Add defaults to function arguments
Set parameters at beginning of script
Uncomment several statements
Check for variable existance at conditional
Make separate if statements for each case
Remove obsolete statements
Replace variable name ("backtrajectory" to "backward_running")
Comment out statements to get summary of met files
Remove example function from script
Add comment to script
Write start year, month, day, hour to 'CONTROL'
Write number of starting locations to 'CONTROL'
Write starting lat/lon/height to 'CONTROL'
Write direction and number of model hours to 'CONTROL'
Write vertical motion option to 'CONTROL'
Write top of model domain to 'CONTROL'
Write number of met files used to 'CONTROL'
Write met paths to 'CONTROL'
Write emissions blocks to 'CONTROL'
Write grid blocks to 'CONTROL'