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Hydrograph River at a Glance Download
Colorado River (TX) at Winchell Stage (ft)Flow (kcfs)Highest Observation: 1.21 ft at 9:00PM Sep 12, 2019Highest Observation: 1.21 ft at 10:00PM Sep 12, 2019Highest Observation: 1.21 ft at 11:00PM Sep 12, 2019Highest Observation: 1.21 ft at 12:00AM Sep 13, 2019Highest Observation: 1.21 ft at 1:00AM Sep 13, 2019Highest Observation: 1.21 ft at 2:00AM Sep 13, 2019Highest Observation: 1.21 ft at 3:00AM Sep 13, 2019Highest Observation: 1.21 ft at 4:00AM Sep 13, 2019Highest Observation: 1.21 ft at 5:00AM Sep 13, 2019Highest Observation: 1.21 ft at 6:00AM Sep 13, 2019Highest Observation: 1.21 ft at 7:00AM Sep 13, 2019Highest Observation: 1.21 ft at 8:00AM Sep 13, 2019Highest Observation: 1.21 ft at 9:00AM Sep 13, 2019Highest Observation: 1.21 ft at 10:00AM Sep 13, 2019Highest Observation: 1.21 ft at 11:00AM Sep 13, 2019Highest Observation: 1.21 ft at 12:00PM Sep 13, 2019Highest Observation: 1.21 ft at 1:00PM Sep 13, 2019Highest Observation: 1.21 ft at 2:00PM Sep 13, 2019Highest Observation: 1.21 ft at 3:00PM Sep 13, 2019Highest Observation: 1.21 ft at 4:00PM Sep 13, 2019Observed: 1.2 ft at 5:00PM Sep 13, 2019Highest Observation: 1.21 ft at 6:00PM Sep 13, 2019Observed: 1.2 ft at 7:00PM Sep 13, 2019Highest Observation: 1.21 ft at 8:00PM Sep 13, 2019Highest Observation: 1.21 ft at 9:00PM Sep 13, 2019Highest Observation: 1.21 ft at 10:00PM Sep 13, 2019Highest Observation: 1.21 ft at 11:00PM Sep 13, 2019Highest Observation: 1.21 ft at 12:00AM Sep 14, 2019Highest Observation: 1.21 ft at 1:00AM Sep 14, 2019Highest Observation: 1.21 ft at 2:00AM Sep 14, 2019Highest Observation: 1.21 ft at 3:00AM Sep 14, 2019Highest Observation: 1.21 ft at 4:00AM Sep 14, 2019Highest Observation: 1.21 ft at 5:00AM Sep 14, 2019Highest Observation: 1.21 ft at 6:00AM Sep 14, 2019Highest Observation: 1.21 ft at 7:00AM Sep 14, 2019Highest Observation: 1.21 ft at 8:00AM Sep 14, 2019Highest Observation: 1.21 ft at 9:00AM Sep 14, 2019Observed: 1.2 ft at 10:00AM Sep 14, 2019Observed: 1.2 ft at 11:00AM Sep 14, 2019Highest Observation: 1.21 ft at 12:00PM Sep 14, 2019Highest Observation: 1.21 ft at 1:00PM Sep 14, 2019Observed: 1.2 ft at 2:00PM Sep 14, 2019Observed: 1.2 ft at 3:00PM Sep 14, 2019Highest Observation: 1.21 ft at 4:00PM Sep 14, 2019Highest Observation: 1.21 ft at 5:00PM Sep 14, 2019Highest Observation: 1.21 ft at 6:00PM Sep 14, 2019Highest Observation: 1.21 ft at 7:00PM Sep 14, 2019Highest Observation: 1.21 ft at 8:00PM Sep 14, 2019Highest Observation: 1.21 ft at 9:00PM Sep 14, 2019Highest Observation: 1.21 ft at 10:00PM Sep 14, 2019Highest Observation: 1.21 ft at 11:00PM Sep 14, 2019Highest Observation: 1.21 ft at 12:00AM Sep 15, 2019Highest Observation: 1.21 ft at 1:00AM Sep 15, 2019Highest Observation: 1.21 ft at 2:00AM Sep 15, 2019Highest Observation: 1.21 ft at 3:00AM Sep 15, 2019Highest Observation: 1.21 ft at 4:00AM Sep 15, 2019Highest Observation: 1.21 ft at 5:00AM Sep 15, 