David John Gagne II

@djgagnedos

Machine Learning Scientist at NSF NCAR in Boulder, CO. Interested in the linkages among AI, weather, climate, disasters, and impacts.

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David John Gagne II@djgagnedos· 7d

👀 Something special my team's been working on is set to arrive next week.

THIS IS THE LAST PR BEFORE THE GEN 2 RELEASE.v2.final.reallyfinal.seriouslyfinal.notkiddingguys.docx

David John Gagne II@djgagnedos· 18d

The SPC is channeling Raffi over the western US. 🍌☎️

David John Gagne II@djgagnedos· Jun 14

Noting the forecast for 9 PM Eastern tonight from the 20Z HRRR for no reason in particular.

David John Gagne II@djgagnedos· May 19

The Flatirons are going full Bob Ross the morning.

David John Gagne II@djgagnedos· May 6

My shirt finally manifested some snow in Boulder.

David John Gagne II@djgagnedos· May 2

UCAR posted its response to the government defense statement with some especially spicy retorts. Hearing is next Thursday. www.courtlistener.com/docket/72496...

NSF Both Announced and Confirmed Its Decision to Transfer NWSC Stewardship
The evidence proves final agency action—in the agency’s own words. On February 12 NSF notified UCAR that “NSF has decided to transfer stewardship of the NCAR-Wyoming Supercomputer [sic] Center (NWSC),” requiring UCAR to “[c]oordinat[e] with a new managing entity.” Dkt. 18-5 at 2 (emphasis added). Were there any lingering doubt, NSF snuffed it out at a March 11 meeting: “This is a decision made.”

The Opposition entirely ignores the February 12 and March 11 statements. NSF’s Acting

Chief of Staff, for her part, attempts to rewrite the record (and the English language) by claiming

that NSF’s statements might have been “misinterpreted.” Dkt. 32-1 ¶ 38. But courts do not defer

to agency interpretations of their past statements absent “genuine ambiguity,” Kisor v. Wilkie,

588 U.S. 558, 559 (2019). Here, there is none. When agencies leave no uncertainty that their

decision has been made, their audience should be able to take them at their word. Having shut

the administrative door with a final decision, NSF cannot now shut the courthouse door by

claiming the decision was nonfinal. The possibility that an agency might “revise” its action based

on “new information” “does not make an otherwise definitive decision nonfinal,” U.S. Army

Corps of Engineers v. Hawkes Co., 578 U.S. 590, 598 (2016), nor may an agency “prevent an

action from being considered final by simply leaving open the possibility that it may ‘revisit’ its

decision in the future,” Dekovic, 169 F.4th at 1011. Nothing permits NSF’s even bolder strategy

of claiming that a decision it announced with no ifs, ands, or buts was never final at all.

David John Gagne II@djgagnedos· Apr 30

The defense also produced a memo from OMB in November with their intent to break up NCAR and why. Docs available on the federal PACER system. Defense docs didn’t get uploaded to www.courtlistener.com/docket/72496... but can be found from there.

David John Gagne II@djgagnedos· Feb 18

Relevant news to people who depend on government science funding and not just health. www.nytimes.com/2026/02/18/u...

David John Gagne II@djgagnedos· Feb 1

All the Denver airport trains broke down so everyone had to walk across the bridge and somehow go from there. Looks like trains are starting to run again but there’s a big line down the escalators.

David John Gagne II@djgagnedos· Jan 30

Lots of satellite mosaics in Houston at #AMS2026 but only one made of real tiles.

David John Gagne II@djgagnedos· Jan 28

I'm providing an update on CREDIT at 4:30 PM today in 330A at #AMS2026. Here's a taste of some of the changing views on ML weather prediction I will be providing. (Thanks @plustssn.autumnsky.us for the last minute bug fix!)

David John Gagne II@djgagnedos· Dec 10

Good view from the office this evening.

David John Gagne II@djgagnedos· Oct 23

Following the references for this letter leads to an even more entertaining citation.

David John Gagne II@djgagnedos· Oct 13

Coaches as Crazy Taxi passengers: Kalen DeBoer vs James Franklin.

Kalen DeBoer waiting underwater for a ride with a snorkel.

