Um......   Sorry, but, you're misinformed.

The NWS issues WX Weather Forecasts to government agencies, including the FAA and Law Enforcement on a regular periodic basis.

This is the one they are referring to:
----------------------------
One product issued by NWS for: Denver CO Share|

Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1054 AM MDT Thu Jun 22 2017
...
...SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND EVENING...

This hazardous weather outlook is for northeast and north central
Colorado.

http://forecast.weather.gov/showsigwx.php?warnzone=COZ040&warncounty=COC031&firewxzone=COZ240&local_place1=Denver%20CO&product1=Hazardous+Weather+Outlook&lat=39.75&lon=-104.99#.WUwSJuvyvRY