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"stage": 28.39, "flow": 325000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1973-04-24T00:00:00Z", "stage": 33.66, "flow": 500000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1972-05-03T00:00:00Z", "stage": 19.75, "flow": 179000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1971-02-23T00:00:00Z", "stage": 20.71, "flow": 207000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1969-10-14T00:00:00Z", "stage": 28.7, "flow": 360000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1969-07-05T00:00:00Z", "stage": 28.1, "flow": 330000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1968-05-27T00:00:00Z", "stage": 20.4, "flow": 187000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1967-06-28T00:00:00Z", "stage": 30.05, "flow": 372000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1966-06-15T00:00:00Z", "stage": 20.2, "flow": 188000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1965-09-25T00:00:00Z", "stage": 27.4, "flow": 306000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1964-06-26T00:00:00Z", "stage": 21.1, "flow": 202000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1963-03-06T00:00:00Z", "stage": 17.1, "flow": 139000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1962-03-23T00:00:00Z", "stage": 25.3, "flow": 278000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1961-05-10T00:00:00Z", "stage": 30.6, "flow": 405000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1960-04-07T00:00:00Z", "stage": 28.44, "flow": 330000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1959-06-03T00:00:00Z", "stage": 21.3, "flow": 190000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1958-07-23T00:00:00Z", "stage": 29.2, "flow": 339000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1957-05-26T00:00:00Z", "stage": 21.5, "flow": 196000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1955-10-07T00:00:00Z", "stage": 17.45, "flow": 144000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1954-06-05T00:00:00Z", "stage": 16.82, "flow": 145000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1953-05-09T00:00:00Z", "stage": 18.7, "flow": 177000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1952-04-28T00:00:00Z", "stage": 27.1, "flow": 368000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1951-07-19T00:00:00Z", "stage": 33.33, "flow": 618000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1950-08-17T00:00:00Z", "stage": 23.67, "flow": 265000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1949-06-05T00:00:00Z", "stage": 22.8, "flow": 239000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1948-06-25T00:00:00Z", "stage": 25.2, "flow": 333000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1947-06-29T00:00:00Z", "stage": 31.2, "flow": 487000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1946-08-15T00:00:00Z", "stage": 20.3, "flow": 209000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1945-04-20T00:00:00Z", "stage": 27.74, "flow": 398000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1944-04-28T00:00:00Z", "stage": 30.9, "flow": 577000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1943-05-21T00:00:00Z", "stage": 31.2, "flow": 550000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1942-06-28T00:00:00Z", "stage": 29.62, "flow": 435000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1941-04-20T00:00:00Z", "stage": 23.66, "flow": 256000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1940-06-12T00:00:00Z", "stage": 14.03, "flow": 111000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1939-04-18T00:00:00Z", "stage": 22.75, "flow": 247000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1938-05-25T00:00:00Z", "stage": 21.8, "flow": 231000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1937-06-10T00:00:00Z", "stage": 19.85, "flow": 194000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1936-02-27T00:00:00Z", "stage": 15.85, "flow": 145000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1935-06-07T00:00:00Z", "stage": 29.15, "flow": 473000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1934-03-10T00:00:00Z", "stage": 11.28, "flow": 85000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1933-05-14T00:00:00Z", "stage": 19.4, "flow": 183000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1931-11-29T00:00:00Z", "stage": 20.9, "flow": 269000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1931-05-20T00:00:00Z", "stage": 13.5, "flow": 123000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1930-06-19T00:00:00Z", "stage": 15, "flow": 164000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1929-06-08T00:00:00Z", "stage": 24.6, "flow": 407000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1903-06-07T00:00:00Z", "stage": 29.5, "flow": 676000, "preliminary": "O", "olddatum": true }, { "occurredTime": "1885-06-16T19:00:00Z", "stage": 22.2, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1883-06-24T19:00:00Z", "stage": 