Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 

Web Portal Changes:

  • AHPS - water.weather.gov- Scheduled operations ends on Tuesday, May 28th, 2024
  • Please see water.noaa.gov/Bookmark it NOW!  The pages will automatically redirect to water.noaa.gov until May 28, 2025.
  • To go to a specific gauge location  - use water.noaa.gov/gauges/NWSLI - where NWSLI is the five character ID of your favorite location.
  • Other Important URL changes - Service Change Notice 24-29 

Please visit https://www.weather.gov/owp/operations for more information.



Hydrograph River at a Glance Download
Carneros Creek at Old Sonoma Road Stage (ft)Observed: 0.37 ft at 12:15PM May 15, 2024Observed: 0.32 ft at 12:40PM May 15, 2024Observed: 0.27 ft at 1:10PM May 15, 2024Observed: 0.32 ft at 3:20PM May 15, 2024Observed: 0.42 ft at 7:30PM May 15, 2024Observed: 0.47 ft at 8:00PM May 15, 2024Highest Observation: 0.52 ft at 8:45PM May 15, 2024Highest Observation: 0.52 ft at 1:10AM May 16, 2024Observed: 0.47 ft at 9:20AM May 16, 2024Observed: 0.42 ft at 10:10AM May 16, 2024Observed: 0.31 ft at 1:10PM May 16, 2024Observed: 0.26 ft at 1:45PM May 16, 2024Observed: 0.26 ft at 1:50PM May 16, 2024Observed: 0.31 ft at 3:20PM May 16, 2024Observed: 0.36 ft at 3:30PM May 16, 2024Observed: 0.41 ft at 6:44PM May 16, 2024Observed: 0.41 ft at 6:45PM May 16, 2024Observed: 0.46 ft at 7:25PM May 16, 2024Observed: 0.51 ft at 7:55PM May 16, 2024Observed: 0.46 ft at 8:48AM May 17, 2024Observed: 0.47 ft at 8:50AM May 17, 2024Observed: 0.41 ft at 9:30AM May 17, 2024Observed: 0.37 ft at 12:36PM May 17, 2024Observed: 0.37 ft at 12:40PM May 17, 2024Observed: 0.32 ft at 1:00PM May 17, 2024Observed: 0.3 ft at 1:09PM May 17, 2024Observed: 0.3 ft at 1:10PM May 17, 2024Observed: 0.25 ft at 2:00PM May 17, 2024Observed: 0.3 ft at 3:25PM May 17, 2024Observed: 0.35 ft at 3:49PM May 17, 2024Observed: 0.35 ft at 3:50PM May 17, 2024Observed: 0.5 ft at 8:43PM May 17, 2024Observed: 0.5 ft at 8:45PM May 17, 2024Observed: 0.42 ft at 9:45AM May 18, 2024Observed: 0.38 ft at 1:10PM May 18, 2024Observed: 0.33 ft at 1:35PM May 18, 2024Observed: 0.28 ft at 2:02PM May 18, 2024Observed: 0.28 ft at 2:05PM May 18, 2024Observed: 0.33 ft at 3:25PM May 18, 2024Observed: 0.38 ft at 3:50PM May 18, 2024Observed: 0.43 ft at 6:35PM May 18, 2024Observed: 0.48 ft at 7:10PM May 18, 2024Observed: 0.48 ft at 7:15PM May 18, 2024Observed: 0.35 ft at 1:10PM May 19, 2024Observed: 0.3 ft at 1:45PM May 19, 2024Observed: 0.25 ft at 2:25PM May 19, 2024Observed: 0.25 ft at 2:30PM May 19, 2024Observed: 0.3 ft at 3:23PM May 19, 2024Observed: 0.3 ft at 3:25PM May 19, 2024Observed: 0.35 ft at 4:00PM May 19, 2024Observed: 0.4 ft at 7:15PM May 19, 2024Observed: 0.45 ft at 7:48PM May 19, 2024Observed: 0.45 ft at 7:50PM May 19, 2024Observed: 0.5 ft at 8:30PM May 19, 2024Observed: 0.49 ft at 1:10AM May 20, 2024CCJC1(plotting HGIRR) Graph Created (2:45AM May 20, 2024)ObservedLatest observed value: 0.49 ft at 1:10 AM PDT 20-May-2024. Flood Stage is 19.5 ft
Printable Image
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.
Return to Area Map
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  
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
San Francisco Bay Area Weather Forecast Office
21 Grace Hopper Ave, Stop 5
Monterey, CA 93943-5505
(831) 656-1725
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:27 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities