{ "lid": "ASHK2", "usgsId": "03216000", "reachId": "466428", "name": "Ohio River at Ashland", "description": "Ohio River at Ashland", "rfc": { "abbreviation": "OHRFC", "name": "Ohio River Forecast Center" }, "wfo": { "abbreviation": "RLX", "name": "South Charleston" }, "state": { "abbreviation": "KY", "name": "Kentucky" }, "county": "Boyd", "timeZone": "EST5EDT", "latitude": 38.4811922, "longitude": -82.6365497, "pedts": { "observed": "HGIRG", "forecast": "HGIFF" }, "status": { "observed": { "primary": 35.13, "primaryUnit": "ft", "secondary": -999, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-10-16T06:00:00Z" }, "forecast": { "primary": 34.9, "primaryUnit": "ft", "secondary": -999, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-10-16T12:00:00Z" } }, "flood": { "stageUnits": "ft", "flowUnits": "cfs", "categories": { "major": { "stage": 65.5, "flow": -9999 }, "moderate": { "stage": 56.6, "flow": -9999 }, "minor": { "stage": 52, "flow": -9999 }, "action": { "stage": 50, "flow": -9999 } }, "lro": { "minorCS": "0.1", "moderateCS": "0.06", "majorCS": "< 0.05", "producedTime": "2026-10-13T00:44:20Z", "interval": "OND" }, "crests": { "historic": [ { "occurredTime": "1937-01-27T17:00:00Z", "stage": 74.21, "flow": 690000, "preliminary": "R", "olddatum": false }, { "occurredTime": "1913-03-31T00:00:00Z", "stage": 70.6, "flow": 669000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1888-02-12T00:00:00Z", "stage": 69.3, "flow": 620000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1948-04-17T08:00:00Z", "stage": 65.9, "flow": 589000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1945-03-09T18:00:00Z", "stage": 64.45, "flow": 531000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1943-01-02T12:00:00Z", "stage": 64, "flow": 587000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1955-03-08T17:00:00Z", "stage": 63.83, "flow": 576000, "preliminary": "O", 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57.35, "flow": 465000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1950-02-04T01:00:00Z", "stage": 61, "flow": 528000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1949-01-30T10:00:00Z", "stage": 51.6, "flow": 382000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1948-04-17T08:00:00Z", "stage": 65.9, "flow": 589000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1948-02-16T22:00:00Z", "stage": 55.3, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1946-01-10T12:00:00Z", "stage": 51.2, "flow": 413000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1945-03-09T18:00:00Z", "stage": 64.45, "flow": 531000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1945-03-04T14:00:00Z", "stage": 59.64, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1943-04-23T12:00:00Z", "stage": 57, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1943-04-22T00:00:00Z", "stage": 52.7, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1943-01-02T12:00:00Z", "stage": 64, "flow": 587000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1940-04-24T01:00:00Z", "stage": 61, "flow": 510000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1939-04-19T01:00:00Z", "stage": 55.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1939-02-05T21:00:00Z", "stage": 61.2, "flow": 544000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1937-01-27T17:00:00Z", "stage": 74.21, "flow": 690000, "preliminary": "R", "olddatum": false }, { "occurredTime": "1936-04-08T15:00:00Z", "stage": 54.2, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1936-03-23T13:00:00Z", "stage": 63.3, "flow": 582000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1935-03-15T02:00:00Z", "stage": 54.5, "flow": 441000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1933-03-21T00:00:00Z", "stage": 62.1, "flow": 524000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1932-02-01T08:00:00Z", "stage": 51.2, "flow": 402000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1929-03-03T00:00:00Z", "stage": 53.6, "flow": 408000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1927-12-19T00:00:00Z", "stage": 53.6, "flow": 421000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1927-01-25T00:00:00Z", "stage": 59.3, "flow": 493000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1924-05-16T12:00:00Z", "stage": 53.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1924-04-02T15:00:00Z", "stage": 52.8, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1924-01-05T21:00:00Z", "stage": 57.1, "flow": 472000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1922-03-17T00:00:00Z", "stage": 51.5, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1921-12-26T17:30:00Z", "stage": 54.8, "flow": 425000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1920-03-21T00:00:00Z", "stage": 55.8, "flow": 460000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1920-01-25T00:00:00Z", "stage": 51.1, "flow": 0, "preliminary": "O", "olddatum": false }, { "occurredTime": "1919-01-04T00:00:00Z", "stage": 55.1, "flow": 430000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1918-03-16T00:00:00Z", "stage": 54.6, "flow": 430000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1917-03-16T00:00:00Z", "stage": 56.6, "flow": 450000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1913-03-31T00:00:00Z", "stage": 70.6, "flow": 669000, "preliminary": "O", "olddatum": false }, { "occurredTime": "1888-02-12T00:00:00Z", "stage": 69.3, "flow": 620000, "preliminary": "O", "olddatum": false } ] }, "lowWaters": { "historic": [ { "occurredTime": "1922-10-27T00:00:00Z", "stage": 1.4, "flow": -9999, "statement": "Artificial stages produced by manipulation of dams." }, { "occurredTime": "1920-10-20T00:00:00Z", "stage": 1.6, "flow": -9999, "statement": "Artificial stages produced by manipulation of dams." }, { "occurredTime": "1895-10-01T00:00:00Z", "stage": 1.7, "flow": -9999, "statement": "Reading from low water mark. Day is unknown." } ] }, "impacts": [ { "stage": 66.5, "statement": "CSX Railroad closed in east end of Ashland near Catlettsburg KY." }, { "stage": 65.8, "statement": "River overtops the low point of the bank at the foot of Houston Street in Russell and flows overland to Ganners Branch." }, { "stage": 65.5, "statement": "US Routes 23 and 60 floods in the east end of Ashland. US Route 23 one quarter of a mile west of Ashland floods." }, { "stage": 64.5, "statement": "CSX Railroad closed in Russell." }, { "stage": 63, "statement": "US Route 60 floods in Catlettsburg." }, { "stage": 60, "statement": "The flood gate at Oakland Avenue in Catlettsburg is closed." }, { "stage": 56.6, "statement": "General flooding of areas around Ashland outside of the flood wall." }, { "stage": 56, "statement": "The flood gate in Catlettsburg at 26th and Front Street is closed." }, { "stage": 55.5, "statement": "KY Route 3 floods in Catlettsburg." }, { "stage": 52, "statement": "Minor flooding of roads in low lying areas begin to flood due to backwater from creeks." }, { "stage": 50, "statement": "Catlettsburg flood gate at 15th and Center Street is closed." } ] }, "images": { "probability": { "weekint": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/ASHK2.SSTG.prob.weekint.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/ASHK2.QINE.prob.weekint.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/ASHK2.volume.prob.weekint.gif" }, "entperiod": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/ASHK2.SSTG.exceed.90day.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/ASHK2.QINE.exceed.90day.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/ASHK2.volume.exceed.90day.gif" }, "shortrange": "https://water.noaa.gov/resources/probabilistic/short_term/ASHK2.shortrange.hefs.png" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/ashk2_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/ashk2_record.png" }, "photos": [ { "id": "1545982312522453486", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.4811922, -82.6365497 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/ashk2/1545982312522453486.png", "caption": "Downstream view" } }, { "id": "1594797798412259822", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.4811922, -82.6365497 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/ashk2/1594797798412259822.png", "caption": "View of gage house" } }, { "id": "1623587887615316462", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.4811922, -82.6365497 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/ashk2/1623587887615316462.png", "caption": "View of staff gage" } }, { "id": "9914984877738496494", "type": "Feature", "geometry": { "type": "Point", "coordinates": [ 38.4811922, -82.6365497 ] }, "properties": { "image": "https://water.noaa.gov/resources/photos/ashk2/9914984877738496494.png", "caption": "Upstream view" } } ] }, "dataAttribution": [ { "abbrev": "US Geological Survey", "text": "USGS--Water Resources of the United States", "title": "US Geological Survey", "url": "https://waterdata.usgs.gov/monitoring-location/03216000" }, { "abbrev": "USGS", "text": "03216000", "title": "Observations courtesy of U.S. Geological Survey", "url": "https://waterdata.usgs.gov/nwis/inventory/?site_no=03216000" } ], "impactsLowWaters": [], "normalThreshold": null, "hydronotes": [ { "statement": "River Forecasts typically include ONLY 2 days of future rain from forecast issuance time (lower right of graph). Occasionally 3 days of future rain included.", "effective": "0101", "expiration": "1231" } ], "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": 480.41 }, { "label": "National Geodetic Vertical Datum of 1929", "abbrev": "NGVD29", "description": "A fixed reference adopted as a standard geodetic datum for elevations determined by leveling. The datum was derived for surveys from a general adjustment of the first-order leveling nets of both the United States and Canada. In the adjustment, mean sea level was held fixed as observed at 21 tide stations in the United States and 5 in Canada. The year indicates the time of the general adjustment. A synonym for Sea-level Datum of 1929. The geodetic datum is fixed and does not take into account the changing stands of sea level. Because there are many variables affecting sea level, and because the geodetic datum represents a best fit over a broad area, the relationship between the geodetic datum and local mean sea level is not consistent from one location to another in either time or space. For this reason, the National Geodetic Vertical Datum should not be confused with mean sea level. See North American Vertical Datum of 1988 (NAVD 88). NGVD 29 should not be used as Mean Sea Level. NGVD 29 is no longer supported by NGS.", "value": 481.03 } ] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "HNTW2", "downstreamLid": "IROO1", "inService": { "enabled": true, "message": "" }, "lowThreshold": null, "forecastReliability": "Forecasts are issued routinely year-round.", "TruncateObs": "-1", "TruncateFcst": "5", "ObservedFloodCategory": "no_flooding", "ForecastFloodCategory": "no_flooding" }