{ "lid": "BBSM2", "usgsId": "0148471320", "reachId": "8410499", "name": "Birch Branch at BIRCH BRANCH AT SHOWELL", "description": "", "rfc": { "abbreviation": "MARFC", "name": "Middle Atlantic River Forecast Center" }, "wfo": { "abbreviation": "AKQ", "name": "Wakefield" }, "state": { "abbreviation": "MD", "name": "Maryland" }, "county": "Worcester", "timeZone": "EST5EDT", "latitude": 38.409444444444, "longitude": -75.2125, "pedts": { "observed": "HGIRG", "forecast": "HGIFE" }, "status": { "observed": { "primary": 3.36, "primaryUnit": "ft", "secondary": -999, "secondaryUnit": "kcfs", "floodCategory": "not_defined", "validTime": "2026-10-24T19:45:00Z" }, "forecast": { "primary": -999, "primaryUnit": "", "secondary": -999, "secondaryUnit": "", "floodCategory": "fcst_not_current", "validTime": "0001-01-01T00:00:00Z" } }, "flood": { "stageUnits": "ft", "flowUnits": "cfs", "categories": { "major": { "stage": -9999, "flow": -9999 }, "moderate": { "stage": -9999, "flow": -9999 }, "minor": { "stage": -9999, "flow": -9999 }, "action": { "stage": -9999, "flow": -9999 } }, "lro": null, "crests": { "historic": [ { "occurredTime": "2012-08-26T01:00:00Z", "stage": 10.66, "flow": 1370, "preliminary": "O", "olddatum": false }, { "occurredTime": "2017-08-12T12:00:00Z", "stage": 10.18, "flow": 1290, "preliminary": "O", "olddatum": false }, { "occurredTime": "2012-10-29T18:30:00Z", "stage": 10.16, "flow": 1040, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-08-01T21:15:00Z", "stage": 9.99, "flow": 1250, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-12-05T07:00:00Z", "stage": 9.97, "flow": 1120, "preliminary": "O", "olddatum": false }, { "occurredTime": "2023-07-16T17:15:00Z", "stage": 9.67, "flow": 1010, "preliminary": "O", "olddatum": false }, { "occurredTime": "2023-12-18T07:45:00Z", "stage": 9.66, "flow": 998, "preliminary": "P", "olddatum": false }, { "occurredTime": "2016-09-29T19:15:00Z", "stage": 9.63, "flow": 738, "preliminary": "O", "olddatum": false }, { "occurredTime": "2009-11-12T21:15:00Z", "stage": 9.5, "flow": 944, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-05-18T15:00:00Z", "stage": 9.46, "flow": 782, "preliminary": "O", "olddatum": false }, { "occurredTime": "2000-03-22T01:15:00Z", "stage": 9.38, "flow": 563, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-10-12T03:00:00Z", "stage": 9.3, "flow": 698, "preliminary": "O", "olddatum": false }, { "occurredTime": "2024-01-10T01:45:00Z", "stage": 9.26, "flow": 754, "preliminary": "P", "olddatum": false }, { "occurredTime": "2008-12-12T02:45:00Z", "stage": 9.18, "flow": 780, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-03-06T19:30:00Z", "stage": 9.15, "flow": 561, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-12-16T23:15:00Z", "stage": 9.14, "flow": 615, "preliminary": "O", "olddatum": false }, { "occurredTime": "2011-08-28T03:30:00Z", "stage": 9.07, "flow": 729, "preliminary": "O", "olddatum": false }, { "occurredTime": "2003-12-14T17:00:00Z", "stage": 9.04, "flow": 715, "preliminary": "O", "olddatum": false }, { "occurredTime": "2001-03-21T17:45:00Z", "stage": 8.98, "flow": 203, "preliminary": "O", "olddatum": false }, { "occurredTime": "2005-04-02T18:45:00Z", "stage": 8.89, "flow": 649, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-11-12T10:00:00Z", "stage": 8.88, "flow": 512, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-01-24T16:45:00Z", "stage": 8.69, "flow": 451, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-02-08T19:30:00Z", "stage": 