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Variable
Long name
Unit
API Query
landsfc
Land cover (0 = sea, 1 = land) @ Ground or water surface
prescclb
Pressure @ Convective cloud bottom level
Pa
cinsfc
Convective inhibition @ Ground or water surface
J/kg
csnowsfc_1_Hour_Average
Categorical Snow (1_Hour Average) @ Ground or water surface
Code table 4.222
vgrdtrop
v-component of wind @ Tropopause
m/s
presmclb_3_Hour_Average
Pressure (3_Hour Average) @ Middle cloud bottom level
Pa
tmpsfc
Temperature @ Ground or water surface
K
watrsfc_3_Hour_Accumulation
Water runoff (3_Hour Accumulation) @ Ground or water surface
kg.m-2
tmpmclt_3_Hour_Average
Temperature (3_Hour Average) @ Middle cloud top level
K
vgrdsig
v-component of wind @ Sigma level
m/s
ulwrfsfc_3_Hour_Average
Upward Long-Wave Rad. Flux (3_Hour Average) @ Ground or water surface
W.m-2
watrsfc_1_Hour_Accumulation
Water runoff (1_Hour Accumulation) @ Ground or water surface
kg.m-2
crainsfc_3_Hour_Average
Categorical Rain (3_Hour Average) @ Ground or water surface
Code table 4.222
rhclm
Relative humidity @ Entire atmosphere layer
%
vgrd2pv
v-component of wind @ Potential vorticity surface
m/s
cfrzrsfc_3_Hour_Average
Categorical Freezing Rain (3_Hour Average) @ Ground or water surface
Code table 4.222
ulwrftoa_3_Hour_Average
Upward Long-Wave Rad. Flux (3_Hour Average) @ Nominal top of the atmosphere
W.m-2
tmplclt_3_Hour_Average
Temperature (3_Hour Average) @ Low cloud top level
K
pevprsfc
Potential Evaporation Rate @ Ground or water surface
W.m-2
tmp_m
Temperature @ Specified height level above ground
K
hgt0c
Geopotential height @ Level of 0 °C isotherm
gpm
rhsig
Relative humidity @ Sigma level
%
vgwdsfc_3_Hour_Average
Meridional Flux of Gravity Wave Stress (3_Hour Average) @ Ground or water surface
N.m-2
clwmrprs
Cloud mixing ratio @ Isobaric surface
kg/kg
rhsg
Relative humidity @ Sigma level layer
%
o3mrprs
Ozone Mixing Ratio @ Isobaric surface
kg.kg-1
icahttrop
ICAO Standard Atmosphere Reference Height @ Tropopause
m
rh2m
Relative humidity @ Specified height level above ground
%
plpl255_0mb
Pressure of level from which parcel was lifted @ Level at specified pressure difference from ground to level layer
Pa
hindexsfc
Haines index @ Ground or water surface
uflxsfc_1_Hour_Average
Momentum flux, u-component (1_Hour Average) @ Ground or water surface
N.m-2
vvelprs
Vertical velocity (pressure) @ Isobaric surface
Pa/s
sunsdsfc
Sunshine Duration @ Ground or water surface
s
vgrdpbl
v-component of wind @ Planetary Boundary Layer
m/s
pratesfc_3_Hour_Average
Precipitation rate (3_Hour Average) @ Ground or water surface
kg.m-2.s-1
cworkclm_3_Hour_Average
Cloud Work Function (3_Hour Average) @ Entire atmosphere layer
J.kg-1
tmpmwl
Temperature @ Maximum wind level
K
vwshtrop
Vertical Speed Shear @ Tropopause
s-1
ugrdmwl
u-component of wind @ Maximum wind level
m/s
ugwdsfc_1_Hour_Average
Zonal Flux of Gravity Wave Stress (1_Hour Average) @ Ground or water surface
N.m-2
tmpprs
Temperature @ Isobaric surface
K
apcpsfc_1_Hour_Accumulation
Total precipitation (1_Hour Accumulation) @ Ground or water surface
kg.m-2
rh0c
Relative humidity @ Level of 0 °C isotherm
%
pratesfc_1_Hour_Average
Precipitation rate (1_Hour Average) @ Ground or water surface
kg.m-2.s-1
lftxsfc
Surface Lifted Index @ Ground or water surface
K
csnowsfc_3_Hour_Average
Categorical Snow (3_Hour Average) @ Ground or water surface
Code table 4.222
wiltsfc
Wilting Point @ Ground or water surface
Fraction
acpcpsfc_1_Hour_Accumulation
Convective precipitation (1_Hour Accumulation) @ Ground or water surface
kg.m-2
vstm6000_0m
V-Component Storm Motion @ Specified height level above ground layer
m.s-1
tmphclt_1_Hour_Average
Temperature (1_Hour Average) @ High cloud top level
K
rh_mb
