{
  "observations": {
    "scope": "Unaltered ECCC January2023 local-standard-month originals; missing slots remain absent. Acquisition verification is not scientific validation.",
    "created_utc": "2026-09-05T22:15:05.020146+00:00",
    "allCompleteAndVerified": true,
    "files": [
      {
        "filename": "airport-2023-01-native.json",
        "url": "https://api.weather.gc.ca/collections/climate-hourly/items?f=json&limit=1000&CLIMATE_IDENTIFIER=10476F0&LOCAL_YEAR=2023&LOCAL_MONTH=1",
        "observedBytes": 762060,
        "sha256": "13b392fb80ae54b2a1abc8466e032857bd65122fd1596618444d38ef3d233598",
        "headersFilename": "airport-2023-01-native.json.headers",
        "headersSha256": "cccfc9c75db1ccac9fd8349e8a6dacc04973dc9a36e232458b94190bae76ce81",
        "httpStatus": 200,
        "numberMatched": 741,
        "numberReturned": 741,
        "paginationComplete": true,
        "expectedCalendarSlots": 744,
        "rowsPresent": 741,
        "rowsAbsent": 3
      },
      {
        "filename": "pam-rocks-2023-01-native.json",
        "url": "https://api.weather.gc.ca/collections/climate-hourly/items?f=json&limit=1000&CLIMATE_IDENTIFIER=10459NN&LOCAL_YEAR=2023&LOCAL_MONTH=1",
        "observedBytes": 644508,
        "sha256": "746fd2e4d155676a55b0f64d1d6239a12cefc754d9513d3c22e03907954374a0",
        "headersFilename": "pam-rocks-2023-01-native.json.headers",
        "headersSha256": "9a007dc67bf4e7185a8a1a0d5cfb935ba0a0aacb8c76bab2a719f9d48116ef68",
        "httpStatus": 200,
        "numberMatched": 623,
        "numberReturned": 623,
        "paginationComplete": true,
        "expectedCalendarSlots": 744,
        "rowsPresent": 623,
        "rowsAbsent": 121
      }
    ],
    "detailed_checks": "../native/acquisition-checks.json"
  },
  "model": {
    "scope": "Exactly two unaltered B.C. January2023 WRF native files. Verified sizes, hashes, first64k equality and static grid/schema. No model weather decoding or full-record chronology validation performed in this acquisition task.",
    "created_utc": "2026-09-05T22:15:05.020146+00:00",
    "allCompleteAndVerified": true,
    "files": [
      {
        "filename": "x031y081x040y090.202301.10x10.d06.m3d",
        "url": "https://nrs.objectstore.gov.bc.ca/wrfdel/calpuff/3ddat/202301/d06/0308/x031y081x040y090.202301.10x10.d06.m3d",
        "expectedBytes": 171396342,
        "observedBytes": 171396342,
        "sha256": "d4b1a5af05b14917892bd19eb9d7c9d52389f438322bbaf8f267803046644a8c",
        "headersFilename": "x031y081x040y090.202301.10x10.d06.m3d.headers",
        "headersSha256": "6591650168bab8f07629eb17909d2d8c9791e6c7b99f8f987a8cba6c0bbf4438",
        "prefixFilename": "x031y081x040y090.first64k",
        "prefixSha256": "7ad197d0ec617a2bd2f8555f9b0abbc4e007a5a0a0ea07a7ec4ee4d6b526713f",
        "prefixMatchesFull": true,
        "httpStatus": 200,
        "staticSchemaVerified": true,
        "weatherDecoded": false,
        "status": "downloaded_size_hash_prefix_verified"
      },
      {
        "filename": "x021y051x030y060.202301.10x10.d06.m3d",
        "url": "https://nrs.objectstore.gov.bc.ca/wrfdel/calpuff/3ddat/202301/d06/0205/x021y051x030y060.202301.10x10.d06.m3d",
        "expectedBytes": 170425134,
        "observedBytes": 170425134,
        "sha256": "54e3afa5eb03c65aa0165571680485aae68456028e13ebd662e0edd3d0540e21",
        "headersFilename": "x021y051x030y060.202301.10x10.d06.m3d.headers",
        "headersSha256": "be40ce3e7130be106379cbfdf94999b13d2be757d7b1afb747fb88cd57774eaf",
        "prefixFilename": "x021y051x030y060.first64k",
        "prefixSha256": "8ffeda0f0a00a57119df4219cd84af0a400ede540eaf94ffa8b73ac77f2bd7fb",
        "prefixMatchesFull": true,
        "httpStatus": 200,
        "staticSchemaVerified": true,
        "weatherDecoded": false,
        "status": "downloaded_size_hash_prefix_verified"
      }
    ],
    "detailed_checks": "acquisition-checks.json"
  },
