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Hydrograph River at a Glance Download
Carneros Creek at Old Sonoma Road Stage (ft)Observed: 0.52 ft at 9:35AM Apr 20, 2024Observed: 0.46 ft at 10:27AM Apr 20, 2024Observed: 0.46 ft at 10:30AM Apr 20, 2024Observed: 0.41 ft at 12:59PM Apr 20, 2024Observed: 0.41 ft at 1:00PM Apr 20, 2024Observed: 0.34 ft at 1:40PM Apr 20, 2024Observed: 0.29 ft at 2:30PM Apr 20, 2024Observed: 0.34 ft at 3:50PM Apr 20, 2024Observed: 0.4 ft at 4:00PM Apr 20, 2024Observed: 0.49 ft at 7:40PM Apr 20, 2024Observed: 0.55 ft at 8:20PM Apr 20, 2024Highest Observation: 0.56 ft at 1:08AM Apr 21, 2024Highest Observation: 0.56 ft at 1:10AM Apr 21, 2024Observed: 0.51 ft at 7:31AM Apr 21, 2024Observed: 0.52 ft at 7:35AM Apr 21, 2024Observed: 0.47 ft at 8:00AM Apr 21, 2024Observed: 0.41 ft at 12:00PM Apr 21, 2024Observed: 0.32 ft at 1:10PM Apr 21, 2024Observed: 0.37 ft at 3:55PM Apr 21, 2024Observed: 0.42 ft at 9:15PM Apr 21, 2024Observed: 0.47 ft at 10:30PM Apr 21, 2024Observed: 0.52 ft at 1:10AM Apr 22, 2024Observed: 0.47 ft at 7:55AM Apr 22, 2024Observed: 0.37 ft at 9:35AM Apr 22, 2024Observed: 0.32 ft at 10:32AM Apr 22, 2024Observed: 0.32 ft at 10:35AM Apr 22, 2024Observed: 0.3 ft at 1:10PM Apr 22, 2024Observed: 0.35 ft at 3:43PM Apr 22, 2024Observed: 0.35 ft at 3:45PM Apr 22, 2024Observed: 0.45 ft at 8:30PM Apr 22, 2024Observed: 0.5 ft at 9:05PM Apr 22, 2024Observed: 0.55 ft at 10:15PM Apr 22, 2024Observed: 0.55 ft at 10:20PM Apr 22, 2024Highest Observation: 0.56 ft at 1:10AM Apr 23, 2024Observed: 0.51 ft at 9:00AM Apr 23, 2024Observed: 0.43 ft at 1:10PM Apr 23, 2024Observed: 0.38 ft at 3:08PM Apr 23, 2024Observed: 0.38 ft at 3:10PM Apr 23, 2024Observed: 0.48 ft at 4:25PM Apr 23, 2024Observed: 0.53 ft at 5:40PM Apr 23, 2024Observed: 0.55 ft at 1:10AM Apr 24, 2024Observed: 0.5 ft at 8:25AM Apr 24, 2024Observed: 0.45 ft at 9:54AM Apr 24, 2024Observed: 0.45 ft at 9:55AM Apr 24, 2024Observed: 0.44 ft at 1:10PM Apr 24, 2024Observed: 0.49 ft at 2:30PM Apr 24, 2024Observed: 0.54 ft at 2:55PM Apr 24, 2024Observed: 0.44 ft at 3:30PM Apr 24, 2024Observed: 0.49 ft at 4:30PM Apr 24, 2024Observed: 0.49 ft at 4:35PM Apr 24, 2024Observed: 0.54 ft at 1:10AM Apr 25, 2024CCJC1(plotting HGIRR) Graph Created (6:15AM Apr 25, 2024)ObservedLatest observed value: 0.54 ft at 1:10 AM PDT 25-Apr-2024. Flood Stage is 19.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
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
KML Image
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
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.
About This Location Collapse

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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