2019Highest Observation: 1.21 ft at 6:00AM Sep 15, 2019Highest Observation: 1.21 ft at 7:00AM Sep 15, 2019Highest Observation: 1.21 ft at 8:00AM Sep 15, 2019Highest Observation: 1.21 ft at 9:00AM Sep 15, 2019Highest Observation: 1.21 ft at 10:00AM Sep 15, 2019Highest Observation: 1.21 ft at 11:00AM Sep 15, 2019Observed: 1.2 ft at 12:00PM Sep 15, 2019Observed: 1.2 ft at 1:00PM Sep 15, 2019Observed: 1.2 ft at 2:00PM Sep 15, 2019Highest Observation: 1.21 ft at 3:00PM Sep 15, 2019Highest Observation: 1.21 ft at 4:00PM Sep 15, 2019Highest Observation: 1.21 ft at 5:00PM Sep 15, 2019Highest Observation: 1.21 ft at 6:00PM Sep 15, 2019Highest Observation: 1.21 ft at 7:00PM Sep 15, 2019Highest Observation: 1.21 ft at 8:00PM Sep 15, 2019Highest Observation: 1.21 ft at 9:00PM Sep 15, 2019Highest Observation: 1.21 ft at 10:00PM Sep 15, 2019Highest Observation: 1.21 ft at 11:00PM Sep 15, 2019Highest Observation: 1.21 ft at 12:00AM Sep 16, 2019Highest Observation: 1.21 ft at 1:00AM Sep 16, 2019Highest Observation: 1.21 ft at 2:00AM Sep 16, 2019Highest Observation: 1.21 ft at 3:00AM Sep 16, 2019Highest Observation: 1.21 ft at 4:00AM Sep 16, 2019Highest Observation: 1.21 ft at 5:00AM Sep 16, 2019Highest Observation: 1.21 ft at 6:00AM Sep 16, 2019Highest Observation: 1.21 ft at 7:00AM Sep 16, 2019Highest Observation: 1.21 ft at 8:00AM Sep 16, 2019Highest Observation: 1.21 ft at 9:00AM Sep 16, 2019Observed: 1.2 ft at 10:00AM Sep 16, 2019Observed: 1.2 ft at 11:00AM Sep 16, 2019Observed: 1.2 ft at 12:00PM Sep 16, 2019Observed: 1.2 ft at 1:00PM Sep 16, 2019Observed: 1.2 ft at 2:00PM Sep 16, 2019Highest Observation: 1.21 ft at 3:00PM Sep 16, 2019Highest Observation: 1.21 ft at 4:00PM Sep 16, 2019Highest Observation: 1.21 ft at 5:00PM Sep 16, 2019Observed: 1.2 ft at 6:00PM Sep 16, 2019Highest Observation: 1.21 ft at 7:00PM Sep 16, 2019Observed: 1.2 ft at 8:00PM Sep 16, 2019Highest Observation: 1.21 ft at 9:00PM Sep 16, 2019Highest Observation: 1.21 ft at 10:00PM Sep 16, 2019Highest Observation: 1.21 ft at 11:00PM Sep 16, 2019Highest Observation: 1.21 ft at 12:00AM Sep 17, 2019Highest Observation: 1.21 ft at 1:00AM Sep 17, 2019Highest Observation: 1.21 ft at 2:00AM Sep 17, 2019Highest Observation: 1.21 ft at 3:00AM Sep 17, 2019Highest Observation: 1.21 ft at 4:00AM Sep 17, 2019Highest Observation: 1.21 ft at 5:00AM Sep 17, 2019Highest Observation: 1.21 ft at 6:00AM Sep 17, 2019Highest Observation: 1.21 ft at 7:00AM Sep 17, 2019Highest Observation: 1.21 ft at 9:00AM Sep 17, 2019Observed: 1.2 ft at 10:00AM Sep 17, 2019Highest Observation: 1.21 ft at 11:00AM Sep 17, 2019Highest Observation: 1.21 ft at 12:00PM Sep 17, 2019Highest Observation: 1.21 ft at 1:00PM Sep 17, 2019Highest Observation: 1.21 ft at 2:00PM Sep 17, 2019Highest Observation: 1.21 ft at 3:00PM Sep 17, 2019Highest Observation: 1.21 ft at 4:00PM Sep 17, 2019Highest Observation: 1.21 ft at 5:00PM Sep 17, 2019Highest Observation: 1.21 ft at 6:00PM Sep 17, 2019Highest Observation: 1.21 ft at 7:00PM Sep 