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0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1969-04-14T00:00:00Z", "stage": 17.45, "flow": 109000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1969-02-26T00:00:00Z", "stage": 20.55, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1968-06-27T00:00:00Z", "stage": 13.03, "flow": 68500, "preliminary": "O", "olddatum": false }, { "occurredTime": "1968-01-27T00:00:00Z", "stage": 15.97, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1967-06-18T00:00:00Z", "stage": 22.41, "flow": 151000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1966-02-08T00:00:00Z", "stage": 16.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1965-10-01T00:00:00Z", "stage": 14.86, "flow": 88900, "preliminary": "O", "olddatum": false }, { "occurredTime": "1965-07-02T15:30:00Z", "stage": 17.98, "flow": 106000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1965-06-30T00:00:00Z", "stage": 19.52, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1965-03-01T17:00:00Z", "stage": 17.1, "flow": 118000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1965-03-01T00:00:00Z", "stage": 17.1, "flow": 118000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1964-06-17T15:30:00Z", "stage": 17.18, "flow": 116000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1963-06-26T00:30:00Z", "stage": 15.24, "flow": 102000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1962-05-29T16:00:00Z", "stage": 17.8, "flow": 129000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1962-04-01T10:00:00Z", "stage": 19.58, "flow": 142000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1961-09-13T00:00:00Z", "stage": 14.1, "flow": 80100, "preliminary": "O", "olddatum": false }, { "occurredTime": "1960-04-06T00:00:00Z", "stage": 22.36, "flow": 181000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1959-05-30T00:00:00Z", "stage": 16.62, "flow": 109000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1958-07-11T00:00:00Z", "stage": 17.4, "flow": 99000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1957-06-18T00:00:00Z", "stage": 18.71, "flow": 117000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1956-08-19T00:00:00Z", "stage": 12.2, "flow": 54000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1955-02-19T00:00:00Z", "stage": 17.99, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "1954-06-22T00:00:00Z", "stage": 17.18, "flow": 122000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1953-06-28T00:00:00Z", "stage": 17.47, "flow": 117000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1952-04-22T00:00:00Z", "stage": 25.6, "flow": 358000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1951-05-02T00:00:00Z", "stage": 20.9, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "1950-05-10T00:00:00Z", "stage": 21.5, "flow": 170000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1950-04-29T00:00:00Z", "stage": 21.6, "flow": 185000, "preliminary": "O", "olddatum": false } ] }, "lowWaters": { "historic": [ { "occurredTime": "2024-01-17T00:00:00Z", "stage": -1.39, "flow": -9999, "statement": "" } ] }, "impacts": [ { "stage": 30, "statement": "Widespread flooding ensues as federal levees begin to be overtopped." }, { "stage": 27.26, "statement": "Significant flooding will encompass a very large area similar to what was experienced in 2011." }, { "stage": 26, "statement": "At this level the levee protecting Big Lake may be overtopped. In addition, Highway 159 in Missouri may begin to flood." }, { "stage": 21, "statement": "Several riverfront cabins along the Nebraska side begin to flood." }, { "stage": 20, "statement": "The Rulo boat ramp begins to flood." }, { "stage": 16, "statement": "Agricultural lowlands along the river begin to flood." } ] }, "images": { "probability": { "weekint": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/RULN1.SSTG.prob.weekint.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/RULN1.QINE.prob.weekint.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/RULN1.volume.prob.weekint.gif" }, "entperiod": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/RULN1.SSTG.exceed.90day.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/RULN1.QINE.exceed.90day.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/RULN1.volume.exceed.90day.gif" }, "shortrange": "https://water.noaa.gov/resources/probabilistic/short_term/RULN1.shortrange.hefs.png" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/ruln1_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/ruln1_record.png" }, "photos": [ { "id": "5068331953144795630", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 40.05361, -95.4219 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/ruln1/5068331953144795630.jpeg", "caption": "Looking upstream (June 2014)" } }, { "id": "5074164072056164846", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 40.05361, -95.4219 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/ruln1/5074164072056164846.jpeg", "caption": "Looking upstream from Highway 159 (June 2014)" } }, { "id": "5089204489181008366", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 40.05361, -95.4219 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/ruln1/5089204489181008366.jpeg", "caption": "Looking downstream (June 2014)" } } ] }, "dataAttribution": [ { "abbrev": "USGS", "text": "06813500", "title": "Observations courtesy of the USGS", "url": "https://waterdata.usgs.gov/monitoring-location/06813500" } ], "impactsLowWaters": [ { "value": "-2", "impact": "This is the lower operating limit for the gage." } ], "normalThreshold": null, "hydronotes": [ { "statement": "River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.", "effective": "0401", "expiration": "0930" }, { "statement": "River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.", "effective": "1001", "expiration": "0331" }, { "statement": "Stage may be affected by ice.", "effective": "1101", "expiration": "0331" } ], "datums": { "vertical": { "value": [ { "label": "North American Vertical Datum of 1988", "abbrev": "NAVD88", "description": "A fixed reference for elevations determined by geodetic leveling. The datum was derived from a general adjustment of the first-order terrestrial leveling nets of the United States, Canada, and Mexico. In the adjustment, only the height of the primary tidal bench mark, referenced to the International Great Lakes Datum of 1985 (IGLD 85) local mean sea level height value, at Father Point, Rimouski, Quebec, Canada was held fixed, thus providing minimum constraint. NAVD 88 and IGLD 85 are identical. However, NAVD 88 bench mark values are given in Helmert orthometric height units while IGLD 85 values are in dynamic heights. See International Great Lakes Datum of 1985, National Geodetic Vertical Datum of 1929, and geopotential difference. NAVD 88 should not be used as Mean Sea Level.", "value": 838.156 } ] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "BRON1", "downstreamLid": "SJSM7", "inService": { "enabled": true, "message": "" }, "lowThreshold": { "units": "ft", "value": -2 }, "forecastReliability": "Forecasts are issued routinely year-round.", "TruncateObs": "-1", "TruncateFcst": "10", "ObservedFloodCategory": "no_flooding", "ForecastFloodCategory": "no_flooding" }