8.59, "flow": 406, "preliminary": "O", "olddatum": false }, { "occurredTime": "2006-11-12T22:00:00Z", "stage": 8.54, "flow": 513, "preliminary": "O", "olddatum": false }, { "occurredTime": "2003-04-11T04:00:00Z", "stage": 8.5, "flow": 498, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-03-04T02:30:00Z", "stage": 8.43, "flow": 380, "preliminary": "O", "olddatum": false }, { "occurredTime": "2022-12-15T23:30:00Z", "stage": 8.27, "flow": 347, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-11-09T21:00:00Z", "stage": 8.22, "flow": 330, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-07-10T15:45:00Z", "stage": 8.21, "flow": 327, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-11-15T23:00:00Z", "stage": 8.11, "flow": 304, "preliminary": "O", "olddatum": false }, { "occurredTime": "2015-01-24T08:45:00Z", "stage": 8.05, "flow": 244, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-01-20T11:15:00Z", "stage": 8.02, "flow": 286, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-06-09T19:30:00Z", "stage": 8.01, "flow": 284, "preliminary": "O", "olddatum": false }, { "occurredTime": "2002-09-01T16:15:00Z", "stage": 7.73, "flow": 250, "preliminary": "O", "olddatum": false }, { "occurredTime": "2008-05-12T20:45:00Z", "stage": 7.61, "flow": 217, "preliminary": "O", "olddatum": false }, { "occurredTime": "2006-09-01T22:00:00Z", "stage": 7.48, "flow": 185, "preliminary": "O", "olddatum": false } ], "recent": [ { "occurredTime": "2024-01-10T01:45:00Z", "stage": 9.26, "flow": 754, "preliminary": "P", "olddatum": false }, { "occurredTime": "2023-12-18T07:45:00Z", "stage": 9.66, "flow": 998, "preliminary": "P", "olddatum": false }, { "occurredTime": "2023-07-16T17:15:00Z", "stage": 9.67, "flow": 1010, "preliminary": "O", "olddatum": false }, { "occurredTime": "2022-12-15T23:30:00Z", "stage": 8.27, "flow": 347, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-12-16T23:15:00Z", "stage": 9.14, "flow": 615, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-12-05T07:00:00Z", "stage": 9.97, "flow": 1120, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-11-12T10:00:00Z", "stage": 8.88, "flow": 512, "preliminary": "O", "olddatum": false }, { "occurredTime": "2020-07-10T15:45:00Z", "stage": 8.21, "flow": 327, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-03-04T02:30:00Z", "stage": 8.43, "flow": 380, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-01-24T16:45:00Z", "stage": 8.69, "flow": 451, "preliminary": "O", "olddatum": false }, { "occurredTime": "2019-01-20T11:15:00Z", "stage": 8.02, "flow": 286, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-11-15T23:00:00Z", "stage": 8.11, "flow": 304, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-11-09T21:00:00Z", "stage": 8.22, "flow": 330, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-10-12T03:00:00Z", "stage": 9.3, "flow": 698, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-06-09T19:30:00Z", "stage": 8.01, "flow": 284, "preliminary": "O", "olddatum": false }, { "occurredTime": "2018-05-18T15:00:00Z", "stage": 9.46, "flow": 782, "preliminary": "O", "olddatum": false }, { "occurredTime": "2017-08-12T12:00:00Z", "stage": 10.18, "flow": 1290, "preliminary": "O", "olddatum": false }, { "occurredTime": "2016-09-29T19:15:00Z", "stage": 9.63, "flow": 738, "preliminary": "O", "olddatum": false }, { "occurredTime": "2015-01-24T08:45:00Z", "stage": 8.05, "flow": 244, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-08-01T21:15:00Z", "stage": 