(.*?)<\/PRE>/s, html) do
+ [_, body] -> {:ok, body}
+ _ -> :error
+ end
+ end
+
+ # UWYO rows are fixed-width, 7 chars per column. We care about the first 8
+ # columns: PRES, HGHT, TEMP, DWPT, RELH, MIXR, DRCT, SKNT. Any line without
+ # both a numeric pressure AND a numeric temperature is a header/separator
+ # line or an incomplete observation and is skipped.
+ defp parse_profile_row(line) when is_binary(line) do
+ if String.length(line) < 28 do
+ []
+ else
+ pres = parse_column(line, 0)
+ hght = parse_column(line, 7)
+ tmpc = parse_column(line, 14)
+ dwpc = parse_column(line, 21)
+ drct = parse_column(line, 42)
+ sknt = parse_column(line, 49)
+
+ if is_number(pres) and is_number(tmpc) do
+ [%{"pres" => pres, "hght" => hght, "tmpc" => tmpc, "dwpc" => dwpc, "drct" => drct, "sknt" => sknt}]
+ else
+ []
+ end
+ end
+ end
+
+ defp parse_column(line, offset) do
+ field = line |> String.slice(offset, 7) |> String.trim()
+
+ if field == "" do
+ nil
+ else
+ case Float.parse(field) do
+ {val, ""} -> val
+ _ -> nil
+ end
+ end
+ end
+
+ defp month_num("Jan"), do: {:ok, 1}
+ defp month_num("Feb"), do: {:ok, 2}
+ defp month_num("Mar"), do: {:ok, 3}
+ defp month_num("Apr"), do: {:ok, 4}
+ defp month_num("May"), do: {:ok, 5}
+ defp month_num("Jun"), do: {:ok, 6}
+ defp month_num("Jul"), do: {:ok, 7}
+ defp month_num("Aug"), do: {:ok, 8}
+ defp month_num("Sep"), do: {:ok, 9}
+ defp month_num("Oct"), do: {:ok, 10}
+ defp month_num("Nov"), do: {:ok, 11}
+ defp month_num("Dec"), do: {:ok, 12}
+ defp month_num(_), do: :error
+end
diff --git a/lib/microwaveprop/workers/canadian_sounding_fetch_worker.ex b/lib/microwaveprop/workers/canadian_sounding_fetch_worker.ex
new file mode 100644
index 00000000..a4740c3d
--- /dev/null
+++ b/lib/microwaveprop/workers/canadian_sounding_fetch_worker.ex
@@ -0,0 +1,129 @@
+defmodule Microwaveprop.Workers.CanadianSoundingFetchWorker do
+ @moduledoc """
+ Twice-daily batch fetcher for Canadian radiosonde soundings via the
+ University of Wyoming archive. IEM's RAOB endpoint has not been keeping
+ Canadian stations current (most stalled Sep 2024), so this worker fills
+ the gap — crucial because soundings drive the refractivity / ducting
+ calibration in `SoundingParams.derive/1`.
+
+ Finds every `weather_stations` row of type `sounding` whose `station_code`
+ starts with `C` (Canadian ICAO prefix), drops the leading `C` to get the
+ UWYO 3-letter code, fetches the latest available 00Z or 12Z sounding,
+ and upserts it into `soundings`.
+ """
+
+ use Oban.Worker,
+ queue: :weather,
+ max_attempts: 3,
+ unique: [period: 3600, states: [:available, :scheduled, :executing, :retryable]]
+
+ import Ecto.Query
+
+ alias Microwaveprop.Repo
+ alias Microwaveprop.Weather
+ alias Microwaveprop.Weather.SoundingParams
+ alias Microwaveprop.Weather.Station
+ alias Microwaveprop.Weather.UwyoSoundingClient
+
+ require Logger
+
+ # UWYO publishes ~90 minutes after the synoptic hour
+ @publish_delay_seconds 5_400
+
+ @impl Oban.Worker
+ def perform(%Oban.Job{args: args}) do
+ sounding_time =
+ case args do
+ %{"sounding_time" => iso} when is_binary(iso) ->
+ {:ok, dt, _} = DateTime.from_iso8601(iso)
+ DateTime.truncate(dt, :second)
+
+ _ ->
+ most_recent_sounding_time(DateTime.utc_now())
+ end
+
+ stations = canadian_sounding_stations()
+
+ Logger.info("CanadianSoundings: fetching #{length(stations)} stations for #{DateTime.to_iso8601(sounding_time)}")
+
+ Enum.each(stations, &fetch_station(&1, sounding_time))
+
+ :ok
+ end
+
+ @doc """
+ Return the most recently-publishable 00Z or 12Z sounding time, given
+ the current UTC instant. UWYO needs ~90 minutes after launch before the
+ decoded profile lands on the site, so we step back from synoptic hour
+ until we find one that's at least 90 minutes old.