  "protocol": {
    "protocol_sha256": "406e5f9c1046ebcdb091e0c52d22b8d5cbd8180b81b9045c028a91379f1793f3",
    "frozen_at_utc": "2026-09-05T22:12:39.784245+00:00",
    "model_errors_examined": false
  },
  "clarification": {
    "recorded_utc": "2026-09-05T22:16:28.845791+00:00",
    "protocol_sha256": "406e5f9c1046ebcdb091e0c52d22b8d5cbd8180b81b9045c028a91379f1793f3",
    "before_model_scoring": true,
    "review": "native/protocol-method-review.md",
    "interpretation": "A valid observed calm (speed zero) needs no bearing and classifies FALSE for the strong-northerly subset. Otherwise missing, flagged or invalid observations classify UNKNOWN. Valid noncalm observations use the frozen speed and bearing criteria. This clarifies implementation without changing the frozen protocol or thresholds.",
    "bound_manifests": {
      "inputs/acquisition.json": "873a93c4b0b8a7dca3d383dfd08c3d73beb1f57e66f658584543e513c0afdfc7",
      "native/acquisition.json": "86cbcc7b81522fc65ecb66a0321282c5270191e6bce497ce36bd8e6087c6714f"
    }
  },
  "extraction": {
    "protocol_sha256": "406e5f9c1046ebcdb091e0c52d22b8d5cbd8180b81b9045c028a91379f1793f3",
    "files": [
      {
        "station": "airport",
        "file": "x031y081x040y090.202301.10x10.d06.m3d",
        "sha256": "d4b1a5af05b14917892bd19eb9d7c9d52389f438322bbaf8f267803046644a8c",
        "bytes": 171396342,
        "source_url": "https://nrs.objectstore.gov.bc.ca/wrfdel/calpuff/3ddat/202301/d06/0308/x031y081x040y090.202301.10x10.d06.m3d",
        "complete_hours": 757,
        "first_data_offset": 6866,
        "first_utc": "2023-01-01T00:00:00Z",
        "last_utc": "2023-02-01T12:00:00Z",
        "selected_static_record": {
          "raw": "  33  84  49.7889 -123.1675   22 16 -999.0000 -999.0000 -999",
          "byte_offset": 2718
        },
        "counts": {
          "surface_records": 75700,
          "profile_records": 3028000
        },
        "selected_cell": {
          "distance_m": 778.1213867907702,
          "tile": "x031y081x040y090",
          "i": 33,
          "j": 84,
          "latitude_token": "49.7889",
          "longitude_token": "-123.1675",
          "terrain_HGT_rounded_m_MSL_token": "22",
          "landuse_LU_INDEX_token": "16",
          "source_line": 81,
          "source_url": "https://nrs.objectstore.gov.bc.ca/wrfdel/calpuff/3ddat/202301/d06/0308/x031y081x040y090.202301.10x10.d06.m3d"
        },
        "profile_values_interpreted": false
      },
      {
        "station": "pam-rocks",
        "file": "x021y051x030y060.202301.10x10.d06.m3d",
        "sha256": "54e3afa5eb03c65aa0165571680485aae68456028e13ebd662e0edd3d0540e21",
        "bytes": 170425134,
        "source_url": "https://nrs.objectstore.gov.bc.ca/wrfdel/calpuff/3ddat/202301/d06/0205/x021y051x030y060.202301.10x10.d06.m3d",
        "complete_hours": 757,
        "first_data_offset": 6866,
        "first_utc": "2023-01-01T00:00:00Z",
        "last_utc": "2023-02-01T12:00:00Z",
        "selected_static_record": {
          "raw": "  25  59  49.4874 -123.2994    0 16 -999.0000 -999.0000 -999",
          "byte_offset": 5890
        },
        "counts": {
          "surface_records": 75700,
          "profile_records": 3028000
        },
        "selected_cell": {
          "distance_m": 42.456526660389365,
          "tile": "x021y051x030y060",
          "i": 25,
          "j": 59,
          "latitude_token": "49.4874",
          "longitude_token": "-123.2994",
          "terrain_HGT_rounded_m_MSL_token": "0",
          "landuse_LU_INDEX_token": "16",
          "source_line": 133,
          "source_url": "https://nrs.objectstore.gov.bc.ca/wrfdel/calpuff/3ddat/202301/d06/0205/x021y051x030y060.202301.10x10.d06.m3d"
        },
        "profile_values_interpreted": false
      }
    ]
  },
  "acquisition_stage_note": "Acquisition weatherDecoded=false records the stage before the subsequent complete extraction, not its current processing status."
}