If I had to guess, the script detects the wave front, not the peak. [email protected] schrieb am Dienstag, 18. Januar 2022 um 20:45:22 UTC+1:
> What I realized: The arrival time is not quite accurate in my case. The > script says 19:35, but the records show the peak at 20:25. > > [email protected] schrieb am Dienstag, 18. Januar 2022 um 20:39:22 > UTC+1: > >> An improvement could be to also extract data for the 2nd wave from the >> other direction. >> >> [email protected] schrieb am Dienstag, 18. Januar 2022 um 20:35:59 >> UTC+1: >> >>> Obsessed? You're just wrong in the right way :D ;) >>> >>> I really like this thread, and your script. Here is my result: >>> >>> distance to eruption 16894.9 km arrival at 1642272882 (2022-01-15 >>> 19:54:41) >>> >>> Google Earth Pro tells me, the distance is 16880.6km. >>> >>> [image: hunga_tonga.png] >>> [email protected] schrieb am Dienstag, 18. Januar 2022 um 18:40:46 >>> UTC+1: >>> >>>> I may be starting to obsess a bit, but give the attached python script >>>> a try. You may have to install additional modules, e.g. geopy and sqlite3. >>>> >>>> 1. On line 9, specify your location >>>> 2. On line 14, specify the range of hours you want to examine, around >>>> the event. >>>> 3. On line 25, you may need to adjust the query if your pressure data >>>> is not in the barometer column of the archive table >>>> 3. Move to the directory containing your weewx.sdb database, or on line >>>> 22, specify its full path. >>>> 4. Run the script >>>> >>>> The script calculates the distance from the eruption to your location, >>>> the travel time to your location at the speed of sound, and then queries >>>> and plots, and saves the barometer data for a time range around the >>>> estimated arrival time. It also remove any linear trend and plots the >>>> difference from that linear trend. >>>> >>>> Follow up with any improvements! >>>> >>>> Mine looks like this: >>>> [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/284525c6-2e1e-4d8d-83aa-9cd928383accn%40googlegroups.com.
