NAM 12km: 2024 March 21

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