{ "lid": "ONDN6", "usgsId": "04239000", "reachId": "21979277", "name": "Onondaga Creek near Nedrow", "description": "", "rfc": { "abbreviation": "NERFC", "name": "Northeast River Forecast Center" }, "wfo": { "abbreviation": "BGM", "name": "Johnson City" }, "state": { "abbreviation": "NY", "name": "New York" }, "county": "Onondaga", "timeZone": "EST5EDT", "latitude": 42.983333333333, "longitude": -76.151111111111, "pedts": { "observed": "HGIRG", "forecast": "HGIFF" }, "status": { "observed": { "primary": 1.61, "primaryUnit": "ft", "secondary": 0.0311, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-11-08T10:30:00Z" }, "forecast": { "primary": 1.7, "primaryUnit": "ft", "secondary": 0.042, "secondaryUnit": "kcfs", "floodCategory": "no_flooding", "validTime": "2026-11-10T00:00:00Z" } }, "flood": { "stageUnits": "ft", "flowUnits": "cfs", "categories": { "major": { "stage": 6, "flow": 2640 }, "moderate": { "stage": 5.5, "flow": 2070 }, "minor": { "stage": 5, "flow": 1580 }, "action": { "stage": 4.5, "flow": -9999 } }, "lro": { "minorCS": "< 0.05", "moderateCS": "< 0.05", "majorCS": "< 0.05", "producedTime": "2026-11-02T11:33:05Z", "interval": "NDJ" }, "crests": { "historic": [ { "occurredTime": "1974-07-03T00:00:00Z", "stage": 6.48, "flow": 3260, "preliminary": "R", "olddatum": false }, { "occurredTime": "1981-10-28T00:00:00Z", "stage": 6.26, "flow": 2960, "preliminary": "O", "olddatum": false }, { "occurredTime": "1972-06-23T00:00:00Z", "stage": 6.12, "flow": 3200, "preliminary": "O", "olddatum": false }, { "occurredTime": "2022-02-20T11:30:00Z", "stage": 5.97, "flow": 2605, "preliminary": "O", "olddatum": false }, { "occurredTime": "2021-10-26T23:16:00Z", "stage": 5.8, "flow": 2404, "preliminary": "O", "olddatum": false }, { "occurredTime": "1996-01-19T00:00:00Z", "stage": 5.59, "flow": 2170, "preliminary": "O", "olddatum": false }, { "occurredTime": "1976-04-16T00:00:00Z", "stage": 5.52, "flow": 2100, "preliminary": "O", "olddatum": false }, { "occurredTime": "1979-03-06T00:00:00Z", "stage": 5.49, "flow": 2140, "preliminary": "O", "olddatum": false }, { "occurredTime": "1975-09-26T00:00:00Z", "stage": 5.44, "flow": 1990, "preliminary": "O", "olddatum": false }, { "occurredTime": "1984-02-15T00:00:00Z", "stage": 5.29, "flow": 1890, "preliminary": "O", "olddatum": false }, { "occurredTime": "1977-10-17T00:00:00Z", "stage": 5.28, "flow": 1980, "preliminary": "O", "olddatum": false }, { "occurredTime": "2014-03-30T00:00:00Z", "stage": 5.21, "flow": 1770, "preliminary": "O", "olddatum": false }, { "occurredTime": "2005-04-03T00:00:00Z", "stage": 5.16, "flow": 1730, "preliminary": "O", "olddatum": false }, { "occurredTime": "1961-02-25T00:00:00Z", "stage": 5.11, "flow": 1980, "preliminary": "O", "olddatum": false }, { "occurredTime": "2007-03-14T00:00:00Z", "stage": 5.09, "flow": 1660, "preliminary": "O", "olddatum": false }, { "occurredTime": "2021-10-16T20:46:00Z", "stage": 5.07, "flow": 1642, "preliminary": "O", "olddatum": false }, { "occurredTime": "1960-03-31T00:00:00Z", "stage": 5.06, "flow": 2130, "preliminary": "O", "olddatum": false }, { "occurredTime": "1980-03-22T00:00:00Z", "stage": 5, "flow": 1570, "preliminary": "O", "olddatum": false } ], "recent": [ { "occurredTime": "2022-02-20T11:30:00Z", "stage": 5.97, "flow": 2605, "preliminary": "O", "olddatum": false }, { "occurredTime": "2021-10-26T23:16:00Z", "stage": 5.8, "flow": 2404, "preliminary": "O", "olddatum": false }, { "occurredTime": "2021-10-16T20:46:00Z", "stage": 5.07, "flow": 1642, "preliminary": "O", "olddatum": false }, { "occurredTime": "2014-03-30T00:00:00Z", "stage": 5.21, "flow": 1770, "preliminary": "O", "olddatum": false }, { "occurredTime": "2007-03-14T00:00:00Z", "stage": 5.09, "flow": 1660, "preliminary": "O", "olddatum": false }, { "occurredTime": "2005-04-03T00:00:00Z", "stage": 5.16, "flow": 1730, "preliminary": "O", "olddatum": false }, { "occurredTime": "1996-01-19T00:00:00Z", "stage": 5.59, "flow": 2170, "preliminary": "O", "olddatum": false }, { "occurredTime": "1984-02-15T00:00:00Z", "stage": 5.29, "flow": 1890, "preliminary": "O", "olddatum": false }, { "occurredTime": "1981-10-28T00:00:00Z", "stage": 6.26, "flow": 2960, "preliminary": "O", "olddatum": false }, { "occurredTime": "1980-03-22T00:00:00Z", "stage": 5, "flow": 1570, "preliminary": "O", "olddatum": false }, { "occurredTime": "1979-03-06T00:00:00Z", "stage": 5.49, "flow": 2140, "preliminary": "O", "olddatum": false }, { "occurredTime": "1977-10-17T00:00:00Z", "stage": 5.28, "flow": 1980, "preliminary": "O", "olddatum": false }, { "occurredTime": "1976-04-16T00:00:00Z", "stage": 5.52, "flow": 2100, "preliminary": "O", "olddatum": false }, { "occurredTime": "1975-09-26T00:00:00Z", "stage": 5.44, "flow": 1990, "preliminary": "O", "olddatum": false }, { "occurredTime": "1974-07-03T00:00:00Z", "stage": 6.48, "flow": 3260, "preliminary": "R", "olddatum": false }, { "occurredTime": "1972-06-23T00:00:00Z", "stage": 6.12, "flow": 3200, "preliminary": "O", "olddatum": false }, { "occurredTime": "1961-02-25T00:00:00Z", "stage": 5.11, "flow": 1980, "preliminary": "O", "olddatum": false }, { "occurredTime": "1960-03-31T00:00:00Z", "stage": 5.06, "flow": 2130, "preliminary": "O", "olddatum": false } ] }, "lowWaters": { "historic": [] }, "impacts": [ { "stage": 6, "statement": "Several neighborhoods bounded by Onondaga Avenue, S. Salina Street and W. Kennedy Street, northward to the Inner Harbor in Syracuse are flooded above this level. Flooding inundates Meacham Parkway, Meacham Field and some neighborhods in Nedrow south of Dorwin Avenue." }, { "stage": 5.5, "statement": "Flooding becomes more serious in many neighborhoods between S. Salina Street and Onondaga Ave., north of W. Castle Street in the City of Syracuse. Lower Onondaga Park and the Creekwalk are closed." }, { "stage": 5, "statement": "Flooding begins to affect Kirk Park and neighborhoods along Marginal St., Hovey St., Midland Ave., and W. Onondaga St in the City of Syracuse." } ] }, "images": { "probability": { "weekint": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/ONDN6.SSTG.prob.weekint.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/ONDN6.QINE.prob.weekint.gif", "volume": "https://water.noaa.gov/resources/probabilistic/exceedance/ONDN6.volume.prob.weekint.gif" }, "entperiod": { "stage": "https://water.noaa.gov/resources/probabilistic/exceedance/ONDN6.SSTG.exceed.90day.gif", "flow": "https://water.noaa.gov/resources/probabilistic/exceedance/ONDN6.QINE.exceed.90day.gif", "volume": "" }, "shortrange": "https://water.noaa.gov/resources/probabilistic/short_term/ONDN6.shortrange.hefs.png" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/ondn6_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/ondn6_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": "04239000", "title": "Observations courtesy of U.S. Geological Survey", "url": "https://waterdata.usgs.gov/nwis/inventory/?site_no=04239000" } ], "impactsLowWaters": [], "normalThreshold": { "value": 0, "units": "ft" }, "hydronotes": [ { "statement": "Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.", "effective": "1215", "expiration": "0301" } ], "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": 413.61 } ] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "", "downstreamLid": "LVRN6", "inService": { "enabled": true, "message": "" }, "lowThreshold": null, "forecastReliability": "Forecasts are issued routinely year-round.", "TruncateObs": "-1", "TruncateFcst": "3", "ObservedFloodCategory": "no_flooding", "ForecastFloodCategory": "no_flooding" }