24.5, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1881-05-04T19:00:00Z", "stage": 23.7, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1877-06-13T21:00:00Z", "stage": 22.5, "flow": 0, "preliminary": "O", "olddatum": true }, { "occurredTime": "1876-07-06T21:00:00Z", "stage": 22.9, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1876-05-08T21:00:00Z", "stage": 22.1, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1875-08-01T21:00:00Z", "stage": 22, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1844-06-01T00:00:00Z", "stage": 35.5, "flow": 700000, "preliminary": "O", "olddatum": false } ] }, "lowWaters": { "historic": [ { "occurredTime": "2022-12-31T00:00:00Z", "stage": -0.98, "flow": 20900, "statement": "Stayed at -0.98 ft from 05:45 till 09:00 UTC." }, { "occurredTime": "1878-12-21T00:00:00Z", "stage": -0.9, "flow": -9999, "statement": "Lowest stage on record." }, { "occurredTime": "1940-01-05T00:00:00Z", "stage": -0.8, "flow": 4200, "statement": "USACE daily stg = -0.74" }, { "occurredTime": "1936-01-27T00:00:00Z", "stage": -0.4, "flow": -9999, "statement": "" }, { "occurredTime": "1963-12-23T00:00:00Z", "stage": -0.25, "flow": 6210, "statement": "Followed 10 days of subzero temps." } ] }, "impacts": [ { "stage": 38.2, "statement": "The Katy Trail east of Logan Creek floods" }, { "stage": 38, "statement": "The New Haven federal levee will overtop near this height." }, { "stage": 36, "statement": "The Berger Levee between Berger and just northwest of New Haven will overtop near this height. The lower patio dining area at Hermannhof begins flooding near this height." }, { "stage": 35.8, "statement": "Homes and structures on the east side of Gasconade begin flooding along the Gasconade River near this height." }, { "stage": 35.4, "statement": "Near this height, Missouri Highway 100 will be closed through Gasconade." }, { "stage": 35, "statement": "The agricultural levee protecting Rush Island northeast of Hermann is overtopped near this height. This is the Tri-County Levee District Section Two." }, { "stage": 34.5, "statement": "Near this height, Missouri State Highway 94 between Rhineland and State Highway 19 will be closed in both directions. Also, the Tri-County Levee Section One along the left bank between Bluffton and McKittrick will overtop near this height. " }, { "stage": 34.3, "statement": "Missouri State Highway 94 between Route B and Route N will be closed near this height." }, { "stage": 34.2, "statement": "The picnic shelter and restrooms at the Hermann Riverfront Park begin flooding near this height." }, { "stage": 34.1, "statement": "Missouri State Highway 100 in Hermann between State Route 19 and Washington Street will be closed near this height." }, { "stage": 34, "statement": "Union Pacific Railroad tracks flood. The Tri-County Levee Section Two between McKittrick and Gore will overtop near this height." }, { "stage": 33.6, "statement": "Near this height, Missouri State Highway 100 will be closed in both directions east of Hermann." }, { "stage": 33.3, "statement": "A house at the end of Oak Street in Gasconade begins flooding at the base of the concrete foundation near this height." }, { "stage": 33, "statement": "The Tri-County Levee District Section One protecting the area south of Rhineland, including the Hermann airport, is overtopped near this level." }, { "stage": 32.6, "statement": "The Corps of Engineers Gasconade Harbor Facility boatyard area begins to flood near this height." }, { "stage": 32.5, "statement": "Hermann Ford and a vacant grocery store on 6th Street begin flooding near this level." }, { "stage": 32.29, "statement": "Market Street (Highway 19) begins flooding near the bridge over Frene Creek." }, { "stage": 32, "statement": "A Hermannhof Winery storage shelter begins flooding on the east side of Frene Creek." }, { "stage": 31.5, "statement": "Just northeast of Morrison, the Morrison Lower levee is overtopped near this height. Also, the restrooms at the Hermann City Campgrounds and a car wash on Gutenberg Road begin flooding near this height." }, { "stage": 31, "statement": "Hermann Farm Stable and Wagon Works and the city amphitheater grounds begin flooding near this height." }, { "stage": 30.8, "statement": "Near this height, Missouri State Highway 94 between Missouri Highway 19 and Route B will be closed in both directions." }, { "stage": 29.8, "statement": "The east end of Oak Street in Gasconade begins flooding near this level." }, { "stage": 29.2, "statement": "Missouri Route 94 is closed between Treloar and Pickney near this height." }, { "stage": 28, "statement": "Near this height, 2 picnic shelters along Mozart Road in Hermann City Park begin flooding." }, { "stage": 26, "statement": "Near this height, Gutenberg Street begins flooding." } ] }, "images": { "probability": { "weekint": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/HRNM7.SSTG.prob.weekint.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/HRNM7.QINE.prob.weekint.