{ "lid": "DLDA1", "usgsId": "02467000", "reachId": "18540822", "name": "Tombigbee River at Demopolis Lock and Dam", "description": "", "rfc": { "abbreviation": "SERFC", "name": "Southeast River Forecast Center" }, "wfo": { "abbreviation": "BMX", "name": "Calera" }, "state": { "abbreviation": "AL", "name": "Alabama" }, "county": "Marengo", "timeZone": "CST6CDT", "latitude": 32.520833333333, "longitude": -87.88, "pedts": { "observed": "HTIRG", "forecast": "HTIFF" }, "status": { "observed": { "primary": 33.65, "primaryUnit": "ft", "secondary": 4.35, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-08-30T21:15:00Z" }, "forecast": { "primary": 33.9, "primaryUnit": "ft", "secondary": 4.81, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-08-31T12:00:00Z" } }, "flood": { "stageUnits": "ft", "flowUnits": "cfs", "categories": { "major": { "stage": 92, "flow": -9999 }, "moderate": { "stage": 77, "flow": -9999 }, "minor": { "stage": 68, 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"preliminary": "O", "olddatum": false }, { "occurredTime": "1991-05-06T00:00:00Z", "stage": 80.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1991-02-27T00:00:00Z", "stage": 84.7, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1987-03-05T00:00:00Z", "stage": 79.90000000000002, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1984-01-01T00:00:00Z", "stage": 73.59999999999998, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-12-12T00:00:00Z", "stage": 83.09999999999998, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-05-27T00:00:00Z", "stage": 85.09999999999998, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-03-12T00:00:00Z", "stage": 81.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-02-06T00:00:00Z", "stage": 79.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-01-04T00:00:00Z", "stage": 74, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1982-12-15T00:00:00Z", "stage": 72.59999999999998, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1981-04-03T00:00:00Z", "stage": 76.7, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1980-03-29T00:00:00Z", "stage": 85.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1979-04-19T00:00:00Z", "stage": 92.3, "flow": 0, "preliminary": "R", "olddatum": false }, { "occurredTime": "1977-04-11T00:00:00Z", "stage": 82, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1973-03-27T00:00:00Z", "stage": 84, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1961-12-25T00:00:00Z", "stage": 87.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1961-02-28T00:00:00Z", "stage": 91.7, "flow": 0, "preliminary": "O", "olddatum": false } ] }, "lowWaters": { "historic": [] }, "impacts": [ { "stage": 92, "statement": "Severe flooding occurs in Greene...Sumter...and Marengo counties with numerous evacuations required. " }, { "stage": 84, "statement": "Some industrial and residential flooding begins just upstream from Demopolis Dam at 88 feet. Widespread flooding in Greene...Marengo...and Sumter counties occurs and some evacuations may be necessary. " }, { "stage": 77, "statement": "Flooding of numerous cabins and trailers near the river can be expected. " }, { "stage": 73, "statement": "Some cabins and trailers along the river begin to flood...as well as some secondary roads. " }, { "stage": 68, "statement": "Flooding of lowlands in the area occurs and cattle should be moved to higher ground. " } ] }, "images": { "probability": { "weekint": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/DLDA1.SSTG.prob.weekint.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/DLDA1.QINE.prob.weekint.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/DLDA1.volume.prob.weekint.gif" }, "entperiod": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/DLDA1.SSTG.exceed.90day.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/DLDA1.QINE.exceed.90day.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/DLDA1.volume.exceed.90day.gif" }, "shortrange": "https://water.noaa.gov/resources/probabilistic/short_term/DLDA1.shortrange.hefs.png" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/dlda1_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/dlda1_record.png" }, "photos": [] }, "dataAttribution": [ { "abbrev": "US Geological Survey", "text": "USGS--Water Resources of the United States", "title": "US Geological Survey", "url": "https://waterdata.usgs.gov/nwis" }, { "abbrev": "USGS", "text": "02467001", "title": "Observations courtesy of U.S. Geological Survey", "url": "https://waterdata.usgs.gov/monitoring-location/USGS-02467001/#dataTypeId=continuous-00065-0&period=P7D&showFieldMeasurements=true" }, { "abbrev": "COE", "text": "Website", "title": "Observations courtesy of U.S. Army Corps of Engineers", "url": "https://water.sam.usace.army.mil/" } ], "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": "0101", "expiration": "1231" } ], "datums": { "vertical": { "value": [] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "GNSA1", "downstreamLid": "NANA1", "inService": { "enabled": true, "message": "" }, "lowThreshold": null, "forecastReliability": "Forecasts are issued routinely year-round.", "TruncateObs": "-1", "TruncateFcst": "7", "ObservedFloodCategory": "no_flooding", "ForecastFloodCategory": "no_flooding" }