17, 2019Observed: 1.2 ft at 8:00PM Sep 17, 2019Observed: 1.2 ft at 9:00PM Sep 17, 2019Highest Observation: 1.21 ft at 10:00PM Sep 17, 2019Highest Observation: 1.21 ft at 11:00PM Sep 17, 2019Highest Observation: 1.21 ft at 12:00AM Sep 18, 2019Highest Observation: 1.21 ft at 1:00AM Sep 18, 2019Highest Observation: 1.21 ft at 2:00AM Sep 18, 2019Highest Observation: 1.21 ft at 3:00AM Sep 18, 2019Highest Observation: 1.21 ft at 5:00AM Sep 18, 2019Highest Observation: 1.21 ft at 6:00AM Sep 18, 2019Highest Observation: 1.21 ft at 7:00AM Sep 18, 2019Highest Observation: 1.21 ft at 8:00AM Sep 18, 2019Highest Observation: 1.21 ft at 9:00AM Sep 18, 2019Highest Observation: 1.21 ft at 10:00AM Sep 18, 2019Observed: 1.2 ft at 11:00AM Sep 18, 2019Observed: 1.2 ft at 12:00PM Sep 18, 2019Highest Observation: 1.21 ft at 1:00PM Sep 18, 2019Highest Observation: 1.21 ft at 2:00PM Sep 18, 2019Highest Observation: 1.21 ft at 3:00PM Sep 18, 2019Highest Observation: 1.21 ft at 4:00PM Sep 18, 2019Highest Observation: 1.21 ft at 5:00PM Sep 18, 2019Observed: 1.2 ft at 6:00PM Sep 18, 2019Highest Observation: 1.21 ft at 7:00PM Sep 18, 2019Highest Observation: 1.21 ft at 8:00PM Sep 18, 2019Lower Colorado River AuthorityWCHT2(plotting HGIRZ) Graph Created (8:51PM Sep 18, 2019)ObservedLatest observed value: 1.21 ft at 8:00 PM CDT 18-Sep-2019. Flood Stage is 26 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Colorado River (TX) at Winchell are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Stacy Upstream Gauge Downstream Gauge Downstream Gauge - near San Saba
Flood Categories (in feet)
Major Flood Stage: 34
Moderate Flood Stage: 30
Flood Stage: 26
Action Stage: 24
Low Stage (in feet): 0

Historic Crests
(1) 62.20 ft on 09/19/1936
(2) 56.20 ft on 08/08/1906
(3) 51.80 ft on 10/15/1930
(4) 46.37 ft on 05/19/1955
(5) 46.10 ft on 10/06/1959
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 22.77 ft on 07/03/2002
(2) 24.06 ft on 05/12/1994
(3) 33.70 ft on 12/20/1991
(4) 34.32 ft on 04/26/1990
(5) 38.04 ft on 09/10/1980
Show More Recent Crests

(P): Preliminary values subject to further review.

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
34 Major lowland flooding will occur. Secondary roads and low water crossings will be flooded.
30 Moderate lowland flooding will occur. Secondary roads and low water crossings will be flooded.
26 Minor lowland flooding will occur.
About This Location Collapse

Latitude: 31.467778° N, Longitude: 99.161944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 26 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 1264.86 ft 1290.86 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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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 Angelo Weather Forecast Office
7654 Knickerbocker Road
San Angelo, TX 76904
(325) 944-9445
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Page last modified: 1-Mar-2019 12:34 AM
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