diff --git a/db/xmet.sql b/db/xmet.sql
index 1cc52ed..d1366a9 100644
--- a/db/xmet.sql
+++ b/db/xmet.sql
@@ -90,4 +90,35 @@ select
     AddGeometryColumn('xmet_afos_message', 'poly', 4326, 'POLYGON'),
     CreateSpatialIndex('xmet_afos_message', 'poly');
 
+create table xmet_sounding (
+    id                   INTEGER PRIMARY KEY NOT NULL,
+    station              TEXT NOT NULL,
+    timestamp_observed   TIMESTAMP NOT NULL,
+    timestamp_released   TIMESTAMP,
+    sample_count         INTEGER,
+    data_source_pressure TEXT NOT NULL,
+    data_source_other    TEXT NOT NULL
+);
+
+select AddGeometryColumn('xmet_sounding', 'coord', 4326, 'POINT'),
+       CreateSpatialIndex('xmet_sounding', 'coord');
+
+create table xmet_sounding_sample (
+    id          INTEGER PRIMARY KEY NOT NULL,
+    sounding_id INTEGER NOT NULL,
+    elapsed     INTEGER NOT NULL,
+    pressure    FLOAT,
+    pressure_qa TEXT NOT NULL,
+    height      FLOAT,
+    height_qa   TEXT NOT NULL,
+    temp        FLOAT,
+    temp_qa     TEXT NOT NULL,
+    humidity    FLOAT,
+    dewpoint    FLOAT,
+    wind_dir    FLOAT,
+    wind_speed  FLOAT,
+
+    FOREIGN KEY (sounding_id) REFERENCES xmet_sounding (id)
+);
+
 commit;