If you are talking about what you can see at your station URL (something like " //tempestwx.com/station/nnnnn/grid " ) occasionally “going to sleep”, I see this periodically . In fact, I am currently seeing it
These symptoms are suspiciously similar to the issues that are happening that WeatherFlow PiConsole users are seeing (see WeatherFlow PiConsole - #2683 by peter et al.) . The PiConsole issues are being attributed to some kind of API issue (but, not sure if it applies to the browser version of the app) … but, I have not seen much response from WeatherFlow folks about the issue, so, I am not sure. Often, when this happens, the “rapid” wind updates are still occurring.
At any rate, when I see the issue, reloading the page does resolve the issue for me (but, it may come back pretty quickly … multiple restarts are occasionally needed).
It does seem to me that something is occurriing on the WeatherFlow servers that has yet to be diagnosed.