+ """
+ @spec most_recent_sounding_time(DateTime.t()) :: DateTime.t()
+ def most_recent_sounding_time(%DateTime{} = now) do
+ cutoff = DateTime.add(now, -@publish_delay_seconds, :second)
+
+ cond do
+ cutoff.hour >= 12 ->
+ %{cutoff | hour: 12, minute: 0, second: 0, microsecond: {0, 0}}
+
+ cutoff.hour >= 0 and DateTime.compare(cutoff, %{cutoff | hour: 0, minute: 0, second: 0, microsecond: {0, 0}}) != :lt ->
+ %{cutoff | hour: 0, minute: 0, second: 0, microsecond: {0, 0}}
+ end
+ end
+
+ # ---------- Internal ----------
+
+ defp canadian_sounding_stations do
+ Repo.all(from(s in Station, where: s.station_type == "sounding" and ilike(s.station_code, "c%")))
+ end
+
+ defp fetch_station(%Station{station_code: code} = station, sounding_time) do
+ uwyo_code = String.slice(code, 1..-1//1)
+
+ if Weather.has_sounding?(station.id, sounding_time) do
+ Logger.debug("CanadianSoundings: #{code} already has sounding for #{sounding_time}")
+ :ok
+ else
+ do_fetch(station, code, uwyo_code, sounding_time)
+ end
+ end
+
+ defp do_fetch(station, code, uwyo_code, sounding_time) do
+ case UwyoSoundingClient.fetch_sounding(uwyo_code, sounding_time) do
+ {:ok, [%{profile: profile} | _]} when profile != [] ->
+ attrs = build_attrs(sounding_time, profile)
+ Weather.upsert_sounding(station, attrs)
+
+ Logger.info("CanadianSoundings: #{code} ingested sounding with #{length(profile)} levels")
+
+ {:ok, _} ->
+ Logger.info("CanadianSoundings: #{code} no data for #{sounding_time}")
+
+ {:error, reason} ->
+ Logger.warning("CanadianSoundings: #{code} failed: #{inspect(reason)}")
+ end
+ end
+
+ defp build_attrs(sounding_time, profile) do
+ base = %{observed_at: sounding_time, profile: profile, level_count: length(profile)}
+
+ case SoundingParams.derive(profile) do
+ nil ->
+ base
+
+ params ->
+ Map.merge(base, %{
+ surface_pressure_mb: params.surface_pressure_mb,
+ surface_temp_c: params.surface_temp_c,
+ surface_dewpoint_c: params.surface_dewpoint_c,
+ surface_refractivity: params.surface_refractivity,
+ min_refractivity_gradient: params.min_refractivity_gradient,
+ boundary_layer_depth_m: params.boundary_layer_depth_m,
+ precipitable_water_mm: params.precipitable_water_mm,
+ k_index: params.k_index,
+ lifted_index: params.lifted_index,
+ ducting_detected: params.ducting_detected,
+ duct_characteristics: params.duct_characteristics
+ })
+ end
+ end
+end
diff --git a/test/microwaveprop/weather/uwyo_sounding_client_test.exs b/test/microwaveprop/weather/uwyo_sounding_client_test.exs
new file mode 100644
index 00000000..a8e6626d
--- /dev/null
+++ b/test/microwaveprop/weather/uwyo_sounding_client_test.exs
@@ -0,0 +1,122 @@
+defmodule Microwaveprop.Weather.UwyoSoundingClientTest do
+ use ExUnit.Case, async: true
+
+ alias Microwaveprop.Weather.UwyoSoundingClient
+
+ @fixture File.read!("test/support/fixtures/uwyo_sounding_yyr.html")
+
+ describe "sounding_url/2" do
+ test "builds the correct URL for a 3-letter station code + datetime" do
+ url = UwyoSoundingClient.sounding_url("YYR", ~U[2026-04-13 00:00:00Z])
+
+ assert url ==
+ "https://weather.uwyo.edu/cgi-bin/sounding" <>
+ "?region=naconf&TYPE=TEXT%3ALIST" <>
+ "&YEAR=2026&MONTH=04&FROM=1300&TO=1300&STNM=YYR"
+ end
+
