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Graham McIntire e5528d0135
NarrClient.extract_profile_from_file/3 + fetch_profile_at/2 
extract_profile_from_file shells out to cdo:

    cdo -outputtab,name,lev,value -remapnn,lon=X_lat=Y <merged.grb>

parses the text output (varNNN ↔ NCEP GRIB1 param number lookup),
maps surface records to era5_profiles fields, builds the pressure
profile from each (TMP, HGT, SPFH) triple, and merges in the derived
fields from SoundingParams.derive/1. Returns the same attrs shape as
Era5BatchClient.build_profile_attrs/5 so the existing
bulk_insert_profiles path can ingest NARR rows unchanged.

fetch_profile_at picks records from a fetched inventory, byte-range
fetches each one into a per-record temp file, runs cdo -merge to build
a composite, calls extract_profile_from_file, and cleans up via
try/after.

Drive-by fix: ThetaE.dewpoint_from_spfh/2 returns Kelvin (its existing
test asserts that explicitly). Era5BatchClient was passing that
Kelvin value straight into "dwpc" (Celsius), which would then crash
SoundingParams.compute_refractivity_profile when it called Buck's
saturation-vapor-pressure equation with t=294 instead of t=21. The
bug never surfaced because era5_profiles is empty in production —
no ERA5 backfill has ever succeeded. Fixed in both era5_batch_client
and the new narr_client by subtracting 273.15 in the wrapper. Both
wrappers now have a comment pointing at the K→C conversion.

Test fixture test/fixtures/narr/narr_dfw_2010-06-15_12z.grb is the
spike-captured composite (1.1 MB — Lambert conformal projection
isn't sellonlatbox-subsettable so we can't shrink it further).
2026-04-15 18:54:02 -05:00
.forgejo/workflows Install Docker CLI in CI runner container 2026-04-11 09:04:22 -05:00
.github Add contact edit approval system with admin review queue 2026-04-11 16:15:49 -05:00
assets WeatherMap: actually move the legend to top-right 2026-04-15 14:12:29 -05:00
bin Fix livebook path resolution in bin/notebook 2026-04-07 11:15:49 -05:00
config NarrClient.parse_inventory/2 + fetch_inventory/1 2026-04-15 18:54:02 -05:00
docs NARR backfill plan + spike-captured inventory fixture 2026-04-15 17:10:46 -05:00
k8s chore: update prop image to git.mcintire.me/graham/prop:main-1776291073-13180d5 [skip ci] 2026-04-15 22:12:52 +00:00
lib NarrClient.extract_profile_from_file/3 + fetch_profile_at/2 2026-04-15 18:54:02 -05:00
lib_ml Retrain propagation ML on month-balanced HRRR → algorithm score 2026-04-14 08:16:08 -05:00
notebooks Auto-deploy analysis notebook as Livebook app 2026-04-07 11:15:49 -05:00
priv SpaceWeather: SWPC JSON ingestion (Kp, F10.7, GOES X-ray) 2026-04-15 14:55:24 -05:00
rel Add Erlang clustering via libcluster and expose LiveDashboard 2026-04-06 09:46:48 -05:00
scripts Extend recalibrate_algo.py with NEXRAD, native-duct, commercial sections 2026-04-13 12:14:05 -05:00
test NarrClient.extract_profile_from_file/3 + fetch_profile_at/2 2026-04-15 18:54:02 -05:00
vendor Vendor oban_pro 1.6.13 2026-04-09 14:14:49 -05:00
.credo.exs credo 2026-04-12 10:26:53 -05:00
.dockerignore Optimize Dockerfile layer caching 2026-04-01 10:32:56 -05:00
.formatter.exs initial 2026-03-28 11:28:47 -05:00
.gitignore Dual-write propagation scores to binary files on /data 2026-04-14 14:36:55 -05:00
.tool-versions update deps 2026-04-11 12:03:43 -05:00
AGENTS.md initial 2026-03-28 11:28:47 -05:00
algo.md Draft upper-air factors section in algo.md pending backfill 2026-04-14 17:30:39 -05:00
app.json Migrate healthchecks from CHECKS to app.json 2026-04-04 11:24:56 -05:00
CLAUDE.md Move NFS share from skippy to node3 at 10.0.15.103:/data 2026-04-14 14:25:42 -05:00
Dockerfile Add cdo to runtime image for NARR GRIB1 decoding 2026-04-15 18:54:02 -05:00
elevation.md add elevation findings 2026-03-29 16:23:03 -05:00
mix.exs Unblock CI: pull igniter into :prod for live_table compile 2026-04-12 17:58:13 -05:00
mix.lock Add live_table dep and convert /users to use it 2026-04-12 17:07:07 -05:00
prediction.md HRRR forecast hours (f00-f18) with timeline map UI 2026-03-31 16:44:47 -05:00
README.md initial 2026-03-28 11:28:47 -05:00
tail_logs.sh Add type filter to backfill enqueue 2026-04-06 11:42:26 -05:00
updates.md Update seasonal scores from sounding data, document commercial link patterns 2026-04-07 11:45:44 -05:00

README.md

Microwaveprop

To start your Phoenix server:

  • Run mix setup to install and setup dependencies
  • Start Phoenix endpoint with mix phx.server or inside IEx with iex -S mix phx.server

Now you can visit localhost:4000 from your browser.

Ready to run in production? Please check our deployment guides.

Learn more