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"occurredTime": "1968-01-21T13:15:00Z", "stage": 28.43, "flow": 70900, "preliminary": "O", "olddatum": false }, { "occurredTime": "1967-11-01T08:30:00Z", "stage": 27.43, "flow": 64800, "preliminary": "O", "olddatum": false }, { "occurredTime": "1967-10-28T15:15:00Z", "stage": 28.89, "flow": 72700, "preliminary": "O", "olddatum": false }, { "occurredTime": "1967-06-22T05:45:00Z", "stage": 28.78, "flow": 72000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1966-12-17T02:00:00Z", "stage": 27.71, "flow": 65400, "preliminary": "O", "olddatum": false }, { "occurredTime": "1966-12-14T06:15:00Z", "stage": 27.65, "flow": 65000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1963-11-27T00:00:00Z", "stage": 28.8, "flow": 72100, "preliminary": "O", "olddatum": false }, { "occurredTime": "1962-11-20T00:00:00Z", "stage": 30.44, "flow": 83200, "preliminary": "O", "olddatum": false }, { "occurredTime": "1961-02-22T00:00:00Z", "stage": 27.52, "flow": 64300, "preliminary": "O", "olddatum": false }, { "occurredTime": "1961-01-16T00:00:00Z", "stage": 29.4, "flow": 76000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1959-12-16T00:00:00Z", "stage": 28.51, "flow": 70200, "preliminary": "O", "olddatum": false }, { "occurredTime": "1959-11-24T00:00:00Z", "stage": 31.58, "flow": 91600, "preliminary": "O", "olddatum": false }, { "occurredTime": "1959-11-21T00:00:00Z", "stage": 28.51, "flow": 70200, "preliminary": "O", "olddatum": false }, { "occurredTime": "1959-04-30T00:00:00Z", "stage": 31.68, "flow": 92300, "preliminary": "O", "olddatum": false }, { "occurredTime": "1958-12-03T00:00:00Z", "stage": 28.28, "flow": 68800, "preliminary": "O", "olddatum": false }, { "occurredTime": "1956-10-20T00:00:00Z", "stage": 27.47, "flow": 64000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1955-11-04T00:00:00Z", "stage": 34.49, "flow": 104000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1955-10-26T00:00:00Z", "stage": 30.69, "flow": 84900, "preliminary": "O", "olddatum": false }, { "occurredTime": "1953-02-01T00:00:00Z", "stage": 27.76, "flow": 65700, "preliminary": "O", "olddatum": false }, { "occurredTime": "1953-01-13T00:00:00Z", "stage": 27.25, "flow": 62800, "preliminary": "O", "olddatum": false }, { "occurredTime": "1951-02-11T00:00:00Z", "stage": 36.85, "flow": 144000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1950-12-25T00:00:00Z", "stage": 29.08, "flow": 74000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1950-11-26T00:00:00Z", "stage": 28.19, "flow": 68400, "preliminary": "O", "olddatum": false }, { "occurredTime": "1949-11-28T00:00:00Z", "stage": 34.21, "flow": 114000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1948-05-29T00:00:00Z", "stage": 27.5, "flow": 63400, "preliminary": "O", "olddatum": false }, { "occurredTime": "1947-10-19T00:00:00Z", "stage": 28.68, "flow": 69400, "preliminary": "O", "olddatum": false }, { "occurredTime": "1946-10-25T00:00:00Z", "stage": 27.8, "flow": 64900, "preliminary": "O", "olddatum": false }, { "occurredTime": "1945-10-26T00:00:00Z", "stage": 30.25, "flow": 94300, "preliminary": "O", "olddatum": false }, { "occurredTime": "1941-12-03T00:00:00Z", "stage": 25.99, "flow": 65300, "preliminary": "O", "olddatum": false }, { "occurredTime": "1906-11-11T00:00:00Z", "stage": 37, "flow": 180000, "preliminary": "O", "olddatum": false } ] }, "lowWaters": { "historic": [] }, "impacts": [ { "stage": 36, "statement": "the Skagit River will cause severe near record flooding from Sedro Woolley downstream through Mount Vernon to the mouth. Deep and swift flood waters will inundate and possibly damage many roads...farmlands and residential areas. Levees may be damaged. Flood areas will also include headwaters...tributaries...and other streams in the Skagit basin. This level for this location corresponds to a Phase 1 flood in the Skagit County flood system." }, { "stage": 34, "statement": "the Skagit River will cause major flooding from Sedro Woolley downstream through Mount Vernon to the mouth. Deep and swift flood waters will inundate many roads...farmlands and residential areas, including the Gages Slough area. