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"preliminary": "O", "olddatum": false }, { "occurredTime": "1949-05-18T00:00:00Z", "stage": 8.44, "flow": 672, "preliminary": "O", "olddatum": false }, { "occurredTime": "1948-03-27T00:00:00Z", "stage": 14.48, "flow": 4630, "preliminary": "O", "olddatum": false }, { "occurredTime": "1947-04-11T00:00:00Z", "stage": 9, "flow": 1360, "preliminary": "O", "olddatum": false }, { "occurredTime": "1946-03-21T00:00:00Z", "stage": 9.6, "flow": 1850, "preliminary": "O", "olddatum": false }, { "occurredTime": "1945-03-21T00:00:00Z", "stage": 9.68, "flow": 1920, "preliminary": "O", "olddatum": false }, { "occurredTime": "1944-03-31T00:00:00Z", "stage": 10.48, "flow": 2460, "preliminary": "O", "olddatum": false }, { "occurredTime": "1929-03-20T00:00:00Z", "stage": 12, "flow": 2650, "preliminary": "O", "olddatum": false }, { "occurredTime": "1922-03-22T00:00:00Z", "stage": 16.5, "flow": 0, "preliminary": "O", "olddatum": false } ] }, "lowWaters": { "historic": [] }, "impacts": [ { "stage": 25.5, "statement": "Water overtops the dike at the wastewater treatment plant." }, { "stage": 22, "statement": "Riverside Park in Huron begins to flood from water overtopping the dike." }, { "stage": 21.5, "statement": "Water reaches the bottom of the bridge on Highway 14 and reaches the top of the dike in Memorial Park." }, { "stage": 20.5, "statement": "Memorial Park in Huron will be flooded. The lowest portion of 221st in northern Sanborn County begins to flood. " }, { "stage": 19.5, "statement": "Hwy 14 may begin flooding west of the bridge in Huron. Water reaches the bottom of the bridge at the gaging location." }, { "stage": 19, "statement": "Most county roads along the river east of Highway 37 are flooded." }, { "stage": 17, "statement": "3rd Street east of the bridge in Huron begins flooding." }, { "stage": 16.5, "statement": "Portions of Jersey, Riverside, and Sherman streets in Huron may begin flooding." }, { "stage": 15, "statement": "Approximately 16000 acres of agricultural land around Huron will be flooded. The lowest portion of Jersey and Waibel Dr may also be flooded if flow from the creek is high. " }, { "stage": 14, "statement": "A few county and township roads in Beadle County will be flooded." }, { "stage": 11.5, "statement": "Rural and agricultural areas begin to experience flooding" }, { "stage": 10.5, "statement": "The lowest banks begin to be overtopped flooding low lying areas near the river. " } ] }, "images": { "probability": { "weekint": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/HURS2.SSTG.prob.weekint.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/HURS2.QINE.prob.weekint.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/HURS2.volume.prob.weekint.gif" }, "entperiod": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/HURS2.SSTG.exceed.90day.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/HURS2.QINE.exceed.90day.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/HURS2.volume.exceed.90day.gif" }, "shortrange": "https://water.noaa.gov/resources/probabilistic/short_term/HURS2.shortrange.hefs.png" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/hurs2_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/hurs2_record.png" }, "photos": [ { "id": "368559333752639982", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 44.363611111111, -98.198888888889 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hurs2/368559333752639982.jpeg", "caption": "Downstream View (6/6/2023)" } }, { "id": "460586442657829358", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 44.363611111111, -98.198888888889 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hurs2/460586442657829358.jpeg", "caption": "Upstream View (6/6/2023)" } } ] }, "dataAttribution": [ { "abbrev": "USGS", "text": "06476000", "title": "Observations courtesy of U.S. Geological Survey", "url": "https://waterdata.usgs.gov/monitoring-location/06476000/" } ], "impactsLowWaters": [], "normalThreshold": { "value": 0, "units": "ft" }, "hydronotes": [ { "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": "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": "Gauge reading may be affected by ice.", "effective": "1001", "expiration": "0401" } ], "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": 1224.13 } ] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "RFDS2", "downstreamLid": "FORS2", "inService": { "enabled": true, "message": "" }, "lowThreshold": null, "forecastReliability": "Forecasts are issued as needed during times of high water, but are not routinely available.", "TruncateObs": "-1", "TruncateFcst": "-1", "ObservedFloodCategory": "no_flooding", "ForecastFloodCategory": "fcst_not_current" }