Frame Controls  01/06 UTC NAM cross-section (every 3-hrs; 01/15 UTC - 02/00 UTC). Potential Temperature (K, solid lines), specific humidity (g/kg, color filled), winds (kts) 

 
play_controls
 
Loop Mode:
mode_controls
 
Adjust Speed:
speed_controls
 
Dwell First/Last:
dwell_controls
 
Frame No:
 
Omit Frame:
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19  20