{ "lid": "JNEL1", "usgsId": "", "reachId": "19374326", "name": "Black River at Jonesville L&D", "description": "", "rfc": { "abbreviation": "LMRFC", "name": "Lower Mississippi River Forecast Center" }, "wfo": { "abbreviation": "JAN", "name": "Jackson" }, "state": { "abbreviation": "LA", "name": "Louisiana" }, "county": "Catahoula", "timeZone": "CST6CDT", "latitude": 31.4828, "longitude": -91.8604, "pedts": { "observed": "HPIRG", "forecast": "HPIFF" }, "status": { "observed": { "primary": 34.03, "primaryUnit": "ft", "secondary": 40.2, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-10-30T08:00:00Z" }, "forecast": { "primary": 34, "primaryUnit": "ft", "secondary": 40, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-10-30T12:00:00Z" } }, "flood": { "stageUnits": "ft", "flowUnits": "cfs", "categories": { "major": { "stage": 60, "flow": -9999 }, "moderate": { "stage": 52, "flow": -9999 }, "minor": { "stage": 50, "flow": -9999 }, "action": { "stage": 49, "flow": -9999 } }, "lro": null, "crests": { "historic": [ { "occurredTime": "1927-05-03T00:00:00Z", "stage": 64.5, "flow": 0, "preliminary": "R", "olddatum": false }, { "occurredTime": "1973-05-17T00:00:00Z", "stage": 59.65, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1991-05-14T00:00:00Z", "stage": 55.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1975-05-16T00:00:00Z", "stage": 55.01, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-05-22T00:00:00Z", "stage": 54.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2016-03-22T00:00:00Z", "stage": 53.7, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1974-02-06T00:00:00Z", "stage": 53.6, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-04-26T00:00:00Z", "stage": 53.6, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1979-04-29T00:00:00Z", "stage": 53.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-01-09T00:00:00Z", "stage": 53.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-05-30T00:00:00Z", "stage": 52.9, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-03-19T00:00:00Z", "stage": 52.8, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2016-03-18T00:00:00Z", "stage": 52.07, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-04-23T00:00:00Z", "stage": 51.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2001-03-15T00:00:00Z", "stage": 51.3, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "1997-03-22T00:00:00Z", "stage": 51.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-02-29T00:00:00Z", "stage": 50.9, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-04-26T00:00:00Z", "stage": 50.8, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-03-17T00:00:00Z", "stage": 50.4, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1990-06-11T00:00:00Z", "stage": 50.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2016-01-24T00:00:00Z", "stage": 49.6, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-01-15T00:00:00Z", "stage": 49.09, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2011-05-26T00:00:00Z", "stage": 48.75, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "1999-02-10T00:00:00Z", "stage": 48.7, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1974-06-26T00:00:00Z", "stage": 48.4, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1989-07-10T00:00:00Z", "stage": 48.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2009-05-30T00:00:00Z", "stage": 48.12, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2009-11-05T00:00:00Z", "stage": 48.05, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2008-04-28T00:00:00Z", "stage": 48.04, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1991-01-26T00:00:00Z", "stage": 48, "flow": 0, "preliminary": "O", "olddatum": false } ], "recent": [ { "occurredTime": "2020-04-26T00:00:00Z", "stage": 50.8, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-02-29T00:00:00Z", "stage": 50.9, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-05-22T00:00:00Z", "stage": 54.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-04-26T00:00:00Z", "stage": 53.6, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-04-23T00:00:00Z", "stage": 51.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-03-17T00:00:00Z", "stage": 50.4, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-01-15T00:00:00Z", "stage": 49.09, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-03-19T00:00:00Z", "stage": 52.8, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2016-03-22T00:00:00Z", "stage": 53.7, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2016-03-18T00:00:00Z", "stage": 52.07, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2016-01-24T00:00:00Z", "stage": 49.6, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "2011-05-26T00:00:00Z", "stage": 48.75, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "2009-11-05T00:00:00Z", "stage": 48.05, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2009-05-30T00:00:00Z", "stage": 48.12, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2008-04-28T00:00:00Z", "stage": 48.04, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "2001-03-15T00:00:00Z", "stage": 51.3, "flow": -9999, "preliminary": "O", "olddatum": false }, { "occurredTime": "1999-02-10T00:00:00Z", "stage": 48.7, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1997-03-22T00:00:00Z", "stage": 51.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1991-05-14T00:00:00Z", "stage": 55.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1991-01-26T00:00:00Z", "stage": 48, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1990-06-11T00:00:00Z", "stage": 50.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1989-07-10T00:00:00Z", "stage": 48.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-05-30T00:00:00Z", "stage": 52.9, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1983-01-09T00:00:00Z", "stage": 53.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1979-04-29T00:00:00Z", "stage": 53.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1975-05-16T00:00:00Z", "stage": 55.01, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1974-06-26T00:00:00Z", "stage": 48.4, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1974-02-06T00:00:00Z", "stage": 53.6, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1973-05-17T00:00:00Z", "stage": 59.65, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1927-05-03T00:00:00Z", "stage": 64.5, "flow": 0, "preliminary": "R", "olddatum": false } ] }, "lowWaters": { "historic": [] }, "impacts": [ { "stage": 67.09, "statement": "The Little River Recreation Area is inaccessible." }, { "stage": 66, "statement": "The second floor of the control house at Jonesville Lock and Dam is flooded." }, { "stage": 61.1, "statement": "Jonesville Landing Recreation Area is inaccessible." }, { "stage": 61, "statement": "The Harrisonburg Recreation Area is inaccessible." }, { "stage": 59, "statement": "The Clayton Recreation Area is inaccessible." }, { "stage": 58, "statement": "The Jonesville Lock and Dam Recreation Area is inaccessible." }, { "stage": 52.7, "statement": "The Fort Necessity Recreation Area is inaccessible." }, { "stage": 52, "statement": "Backwater flooding on right bank threatens residences." }, { "stage": 51.4, "statement": "The Columbia Recreation Area is inaccessible." }, { "stage": 50, "statement": "Highway 124 south near the town of Larto starts to flood. Backwater flooding begins in unprotected areas on right bank." }, { "stage": 42, "statement": "Water begins to top the lock." }, { "stage": 40, "statement": "Access Road to lock begins to flood on the riverside of levee." }, { "stage": 39.5, "statement": "Locking operations ceases at the lock and dam." } ] }, "images": { "probability": { "weekint": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/JNEL1.SSTG.prob.weekint.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/JNEL1.QINE.prob.weekint.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/JNEL1.volume.prob.weekint.gif" }, "entperiod": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/JNEL1.SSTG.exceed.90day.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/JNEL1.QINE.exceed.90day.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/JNEL1.volume.exceed.90day.gif" }, "shortrange": "" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/jnel1_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/jnel1_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.mvk.usace.army.mil/" }, { "abbrev": "COE", "text": "Website", "title": "Observations courtesy of U.S. Army Corps of Engineers", "url": "https://rivergages.mvr.usace.army.mil/WaterControl/shefgraph-wotem2.cfm?sid=CE48F52C&d=7&dt=S" } ], "impactsLowWaters": [], "normalThreshold": { "value": 0, "units": "ft" }, "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": "0101", "expiration": "1231" } ], "datums": { "vertical": { "value": [] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "HRBL1", "downstreamLid": "ACML1", "inService": { "enabled": true, "message": "" }, "lowThreshold": null, "forecastReliability": "Forecasts are issued routinely year-round.", "TruncateObs": "-1", "TruncateFcst": "14", "ObservedFloodCategory": "no_flooding", "ForecastFloodCategory": "no_flooding" }