[GreenKeys] ZZZZ or ZCZC?

[Jim Haynes]

On Wed, 16 Oct 2019, E. wrote:
>
> The reason I was confused was because of the Teletype bulletins seen 
> further down in this PDF here from the Weather Service:
>
> https://www.weather.gov/media/publications/assessments/Omaha%20Tornado%201975.pdf
>
> …but if ZZ means Flash, then that might explain why they are used here
(in the link above).
>
Well I dunno, but ZZ for Flash in the military is for reports of initial
contact with the enemy and that sort of thing.