Relative humidity @ Level at specified pressure difference from ground to level layer
%
icahtmwl
ICAO Standard Atmosphere Reference Height @ Maximum wind level
m
hpblsfc
Planetary Boundary Layer Height @ Ground or water surface
m
cpratsfc_3_Hour_Average
Convective Precipitation Rate (3_Hour Average) @ Ground or water surface
kg.m-2.s-1
Apparent_temperature_height_above_ground
Apparent temperature @ Specified height level above ground
K
ugrd_amsl
u-component of wind @ Specific altitude above mean sea level
m/s
presmwl
Pressure @ Maximum wind level
Pa
rhtop0c
Relative humidity @ Highest tropospheric freezing level
%
no4lftxsfc
Best (4 layer) Lifted Index @ Ground or water surface
K
prestrop
Pressure @ Tropopause
Pa
Maximum_temperature_height_above_ground_Mixed_intervals_Maximum
Maximum temperature (Mixed_intervals Maximum) @ Specified height level above ground
K
preslclt_3_Hour_Average
Pressure (3_Hour Average) @ Low cloud top level
Pa
cape
Convective available potential energy @ Level at specified pressure difference from ground to level layer
J/kg
Visibility_surface
Visibility @ Ground or water surface
m
tmpsig
Temperature @ Sigma level
K
vflxsfc_3_Hour_Average
Momentum flux, v-component (3_Hour Average) @ Ground or water surface
N.m-2
pwatclm
Precipitable water @ Entire atmosphere layer
kg.m-2
prescclt
Pressure @ Convective cloud top level
Pa
gfluxsfc_3_Hour_Average
Ground Heat Flux (3_Hour Average) @ Ground or water surface
W.m-2
pres2pv
Pressure @ Potential vorticity surface
Pa
pressfc
Pressure @ Ground or water surface
Pa
tsoil
Soil temperature @ Depth below land surface layer
K
vwsh2pv
Vertical Speed Shear @ Potential vorticity surface
s-1
msletmsl
MSLP (Eta model reduction) @ Mean sea level
Pa
vgwdsfc_1_Hour_Average
Meridional Flux of Gravity Wave Stress (1_Hour Average) @ Ground or water surface
N.m-2
uswrfsfc_1_Hour_Average
Upward Short-Wave Radiation Flux (1_Hour Average) @ Ground or water surface
W.m-2
vgrd_mb
v-component of wind @ Level at specified pressure difference from ground to level layer
m/s
snodsfc
Snow depth @ Ground or water surface
m
cin
Convective inhibition @ Level at specified pressure difference from ground to level layer
J/kg
crainsfc_1_Hour_Average
Categorical Rain (1_Hour Average) @ Ground or water surface
Code table 4.222
cpratsfc_1_Hour_Average
Convective Precipitation Rate (1_Hour Average) @ Ground or water surface
kg.m-2.s-1
ugrd_mb
u-component of wind @ Level at specified pressure difference from ground to level layer
m/s
tozneclm
Total ozone @ Entire atmosphere layer
DU
preshclt_3_Hour_Average
Pressure (3_Hour Average) @ High cloud top level
Pa
capesfc
Convective available potential energy @ Ground or water surface
J/kg
tcdcclm_3_Hour_Average
Total cloud cover (3_Hour Average) @ Entire atmosphere
%
rhprs
Relative humidity @ Isobaric surface
%
preslclt_1_Hour_Average
Pressure (1_Hour Average) @ Low cloud top level
Pa
presmclt_3_Hour_Average
Pressure (3_Hour Average) @ Middle cloud top level
Pa
dpt2m
Dewpoint temperature @ Specified height level above ground
K
vgrd_amsl
v-component of wind @ Specific altitude above mean sea level
m/s
ustm6000_0m
U-Component Storm Motion @ Specified height level above ground layer
m.s-1
tmp_amsl
Temperature @ Specific altitude above mean sea level
K
spfh_mb
Specific humidity @ Level at specified pressure difference from ground to level layer
kg/kg
tcdcblcll_1_Hour_Average
Total cloud cover (1_Hour Average) @ Boundary layer cloud layer
%
absvprs
Absolute vorticity @ Isobaric surface
1/s
tcdclcll_1_Hour_Average
Total cloud cover (1_Hour Average) @ Low cloud layer
%
ugrdpbl
u-component of wind @ Planetary Boundary Layer
m/s
cfrzrsfc_1_Hour_Average
Categorical Freezing Rain (1_Hour Average) @ Ground or water surface
Code table 4.222
dswrfsfc_1_Hour_Average
