{ "lid": "JRMS2", "usgsId": "06478000", "reachId": "12667026", "name": "James River near Mitchell", "description": "", "rfc": { "abbreviation": "MBRFC", "name": "Missouri Basin River Forecast Center" }, "wfo": { "abbreviation": "FSD", "name": "Sioux Falls" }, "state": { "abbreviation": "SD", "name": "South Dakota" }, "county": "Hanson", "timeZone": "CST6CDT", "latitude": 43.658888888889, "longitude": -97.918888888889, "pedts": { "observed": "HGIRG", "forecast": "HGIFE" }, "status": { "observed": { "primary": 12.35, "primaryUnit": "ft", "secondary": 0.709, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-11-14T06:45:00Z" }, "forecast": { "primary": -999, "primaryUnit": "", "secondary": -999, "secondaryUnit": "", "floodCategory": "fcst_not_current", "validTime": "0001-01-01T00:00:00Z" } }, "flood": { "stageUnits": "ft", "flowUnits": "cfs", "categories": { "major": { "stage": 24, "flow": -9999 }, "moderate": { "stage": 21.5, "flow": -9999 }, "minor": { "stage": 17, "flow": -9999 }, "action": { "stage": 16, "flow": -9999 } }, "lro": { "minorCS": "< 0.05", "moderateCS": "< 0.05", "majorCS": "< 0.05", "producedTime": "2026-10-21T22:05:04Z", "interval": "NDJ" }, "crests": { "historic": [ { "occurredTime": "2001-04-11T00:00:00Z", "stage": 25.33, "flow": 24700, "preliminary": "R", "olddatum": false }, { "occurredTime": "2011-03-25T00:00:00Z", "stage": 25.2, "flow": 28400, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-09-13T00:00:00Z", "stage": 25.05, "flow": 26100, "preliminary": "O", "olddatum": false }, { "occurredTime": "2010-06-16T00:00:00Z", "stage": 25.03, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2007-05-10T00:00:00Z", "stage": 24.38, "flow": 19600, "preliminary": "O", "olddatum": false }, { "occurredTime": "2024-06-23T00:00:00Z", "stage": 23.73, "flow": 19900, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-03-25T00:00:00Z", "stage": 23.52, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1997-04-07T00:00:00Z", "stage": 23.14, "flow": 28000, "preliminary": "O", "olddatum": true }, { "occurredTime": "2009-05-06T00:00:00Z", "stage": 21.89, "flow": 9200, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-03-24T00:00:00Z", "stage": 21.3, "flow": 9640, "preliminary": "O", "olddatum": false }, { "occurredTime": "2023-04-28T00:00:00Z", "stage": 21.03, "flow": 7950, "preliminary": "O", "olddatum": false }, { "occurredTime": "1995-04-23T00:00:00Z", "stage": 20.43, "flow": 16200, "preliminary": "O", "olddatum": true }, { "occurredTime": "2018-04-26T00:00:00Z", "stage": 19.6, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2012-05-08T00:00:00Z", "stage": 19.35, "flow": 4910, "preliminary": "O", "olddatum": false }, { "occurredTime": "2022-06-13T00:00:00Z", "stage": 19.09, "flow": 4980, "preliminary": "O", "olddatum": false }, { "occurredTime": "1969-05-11T00:00:00Z", "stage": 18.32, "flow": 13800, "preliminary": "O", "olddatum": true }, { "occurredTime": "2008-06-08T00:00:00Z", "stage": 17.44, "flow": 2280, "preliminary": "O", "olddatum": false }, { "occurredTime": "2005-06-13T00:00:00Z", "stage": 17.09, "flow": 2170, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-07-02T00:00:00Z", "stage": 17.09, "flow": 2790, "preliminary": "O", "olddatum": false }, { "occurredTime": "2025-08-30T00:00:00Z", "stage": 16.49, "flow": 2550, "preliminary": "O", "olddatum": false }, { "occurredTime": "2016-05-02T00:00:00Z", "stage": 16.25, "flow": 2440, "preliminary": "O", "olddatum": false }, { "occurredTime": "2004-06-14T00:00:00Z", "stage": 16.02, "flow": 1840, "preliminary": "O", "olddatum": false }, { "occurredTime": "2006-04-16T00:00:00Z", "stage": 15.98, "flow": 2160, "preliminary": "O", "olddatum": false }, { "occurredTime": "2015-07-06T00:00:00Z", "stage": 15.45, "flow": 2070, "preliminary": "O", "olddatum": false }, { "occurredTime": "1972-05-30T00:00:00Z", "stage": 14.98, "flow": 