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Tim Supinie

@plustssn.autumnsky.us
1.1K followers 289 following 970 posts

Hydrometeor connoisseur 💧❄️🌪️ / Electron herder 💻 / Rhythmic airbender 🎸🎶 / Amateur edible chemist 🍞🍳 / @climbingfox86.autumnsky.us's worse half 👫 / OU SoM alum 👨‍🎓 / 🚫🧊

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Tim Supinie @plustssn.autumnsky.us · 12h
Nope, just quirks of floating point representations. You can safely exorcise your code. (After updating to the latest autumnplot dev branch.)
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Tim Supinie @plustssn.autumnsky.us · 20h
Here's an autumnplot-gl bug I hadn't found. A quirk of floating point numbers is that -0 is distinct from 0. Turns out, if you pass u=-0 to the autumnplot-gl barbs, MacOS incorrectly rotates the barb 180°. Or, it did until I fixed the dev branch just now. Still an "Easter egg" in the REFS page.
A screenshot of the REFS page containing a field of barbs mostly from the north/northwest, but a few conspicuously rotated 180 degrees from where they should be.
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Tim Supinie @plustssn.autumnsky.us · 06/10/2026
If it helps isolate the problem, I see it on reflectivity, ZDR, KDP, and CC, but not on velocity or spectrum width. And it appears to be the same radials duplicated on each of those parameters.
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Tim Supinie @plustssn.autumnsky.us · 06/10/2026
D'oh, I should actually read. 😅
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Tim Supinie @plustssn.autumnsky.us · 06/10/2026
One last (for now) item of feedback: I'd like to be able to pick the single-site radar from the map. Is there a way to do that I haven't found or do you have to add it from the layer menu?
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Tim Supinie @plustssn.autumnsky.us · 06/10/2026
Also, it looks like it can display incomplete sweeps. I think I'd prefer waiting until the sweep is complete before displaying it. That avoids situations where you're trying to look at a particular storm, but the data disappears for several seconds because a new sweep started.
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Tim Supinie @plustssn.autumnsky.us · 06/10/2026
Also, some strange behavior when looking at upper tilts from live data. The most recent volume is incomplete, so I'd like to look at the most recent complete volume. But when I go back one volume scan, it can jump to the incomplete volume. I assume this is due to having to handle the SAILS cuts.
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Tim Supinie @plustssn.autumnsky.us · 06/10/2026
There are a whole bunch of radials that look like they're duplicates of the ones next to them. I think you said you're doing some regridding to keep a common autumnplot grid in the background. Is this a result of that?
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Kelton Halbert @stormscale.io · 06/10/2026
Sometimes you just have to draw a line in the sand and say something is ready. I've spent the last month or so not only adding level II site functionality to Heimdall, but what I consider to be genuinely novel functionality and interactivity. It's live for you to try at heimdall.stormscale.io
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Tim Supinie @plustssn.autumnsky.us · 02/10/2026
That's good! I only sorta designed it with mobile in mind. 😅
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Tim Supinie @plustssn.autumnsky.us · 01/10/2026
I've made a few tweaks and bug fixes in the last week, and SPC REFS Viewer v1.0 is live! www.spc.noaa.gov/exper/refs/v...
spc.noaa.gov
SPC REFS Ensemble Viewer
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Tim Supinie @plustssn.autumnsky.us · 30/09/2026
... .... .......
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Barry Baker @barrybaker.bsky.social · 30/09/2026
Been working on a reimagination of ncview. It led me to create github.com/bbakernoaa/n...
github.com
GitHub - bbakernoaa/ncview-rs
Contribute to bbakernoaa/ncview-rs development by creating an account on GitHub.
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Clark Evans @clarkevanswx.github.io · 28/09/2026
This position closes on Monday (tomorrow!) at 11:59p MDT!
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Clark Evans @clarkevanswx.github.io · 28/09/2026
This position closes on Wednesday at 11:59p MDT!
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Tim Supinie @plustssn.autumnsky.us · 27/09/2026
If the truly biblical amount of 0.11" fell on the Washington Mesonet site, it would be the most rain for that site in a single day since July 12.
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Tim Supinie @plustssn.autumnsky.us · 27/09/2026
Looking forward to Norman's 0.09" of rain this week. Which, if that absolutely prodigious amount fell in one day, would be the most rain in a single day since August 7.
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Tim Supinie @plustssn.autumnsky.us · 26/09/2026
HRRR-RRFS TLE and SSEOv2 are both on my list of viewers to make. Not sure if they'll be public, though.
