{ "lid": "WNAM5", "usgsId": "05378500", "reachId": "2118562", "name": "Mississippi River at Winona - Pool 6", "description": "", "rfc": { "abbreviation": "NCRFC", "name": "North Central River Forecast Center" }, "wfo": { "abbreviation": "ARX", "name": "La Crosse" }, "state": { "abbreviation": "MN", "name": "Minnesota" }, "county": "Winona", "timeZone": "CST6CDT", "latitude": 44.0556, "longitude": -91.6375, "pedts": { "observed": "HGIRG", "forecast": "HGIFF" }, "status": { "observed": { "primary": 5.66, "primaryUnit": "ft", "secondary": 23.7, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-08-30T20:45:00Z" }, "forecast": { "primary": 5.7, "primaryUnit": "ft", "secondary": 28.4, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-08-31T00:00:00Z" } }, "flood": { "stageUnits": "ft", "flowUnits": "cfs", "categories": { "major": { "stage": 18, "flow": -9999 }, "moderate": { "stage": 15, "flow": -9999 }, "minor": { "stage": 13, "flow": -9999 }, "action": { "stage": 11, "flow": -9999 } }, "lro": { "minorCS": "< 0.05", "moderateCS": "< 0.05", "majorCS": "< 0.05", "producedTime": "2026-08-28T20:02:41Z", "interval": "SON" }, "crests": { "historic": [ { "occurredTime": "1965-04-19T00:00:00Z", "stage": 20.77, "flow": 268000, "preliminary": "R", "olddatum": false }, { "occurredTime": "2001-04-17T14:00:00Z", "stage": 20.07, "flow": 237000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1969-04-19T00:00:00Z", "stage": 19.44, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2023-04-26T03:15:00Z", "stage": 18.81, "flow": 0, "preliminary": "P", "olddatum": false }, { "occurredTime": "1997-04-11T00:00:00Z", "stage": 18.3, "flow": 194000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1952-04-20T00:00:00Z", "stage": 17.93, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "1951-04-18T00:00:00Z", "stage": 17.36, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-04-03T00:00:00Z", "stage": 17.3, "flow": 178393, "preliminary": "O", "olddatum": false }, { "occurredTime": "1967-04-07T00:00:00Z", "stage": 16.92, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1880-06-18T00:00:00Z", "stage": 16.87, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1975-05-02T00:00:00Z", "stage": 16.6, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2011-04-15T10:00:00Z", "stage": 16.58, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1986-04-07T00:00:00Z", "stage": 16.53, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1993-06-26T00:00:00Z", "stage": 16.53, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1897-04-09T00:00:00Z", "stage": 16.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1954-05-07T00:00:00Z", "stage": 16.3, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "1916-04-27T00:00:00Z", "stage": 16.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2024-07-02T21:45:00Z", "stage": 16.14, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1920-04-01T00:00:00Z", "stage": 16, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2014-07-02T02:45:00Z", "stage": 15.52, "flow": 151590, "preliminary": "O", "olddatum": false }, { "occurredTime": "1922-04-15T00:00:00Z", "stage": 15.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-05-25T09:30:00Z", "stage": 15.13, "flow": 145897, "preliminary": "O", "olddatum": false }, { "occurredTime": "1996-04-25T00:00:00Z", "stage": 14.95, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1888-05-04T00:00:00Z", "stage": 14.92, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1943-06-22T00:00:00Z", "stage": 14.8, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1986-09-28T00:00:00Z", "stage": 14.6, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1973-03-20T00:00:00Z", "stage": 14.57, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1982-04-23T00:00:00Z", "stage": 14.53, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-03-12T00:00:00Z", "stage": 14.52, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1971-03-17T00:00:00Z", "stage": 14.4, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1881-10-05T00:00:00Z", "stage": 14.33, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1979-04-26T00:00:00Z", "stage": 14.16, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1950-05-14T00:00:00Z", "stage": 14.05, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2010-09-29T17:00:00Z", "stage": 13.7, "flow": 127000, "preliminary": "O", "olddatum": false }, { "occurredTime": "2002-04-19T12:00:00Z", "stage": 13.51, "flow": 124000, "preliminary": "O", "olddatum": false }, { "occurredTime": "2017-05-24T09:00:00Z", "stage": 13.44, "flow": 123520, "preliminary": "O", "olddatum": false }, { "occurredTime": "1976-04-05T00:00:00Z", "stage": 13.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2003-05-17T16:00:00Z", "stage": 13.12, "flow": 119339, "preliminary": "O", "olddatum": false } ], "recent": [ { "occurredTime": "2024-07-02T21:45:00Z", "stage": 16.14, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2023-04-26T03:15:00Z", "stage": 18.81, "flow": 0, "preliminary": "P", "olddatum": false }, { "occurredTime": "2019-05-25T09:30:00Z", "stage": 15.13, "flow": 145897, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-04-03T00:00:00Z", "stage": 17.3, "flow": 178393, "preliminary": "O", "olddatum": false }, { "occurredTime": "2017-05-24T09:00:00Z", "stage": 13.44, "flow": 123520, "preliminary": "O", "olddatum": false }, { "occurredTime": "2014-07-02T02:45:00Z", "stage": 15.52, "flow": 151590, "preliminary": "O", "olddatum": false }, { "occurredTime": "2011-04-15T10:00:00Z", "stage": 16.58, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2010-09-29T17:00:00Z", "stage": 13.7, "flow": 127000, "preliminary": "O", "olddatum": false }, { "occurredTime": "2003-05-17T16:00:00Z", "stage": 13.12, "flow": 119339, "preliminary": "O", "olddatum": false }, { "occurredTime": "2002-04-19T12:00:00Z", "stage": 13.51, "flow": 124000, "preliminary": "O", "olddatum": false }, { "occurredTime": "2001-04-17T14:00:00Z", "stage": 20.07, "flow": 237000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1997-04-11T00:00:00Z", "stage": 18.3, "flow": 194000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1996-04-25T00:00:00Z", "stage": 14.95, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1993-06-26T00:00:00Z", "stage": 16.53, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1986-09-28T00:00:00Z", "stage": 14.6, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1986-04-07T00:00:00Z", "stage": 16.53, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-03-12T00:00:00Z", "stage": 14.52, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1982-04-23T00:00:00Z", "stage": 14.53, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1979-04-26T00:00:00Z", "stage": 14.16, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1976-04-05T00:00:00Z", "stage": 13.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1975-05-02T00:00:00Z", "stage": 16.6, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1973-03-20T00:00:00Z", "stage": 14.57, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1971-03-17T00:00:00Z", "stage": 14.4, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1969-04-19T00:00:00Z", "stage": 19.44, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1967-04-07T00:00:00Z", "stage": 16.92, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1965-04-19T00:00:00Z", "stage": 20.77, "flow": 268000, "preliminary": "R", "olddatum": false }, { "occurredTime": "1954-05-07T00:00:00Z", "stage": 16.3, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "1952-04-20T00:00:00Z", "stage": 17.93, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "1951-04-18T00:00:00Z", "stage": 17.36, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "1950-05-14T00:00:00Z", "stage": 14.05, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1943-06-22T00:00:00Z", "stage": 14.8, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1922-04-15T00:00:00Z", "stage": 15.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1920-04-01T00:00:00Z", "stage": 16, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1916-04-27T00:00:00Z", "stage": 16.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1897-04-09T00:00:00Z", "stage": 16.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1888-05-04T00:00:00Z", "stage": 14.92, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1881-10-05T00:00:00Z", "stage": 14.33, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1880-06-18T00:00:00Z", "stage": 16.87, "flow": 0, "preliminary": "O", "olddatum": false } ] }, "lowWaters": { "historic": [] }, "impacts": [ { "stage": 25, "statement": "Water levels reach the top of the emergency dike." }, { "stage": 24, "statement": "Water overtops the levee downtown." }, { "stage": 22, "statement": "Water levels reach the designed dike protection level." }, { "stage": 20.77, "statement": "The water reaches the flood of record set in 1965." }, { "stage": 20.5, "statement": "Railroad lines go under water." }, { "stage": 17, "statement": "Some railroad lines may become inoperative." }, { "stage": 16.6, "statement": "Lock and Dam 6 goes out of operation." }, { "stage": 16, "statement": "Lock and Dam 5A goes out of operation." }, { "stage": 13, "statement": "Prairie Island Park begins to flood. Pumping operations are underway by the city of Winona, and dike patrols are started." }, { "stage": 12.5, "statement": "Spillway lot and Saint Charles Street boat launch is barricaded." }, { "stage": 10.5, "statement": "Pumping stations are put into operation along Washington, Kansas, and High Forest streets." }, { "stage": 10, "statement": "Olmstead Street Pumping Station is put into operation." }, { "stage": 9, "statement": "East Riverfront Street along Levee Park is closed due to flooding." } ] }, "images": { "probability": { "weekint": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/WNAM5.SSTG.prob.weekint.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/WNAM5.QINE.prob.weekint.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/WNAM5.volume.prob.weekint.gif" }, "entperiod": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/WNAM5.SSTG.exceed.90day.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/WNAM5.QINE.exceed.90day.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/WNAM5.volume.exceed.90day.gif" }, "shortrange": "https://water.noaa.gov/resources/probabilistic/short_term/WNAM5.shortrange.hefs.png" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/wnam5_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/wnam5_record.png" }, "photos": [ { "id": "5746655663123468782", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 44.0556, -91.6375 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/wnam5/5746655663123468782.jpeg", "caption": "Downstream view at Winona, October 4th, 2011, Stage = 5.56 ft" } }, { "id": "5782343293710242286", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 44.0556, -91.6375 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/wnam5/5782343293710242286.jpeg", "caption": "Upstream view at Winona, October 4th, 2011, Stage = 5.56 ft" } } ] }, "dataAttribution": [ { "abbrev": "US Geological Survey", "text": "05378500", "title": "Observations courtesy of U.S. Geological Survey", "url": "https://waterdata.usgs.gov/monitoring-location/05378500/" } ], "impactsLowWaters": [], "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" } ], "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": 639.5 } ] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "WIDM5", "downstreamLid": "TREW3", "inService": { "enabled": true, "message": "" }, "lowThreshold": null, "forecastReliability": "Forecasts are issued routinely during the navigation season, and as needed at other times of the year.", "TruncateObs": "-1", "TruncateFcst": "7", "ObservedFloodCategory": "no_flooding", "ForecastFloodCategory": "no_flooding" }