diff --git a/test/microwaveprop_web/live/skewt_live_test.exs b/test/microwaveprop_web/live/skewt_live_test.exs
index efafbd30..d7a6e4b6 100644
--- a/test/microwaveprop_web/live/skewt_live_test.exs
+++ b/test/microwaveprop_web/live/skewt_live_test.exs
@@ -4,6 +4,8 @@ defmodule MicrowavepropWeb.SkewtLiveTest do
   import Phoenix.LiveViewTest
 
   alias Microwaveprop.Weather.HrrrProfile
+  alias Microwaveprop.Weather.Sounding
+  alias Microwaveprop.Weather.Station
 
   describe "with HRRR profile data near the queried location" do
     setup do
@@ -12,7 +14,13 @@ defmodule MicrowavepropWeb.SkewtLiveTest do
         %{"pres" => 925.0, "hght" => 770, "tmpc" => 18.0, "dwpc" => 12.0},
         %{"pres" => 850.0, "hght" => 1500, "tmpc" => 14.0, "dwpc" => 8.0},
         %{"pres" => 700.0, "hght" => 3000, "tmpc" => 0.0, "dwpc" => -10.0},
-        %{"pres" => 500.0, "hght" => 5500, "tmpc" => -20.0, "dwpc" => -30.0}
+        %{"pres" => 500.0, "hght" => 5500, "tmpc" => -20.0, "dwpc" => -30.0},
+        %{"pres" => 400.0, "hght" => 7000, "tmpc" => -30.0, "dwpc" => -40.0},
+        %{"pres" => 300.0, "hght" => 9000, "tmpc" => -45.0, "dwpc" => -55.0},
+        %{"pres" => 250.0, "hght" => 10_500, "tmpc" => -55.0, "dwpc" => -65.0},
+        %{"pres" => 200.0, "hght" => 12_000, "tmpc" => -55.0, "dwpc" => -65.0},
+        %{"pres" => 150.0, "hght" => 13_500, "tmpc" => -55.0, "dwpc" => -65.0},
+        %{"pres" => 100.0, "hght" => 16_000, "tmpc" => -55.0, "dwpc" => -65.0}
       ]
 
       # Insert near EM12kp (32.646, -97.125)
@@ -36,7 +44,7 @@ defmodule MicrowavepropWeb.SkewtLiveTest do
       })
       |> Microwaveprop.Repo.insert!()
 
-      :ok
+      %{valid_time: now}
     end
 
     test "renders the time selector when valid_times list is non-empty", %{conn: conn} do
@@ -46,6 +54,67 @@ defmodule MicrowavepropWeb.SkewtLiveTest do
       # tries an HTTP call that fails — but the page should not crash.
       assert render(view) =~ "Skew-T"
     end
+
+    test "select_time event triggers a re-load with the chosen valid_time", %{conn: conn} do
+      {:ok, view, _html} = live(conn, ~p"/skewt?q=EM12kp")
+      _ = render_async(view)
+
+      # Trigger select_time with a valid future ISO. Even if no profile is
+      # found for this time, the handler exercises the full re-load path.
+      future = DateTime.utc_now() |> DateTime.add(3600, :second) |> DateTime.to_iso8601()
+
+      _ = render_hook(view, "select_time", %{"valid_time" => future})
+      _ = render_async(view)
+
+      assert render(view) =~ "Skew-T"
+    end
+  end
+
+  describe "with a sounding readout near the queried point" do
+    setup do
+      # Insert a station + sounding so build_sounding_readout returns
+      # non-nil and renders the side panel.
+      now = DateTime.truncate(DateTime.utc_now(), :second)
+
+      {:ok, station} =
+        %Station{}
+        |> Station.changeset(%{
+          station_code: "FWD",
+          station_type: "sounding",
+          name: "Fort Worth",
+          lat: 32.835,
+          lon: -97.298
+        })
+        |> Microwaveprop.Repo.insert()
+
+      sounding_attrs = %{
+        station_id: station.id,
+        observed_at: now,
+        ducting_detected: false,
+        min_refractivity_gradient: -45.0,
+        boundary_layer_depth_m: 1500.0,
+        precipitable_water_mm: 25.0,
+        surface_refractivity: 320.0,
+        level_count: 3,
+        profile: [
+          %{"pres" => 1000.0, "hght" => 110, "tmpc" => 25.0, "dwpc" => 18.0},
+          %{"pres" => 925.0, "hght" => 770, "tmpc" => 18.0, "dwpc" => 12.0},
+          %{"pres" => 850.0, "hght" => 1500, "tmpc" => 14.0, "dwpc" => 8.0}
+        ]
+      }
+
+      %Sounding{}
+      |> Sounding.changeset(sounding_attrs)
+      |> Microwaveprop.Repo.insert!()
+
+      :ok
+    end
+
+    test "renders without crashing when sounding data is in the DB", %{conn: conn} do
+      {:ok, view, _html} = live(conn, ~p"/skewt?q=EM12kp")
+      _ = render_async(view)
+      assert render(view) =~ "Skew-T"
+    end
   end
 
   describe "select_time event" do