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Tim Supinie @plustssn.autumnsky.us · 26/09/2026
Yep, we plan to keep all that available.
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Tim Supinie @plustssn.autumnsky.us · 26/09/2026
I hope to have REFS viewer v1 out to the public late next week. (Though it'll depend on what bugs are still lurking.) There are still a few loose ends and missing fields I'd like to get in before we get too deep into winter, so there'll be v1.1 in the hopefully not-too-distant future.
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Tim Supinie @plustssn.autumnsky.us · 26/09/2026
With the HREF retirement on October 14, @brettjrob.bsky.social's SPC HREF viewer will also be retired from real-time updates. It'll still be available in archive mode. Brett's viewer is amazing and contributed so much to SPC operations. I definitely stole some ideas from it when designing mine.
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Tim Supinie @plustssn.autumnsky.us · 26/09/2026
Big REFS Transition Project 2 (SPC REFS viewer v1) is functionally complete. I sent a version around to SPC forecasters for a final pass at bugs this afternoon (though I realized I had a few more 5-minute tweaks I wanted to make when grabbing these screenshots).
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Tim Supinie @plustssn.autumnsky.us · 23/09/2026
static.klipy.com
Michael Scott: Ready To Get Hurt Again Meme
ALT: Michael Scott: Ready To Get Hurt Again Meme
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Tim Supinie @plustssn.autumnsky.us · 22/09/2026
I know there's a theoretical maximum potential intensity for TCs. Is there a similar maximum potential intensification rate? I haven't ever seen anyone talk about that, but it seems (to my uninformed brain) like it should exist.
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Kim Wood @drkimwood.bsky.social · 22/09/2026
Since 1988 when the NHC took responsibility for the eastern North Pacific, 44 hurricanes have intensified by 60+ kt in 24 hours (double the 30kt/24h threshold for RI). However, Hurricane Polo is in rare territory at +85 kt in 24 h. Only Linda (1997), Otis (2023), and Patricia (2015) outpaced this.
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Katharine M. Kanak, PhD @kmkanak.bsky.social · 22/09/2026
Hopefully we’re done with 100+F temps for 2026. Had a total of 45 days at both KOKC and KOUN. OKC had 63 days in 2011 and 45 in 1980 (data courtesy of IEM). Also, never been so happy with 0.06 in of rain!
Graph showing 0.06 inches of rain at home weather station 9/21/26Radar depiction of very small rain shower near Norman Oklahoma Bar chart of observed surface temperatures greater than or equal to 100F at KOUN Bar chart of observed surface temperatures greater than or equal to 100F at KOKC
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Tim Supinie @plustssn.autumnsky.us · 21/09/2026
We counted about twelve earlier.
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Tim Supinie @plustssn.autumnsky.us · 20/09/2026
Oh, I see it's "convective line develops just east of us" season already. It's never gonna rain here again, is it?
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Tim Supinie @plustssn.autumnsky.us · 19/09/2026
👀👀👀👀 (I mean, this is still basically average for the time of year, but man, it's gonna feel good after 2 months of 100 ºF almost every day.)
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Tim Supinie @plustssn.autumnsky.us · 19/09/2026
👀👀
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Tornado Archive @tornadoarchive.com · 18/09/2026
A massive upgrade to almost all of our Latin American tornado data is now available on the site! We're aware of some additional data still for South America, but as of now we've included as much publicly available information as we could.
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Tim Supinie @plustssn.autumnsky.us · 18/09/2026
Another batch of fried rice.
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Tim Supinie @plustssn.autumnsky.us · 14/09/2026
Text I sent to the wife on August 27. Okay, it was three weeks, but close enough.
A text that reads:
Guarantee within the next week, maybe 2, there's gonna be a all-hands, hair-on-fire effort to scrub "Lake Ontario" from our website.
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Tim Supinie @plustssn.autumnsky.us · 14/09/2026
Huh. Well, I guess that explains the lack of Internet since early this afternoon.
A text that reads:
OEC and OEC Fiber
We are experiencing a large outage in Noble due to a grass fire that damaged main fiber lines. Repairs are expected to continue into tomorrow. No ETA is available, but we will keep you updated as best we can.
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Tim Supinie @plustssn.autumnsky.us · 13/09/2026
The subtropical ridge remaining over Oklahoma well into September, combined with the antecedent very dry soil conditions, led to yesterday's 106ºF reading at OKC. My guess is the frequency of this kind of persistent September heat will increase as the climate warms.
