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发表于 2013-12-13 17:34:52
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float VW_SH_3_TRO ( lat_3, lon_3 )
center : US National Weather Service - NCEP (WMC)
long_name : Vertical speed shear
units : 1/s
_FillValue : 1e+20
level_indicator : 7
grid_number : 3
parameter_table_version : 2
parameter_number : 136
model : Spectral Statistical Interpolation (SSI) analysis from "Final" run.
forecast_time : 0
forecast_time_units : hours
initial_time : 08/05/2011 (00:00)
float VW_SH_3_PVL ( lv_PVL2, lat_3, lon_3 )
center : US National Weather Service - NCEP (WMC)
long_name : Vertical speed shear
units : 1/s
_FillValue : 1e+20
level_indicator : 117
grid_number : 3
parameter_table_version : 2
parameter_number : 136
model : Spectral Statistical Interpolation (SSI) analysis from "Final" run.
forecast_time : 0
forecast_time_units : hours
initial_time : 08/05/2011 (00:00)
-----------------------
-VW-SH Vertical speed shear 1/sec
Tropopause TRO
potential vorticity(pv) surface pv value in units of 10-9Km2/kgs(2 octets) PVL
--------------------------
lv_PVL2 2000 34768
这个是FNL数据里的描述
希望有帮助
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