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/HRNM7.volume.prob.weekint.gif" }, "entperiod": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/HRNM7.SSTG.exceed.90day.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/HRNM7.QINE.exceed.90day.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/HRNM7.volume.exceed.90day.gif" }, "shortrange": "https://water.noaa.gov/resources/probabilistic/short_term/HRNM7.shortrange.hefs.png" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/hrnm7_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/hrnm7_record.png" }, "photos": [ { "id": "1913353517006918126", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.709722222222, -91.438611111111 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hrnm7/1913353517006918126.jpeg", "caption": "Slope gauge" } }, { "id": "1950396652157211118", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.709722222222, -91.438611111111 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hrnm7/1950396652157211118.jpeg", "caption": "Looking upstream at minor flood of May 10, 2007 at 25.6 feet." } }, { "id": "1974089328144486894", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.709722222222, -91.438611111111 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hrnm7/1974089328144486894.jpeg", "caption": "Looking downstream at minor flood of May 10, 2007 at 25.6 feet." } }, { "id": "2011118861133353454", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.709722222222, -91.438611111111 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hrnm7/2011118861133353454.jpeg", "caption": "Hermann riverfront during minor flood of May 10, 2007 at 25.6 feet." } }, { "id": "2051551361135350254", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.709722222222, -91.438611111111 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hrnm7/2051551361135350254.jpeg", "caption": "Hermann riverfront during minor flood of May 10, 2007 at 25.6 feet." } }, { "id": "17290031894971421166", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.709722222222, -91.438611111111 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hrnm7/17290031894971421166.jpeg", "caption": "Lions Park in Hermann on September 17, 2008 at 29.7 feet." } }, { "id": "17306483440781234670", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.709722222222, -91.438611111111 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hrnm7/17306483440781234670.jpeg", "caption": "Lions Park in Hermann on September 17, 2008 at 29.7 feet." } }, { "id": "17324067148560208366", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.709722222222, -91.438611111111 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hrnm7/17324067148560208366.jpeg", "caption": "Parking lot and business on East 6th Street in Hermann on September 17, 2008 at 29.7 feet." } }, { "id": "17341936720772469230", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.709722222222, -91.438611111111 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hrnm7/17341936720772469230.jpeg", "caption": "Hermann Ford on Market Street in Hermann on September 17, 2008 at 29.7 feet." } }, { "id": "17360493058255360494", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.709722222222, -91.438611111111 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hrnm7/17360493058255360494.jpeg", "caption": "Riverfront parking on September 17, 2008 at 29.7 feet." } }, { "id": "2467392968067322350", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.709722222222, -91.438611111111 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hrnm7/2467392968067322350.jpeg", "caption": "Gage shelter on the Highway 19 bridge at Hermann, Missouri." } }, { "id": "2476484919911715310", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.709722222222, -91.438611111111 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hrnm7/2476484919911715310.jpeg", "caption": "Radar gage on the Highway 19 bridge." } }, { "id": "2485473814015840750", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.709722222222, -91.438611111111 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/hrnm7/2485473814015840750.jpeg", "caption": "Wire weight gage box on the Highway 19 bridge at Hermann, Missouri." } } ] }, "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": "06934500", "title": "Observations courtesy of U.S. Geological Survey", "url": "https://waterdata.usgs.gov/nwis/inventory/?site_no=06934500" } ], "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": "0929" }, { "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": "0930", "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": 481.5 } ] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "CMSM7", "downstreamLid": "WHGM7", "inService": { "enabled": true, "message": "" }, "lowThreshold": null, "forecastReliability": "Forecasts are issued routinely year-round.", "TruncateObs": "-1", "TruncateFcst": "-1", "ObservedFloodCategory": "no_flooding", "ForecastFloodCategory": "no_flooding" }