{ "lid": "DLDI4", "usgsId": "", "reachId": "13357546", "name": "Mississippi River at Dubuque (LD11)", "description": "COE", "rfc": { "abbreviation": "NCRFC", "name": "North Central River Forecast Center" }, "wfo": { "abbreviation": "DVN", "name": "Davenport" }, "state": { "abbreviation": "IA", "name": "Iowa" }, "county": "Dubuque", "timeZone": "CST6CDT", "latitude": 42.538611111111, "longitude": -90.646388888889, "pedts": { "observed": "HTIRG", "forecast": "HTIFE" }, "status": { "observed": { "primary": 4.49, "primaryUnit": "ft", "secondary": 25.9, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-08-30T21:00:00Z" }, "forecast": { "primary": 4.5, "primaryUnit": "ft", "secondary": 26.1, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-08-31T00:00:00Z" } }, "flood": { "stageUnits": "ft", "flowUnits": "cfs", "categories": { "major": { "stage": 20.5, "flow": -9999 }, "moderate": { "stage": 17, "flow": -9999 }, "minor": { "stage": 16, "flow": -9999 }, "action": { "stage": 15, "flow": -9999 } }, "lro": { "minorCS": "< 0.05", "moderateCS": "< 0.05", "majorCS": "< 0.05", "producedTime": "2026-08-28T20:02:41Z", "interval": "SON" }, "crests": { "historic": [ { "occurredTime": "1965-04-26T00:00:00Z", "stage": 25.69, "flow": 0, "preliminary": "R", "olddatum": false }, { "occurredTime": "2001-04-21T00:00:00Z", "stage": 23.91, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2023-04-29T00:00:00Z", "stage": 23.03, "flow": 0, "preliminary": "P", "olddatum": false }, { "occurredTime": "1993-07-01T00:00:00Z", "stage": 22.32, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-04-27T00:00:00Z", "stage": 21.77, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1969-04-23T00:00:00Z", "stage": 21.74, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1951-04-22T00:00:00Z", "stage": 21.64, "flow": 0, "preliminary": "O", "olddatum": false }, { 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"occurredTime": "1938-09-20T00:00:00Z", "stage": 19.4, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-05-31T15:50:00Z", "stage": 19.19, "flow": 203583, "preliminary": "P", "olddatum": false }, { "occurredTime": "1954-05-12T00:00:00Z", "stage": 18.85, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2008-06-13T00:00:00Z", "stage": 18.56, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-03-17T00:00:00Z", "stage": 18.54, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2014-07-04T19:00:00Z", "stage": 18.46, "flow": 194739, "preliminary": "O", "olddatum": false }, { "occurredTime": "2008-04-26T00:00:00Z", "stage": 18.29, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1942-06-12T00:00:00Z", "stage": 18.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-05-07T00:00:00Z", "stage": 17.87, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1944-06-27T00:00:00Z", "stage": 17.7, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1945-03-30T00:00:00Z", "stage": 17.69, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1943-06-29T00:00:00Z", "stage": 17.66, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1971-04-21T00:00:00Z", "stage": 17.46, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1982-04-27T00:00:00Z", "stage": 17.19, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2017-05-29T00:00:00Z", "stage": 17.04, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1976-04-09T00:00:00Z", "stage": 16.69, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2004-06-19T00:00:00Z", "stage": 16.66, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1946-03-27T00:00:00Z", "stage": 16.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1939-04-06T00:00:00Z", "stage": 16.4, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-06-26T00:00:00Z", "stage": 16.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2002-04-24T00:00:00Z", "stage": 16.22, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1979-05-04T00:00:00Z", "stage": 16, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2016-09-30T00:00:00Z", "stage": 15.91, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2015-06-06T00:00:00Z", "stage": 11.23, "flow": 0, "preliminary": "O", "olddatum": false } ], "recent": [ { "occurredTime": "2024-07-06T19:50:00Z", "stage": 20.85, "flow": 228477, "preliminary": "P", "olddatum": false }, { "occurredTime": "2023-04-29T00:00:00Z", "stage": 23.03, "flow": 0, "preliminary": "P", "olddatum": false }, { "occurredTime": "2019-05-31T15:50:00Z", "stage": 19.19, "flow": 203583, "preliminary": "P", "olddatum": false }, { "occurredTime": "2019-04-27T00:00:00Z", "stage": 21.77, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-04-06T00:00:00Z", "stage": 21.22, "flow": 0, "preliminary": "P", "olddatum": false }, { "occurredTime": "2018-05-07T00:00:00Z", "stage": 17.87, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2017-05-29T00:00:00Z", "stage": 17.04, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2016-09-30T00:00:00Z", "stage": 15.91, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2015-06-06T00:00:00Z", "stage": 11.23, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2014-07-04T19:00:00Z", "stage": 18.46, "flow": 194739, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-06-26T00:00:00Z", "stage": 16.