9.99, "flow": 1250, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-03-06T19:30:00Z", "stage": 9.15, "flow": 561, "preliminary": "O", "olddatum": false }, { "occurredTime": "2013-02-08T19:30:00Z", "stage": 8.59, "flow": 406, "preliminary": "O", "olddatum": false }, { "occurredTime": "2012-10-29T18:30:00Z", "stage": 10.16, "flow": 1040, "preliminary": "O", "olddatum": false }, { "occurredTime": "2012-08-26T01:00:00Z", "stage": 10.66, "flow": 1370, "preliminary": "O", "olddatum": false }, { "occurredTime": "2011-08-28T03:30:00Z", "stage": 9.07, "flow": 729, "preliminary": "O", "olddatum": false }, { "occurredTime": "2009-11-12T21:15:00Z", "stage": 9.5, "flow": 944, "preliminary": "O", "olddatum": false }, { "occurredTime": "2008-12-12T02:45:00Z", "stage": 9.18, "flow": 780, "preliminary": "O", "olddatum": false }, { "occurredTime": "2008-05-12T20:45:00Z", "stage": 7.61, "flow": 217, "preliminary": "O", "olddatum": false }, { "occurredTime": "2006-11-12T22:00:00Z", "stage": 8.54, "flow": 513, "preliminary": "O", "olddatum": false }, { "occurredTime": "2006-09-01T22:00:00Z", "stage": 7.48, "flow": 185, "preliminary": "O", "olddatum": false }, { "occurredTime": "2005-04-02T18:45:00Z", "stage": 8.89, "flow": 649, "preliminary": "O", "olddatum": false }, { "occurredTime": "2003-12-14T17:00:00Z", "stage": 9.04, "flow": 715, "preliminary": "O", "olddatum": false }, { "occurredTime": "2003-04-11T04:00:00Z", "stage": 8.5, "flow": 498, "preliminary": "O", "olddatum": false }, { "occurredTime": "2002-09-01T16:15:00Z", "stage": 7.73, "flow": 250, "preliminary": "O", "olddatum": false }, { "occurredTime": "2001-03-21T17:45:00Z", "stage": 8.98, "flow": 203, "preliminary": "O", "olddatum": false }, { "occurredTime": "2000-03-22T01:15:00Z", "stage": 9.38, "flow": 563, "preliminary": "O", "olddatum": false } ] }, "lowWaters": { "historic": [] }, "impacts": [ { "stage": 13, "statement": "Stage sensor operating limit." }, { "stage": 11.5, "statement": "Water begins to inundate the bridge crossing Brich Branch on US Highway 113." }, { "stage": 10.66, "statement": "Highest recorded water stage height 8/26/2012." } ] }, "images": { "probability": { "weekint": { "stage": "", "flow": "", "volume": "" }, "entperiod": { "stage": "", "flow": "", "volume": "" }, "shortrange": "" }, "hydrograph": { "default": "https://water.noaa.gov/resources/hydrographs/bbsm2_hg.png", "floodcat": "https://water.noaa.gov/resources/hydrographs/bbsm2_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": "0148471320", "title": "Observations courtesy of U.S. Geological Survey", "url": "https://waterdata.usgs.gov/nwis/inventory/?site_no=0148471320" } ], "impactsLowWaters": [], "normalThreshold": { "value": 0, "units": "ft" }, "hydronotes": [ { "statement": "Stage may be affected by ice.", "effective": "0101", "expiration": "0308" } ], "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": -0.84 } ] }, "horizontal": { "value": [] }, "notes": { "value": [] } }, "inundation": { "enabled": false, "url": "", "zeroDatum": null, "downloads": null, "siteSpecificInfo": "", "dataAttribution": [] }, "upstreamLid": "", "downstreamLid": "", "inService": { "enabled": true, "message": "" }, "lowThreshold": null, "forecastReliability": "Graphical forecasts are not available during times of high water, forecast crest information can be found in the local WFO web page.", "TruncateObs": "-1", "TruncateFcst": "2", "ObservedFloodCategory": "not_defined", "ForecastFloodCategory": "fcst_not_current" }