4010, "preliminary": "O", "olddatum": true }, { "occurredTime": "2014-06-19T00:00:00Z", "stage": 14.68, "flow": 1760, "preliminary": "O", "olddatum": false }, { "occurredTime": "2017-02-28T00:00:00Z", "stage": 14.44, "flow": 1380, "preliminary": "O", "olddatum": false }, { "occurredTime": "2002-05-23T00:00:00Z", "stage": 13.2, "flow": 691, "preliminary": "O", "olddatum": false }, { "occurredTime": "2003-07-06T00:00:00Z", "stage": 13.19, "flow": 877, "preliminary": "O", "olddatum": false }, { "occurredTime": "1966-03-23T00:00:00Z", "stage": 12.98, "flow": 2750, "preliminary": "O", "olddatum": true }, { "occurredTime": "2021-03-24T00:00:00Z", "stage": 12.85, "flow": 752, "preliminary": "O", "olddatum": false }, { "occurredTime": "1971-03-18T00:00:00Z", "stage": 12.8, "flow": 1850, "preliminary": "O", "olddatum": true }, { "occurredTime": "1967-06-24T00:00:00Z", "stage": 11.72, "flow": 2230, "preliminary": "O", "olddatum": true }, { "occurredTime": "1970-04-25T00:00:00Z", "stage": 9.33, "flow": 1300, "preliminary": "O", "olddatum": true }, { "occurredTime": "1968-05-11T00:00:00Z", "stage": 5.28, "flow": 360, "preliminary": "O", "olddatum": true } ], "recent": [ { "occurredTime": "2025-08-30T00:00:00Z", "stage": 16.49, "flow": 2550, "preliminary": "O", "olddatum": false }, { "occurredTime": "2024-06-23T00:00:00Z", "stage": 23.73, "flow": 19900, "preliminary": "O", "olddatum": false }, { "occurredTime": "2023-04-28T00:00:00Z", "stage": 21.03, "flow": 7950, "preliminary": "O", "olddatum": false }, { "occurredTime": "2022-06-13T00:00:00Z", "stage": 19.09, "flow": 4980, "preliminary": "O", "olddatum": false }, { "occurredTime": "2021-03-24T00:00:00Z", "stage": 12.85, "flow": 752, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-03-24T00:00:00Z", "stage": 21.3, "flow": 9640, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-09-13T00:00:00Z", "stage": 25.05, "flow": 26100, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-03-25T00:00:00Z", "stage": 23.52, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-04-26T00:00:00Z", "stage": 19.6, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2017-02-28T00:00:00Z", "stage": 14.44, "flow": 1380, "preliminary": "O", "olddatum": false }, { "occurredTime": "2016-05-02T00:00:00Z", "stage": 16.25, "flow": 2440, "preliminary": "O", "olddatum": false }, { "occurredTime": "2015-07-06T00:00:00Z", "stage": 15.45, "flow": 2070, "preliminary": "O", "olddatum": false }, { "occurredTime": "2014-06-19T00:00:00Z", "stage": 14.68, "flow": 1760, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-07-02T00:00:00Z", "stage": 17.09, "flow": 2790, "preliminary": "O", "olddatum": false }, { "occurredTime": "2012-05-08T00:00:00Z", "stage": 19.35, "flow": 4910, "preliminary": "O", "olddatum": false }, { "occurredTime": "2011-03-25T00:00:00Z", "stage": 25.2, "flow": 28400, "preliminary": "O", "olddatum": false }, { "occurredTime": "2010-06-16T00:00:00Z", "stage": 25.03, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2009-05-06T00:00:00Z", "stage": 21.89, "flow": 9200, "preliminary": "O", "olddatum": false }, { "occurredTime": "2008-06-08T00:00:00Z", "stage": 17.44, "flow": 2280, "preliminary": "O", "olddatum": false }, { "occurredTime": "2007-05-10T00:00:00Z", "stage": 24.38, "flow": 19600, "preliminary": "O", "olddatum": false }, { "occurredTime": "2006-04-16T00:00:00Z", "stage": 15.98, "flow": 2160, "preliminary": "O", "olddatum": false }, { "occurredTime": "2005-06-13T00:00:00Z", "stage": 17.09, "flow": 2170, "preliminary": "O", "olddatum": false }, { "occurredTime": "2004-06-14T00:00:00Z", "stage": 16.02, "flow": 1840, "preliminary": "O", "olddatum": false }, { "occurredTime": "2003-07-06T00:00:00Z", "stage": 13.19, "flow": 877, "preliminary": "O", "olddatum": false }, { "occurredTime": "2002-05-23T00:00:00Z", "stage": 13.2, "flow": 691, "preliminary": "O", "olddatum": false }, { "occurredTime": "2001-04-11T00:00:00Z", "stage": 25.33, "flow": 24700, "preliminary": "R", "olddatum": false }, { "occurredTime": "1997-04-07T00:00:00Z", "stage": 23.14, "flow": 28000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1995-04-23T00:00:00Z", "stage": 20.43, "flow": 16200, "preliminary": "O", "olddatum": true }, { "occurredTime": "1972-05-30T00:00:00Z", "stage": 14.98, "flow": 4010, "preliminary": "O", "olddatum": true }, { "occurredTime": "1971-03-18T00:00:00Z", "stage": 12.8, "flow": 1850, "preliminary": "O", "olddatum": true }, { "occurredTime": "1970-04-25T00:00:00Z", "stage": 9.33, "flow": 1300, "preliminary": "O", "olddatum": true }, { "occurredTime": "1969-05-11T00:00:00Z", "stage": 18.32, "flow": 13800, "preliminary": "O", "olddatum": true }, { "occurredTime": "1968-05-11T00:00:00Z", "stage": 5.28, "flow": 360, "preliminary": "O", "olddatum": true }, { "occurredTime": "1967-06-24T00:00:00Z", "stage": 11.72, "flow": 2230, "preliminary": "O", "olddatum": true }, { "occurredTime": "1966-03-23T00:00:00Z", "stage": 12.98, "flow": 2750, "preliminary": "O", "olddatum": true } ] }, "lowWaters": { "historic": [] }, "impacts": [ { "stage": 30.5, "statement": "257th Street at the bridge is flooded." }, { "stage": 27.5, "statement": "Water reaches the top of the bridge on 416th Ave" }, { "stage": 25, "statement": "Highway 42 east of Ethan will be flooded. Water reaches the bottom of the bridge on 257th Street at the gauge." }, { "stage": 24, "statement": "Highway 38 east of Mitchell begins flooding. 416th Avenue and 257th Street are flooded." }, { "stage": 23.5, "statement": "1st Avenue by the golf course is flooded." }, { "stage": 23, "statement": "416th Avenue is flooded near Rosedale Colony." }, { "stage": 22, "statement": "Water overtops 257th Street about 100 yards east of the bridge." }, { "stage": 21.5, "statement": "Shannard/Old Mill Road east of Mitchell is flooded." }, { "stage": 19, "statement": "Sizable areas of agricultural land near the river are flooded. " }, { "stage": 17, "statement": "Low lying agricultural land begins to flood. " }, { "stage": 15, "statement": "The lowest banks begin to be overtopped." } ] }, "images": { "probability": { "weekint": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/JRMS2.SSTG.prob.weekint.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/JRMS2.QINE.prob.weekint.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/JRMS2.volume.prob.weekint.gif" }, "entperiod": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/JRMS2.SSTG.exceed.90day.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/JRMS2.QINE.exceed.90day.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/JRMS2.volume.exceed.90day.gif" }, "shortrange": "https://water.noaa.gov/resources/probabilistic/short_term/JRMS2.shortrange.hefs.png" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/jrms2_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/jrms2_record.png" }, "photos": [ { "id": "1432863834703073774", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 43.658888888889, -97.918888888889 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/jrms2/1432863834703073774.jpeg", "caption": "Downstream View (6/8/2023)" } }, { "id": "1500453627666043374", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 43.658888888889, -97.918888888889 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/jrms2/1500453627666043374.jpeg", "caption": "Upstream View (6/8/2023)" } } ] }, "dataAttribution": [ { "abbrev": "USGS", "text": "06478000", "title": "Observations courtesy of U.S. Geological Survey", "url": "https://waterdata.usgs.gov/monitoring-location/06478000/" } ], "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": 1194.42 } ] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "FORS2", "downstreamLid": "SCOS2", "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" }