NAM 12km: 2024 April 20

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 – 20 Apr 00Z	1-hour forecast – 20 Apr 01Z	2-hour forecast – 20 Apr 02Z	3-hour forecast – 20 Apr 03Z	4-hour forecast – 20 Apr 04Z	5-hour forecast – 20 Apr 05Z	6-hour forecast – 20 Apr 06Z	Nowcast – 20 Apr 06Z	1-hour forecast – 20 Apr 07Z	2-hour forecast – 20 Apr 08Z	3-hour forecast – 20 Apr 09Z	4-hour forecast – 20 Apr 10Z	5-hour forecast – 20 Apr 11Z	6-hour forecast – 20 Apr 12Z	Nowcast – 20 Apr 12Z	1-hour forecast – 20 Apr 13Z	2-hour forecast – 20 Apr 14Z	3-hour forecast – 20 Apr 15Z	4-hour forecast – 20 Apr 16Z	5-hour forecast – 20 Apr 17Z	6-hour forecast – 20 Apr 18Z	Nowcast – 20 Apr 18Z	1-hour forecast – 20 Apr 19Z	2-hour forecast – 20 Apr 20Z	3-hour forecast – 20 Apr 21Z	4-hour forecast – 20 Apr 22Z	5-hour forecast – 20 Apr 23Z	6-hour forecast – 21 Apr 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