+ test "pads month and day-hour to two digits" do
+ url = UwyoSoundingClient.sounding_url("WSE", ~U[2026-01-05 12:00:00Z])
+
+ assert url =~ "MONTH=01"
+ assert url =~ "FROM=0512"
+ assert url =~ "TO=0512"
+ assert url =~ "STNM=WSE"
+ end
+ end
+
+ describe "parse_sounding_html/1" do
+ test "returns one sounding entry for a valid response" do
+ assert [sounding] = UwyoSoundingClient.parse_sounding_html(@fixture)
+ assert sounding.observed_at == ~U[2026-04-13 00:00:00Z]
+ assert is_list(sounding.profile)
+ assert length(sounding.profile) > 20
+ end
+
+ test "parses the surface level with all fields populated" do
+ [sounding] = UwyoSoundingClient.parse_sounding_html(@fixture)
+ surface = hd(sounding.profile)
+
+ assert surface["pres"] == 1016.0
+ assert surface["hght"] == 36.0
+ assert surface["tmpc"] == -3.5
+ assert surface["dwpc"] == -9.5
+ assert surface["drct"] == 145.0
+ assert surface["sknt"] == 1.0
+ end
+
+ test "each level has the same key set (pres, hght, tmpc, dwpc, drct, sknt)" do
+ [sounding] = UwyoSoundingClient.parse_sounding_html(@fixture)
+
+ Enum.each(sounding.profile, fn level ->
+ assert Map.has_key?(level, "pres")
+ assert Map.has_key?(level, "hght")
+ assert Map.has_key?(level, "tmpc")
+ assert Map.has_key?(level, "dwpc")
+ assert Map.has_key?(level, "drct")
+ assert Map.has_key?(level, "sknt")
+ end)
+ end
+
+ test "levels with missing temp/dewpoint are omitted" do
+ # Lines like ' 1000.0 92' (only PRES + HGHT, rest blank) must not
+ # appear in the parsed profile because SoundingParams.derive/1 needs temp.
+ html = """
+ 71119 WSE Edmonton Stony Plain Observations at 00Z 13 Apr 2026
+
+ -----------------------------------------------------------------------------
+ PRES HGHT TEMP DWPT RELH MIXR DRCT SKNT THTA THTE THTV
+ hPa m C C % g/kg deg knot K K K
+ -----------------------------------------------------------------------------
+ 1000.0 92
+ 920.0 766 2.2 -3.8 65 3.15 85 6 282.0 291.1 282.5
+
+ """
+
+ [sounding] = UwyoSoundingClient.parse_sounding_html(html)
+ assert length(sounding.profile) == 1
+ assert hd(sounding.profile)["pres"] == 920.0
+ end
+
+ test "returns an empty list when the response contains no PRE block" do
+ html = "Sorry, the server is too busy to process your request.\n"
+ assert UwyoSoundingClient.parse_sounding_html(html) == []
+ end
+
+ test "returns an empty list when the header is missing" do
+ html = " 1000.0 30 25.0 20.0 50 0.0 180 10 0 0 0
"
+ assert UwyoSoundingClient.parse_sounding_html(html) == []
+ end
+ end
+
+ describe "fetch_sounding/2" do
+ test "returns parsed sounding on a 200 response" do
+ Req.Test.stub(UwyoSoundingClient, fn conn ->
+ Req.Test.text(conn, @fixture)
+ end)
+
+ assert {:ok, [sounding]} =
+ UwyoSoundingClient.fetch_sounding("YYR", ~U[2026-04-13 00:00:00Z])
+
+ assert sounding.observed_at == ~U[2026-04-13 00:00:00Z]
+ refute sounding.profile == []
+ end
+
+ test "returns an empty list when the server is busy" do
+ Req.Test.stub(UwyoSoundingClient, fn conn ->
+ Req.Test.text(conn, "Sorry, the server is too busy to process your request.\n")
+ end)
+
+ assert {:ok, []} = UwyoSoundingClient.fetch_sounding("YYR", ~U[2026-04-13 00:00:00Z])
+ end
+
+ test "returns an error on a non-200 response" do
