Settings

Temperature

Air temperature, dew point, heat index, wind chill and map isotherms. Stored internally as °F.

Wind speed

Sustained wind, gusts, transport winds and particle streamline legends. Stored internally as mph.

Pressure

Surface pressure, mean sea-level pressure and isobar labels. Stored internally as hPa.

Distance & visibility

Visibility, scan radii and grid spacing readouts. Stored internally as ft.

Precipitation

Rain accumulation totals and rate readouts. Stored internally as in.

Snow depth

Snowfall and snow-depth values, kept separate from rainfall by convention. Stored internally as in.

Height & elevation

Station elevation, cloud bases, freezing-level height. Stored internally as m.

Air-quality concentration

Particulate and trace-gas concentrations on the health bulletin. Stored internally as µg/m³.

Time format

Observation stamps, sunrise/sunset and model valid times. Stored internally as 12-hour.