Downward Short-Wave Radiation Flux (1_Hour Average) @ Ground or water surface
W.m-2
acpcpsfc_3_Hour_Accumulation
Convective precipitation (3_Hour Accumulation) @ Ground or water surface
kg.m-2
cicepsfc_3_Hour_Average
Categorical Ice Pellets (3_Hour Average) @ Ground or water surface
Code table 4.222
ugrdsig
u-component of wind @ Sigma level
m/s
tcdcmcll_3_Hour_Average
Total cloud cover (3_Hour Average) @ Middle cloud layer
%
vvelsig
Vertical velocity (pressure) @ Sigma level
Pa/s
ulwrftoa_1_Hour_Average
Upward Long-Wave Rad. Flux (1_Hour Average) @ Nominal top of the atmosphere
W.m-2
lhtflsfc_1_Hour_Average
Latent heat net flux (1_Hour Average) @ Ground or water surface
W.m-2
preshclb_3_Hour_Average
Pressure (3_Hour Average) @ High cloud bottom level
Pa
cworkclm_1_Hour_Average
Cloud Work Function (1_Hour Average) @ Entire atmosphere layer
J.kg-1
ulwrfsfc_1_Hour_Average
Upward Long-Wave Rad. Flux (1_Hour Average) @ Ground or water surface
W.m-2
ugrd2pv
u-component of wind @ Potential vorticity surface
m/s
weasdsfc
Water equivalent of accumulated snow depth @ Ground or water surface
kg.m-2
tmplclt_1_Hour_Average
Temperature (1_Hour Average) @ Low cloud top level
K
vgrdprs
v-component of wind @ Isobaric surface
m/s
lhtflsfc_3_Hour_Average
Latent heat net flux (3_Hour Average) @ Ground or water surface
W.m-2
vgrdmwl
v-component of wind @ Maximum wind level
m/s
cicepsfc_1_Hour_Average
Categorical Ice Pellets (1_Hour Average) @ Ground or water surface
Code table 4.222
vratepbl
Ventilation Rate @ Planetary Boundary Layer
m2.s-1
icsevprs
Icing severity @ Isobaric surface
non-dim
tmp2pv
Temperature @ Potential vorticity surface
K
ugwdsfc_3_Hour_Average
Zonal Flux of Gravity Wave Stress (3_Hour Average) @ Ground or water surface
N.m-2
gfluxsfc_1_Hour_Average
Ground Heat Flux (1_Hour Average) @ Ground or water surface
W.m-2
shtflsfc_1_Hour_Average
Sensible heat net flux (1_Hour Average) @ Ground or water surface
W.m-2
tcdchcll_1_Hour_Average
Total cloud cover (1_Hour Average) @ High cloud layer
%
5-Wave_Geopotential_Height_isobaric
5-Wave Geopotential Height @ Isobaric surface
gpm
soilw_cm
Volumetric Soil Moisture Content @ Depth below land surface layer
Fraction
presmclb_1_Hour_Average
Pressure (1_Hour Average) @ Middle cloud bottom level
Pa
ugrdtrop
u-component of wind @ Tropopause
m/s
fldcpsfc
Field Capacity @ Ground or water surface
Fraction
tmptrop
Temperature @ Tropopause
K
vgrd_m
v-component of wind @ Specified height level above ground
m/s
dlwrfsfc_3_Hour_Average
Downward Long-Wave Rad. Flux (3_Hour Average) @ Ground or water surface
W.m-2
tcdchcll_3_Hour_Average
Total cloud cover (3_Hour Average) @ High cloud layer
%
vflxsfc_1_Hour_Average
Momentum flux, v-component (1_Hour Average) @ Ground or water surface
N.m-2
uswrftoa_1_Hour_Average
Upward Short-Wave Radiation Flux (1_Hour Average) @ Nominal top of the atmosphere
W.m-2
cpofpsfc
Per cent frozen precipitation @ Ground or water surface
%
tcdcclm_1_Hour_Average
Total cloud cover (1_Hour Average) @ Entire atmosphere
%
tcdclcll_3_Hour_Average
Total cloud cover (3_Hour Average) @ Low cloud layer
%
dlwrfsfc_1_Hour_Average
Downward Long-Wave Rad. Flux (1_Hour Average) @ Ground or water surface
W.m-2
tcdcmcll_1_Hour_Average
Total cloud cover (1_Hour Average) @ Middle cloud layer
%
shtflsfc_3_Hour_Average
Sensible heat net flux (3_Hour Average) @ Ground or water surface
W.m-2
tmpmclt_1_Hour_Average
Temperature (1_Hour Average) @ Middle cloud top level
K
hgttop0c
Geopotential height @ Highest tropospheric freezing level
gpm
cwatclm
Cloud water @ Entire atmosphere layer
kg.m-2
potsig
Potential temperature @ Sigma level
K
pres
Pressure @ Specified height level above ground
Pa
gustsfc
Wind speed (gust) @ Ground or water surface
m/s
preslclb_1_Hour_Average
