{
  "checked": "2026-10-20",
  "tide": "Idealized1->8.5->1ftMLLW over12h25m; historicalNAVD88 conversion;2h warmup",
  "domain": [
    416100.0,
    3717700.0,
    417100.0,
    3718900.0
  ],
  "resolutionComparison": {
    "coarseInputSHA256": "01b65ae20eab8ff738e55475ed3e89c32d32edf03710c0ca315010433d1a4579",
    "fineInputSHA256": "d87a0383378ae2dab94d2577e78c673fdecbcecdb5ce14c5d320344e46e00055",
    "coarseMeters": 4.0,
    "fineMeters": 2.0,
    "comparisonCells": 10847,
    "comparisonAreaSqM": 173552.0,
    "boundaryBufferMeters": 100,
    "bothWetArrivalCells": 5522,
    "coarseOnlyReachedCells": 2,
    "fineOnlyReachedCells": 327,
    "peakDepthRMSEWetUnionMeters": 0.0781434346221828,
    "peakAbsoluteDepthDifferenceP95Meters": 0.03625000000000001,
    "maximumAbsoluteDepthDifferenceMeters": 2.396,
    "arrivalAbsoluteDifferenceMedianMinutes": 7.5,
    "arrivalAbsoluteDifferenceP95Minutes": 35.0,
    "peakStoredVolumeCoarseM3": 57149.312,
    "peakStoredVolumeFineM3": 57782.736,
    "endStoredVolumeCoarseM3": 3322.256,
    "endStoredVolumeFineM3": 3252.3559999999998,
    "coarseBudget": {
      "maximumVolumeM3": 82000.801834,
      "maximumResidualM3": 5.54864527658e-08,
      "relativeResidual": 6.766574414494768e-13,
      "passesMassCheck": true
    },
    "fineBudget": {
      "maximumVolumeM3": 82709.4648443,
      "maximumResidualM3": 2.249435056e-07,
      "relativeResidual": 2.719682759687233e-12,
      "passesMassCheck": true
    },
    "method": "Common valid cells only, inward100m crop buffer. Finer depths area-averaged to coarse cell footprint before comparison. Arrival>=2cm in stored150s snapshots. This is resolution sensitivity, not proof of convergence or field accuracy.",
    "largestDifferenceLocation": {
      "seconds": 22200.0,
      "easting": 416966.0,
      "northing": 3718234.0,
      "coarseDepthMeters": 0.0,
      "fineMeanDepthMeters": 2.396
    }
  },
  "solverSourceSHA256": "9249072ee89e61909e0353eba63db87b1ff0aeab0dabf0a42c6c428e7de8c036",
  "notFieldValidated": true,
  "conclusion": "Do not present one-inch tide steps as one-inch accuracy. Two resolutions and a cropped test do not establish geographic convergence.",
  "timeStepComparison": {
    "coarseInputSHA256": "01b65ae20eab8ff738e55475ed3e89c32d32edf03710c0ca315010433d1a4579",
    "fineInputSHA256": "01b65ae20eab8ff738e55475ed3e89c32d32edf03710c0ca315010433d1a4579",
    "coarseMeters": 4.0,
    "fineMeters": 4.0,
    "comparisonCells": 11330,
    "comparisonAreaSqM": 181280.0,
    "boundaryBufferMeters": 100,
    "bothWetArrivalCells": 5720,
    "coarseOnlyReachedCells": 0,
    "fineOnlyReachedCells": 0,
    "peakDepthRMSEWetUnionMeters": 0.00011677484162422827,
    "peakAbsoluteDepthDifferenceP95Meters": 0.0,
    "maximumAbsoluteDepthDifferenceMeters": 0.0129999999999999,
    "arrivalAbsoluteDifferenceMedianMinutes": 0.0,
    "arrivalAbsoluteDifferenceP95Minutes": 0.0,
    "peakStoredVolumeCoarseM3": 63451.88799999999,
    "peakStoredVolumeFineM3": 63451.344,
    "endStoredVolumeCoarseM3": 3640.16,
    "endStoredVolumeFineM3": 3640.224,