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2011-04-19T20:00:00Z", "stage": 21.24, "flow": 237884, "preliminary": "O", "olddatum": false }, { "occurredTime": "2008-06-13T00:00:00Z", "stage": 18.56, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2008-04-26T00:00:00Z", "stage": 18.29, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2004-06-19T00:00:00Z", "stage": 16.66, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2002-04-24T00:00:00Z", "stage": 16.22, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2001-04-21T00:00:00Z", "stage": 23.91, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1997-04-16T00:00:00Z", "stage": 21.22, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1993-07-01T00:00:00Z", "stage": 22.32, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1986-10-05T00:00:00Z", "stage": 20.05, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-03-17T00:00:00Z", "stage": 18.54, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1982-04-27T00:00:00Z", "stage": 17.19, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1979-05-04T00:00:00Z", "stage": 16, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1976-04-09T00:00:00Z", "stage": 16.69, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1975-05-06T00:00:00Z", "stage": 21.32, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1973-03-23T00:00:00Z", "stage": 20.33, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1971-04-21T00:00:00Z", "stage": 17.46, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1969-04-23T00:00:00Z", "stage": 21.74, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1967-04-11T00:00:00Z", "stage": 20.45, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1965-04-26T00:00:00Z", "stage": 25.69, "flow": 0, "preliminary": "R", "olddatum": false }, { "occurredTime": "1954-05-12T00:00:00Z", "stage": 18.85, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1952-04-25T00:00:00Z", "stage": 21.57, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1951-04-22T00:00:00Z", "stage": 21.64, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1946-03-27T00:00:00Z", "stage": 16.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1945-03-30T00:00:00Z", "stage": 17.69, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1944-06-27T00:00:00Z", "stage": 17.7, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1943-06-29T00:00:00Z", "stage": 17.66, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1942-06-12T00:00:00Z", "stage": 18.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1939-04-06T00:00:00Z", "stage": 16.4, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1938-09-20T00:00:00Z", "stage": 19.4, "flow": 0, "preliminary": "O", "olddatum": false } ] }, "lowWaters": { "historic": [] }, "impacts": [ { "stage": 22, "statement": "Water affects Volunteer Drive leading to Lock and Dam 11." }, { "stage": 20.8, "statement": "Lock and Dam 11 is closed." } ] }, "images": { "probability": { "weekint": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/DLDI4.SSTG.prob.weekint.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/DLDI4.QINE.prob.weekint.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/DLDI4.volume.prob.weekint.gif" }, "entperiod": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/DLDI4.SSTG.exceed.90day.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/DLDI4.QINE.exceed.90day.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/DLDI4.volume.exceed.90day.gif" }, "shortrange": "https://water.noaa.gov/resources/probabilistic/short_term/DLDI4.shortrange.hefs.png" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/dldi4_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/dldi4_record.png" }, "photos": [] }, "dataAttribution": [ { "abbrev": "U.S. Army Corps of Engineers", "text": "U.S. Army Corps of Engineers", "title": "U.S. Army Corps of Engineers", "url": "https://www.mvr.usace.army.mil/" }, { "abbrev": "COE", "text": "Website", "title": "Observations courtesy of U.S. Army Corps of Engineers", "url": "https://www.rivergages.com/" } ], "impactsLowWaters": [], "normalThreshold": null, "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": "0401" } ], "datums": { "vertical": { "value": [] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "WPNI4", "downstreamLid": "DBQI4", "inService": { "enabled": true, "message": "" }, "lowThreshold": null, "forecastReliability": "Forecasts are issued routinely year-round.", "TruncateObs": "-1", "TruncateFcst": "7", "ObservedFloodCategory": "no_flooding", "ForecastFloodCategory": "no_flooding" }