+ Req.Test.stub(UwyoSoundingClient, fn conn ->
+ Plug.Conn.send_resp(conn, 503, "Service Unavailable")
+ end)
+
+ assert {:error, "UWYO sounding HTTP 503"} =
+ UwyoSoundingClient.fetch_sounding("YYR", ~U[2026-04-13 00:00:00Z])
+ end
+ end
+end
diff --git a/test/microwaveprop/workers/canadian_sounding_fetch_worker_test.exs b/test/microwaveprop/workers/canadian_sounding_fetch_worker_test.exs
new file mode 100644
index 00000000..2a3630a7
--- /dev/null
+++ b/test/microwaveprop/workers/canadian_sounding_fetch_worker_test.exs
@@ -0,0 +1,130 @@
+defmodule Microwaveprop.Workers.CanadianSoundingFetchWorkerTest do
+ use Microwaveprop.DataCase, async: false
+
+ alias Microwaveprop.Repo
+ alias Microwaveprop.Weather
+ alias Microwaveprop.Weather.Sounding
+ alias Microwaveprop.Weather.Station
+ alias Microwaveprop.Weather.UwyoSoundingClient
+ alias Microwaveprop.Workers.CanadianSoundingFetchWorker
+
+ @fixture File.read!("test/support/fixtures/uwyo_sounding_yyr.html")
+
+ describe "most_recent_sounding_time/1" do
+ test "returns 00Z of the same day when called shortly after 02:00Z" do
+ # UWYO publishes 00Z soundings ~1h after launch; use 90 min buffer
+ assert CanadianSoundingFetchWorker.most_recent_sounding_time(~U[2026-04-13 02:00:00Z]) ==
+ ~U[2026-04-13 00:00:00Z]
+ end
+
+ test "returns 12Z of the same day after 14:00Z" do
+ assert CanadianSoundingFetchWorker.most_recent_sounding_time(~U[2026-04-13 14:00:00Z]) ==
+ ~U[2026-04-13 12:00:00Z]
+ end
+
+ test "returns prior day 12Z when called between midnight and 01:30Z" do
+ # Too early for today's 00Z run to be published
+ assert CanadianSoundingFetchWorker.most_recent_sounding_time(~U[2026-04-13 01:00:00Z]) ==
+ ~U[2026-04-12 12:00:00Z]
+ end
+
+ test "returns 00Z when called between 13:00Z and 13:30Z (before 12Z is ready)" do
+ assert CanadianSoundingFetchWorker.most_recent_sounding_time(~U[2026-04-13 13:00:00Z]) ==
+ ~U[2026-04-13 00:00:00Z]
+ end
+ end
+
+ describe "perform/1" do
+ setup do
+ cwse = insert_sounding_station("CWSE", "Edmonton Stony Plain")
+ cyyr = insert_sounding_station("CYYR", "Goose Bay")
+ us_sta = insert_sounding_station("KFWD", "Fort Worth")
+ %{cwse: cwse, cyyr: cyyr, us_sta: us_sta}
+ end
+
+ test "fetches only Canadian sounding stations (station_code starts with 'C')", %{cwse: cwse, us_sta: us_sta} do
+ stub_uwyo_with_fixture()
+
+ :ok =
+ CanadianSoundingFetchWorker.perform(%Oban.Job{
+ args: %{"sounding_time" => "2026-04-13T00:00:00Z"}
+ })
+
+ assert soundings_for_station(cwse.id) == 1
+ assert soundings_for_station(us_sta.id) == 0
+ end
+
+ test "stores a sounding with derived atmospheric parameters", %{cyyr: cyyr} do
+ stub_uwyo_with_fixture()
+
+ :ok =
+ CanadianSoundingFetchWorker.perform(%Oban.Job{
+ args: %{"sounding_time" => "2026-04-13T00:00:00Z"}
+ })
+
+ sounding = Repo.get_by!(Sounding, station_id: cyyr.id, observed_at: ~U[2026-04-13 00:00:00Z])
+
+ assert sounding.level_count > 0
+ assert is_float(sounding.surface_refractivity)
+ assert is_float(sounding.min_refractivity_gradient)
+ end
+
+ test "skips stations that already have a sounding for this observed_at", %{cwse: cwse, cyyr: cyyr} do
+ # Pre-existing stub sounding on BOTH Canadian stations so UWYO should
+ # never be called.