    "coarseBudget": {
      "maximumVolumeM3": 82000.9011121,
      "maximumResidualM3": 4.20445758209e-08,
      "relativeResidual": 5.127330950110246e-13,
      "passesMassCheck": true
    },
    "fineBudget": {
      "maximumVolumeM3": 81999.9621657,
      "maximumResidualM3": 8.18399712443e-08,
      "relativeResidual": 9.98048890302209e-13,
      "passesMassCheck": true
    },
    "method": "Common valid cells only, inward100m crop buffer. Finer depths area-averaged to coarse cell footprint before comparison. Arrival>=2cm in stored150s snapshots. This is resolution sensitivity, not proof of convergence or field accuracy.",
    "largestDifferenceLocation": {
      "seconds": 22950.0,
      "easting": 416578.0,
      "northing": 3718478.0,
      "coarseDepthMeters": 1.179,
      "fineMeanDepthMeters": 1.192
    },
    "solverSourceSHA256": "c79532c091ce17a1caf83ed04c7a69949f8a4527fa589354c10a418769a5a357"
  },
  "terrainControlCorrectionComparison": {
    "coarseInputSHA256": "01b65ae20eab8ff738e55475ed3e89c32d32edf03710c0ca315010433d1a4579",
    "fineInputSHA256": "01b65ae20eab8ff738e55475ed3e89c32d32edf03710c0ca315010433d1a4579",
    "coarseMeters": 4.0,
    "fineMeters": 4.0,
    "comparisonCells": 11330,
    "comparisonAreaSqM": 181280.0,
    "boundaryBufferMeters": 100,
    "bothWetArrivalCells": 5720,
    "coarseOnlyReachedCells": 0,
    "fineOnlyReachedCells": 0,
    "peakDepthRMSEWetUnionMeters": 4.7673129462280884e-05,
    "peakAbsoluteDepthDifferenceP95Meters": 0.0,
    "maximumAbsoluteDepthDifferenceMeters": 0.015000000000000003,
    "arrivalAbsoluteDifferenceMedianMinutes": 0.0,
    "arrivalAbsoluteDifferenceP95Minutes": 0.0,
    "peakStoredVolumeCoarseM3": 63451.88799999999,
    "peakStoredVolumeFineM3": 63451.92,
    "endStoredVolumeCoarseM3": 3640.16,
    "endStoredVolumeFineM3": 3640.16,
    "coarseBudget": {
      "maximumVolumeM3": 82000.9011121,
      "maximumResidualM3": 4.20445758209e-08,
      "relativeResidual": 5.127330950110246e-13,
      "passesMassCheck": true
    },
    "fineBudget": {
      "maximumVolumeM3": 82000.801834,
      "maximumResidualM3": 5.54864527658e-08,
      "relativeResidual": 6.766574414494768e-13,
      "passesMassCheck": true
    },
    "method": "Common valid cells only, inward100m crop buffer. Finer depths area-averaged to coarse cell footprint before comparison. Arrival>=2cm in stored150s snapshots. This is resolution sensitivity, not proof of convergence or field accuracy.",
    "largestDifferenceLocation": {
      "seconds": 21150.0,
      "easting": 416698.0,
      "northing": 3718366.0,
      "coarseDepthMeters": 0.035,
      "fineMeanDepthMeters": 0.02
    }
  },
  "cropBoundaryCheck": {
    "commonCells": 11330,
    "peakDepthRMSEWetUnionMeters": 0.0008380282880544666,
    "peakAbsoluteDepthDifferenceP95Meters": 0.0020000000000000018,
    "maximumPeakAbsoluteDepthDifferenceMeters": 0.006999999999999999,
    "qualification": "Same original4m scheme; detects artificial closed-crop boundary effects. Large differences invalidate interpretation of this crop as a local forecast."
  }
}