The curve fit (solid black line) isn't matching your data (turquoise dots) really well. Try reducing smoothing_hours to maybe 12, or 6.
The true model to estimate arrival times accurately is probably a lot more complicated than time = distance / constant_velocity. On Saturday, January 22, 2022 at 3:37:09 p.m. UTC-4 [email protected] wrote: > WOW! This is some interesting data, here is my location in Northern > Utah. Looks like the reverse may be a little off in calculation but this > made it easy to find instead of hunting through the data. > > Great Work! > [image: hunga_tonga.png] > On Saturday, January 22, 2022 at 12:16:45 PM UTC-7 [email protected] > wrote: > >> Did an update to my script at: >> https://github.com/morrowwm/weewx_tonga_browse >> >> Mostly incorporating additions from Cameron (thanks!) >> >> All parameters you likely want to set are near the top of the script. >> >> 1. support for mysql (untested, I don't have a mysql based weewx >> installation) >> 2. calculation and display of all three initial arrival, arrival from >> opposite direction, and second arrival after one trip around the globe >> 3. highlighting of the three events with grey bars >> 4. cubic spline curve fit of raw data and use of that fit to remove >> the base pressure variations. The new smoothing_hours parameter can be >> used >> to control how close the fit is. >> 5. changed the display of data to highlight the extracted events and >> subdue the original data, other cosmetic changes >> >> I had a data outage about 26 hours after the event, we're quite a >> distance from Tonga, plus a major storm was clearing out in our area. So >> not obviously anything unusual happened. >> >> Some scientist might be interested in the arrival times of all this data, >> though. >> [image: hunga_tonga.png] >> >> -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/5d379045-e055-4643-afd0-2693aac5133fn%40googlegroups.com.