+ for sta <- [cwse, cyyr] do
+ {:ok, _} =
+ Weather.upsert_sounding(sta, %{
+ observed_at: ~U[2026-04-13 00:00:00Z],
+ profile: [],
+ level_count: 0
+ })
+ end
+
+ Req.Test.stub(UwyoSoundingClient, fn _conn ->
+ raise "UwyoSoundingClient was called for a station that already has a sounding"
+ end)
+
+ :ok =
+ CanadianSoundingFetchWorker.perform(%Oban.Job{
+ args: %{"sounding_time" => "2026-04-13T00:00:00Z"}
+ })
+
+ assert soundings_for_station(cwse.id) == 1
+ assert soundings_for_station(cyyr.id) == 1
+ end
+
+ test "uses most_recent_sounding_time when no sounding_time arg is given", %{cwse: cwse} do
+ stub_uwyo_with_fixture()
+
+ :ok = CanadianSoundingFetchWorker.perform(%Oban.Job{args: %{}})
+
+ # A sounding was created — use the function's own logic to figure out the observed_at
+ expected = CanadianSoundingFetchWorker.most_recent_sounding_time(DateTime.utc_now())
+
+ assert Repo.get_by(Sounding, station_id: cwse.id, observed_at: expected)
+ end
+ end
+
+ defp insert_sounding_station(code, name) do
+ %Station{}
+ |> Station.changeset(%{
+ station_code: code,
+ station_type: "sounding",
+ name: name,
+ lat: 50.0,
+ lon: -100.0
+ })
+ |> Repo.insert!()
+ end
+
+ defp soundings_for_station(station_id) do
+ Repo.aggregate(from(s in Sounding, where: s.station_id == ^station_id), :count, :id)
+ end
+
+ defp stub_uwyo_with_fixture do
+ Req.Test.stub(UwyoSoundingClient, fn conn ->
+ Req.Test.text(conn, @fixture)
+ end)
+ end
+end
diff --git a/test/support/fixtures/uwyo_sounding_yyr.html b/test/support/fixtures/uwyo_sounding_yyr.html
new file mode 100644
index 00000000..215c5927
--- /dev/null
+++ b/test/support/fixtures/uwyo_sounding_yyr.html
@@ -0,0 +1,141 @@
+
+University of Wyoming - Radiosonde Data
+
+71816 YYR Goose Bay Observations at 00Z 13 Apr 2026
+
+-----------------------------------------------------------------------------
+ PRES HGHT TEMP DWPT RELH MIXR DRCT SKNT THTA THTE THTV
+ hPa m C C % g/kg deg knot K K K
+-----------------------------------------------------------------------------
+ 1016.0 36 -3.5 -9.5 63 1.84 145 1 268.4 273.6 268.7
+ 1014.0 52 -0.1 -10.1 47 1.76 128 1 272.0 277.0 272.3
+ 1012.0 68 0.0 -11.0 43 1.64 111 1 272.2 276.9 272.5
+ 1007.0 109 0.2 -12.8 37 1.43 69 1 272.8 276.9 273.0
+ 1002.0 150 -0.3 -13.3 37 1.38 27 1 272.7 276.7 272.9
+ 1000.0 166 -0.3 -13.3 37 1.38 10 1 272.9 276.9 273.1
+ 982.7 305 -1.3 -15.8 32 1.14 20 5 273.2 276.6 273.4
+ 955.0 532 -2.9 -19.9 26 0.83 358 9 273.8 276.3 274.0