James Franklin trying to call a taxi from the subway platform.

David John Gagne II@djgagnedos· Sep 12

Checking my bkuesky feed this week/month/year.

David John Gagne II@djgagnedos· Aug 4

PSA: the wind components in the GFS and GEFS cube sphere tile netCDF files are already in Earth-relative coordinates. Figured this out by making this plot after two days of wondering why the transformed wind vectors wouldn't line up across tiles.

David John Gagne II@djgagnedos· Jun 14

Protest sign saying “They’re eating all the checks. They’re eating all the balances.”

David John Gagne II@djgagnedos· Jun 11

I got to visit Gary England’s studio back in 2006 with Dr. Carr’s freshman meteorology mentoring group. RIP Gary.

David John Gagne II@djgagnedos· Jun 4

The guy surrendered and is now in police custody.

David John Gagne II@djgagnedos· Jun 4

Dude on rock. Don’t want to show cops but there’s a bunch talking to him from a distance.

David John Gagne II@djgagnedos· May 15

Good to know that our AI company overlords are already contemplating the Dr. Strangelove plan for riding out AGI.

President Merkin Muffley: You mean people could actually stay down there for a hundred years?
Dr. Strangelove: It would not be difficult, Mein Führer! Nuclear reactors could - heh, I'm sorry, Mr. President - nuclear reactors could provide power almost indefinitely. Greenhouses could maintain plant life. Animals could raised and *slaughtered*. A quick survey would have to be made of all the available mine sites in the country. But, I would guess, that a dwelling space for several 100,000 of our people could easily be provided.
President Merkin Muffley: Well, I would hate to have to decide who stays up and who goes down.
Dr. Strangelove: Well, that would not be necessary, Mr. President. It could easily be accomplished with a computer. And a computer could be set and programmed to accept factors of youth, health, sexual fertility, intelligence and a cross-section of necessary skills. Of course, it would be vital that top government and military men be included to foster and impart the required principles of leadership and tradition. Heil! Actually, they would breed prodigiously, yeah? There would be much time and little to do. With a proper breeding techniques and a ratio of, say, ten females to each male, I would guess that they could interact their way back to the present gross national product within, say, 20 years.

David John Gagne II@djgagnedos· May 15

Machine learning with ECMWF ICs leaning Kansas with some hope for Wray. GEFS and MPAS initial conditions leaning OK and eastern KS. Choose wisely. www2.mmm.ucar.edu/projects/nca...

David John Gagne II@djgagnedos· Apr 30

In tales of WTF is going on with our data, I discovered that ERA5 has 20 Pa differences between the surface pressure and mean sea level pressure over the ocean in weird wavy patterns. MSLP is also smoother. GFS has much smaller variations (~2 Pa). Any idea what might be going on?

David John Gagne II@djgagnedos· Apr 3

San Marino and Monaco only get a 10% tariff rate compared with the rest of the EU at 20%. I am sure that little loophole won't get exploited at all. Source: www.cnbc.com/2025/04/02/t...

David John Gagne II@djgagnedos· Mar 15

It looks like there are 2 velocity couplets in the storm that just crossed into Mississippi. If we are already getting this kind of situation this early, it’s going to be a very long day for the tornado threat.

David John Gagne II@djgagnedos· Jan 21

Looks like downslope winds on the south side of Boulder are warming things up quite a bit. Everyone else is stuck with the effects of overnight radiational cooling.

David John Gagne II@djgagnedos· Dec 21

Open AI is so desperate for more high quality training data that they have reinvented expert systems.

David John Gagne II@djgagnedos· Dec 17

Shocked and saddened to hear about the passing of Dr. Berrien Moore. In my time at OU he was a big advocate for improving the student experience in AGS and facilitated moving the Oklahoma Weather Lab to its bigger space. Even with all his commitments he still made time to chat and listen. RIP.

David John Gagne II@djgagnedos· Dec 11

When I visited China a few weeks ago for a WMO conference, I got to see some of the investments they are putting into international training and it is quite substantial like this giant building. Article is a great dive into what is going on behind the scenes and the implications.

David John Gagne II@djgagnedos· Dec 10

Packed room for the morning #AGU24 AI session.