH Vertical speed shear s-1
0 3 0 PRES Pressure Pa
0 3 1 PRMSL Pressure reduced to MSL Pa
0 3 5 HGT Geopotential height gpm
0 3 9 GP A Geopotential height anomaly gpm
0 3 193 5WAVH 5-wave geopotential height gpm
0 3 194 U-GWD Zonal flux of gravity wave stress N m-2
0 3 195 V-GWD Meridional flux of gravity wave stress N m-2
0 3 196 HPBL Planetary boundary layer height m
0 3 197 5WAVA 5-wave geopotential height anomaly gpm
0 4 192 DSWRF Downward shortwave radiation flux W m-2
0 4 193 USWRF Upward shortwave radiation flux W m-2
0 5 192 DLWRF Downward longwave radiation flux W m-2
0 5 193 ULWRF Upward longwave radiation flux W m-2
0 6 1 T CDC Total cloud cover %
0 6 6 C WAT Cloud water kg m-2
0 6 193 CWORK Cloud workfunction J kg-1
0 7 6 CAPE Convective available potential energy J kg-1
0 7 7 CIN Convective inhibition J kg-1
0 7 192 LFT X Surface lifted index deg K
0 7 193 4LFTX Best (4 layer) lifted index deg K
0 14 0 TOZNE Total ozone Dobson
0 14 192 O3MR Ozone mixing ratio kg kg-1
0 19 1 ALBDO Albedo %
2 0 0 LAND Land cover  
2 0 5 WATR Water runoff kg m-2
2 0 192 SOILW Volumetric soil moisture content  
2 0 193 GFLUX Ground heat flux W m-2
10 2 0 ICEC Ice cover fraction

 用python读取数据,画某地风矢量图:主要用pygrib

 

 

 

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