+ 945.6 610 -3.6 -20.3 26 0.81 350 11 273.9 276.4 274.1
+ 925.0 784 -5.1 -21.1 27 0.77 345 13 274.1 276.4 274.2
+ 909.6 914 -6.2 -21.0 30 0.79 335 14 274.3 276.7 274.4
+ 874.6 1219 -8.8 -20.8 37 0.84 310 17 274.6 277.2 274.8
+ 850.0 1441 -10.7 -20.7 44 0.87 300 18 274.9 277.6 275.1
+ 807.7 1829 -14.2 -20.5 59 0.93 310 20 275.3 278.1 275.4
+ 778.0 2114 -16.7 -20.4 73 0.98 319 22 275.5 278.4 275.7
+ 775.9 2134 -16.8 -20.5 73 0.97 320 22 275.6 278.5 275.8
+ 745.0 2438 -18.8 -21.8 77 0.90 330 23 276.7 279.4 276.9
+ 740.0 2488 -19.1 -22.0 78 0.89 328 23 276.9 279.6 277.0
+ 714.9 2743 -21.0 -23.7 79 0.80 320 23 277.6 280.0 277.7
+ 700.0 2899 -22.1 -24.7 79 0.74 310 22 278.0 280.3 278.1
+ 672.0 3199 -23.7 -26.4 78 0.66 303 19 279.4 281.5 279.6
+ 669.0 3231 -23.3 -30.3 53 0.46 303 18 280.3 281.7 280.3
+ 661.0 3320 -23.5 -33.5 39 0.34 301 17 281.0 282.1 281.1
+ 658.0 3353 -23.7 -35.2 34 0.29 300 17 281.1 282.1 281.2
+ 653.0 3409 -24.1 -38.1 26 0.22 301 18 281.3 282.0 281.3
+ 645.0 3499 -24.7 -33.7 43 0.35 302 19 281.6 282.8 281.7
+ 631.0 3658 -25.6 -40.6 23 0.18 305 22 282.3 282.9 282.4
+ 624.0 3739 -26.1 -44.1 17 0.12 306 23 282.7 283.1 282.7
+ 611.0 3891 -27.1 -36.1 42 0.29 307 24 283.2 284.2 283.3
+ 608.0 3927 -27.1 -42.1 23 0.16 307 24 283.6 284.2 283.7
+ 604.0 3974 -27.3 -40.3 28 0.19 308 25 283.9 284.6 284.0
+ 600.0 4022 -27.5 -45.5 16 0.11 308 25 284.2 284.6 284.3
+ 592.0 4119 -27.9 -44.9 18 0.12 309 26 284.9 285.3 284.9
+ 579.8 4267 -29.1 -44.4 21 0.13 310 27 285.2 285.7 285.2
+ 555.6 4572 -31.4 -43.4 30 0.15 310 26 285.9 286.4 285.9
+ 549.0 4657 -32.1 -43.1 33 0.16 309 25 286.1 286.6 286.1
+ 536.0 4826 -33.7 -46.7 26 0.11 306 23 286.1 286.5 286.2
+ 532.1 4877 -34.1 -45.1 32 0.13 305 22 286.3 286.7 286.3
+ 520.0 5038 -35.3 -40.3 60 0.22 299 23 286.7 287.5 286.8
+ 515.0 5105 -35.7 -46.7 31 0.11 297 24 287.0 287.4 287.0
+ 500.0 5310 -37.7 -42.7 59 0.18 290 25 287.0 287.6 287.1
+ 499.0 5324 -37.7 -43.7 53 0.16 290 25 287.2 287.7 287.2
+ 497.0 5351 -37.7 -51.7 22 0.07 289 25 287.5 287.8 287.5
+ 487.3 5486 -38.3 -55.7 14 0.04 285 25 288.4 288.5 288.4
+ 469.0 5748 -39.5 -63.5 6 0.02 287 25 290.1 290.1 290.1
+ 445.5 6096 -41.3 -61.6 9 0.02 290 24 292.1 292.2 292.1
+ 425.0 6415 -42.9 -59.9 14 0.03 294 29 294.0 294.1 294.0
+ 400.0 6820 -45.3 -60.3 17 0.03 300 36 296.0 296.1 296.0
+ 380.0 7161 -46.9 -60.9 19 0.03 306 41 298.3 298.4 298.3
+ 360.0 7518 -48.5 -65.5 12 0.02 313 46 300.8 300.9 300.8