Pressure (1_Hour Average) @ Low cloud bottom level
Pa
Minimum_temperature_height_above_ground_Mixed_intervals_Minimum
Minimum temperature (Mixed_intervals Minimum) @ Specified height level above ground
K
tcdcblcll_3_Hour_Average
Total cloud cover (3_Hour Average) @ Boundary layer cloud layer
%
tmp_mb
Temperature @ Level at specified pressure difference from ground to level layer
K
hgtprs
Geopotential height @ Isobaric surface
gpm
preshclb_1_Hour_Average
Pressure (1_Hour Average) @ High cloud bottom level
Pa
uswrfsfc_3_Hour_Average
Upward Short-Wave Radiation Flux (3_Hour Average) @ Ground or water surface
W.m-2
icecsfc
Ice cover @ Ground or water surface
prmslmsl
Pressure reduced to MSL @ Mean sea level
Pa
tmphclt_3_Hour_Average
Temperature (3_Hour Average) @ High cloud top level
K
tcdcccll
Total cloud cover @ Convective cloud layer
%
presmclt_1_Hour_Average
Pressure (1_Hour Average) @ Middle cloud top level
Pa
albdosfc_1_Hour_Average
Albedo (1_Hour Average) @ Ground or water surface
%
uflxsfc_3_Hour_Average
Momentum flux, u-component (3_Hour Average) @ Ground or water surface
N.m-2
hgtsfc
Geopotential height @ Ground or water surface
gpm
preshclt_1_Hour_Average
Pressure (1_Hour Average) @ High cloud top level
Pa
ugrd_m
u-component of wind @ Specified height level above ground
m/s
dswrfsfc_3_Hour_Average
Downward Short-Wave Radiation Flux (3_Hour Average) @ Ground or water surface
W.m-2
hgtmwl
Geopotential height @ Maximum wind level
gpm
hgt2pv
Geopotential height @ Potential vorticity surface
gpm
preslclb_3_Hour_Average
Pressure (3_Hour Average) @ Low cloud bottom level
Pa
hlcy_m
Storm relative helicity @ Specified height level above ground layer
J/kg
hgttrop
Geopotential height @ Tropopause
gpm
albdosfc_3_Hour_Average
Albedo (3_Hour Average) @ Ground or water surface
%
Land-sea_coverage_nearest_neighbor_land1sea0_surface
Land-sea coverage (nearest neighbor) [land=1,sea=0] @ Ground or water surface
spfh
Specific humidity @ Specified height level above ground
kg/kg
ugrdprs
u-component of wind @ Isobaric surface
m/s
apcpsfc_3_Hour_Accumulation
Total precipitation (3_Hour Accumulation) @ Ground or water surface
kg.m-2
uswrftoa_3_Hour_Average
Upward Short-Wave Radiation Flux (3_Hour Average) @ Nominal top of the atmosphere
W.m-2
Dimension
Long name
Unit
isobaric
Isobaric surface
Pa
height_above_ground
Specified height level above ground
m
height_above_ground4
Specified height level above ground
m
isobaric4
Isobaric surface
Pa
time3
GRIB forecast or observation time
height_above_ground1
Specified height level above ground
m
isobaric3
Isobaric surface
Pa
lon
degrees_east
sigma
Sigma level
sigma
lat
degrees_north
reftime
GRIB reference time
sigma_layer
Sigma level
sigma
reftime
GRIB reference time
Hour since 2019-04-14T00:00:00Z
isobaric5
Isobaric surface
Pa
height_above_ground3
Specified height level above ground
m
potential_vorticity_surface
Potential vorticity surface
K m2 kg-1 s-1
height_above_ground_layer
Specified height level above ground
m
time
GRIB forecast or observation time
Hour since 2019-04-14T00:00:00Z
isobaric2
Isobaric surface
Pa
pressure_difference_layer
Level at specified pressure difference from ground to level
Pa
pressure_difference_layer2
Level at specified pressure difference from ground to level
Pa
depth_below_surface_layer
Depth below land surface
m
isobaric1
Isobaric surface
Pa
time2
GRIB forecast or observation time
Hour since 2019-04-14T00:00:00Z
pressure_difference_layer1
Level at specified pressure difference from ground to level
Pa
height_above_ground_layer1
Specified height level above ground
m
time1
GRIB forecast or observation time
Hour since 2019-04-14T00:00:00Z
altitude_above_msl
Specific altitude above mean sea level
m
height_above_ground2
Specified height level above ground
m