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Hydrograph River at a Glance Download
Carneros Creek at Old Sonoma Road Stage (ft)Observed: 0.55 ft at 9:32AM Jan 28, 2023Observed: 0.56 ft at 9:35AM Jan 28, 2023Observed: 0.5 ft at 10:27AM Jan 28, 2023Observed: 0.51 ft at 10:30AM Jan 28, 2023Observed: 0.59 ft at 5:03PM Jan 28, 2023Observed: 0.59 ft at 5:05PM Jan 28, 2023Highest Observation: 0.64 ft at 5:53PM Jan 28, 2023Highest Observation: 0.64 ft at 5:55PM Jan 28, 2023Observed: 0.59 ft at 10:50PM Jan 28, 2023Observed: 0.59 ft at 10:55PM Jan 28, 2023Observed: 0.54 ft at 11:55PM Jan 28, 2023Observed: 0.54 ft at 12:00AM Jan 29, 2023Observed: 0.54 ft at 12:01AM Jan 29, 2023Observed: 0.54 ft at 12:05AM Jan 29, 2023Observed: 0.59 ft at 1:31AM Jan 29, 2023Observed: 0.59 ft at 1:35AM Jan 29, 2023Observed: 0.59 ft at 2:44AM Jan 29, 2023Observed: 0.59 ft at 2:45AM Jan 29, 2023Highest Observation: 0.64 ft at 3:19AM Jan 29, 2023Highest Observation: 0.64 ft at 3:20AM Jan 29, 2023Observed: 0.59 ft at 6:58AM Jan 29, 2023Observed: 0.59 ft at 7:00AM Jan 29, 2023Observed: 0.54 ft at 7:51AM Jan 29, 2023Observed: 0.54 ft at 7:55AM Jan 29, 2023Observed: 0.54 ft at 12:01PM Jan 29, 2023Observed: 0.54 ft at 12:05PM Jan 29, 2023Observed: 0.59 ft at 2:06PM Jan 29, 2023Observed: 0.59 ft at 2:10PM Jan 29, 2023Observed: 0.55 ft at 2:41PM Jan 29, 2023Observed: 0.55 ft at 2:45PM Jan 29, 2023Observed: 0.63 ft at 12:01AM Jan 30, 2023Observed: 0.63 ft at 12:05AM Jan 30, 2023Observed: 0.57 ft at 8:53AM Jan 30, 2023Observed: 0.58 ft at 8:55AM Jan 30, 2023Observed: 0.53 ft at 9:25AM Jan 30, 2023Observed: 0.53 ft at 9:30AM Jan 30, 2023Observed: 0.52 ft at 12:01PM Jan 30, 2023Observed: 0.52 ft at 12:05PM Jan 30, 2023Observed: 0.56 ft at 3:22PM Jan 30, 2023Observed: 0.57 ft at 3:25PM Jan 30, 2023Observed: 0.62 ft at 4:19PM Jan 30, 2023Observed: 0.62 ft at 4:20PM Jan 30, 2023Observed: 0.62 ft at 11:22PM Jan 30, 2023Observed: 0.62 ft at 11:25PM Jan 30, 2023Observed: 0.63 ft at 12:01AM Jan 31, 2023Observed: 0.63 ft at 12:05AM Jan 31, 2023Observed: 0.53 ft at 8:39AM Jan 31, 2023Observed: 0.53 ft at 8:40AM Jan 31, 2023Observed: 0.48 ft at 8:54AM Jan 31, 2023Observed: 0.48 ft at 8:55AM Jan 31, 2023Observed: 0.48 ft at 12:01PM Jan 31, 2023Observed: 0.48 ft at 12:05PM Jan 31, 2023Observed: 0.53 ft at 3:12PM Jan 31, 2023Observed: 0.53 ft at 3:15PM Jan 31, 2023Observed: 0.57 ft at 4:30PM Jan 31, 2023Observed: 0.58 ft at 4:35PM Jan 31, 2023Observed: 0.63 ft at 5:14PM Jan 31, 2023Observed: 0.63 ft at 5:15PM Jan 31, 2023Observed: 0.63 ft at 12:01AM Feb 01, 2023Observed: 0.63 ft at 12:05AM Feb 01, 2023Observed: 0.57 ft at 8:21AM Feb 01, 2023Observed: 0.58 ft at 8:25AM Feb 01, 2023Observed: 0.53 ft at 8:40AM Feb 01, 2023Observed: 0.53 ft at 8:45AM Feb 01, 2023Observed: 0.48 ft at 8:56AM Feb 01, 2023Observed: 0.48 ft at 9:00AM Feb 01, 2023Observed: 0.48 ft at 12:01PM Feb 01, 2023Observed: 0.48 ft at 12:05PM Feb 01, 2023Observed: 0.53 ft at 3:31PM Feb 01, 2023Observed: 0.53 ft at 3:35PM Feb 01, 2023Observed: 0.57 ft at 4:40PM Feb 01, 2023Observed: 0.58 ft at 4:45PM Feb 01, 2023Observed: 0.63 ft at 6:48PM Feb 01, 2023Observed: 0.63 ft at 6:50PM Feb 01, 2023Highest Observation: 0.64 ft at 12:01AM Feb 02, 2023Highest Observation: 0.64 ft at 12:05AM Feb 02, 2023Observed: 0.59 ft at 6:06AM Feb 02, 2023Observed: 0.59 ft at 6:10AM Feb 02, 2023Observed: 0.54 ft at 8:28AM Feb 02, 2023Observed: 0.54 ft at 8:30AM Feb 02, 2023Observed: 0.49 ft at 8:43AM Feb 02, 2023Observed: 0.49 ft at 8:45AM Feb 02, 2023CCJC1(plotting HGIRR) Graph Created (9:00AM Feb 2, 2023)ObservedLatest observed value: 0.49 ft at 8:45 AM PST 2-Feb-2023. Flood Stage is 19.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Graphical forecasts are not available for the Carneros Creek at Old Sonoma Road. During times of high water, forecast crest information can be found in the text products.
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Flood Categories (in feet)
Major Flood Stage: 28
Moderate Flood Stage: 25
Flood Stage: 19.5
Action Stage: 17.5
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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28 Major Flood Stage. Water is 3 feet deep on floodplain. Major roadway flooding in the area, including Highway 12/121.
25 Moderate Flood Stage. Flood waters are on the floodplain. Old Sonoma Road flooded. Old Sonoma Highway and Highway 12/121 likely flooded or in jeopardy just downstream.
19.5 Minor Flood Stage. Backwatering begins at Old Sonoma Road bridge. Water level is reaching elevation of bridge, with possible overflow. NWS will issue a Flash Flood Warning if not yet already issued.
17.5 Monitor Stage. Water is 2 feet below backwatering at Old Sonoma Road bridge. NWS will issue a Flash Flood Watch if not already issued.
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Latitude: 38.256667° N, Longitude: 122.340278° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 19.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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Page last modified: 2-Nov-2020 7:27 PM
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