+ 354.4 7620 -48.7 -66.0 12 0.01 315 48 301.8 301.9 301.8
+ 338.3 7925 -49.5 -67.7 10 0.01 320 53 304.9 304.9 304.9
+ 309.0 8518 -50.9 -70.9 8 0.01 312 55 310.9 310.9 310.9
+ 300.0 8710 -51.3 -70.3 9 0.01 310 56 312.9 313.0 312.9
+ 280.6 9144 -52.5 -71.9 8 0.01 305 59 317.3 317.4 317.3
+ 263.0 9563 -53.6 -73.5 7 0.01 310 65 321.6 321.6 321.6
+ 261.0 9613 -53.7 -73.7 7 0.01 315 65 322.1 322.1 322.1
+ 255.3 9754 -53.8 -75.3 5 0.01 310 65 324.0 324.0 324.0
+ 250.0 9890 -53.9 -76.9 4 0.00 305 50 325.8 325.8 325.8
+ 243.6 10058 -52.8 -77.9 3 0.00 310 50 329.9 329.9 329.9
+ 235.0 10290 -51.3 -79.3 2 0.00 310 51 335.6 335.6 335.6
+ 221.6 10668 -52.6 -80.6 2 0.00 310 53 339.2 339.2 339.2
+ 211.4 10973 -53.7 -81.7 2 0.00 310 46 342.1 342.1 342.1
+ 206.0 11140 -54.3 -82.3 2 0.00 308 48 343.7 343.7 343.7
+ 200.0 11330 -54.1 -82.1 2 0.00 305 50 346.9 346.9 346.9
+ 166.7 12497 -55.1 -83.1 2 0.00 300 53 363.8 363.8 363.8
+ 155.0 12960 -55.5 -83.5 2 0.00 297 46 370.8 370.8 370.8
+ 150.0 13170 -54.5 -83.5 2 0.00 295 43 376.0 376.0 376.0
+ 131.3 14021 -54.0 -83.8 1 0.00 290 46 391.4 391.4 391.4
+ 128.0 14185 -53.9 -83.9 1 0.00 285 42 394.5 394.5 394.5
+ 125.2 14326 -54.4 -84.1 1 0.00 280 39 396.1 396.1 396.1
+ 119.0 14650 -55.5 -84.5 2 0.00 282 40 399.8 399.9 399.8
+ 108.5 15240 -54.8 -84.3 1 0.00 285 42 411.9 412.0 411.9
+ 100.0 15760 -54.1 -84.1 1 0.00 285 36 422.9 422.9 422.9
+
Station information and sounding indices
+ Station identifier: YYR
+ Station number: 71816
+ Observation time: 260413/0000
+ Station latitude: 53.30
+ Station longitude: -60.36
+ Station elevation: 36.0
+ Showalter index: 8.12
+ Lifted index: 8.94
+ LIFT computed using virtual temperature: 8.95
+ SWEAT index: 61.01
+ K index: 3.70
+ Cross totals index: 17.00
+ Vertical totals index: 27.00
+ Totals totals index: 44.00
+ Convective Available Potential Energy: 0.00
+ CAPE using virtual temperature: 0.00
+ Convective Inhibition: 0.00
+ CINS using virtual temperature: 0.00
+ Bulk Richardson Number: 0.00
+ Bulk Richardson Number using CAPV: 0.00
+ Temp [K] of the Lifted Condensation Level: 255.05
+Pres [hPa] of the Lifted Condensation Level: 787.67
+ Equivalent potential temp [K] of the LCL: 276.50
+ Mean mixed layer potential temperature: 273.07
+ Mean mixed layer mixing ratio: 1.20
+ 1000 hPa to 500 hPa thickness: 5144.00
+Precipitable water [mm] for entire sounding: 3.59
+
+Description of the
+data columns
+or sounding indices.
+
+
+