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Descriptions of Model Data for High-resolution Data Service

NCEP Regional Model - NGM

This is a list of products available from the NGM.

Times: initial, 6, 12, 18, 24, 30, 36, 42, 48

Levels: surface (sfc), sea level (sl), 1000 - 100 mb in 50 mb increments (1000-100), tropopause (trop)

Variables:

Variable Times Levels
Pressure (Pa) all times sl, sfc, trop
Temperature (K) all times 1000-100, trop
Relative humidity (%) all times 1000-100
Geopotential height (m) all times 1000-100, sfc
U wind component (m/s) all times 1000-100, trop
V wind component (m/s) all times 1000-100, trop
Precipitable water (kg/m^2) all times 0.0-1.0 sigma
Lifted index (K) all times 500-1000 mb
Absolute vorticity (/s) all times 850,700,500,250
Vertical velocity (Pa/s) all but init 850,700,500,400,300,250,200,150,100
Convective precipitation (kg/m^2) all but init1 sfc
Precipitation (kg/m^2) all but init1 sfc

1Precipitation values are 6 hour totals at 6, 18, 30, and 42 hours, 12 hour totals at 12, 24, 36, and 48 hours.

There are roughly 975 grids on the lambert conformal AWIPS grid 211.

NCEP Early Model - ETA

This is a list of products available from the ETA model.

Times: initial, 6, 12, 18, 24, 30, 36, 42, 48

Levels: surface (sfc), sea level (sl), 1000 - 100 mb in 50 mb increments (1000-100)

Variables:

Variable Times Levels
Pressure (Pa) all times sl, sfc, trop
Temperature (K) all times 1000-100, trop, 2m AG,
.97-1.0 sigma, .94-.97 sigma, .91-.94 sigma,
.88-.91 sigma, .85-.88 sigma
Relative humidity (%) all times 1000-100, 2m AG,
.97-1.0 sigma, .94-.97 sigma, .91-.94 sigma,
.88-.91 sigma, .85-.88 sigma
Geopotential height (m) all times 1000-100, sfc
U wind component (m/s) all times 1000-100, 10m AG,
.97-1.0 sigma, .94-.97 sigma, .91-.94 sigma,
.88-.91 sigma, .85-.88 sigma
V wind component (m/s) all times 1000-100, 10m AG,
.97-1.0 sigma, .94-.97 sigma, .91-.94 sigma,
.88-.91 sigma, .85-.88 sigma
Precipitable water (kg/m^2) all times 0.0-1.0 sigma
Lifted index (K) all times .97-.99 sigma
Absolute vorticity (/s) all times 1000,850,700,500,250
Vertical velocity (Pa/s) all but init 1000-100
Convective precipitation (kg/m^2) all but init1 sfc
Precipitation (kg/m^2) all but init1 sfc
4 layer lifted index (K) all times .86-.98 sigma
CAPE (J/kg) all times sfc, .84-.98 sigma
Convective inhibition (J/kg) all times sfc, .84-.98 sigma
Helicity (m^2/s^2) all times 0-3000m AG

1Precipitation values are 6 hour totals at 6, 18, 30, and 42 hours, 12 hour totals at 12, 24, 36, and 48 hours.

There are roughly 1425 grids on the lambert conformal AWIPS grid 211.

NMC Global Model - AVIATION (AVN)

This is a list of products available from the Aviation model:

Times: initial, 6, 12, 18, 24, 30, 36, 42, 48, 60, 72

Levels: surface (sfc), sea level (sl), 1000,850,700,500,400,300,250,200,150,100 (1000-100), tropopause (trop), max wind (wind)

Variables:

Variable Times Levels
Pressure (Pa) all times sl, sfc, trop, wind
Temperature (K) all times 1000-100, trop, wind, 2m AG
Relative humidity (%) all times 1000-300, 2m AG, 0-30mb AG
Geopotential height (m) all times 1000-100, trop, wind
U wind component (m/s) all times 1000-100, trop, wind, 10m AG, 0-30mb AG
V wind component (m/s) all times 1000-100, trop, wind, 10m AG, 0-30mb AG
Absolute vorticity (/s) all times 500
Vertical velocity (Pa/s) all but init 850-300
Convective precipitation (kg/m^2) all but init1 sfc
Precipitation (kg/m^2) all but init1 sfc

1All precipitation values are 6 hour totals.

There are roughly 825 grids on thinned lat-lon grid types 37-44.  WXP expands this out to a regular lat-lon grid prior ro processing.

The bulk of the grids out to 48 hours are also transmitted in the AWIPS grid 211.

NCEP Medium Range Forecast Model- MRF

This is a list of products available from the Medium Range Forecast model extended run in which forecasts are run to ten days.

Times: 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, and 10 days

Levels: sea level (sl), 1000,500 mb

Variables:

Variable Times Levels
Pressure (Pa) all times sl
Geopotential height (m) all times 500
U wind component (m/s) all times 1000
V wind component (m/s) all times 1000

There are roughly 120 grids broadcast on grid type 25,26.

NCEP Oceanographic Products - SWW Model

This is a list of products available from the Significant Wind Wave (SWW) model.

Times: 12, 24, 48, 72 hours

Levels: sea level

Variables:

Variable Times
Wave height (m) all times
Wave period (s) all times
Wave direction (deg) all times
Water temperature (K) analysis

There are roughly 60 grids broadcast on grid type 21,22,23,24

The water temperature grids are also broadcast on grid type 61,62,63,64.

NCEP Special Products

This is a list of products available from the Special Product set broadcast by NMC. Right now only snow cover is broadcast by NCEP on grids 61 and 62.

ECMWF Global Product Set

This is a list of products available from the European Center for Medium Range Forecasting.

Times: 1, 2, 3, 4, 5, 6, 7-10 days

Levels: sea level (sl), 1000,500 mb

Variables:

Variable Times Levels Grid
Pressure (Pa) all times sl 1,2,3,4,9,10,11,12
Temperature (K) all times 850 1,2,3,4,9,10,11,12
Geopotential height (m) all times, 7-10 500 1,2,3,4,9,10,11,12
U wind component (m/s) all times 850,200 5,6,7,8
V wind component (m/s) all times 850,200 5,6,7,8

There are roughly 240 grids.  The 10 day geopotential height field is a 72 hour average on grids 1,2,3,4 only.