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Skagit River Basin. This level for this location on the Skagit corresponds to a Phase 2 flood in the Skagit County flood system." }, { "stage": 32, "statement": "the Skagit River will cause major flooding from Sedro Woolley downstream through Mount Vernon to the mouth. Deep and swift flood waters will inundate many roads...farmlands and residential areas. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Skagit River Basin. This level for this location on the Skagit corresponds to a Phase 2 flood in the Skagit County flood system." }, { "stage": 30, "statement": "the Skagit River will flood from Sedro Woolley downstream through Mount Vernon to the mouth. Flood waters will inundate some low-lying roads...farmlands and residential areas. This level for this location on the Skagit corresponds to a phase 3 flood in the Skagit County flood system." }, { "stage": 28, "statement": "the Skagit River will cause minor flooding from Sedro Woolley downstream through Mount Vernon to the mouth...with shallow flooding in low pasture lands and over a few low-lying roads near the river. This level for this location on the Skagit corresponds to a Phase 3 flood in the Skagit County flood system." } ] }, "images": { "probability": { "weekint": { "stage": "", "flow": "", "volume": "" }, "entperiod": { "stage": "", "flow": "", "volume": "" }, "shortrange": "https://water.noaa.gov/resources/probabilistic/short_term/MVEW1.shortrange.hefs.png" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/mvew1_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/mvew1_record.png" }, "photos": [ { "id": "387615145866629614", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 48.445, -122.33416666667 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/mvew1/387615145866629614.jpeg", "caption": "Upstream view of Skagit River in Mount Vernon from gage." } }, { "id": "4775983820047585774", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 48.445, -122.33416666667 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/mvew1/4775983820047585774.jpeg", "caption": "Downstream view of Skagit River in Mount Vernon from gage." } }, { "id": "4790467935828382190", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 48.445, -122.33416666667 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/mvew1/4790467935828382190.jpeg", "caption": "Skagit River stream gage in Mount Vernon." } } ] }, "dataAttribution": [ { "abbrev": "USGS", "text": "12200500", "title": "Observations courtesy of U.S. Geological Survey", "url": "https://waterdata.usgs.gov/nwis/inventory/?site_no=12200500" } ], "impactsLowWaters": [], "normalThreshold": { "value": 0, "units": "ft" }, "hydronotes": [ { "statement": "River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.", "effective": "0101", "expiration": "1231" } ], "datums": { "vertical": { "value": [ { "label": "National Geodetic Vertical Datum of 1929", "abbrev": "NGVD29", "description": "A fixed reference adopted as a standard geodetic datum for elevations determined by leveling. The datum was derived for surveys from a general adjustment of the first-order leveling nets of both the United States and Canada. In the adjustment, mean sea level was held fixed as observed at 21 tide stations in the United States and 5 in Canada. The year indicates the time of the general adjustment. A synonym for Sea-level Datum of 1929. The geodetic datum is fixed and does not take into account the changing stands of sea level. Because there are many variables affecting sea level, and because the geodetic datum represents a best fit over a broad area, the relationship between the geodetic datum and local mean sea level is not consistent from one location to another in either time or space. For this reason, the National Geodetic Vertical Datum should not be confused with mean sea level. See North American Vertical Datum of 1988 (NAVD 88). NGVD 29 should not be used as Mean Sea Level. NGVD 29 is no longer supported by NGS.", "value": 0 } ] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "CONW1", "downstreamLid": "", "inService": { "enabled": true, "message": "" }, "lowThreshold": { "units": "ft", "value": 0 }, "forecastReliability": "Forecasts are issued routinely year-round.", "TruncateObs": "-1", "TruncateFcst": "7", "ObservedFloodCategory": "no_flooding", "ForecastFloodCategory": "no_flooding" }