NAM 12km: 2025 October 17

Note: Four 84-hour forecasts are issued each day, but only the first 6 hours of each forecast are shown here. The sign convention for the fluxes is positive upward, negative downward, except for the shortwave radiation (solar radiation) flux, which has the opposite sign convention.

Variable	00Z Issue							06Z Issue							12Z Issue							18Z Issue
	Nowcast – 17 Oct 00Z	1-hour forecast – 17 Oct 01Z	2-hour forecast – 17 Oct 02Z	3-hour forecast – 17 Oct 03Z	4-hour forecast – 17 Oct 04Z	5-hour forecast – 17 Oct 05Z	6-hour forecast – 17 Oct 06Z	Nowcast – 17 Oct 06Z	1-hour forecast – 17 Oct 07Z	2-hour forecast – 17 Oct 08Z	3-hour forecast – 17 Oct 09Z	4-hour forecast – 17 Oct 10Z	5-hour forecast – 17 Oct 11Z	6-hour forecast – 17 Oct 12Z	Nowcast – 17 Oct 12Z	1-hour forecast – 17 Oct 13Z	2-hour forecast – 17 Oct 14Z	3-hour forecast – 17 Oct 15Z	4-hour forecast – 17 Oct 16Z	5-hour forecast – 17 Oct 17Z	6-hour forecast – 17 Oct 18Z	Nowcast – 17 Oct 18Z	1-hour forecast – 17 Oct 19Z	2-hour forecast – 17 Oct 20Z	3-hour forecast – 17 Oct 21Z	4-hour forecast – 17 Oct 22Z	5-hour forecast – 17 Oct 23Z	6-hour forecast – 18 Oct 00Z
Zonal Wind Velocity (m/s) 10 m above ground
Meridional Wind Velocity (m/s) 10 m above ground
Downward Shortwave Radiation Flux (W/m2) Surface
Upward Longwave Radiation Flux (W/m2) Surface
Net Latent Heat Flux (W/m2) Surface
Net Sensible Heat Flux (W/m2) Surface
Total Precipitation (kg/m2) Over past hour
Temperature (K) 2 m above ground
Pressure (Pa) Mean Sea Level
Relative Humidity (%) 2 m above ground
Total Cloud Cover (%) over the entire atmosphere