GFS forecast for 7pm CDT Thursday, September 17. The subtropical ridge is still hanging around the south-central US, with a 597 dam ridge centered near Ft. Smith, AR.
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Tim Supinie @plustssn.autumnsky.us · 13/09/2026
Summer 2026 in Oklahoma in 3 graphics. (Reposted to correct the caption on of the graphics.)
Persistent ridging over the central US during July and August 2026 ...... led to generally below-average rainfall across OK, with much of the state being at or below 50% of normal rainfall for the period July 15-September 12 ...... leading to very depleted deep soil moisture across much of the central and western portions of the state.
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Alan Gerard @wxmanms1.bsky.social · 12/09/2026
OKC hit 105F today, breaking daily record by 3F and (from what I see in XM-ACIS) set record for hottest temperature so late in the season, which was 105F on 9/11/2000. forecast.weather.gov/product.php?...
forecast.weather.gov
National Weather Service
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Kelton Halbert @stormscale.io · 12/09/2026
I am unreasonably happy seeing this. This is exactly why we wanted to make the Mesoanalysis available!
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Tim Supinie @plustssn.autumnsky.us · 12/09/2026
It sucks that these tools, which are genuinely cool and potentially very useful, are tainted by being built off large-scale content theft with a huge environmental impact. Not to mention having been created by companies whose employees (apparently genuinely) believe AI will kill us all (somehow).
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Tim Supinie @plustssn.autumnsky.us · 12/09/2026
I've tried running some open-weight models myself, but my hardware sucks for that kind of task. These models need big amounts of data loaded into RAM at once, and my 2021 laptop wasn't built for 2026 LLMs. Now I understand why RAM is so expensive these days.
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Tim Supinie @plustssn.autumnsky.us · 12/09/2026
In fact, my problems with greedy capitalists (and the environmental impact) are why I haven't dabbled as much as I'd like in AI coding. The only language for approval/disapproval these companies know is cash, so I've avoided paying them my own cash. (No judgement if you pay for Claude, etc.)
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Tim Supinie @plustssn.autumnsky.us · 12/09/2026
Kelton has a lot of good thoughts, and I'll add my own. A lot of problems (though absolutely not all the problems) that people have with generative AI are actually problems that people have with 1) Greedy capitalists 2) People who don't give a shit. (There's some overlap there, for sure.)
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Moanin’ Obukhov @fivethirds.net · 12/09/2026
So ultimately, a computer leading the construction of logic that is consumed by a computer is a reasonable tool for the job. Conversely, writing and other art forms are communication from humans to other humans. They convey our shared experiences, and evoke emotions known to humans ...
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Kelton Halbert @stormscale.io · 12/09/2026
I hate that it took mass theft of intellectual property to get here. I’m concerned about the impact data enters and corporate interests will have on communities. I’m also blown away that in less than 24 hours while I slept, I have prototype level 2 radar data in my side project. This stuff is wild
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Tim Supinie @plustssn.autumnsky.us · 11/09/2026
How's the autumnplot-gl single-site radar treating you?
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Kenzie Krocak @mjkrocak.bsky.social · 11/09/2026
Long time, no post, but I have to share a cool job opportunity: Social Science Research and Testbed Support Specialist in Norman, OK. Please pass along to folks who may be interested! Happy to answer questions or point you to someone who knows more. careers-fedwriters.icims.com/jobs/2456/so...
careers-fedwriters.icims.com
Careers: Unlocking Your Path to Success | FedWriters
Unlock a world of opportunities with FedWriters. Our active recruitment is your gateway to dynamic careers where talent and innovation come together.
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Clark Evans @clarkevanswx.github.io · 11/09/2026
This position’s deadline will be extended to Sept. 18th at 11:59p MDT. Please share with anyone you know in the planetary boundary layer modeling community.
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Tim Supinie @plustssn.autumnsky.us · 09/09/2026
The final implementation has been pushed back to October 14, but you can find preview data at the link here. ↓
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Clark Evans @clarkevanswx.github.io · 03/09/2026
Another job opportunity with @cira-csu.bsky.social to work collaboratively with GSL is now available! This one’s for a model developer, focusing on code development, implementation, management, and optimization. For more details: csusystem.wd12.myworkdayjobs.com/fortcollins_...
static.klipy.com
DJ Khaled: Another One
ALT: DJ Khaled: Another One
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Tim Supinie @plustssn.autumnsky.us · 03/09/2026
Haha, pretty sure I first heard about it like a decade ago and thought writing an interpreter would make a fun project. I was never in the (very specific) correct mood for such a project until last night, though.
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