Model charts for 83.2 W, 38.1 N (Storm relative helicity 0-2 mi)

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NAM CONUS

Model charts NAM-3km

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Most used parameters

These are the parameters most frequently viewed by our users. See all our parameters under the "all" tab

Significant Weather Mean Sea Level Pressure (mbar) Temperature (°F) Dew point (°F) Wind direction and mean wind speed (mph) Gusts, 1h (mph) Precipitation, 1h (in) Precipitation, 3h (in) Precipitation, 6h (in) Snow depth (in) Max. reflectivity (dBZ) Temperature, 850mbar (°C) Temperature, 500mbar (°C) Geopotential height, 500mbar (m) Wind speed and streamlines, 300mbar (kph)

All parameters

Here you will find all the parameters available for this model sorted into groups. Click on the respective group to display the parameters. If you don't see your desired parameter, try scrolling a bit down the list.

Weather, pressure

Significant Weather Mean Sea Level Pressure (mbar) Pressure change 1h (mbar) Pressure change 3h (mbar)

Temperature and humidity

Temperature (°F) Temperature (Grid) (°F) Temperature (color blindness) (°F) Max. temperature, 3h (°F) Min. temperature, 3h (°F) Relative humidity (%) Dew point (°F)

Wind, gusts, direction

Wind direction and mean wind speed (mph) Gusts, 1h (mph) Mean wind speed (mph) with stream lines

Clouds, sunshine, short wave radiation

Low clouds, coverage (%) Middle clouds, coverage (%) High clouds, coverage (%)

Precipitation: rain, snow, hail

Precipitation, 1h (in) Precipitation, 1h (Snow) (in) Precipitation, 3h (in) Precipitation, 3h (Snow) (in) Precipitation, 6h (in) Precipitation, 6h (Snow) (in) Snow depth (in)

Severe Weather Parameters

Max. reflectivity (dBZ) Supercell Composite Parameter Storm relative helicity 0-2 mi (m²/s²) Updraft helicity (m²/s²) and reflectivity Low-Level Shear 0-0.6 mi (kn) Deep Layer Shear 0-4 mi (kn) Mixed-Layer CAPE (J/kg) Surface based CAPE (J/kg) Mixed-Layer CIN (J/kg) Surface based CIN (J/kg) Lifted Index, 850mbar (K) Lightning rate, hourly Total column condensed water (kg/m²) Fire Weather Index

Composite charts

Thunderstorm composite

Flight meteorology

Planetary Boundary Height (m AGL)

Pressure level - 850mbar / ~5,000 ft

Temperature, 850mbar (°C) Wind speed and streamlines, 850mbar (kph) Relative Vorticity, 850mbar (10^-5/s)

Pressure level - 500mbar / ~18,000 ft

Temperature, 500mbar (°C) Wind speed and streamlines, 500mbar (kph) Geopotential height, 500mbar (m) Relative Vorticity, 500mbar (10^-5/s)

Pressure level - 300mbar / ~30,000 ft

Wind speed and streamlines, 300mbar (kph) Relative Vorticity, 300mbar (10^-5/s)

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Weather model

NAM-3km HRRR Swiss HD 4x4 RDPS ECMWF 6z/18z ECMWF IFS HRES 0z/12z ECMWF AIFS ICON GFS UKMO ARPEGE GEM ACCESS-G CMA GDAPS/UM MULTI-GLOBAL JMA GFS 0.125°

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Weather model

Swiss HD 1x1 Swiss HD Floater 4x4 Swiss HD Floater 1x1 ECMWF IFS (48r1) GFS/FV3

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Weather model

NAM-3km HRRR Swiss HD 4x4 GFS

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