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Hydrograph River at a Glance Download
Rio Grande at Lower Brownsville Stage (ft)Flow (cfs)Observed: 3.37 ft at 4:00AM Dec 03, 2016Observed: 3.37 ft at 4:15AM Dec 03, 2016Observed: 3.38 ft at 4:30AM Dec 03, 2016Observed: 3.38 ft at 4:45AM Dec 03, 2016Observed: 3.39 ft at 5:00AM Dec 03, 2016Observed: 3.39 ft at 5:15AM Dec 03, 2016Observed: 3.39 ft at 5:30AM Dec 03, 2016Observed: 3.39 ft at 5:45AM Dec 03, 2016Observed: 3.39 ft at 6:00AM Dec 03, 2016Observed: 3.4 ft at 6:15AM Dec 03, 2016Observed: 3.4 ft at 6:30AM Dec 03, 2016Observed: 3.4 ft at 6:45AM Dec 03, 2016Observed: 3.4 ft at 7:00AM Dec 03, 2016Observed: 3.4 ft at 7:15AM Dec 03, 2016Observed: 3.41 ft at 7:30AM Dec 03, 2016Observed: 3.4 ft at 7:45AM Dec 03, 2016Observed: 3.41 ft at 8:00AM Dec 03, 2016Observed: 3.4 ft at 8:15AM Dec 03, 2016Observed: 3.4 ft at 8:30AM Dec 03, 2016Observed: 3.4 ft at 8:45AM Dec 03, 2016Observed: 3.4 ft at 9:00AM Dec 03, 2016Observed: 3.4 ft at 9:15AM Dec 03, 2016Observed: 3.39 ft at 9:30AM Dec 03, 2016Observed: 3.4 ft at 9:45AM Dec 03, 2016Observed: 3.39 ft at 10:00AM Dec 03, 2016Observed: 3.39 ft at 10:15AM Dec 03, 2016Observed: 3.39 ft at 10:30AM Dec 03, 2016Observed: 3.37 ft at 10:45AM Dec 03, 2016Observed: 3.39 ft at 11:00AM Dec 03, 2016Observed: 3.38 ft at 11:15AM Dec 03, 2016Observed: 3.36 ft at 11:30AM Dec 03, 2016Observed: 3.36 ft at 11:45AM Dec 03, 2016Observed: 3.35 ft at 12:00PM Dec 03, 2016Observed: 3.35 ft at 12:15PM Dec 03, 2016Observed: 3.34 ft at 12:30PM Dec 03, 2016Observed: 3.34 ft at 12:45PM Dec 03, 2016Observed: 3.33 ft at 1:00PM Dec 03, 2016Observed: 3.33 ft at 1:15PM Dec 03, 2016Observed: 3.33 ft at 1:30PM Dec 03, 2016Observed: 3.32 ft at 1:45PM Dec 03, 2016Observed: 3.31 ft at 2:00PM Dec 03, 2016Observed: 3.31 ft at 2:15PM Dec 03, 2016Observed: 3.3 ft at 2:30PM Dec 03, 2016Observed: 3.29 ft at 2:45PM Dec 03, 2016Observed: 3.29 ft at 3:00PM Dec 03, 2016Observed: 3.28 ft at 3:15PM Dec 03, 2016Observed: 3.27 ft at 3:30PM Dec 03, 2016Observed: 3.26 ft at 3:45PM Dec 03, 2016Observed: 3.25 ft at 4:00PM Dec 03, 2016Observed: 3.24 ft at 4:15PM Dec 03, 2016Observed: 3.23 ft at 4:30PM Dec 03, 2016Observed: 3.22 ft at 4:45PM Dec 03, 2016Observed: 3.21 ft at 5:00PM Dec 03, 2016Observed: 3.2 ft at 5:15PM Dec 03, 2016Observed: 3.19 ft at 5:30PM Dec 03, 2016Observed: 3.18 ft at 5:45PM Dec 03, 2016Observed: 3.17 ft at 6:00PM Dec 03, 2016Observed: 3.16 ft at 6:15PM Dec 03, 2016Observed: 3.14 ft at 6:30PM Dec 03, 2016Observed: 3.13 ft at 6:45PM Dec 03, 2016Observed: 3.12 ft at 7:00PM Dec 03, 2016Observed: 3.12 ft at 7:15PM Dec 03, 2016Observed: 3.11 ft at 7:30PM Dec 03, 2016Observed: 3.1 ft at 7:45PM Dec 03, 2016Observed: 3.1 ft at 8:00PM Dec 03, 2016Observed: 3.1 ft at 8:15PM Dec 03, 2016Observed: 3.1 ft at 8:30PM Dec 03, 2016Observed: 3.1 ft at 8:45PM Dec 03, 2016Observed: 3.09 ft at 9:00PM Dec 03, 2016Observed: 3.1 ft at 9:15PM Dec 03, 2016Observed: 3.1 ft at 9:30PM Dec 03, 2016Observed: 3.11 ft at 9:45PM Dec 03, 2016Observed: 3.13 ft at 10:00PM Dec 03, 2016Observed: 3.14 ft at 10:15PM Dec 03, 2016Observed: 3.15 ft at 10:30PM Dec 03, 2016Observed: 3.17 ft at 10:45PM Dec 03, 2016Observed: 3.19 ft at 11:00PM Dec 03, 2016Observed: 3.21 ft at 11:15PM Dec 03, 2016Observed: 3.22 ft at 11:30PM Dec 03, 2016Observed: 3.24 ft at 11:45PM Dec 03, 2016Observed: 3.26 ft at 12:00AM Dec 04, 2016Observed: 3.27 ft at 12:15AM Dec 04, 2016Observed: 3.29 ft at 12:30AM Dec 04, 2016Observed: 3.31 ft at 12:45AM Dec 04, 2016Observed: 3.32 ft at 1:00AM Dec 04, 2016Observed: 3.33 ft at 1:15AM Dec 04, 2016Observed: 3.34 ft at 1:30AM Dec 04, 2016Observed: 3.34 ft at 1:45AM Dec 04, 2016Observed: 3.35 ft at 2:00AM Dec 04, 2016Observed: 3.36 ft at 2:15AM Dec 04, 2016Observed: 3.36 ft at 2:30AM Dec 04, 2016Observed: 3.36 ft at 2:45AM Dec 04, 2016Observed: 3.37 ft at 3:00AM Dec 04, 2016Observed: 3.37 ft at 3:15AM Dec 04, 2016Observed: 3.38 ft at 3:30AM Dec 04, 2016Observed: 3.37 ft at 3:45AM Dec 04, 2016Observed: 3.37 ft at 4:00AM Dec 04, 2016Observed: 3.38 ft at 4:15AM Dec 04, 2016Observed: 3.37 ft at 4:30AM Dec 04, 2016Observed: 3.38 ft at 4:45AM Dec 04, 2016Observed: 3.38 ft at 5:00AM Dec 04, 2016Observed: 3.38 ft at 5:15AM Dec 04, 2016Observed: 3.39 ft at 5:30AM Dec 04, 2016Observed: 3.39 ft at 5:45AM Dec 04, 2016Observed: 3.39 ft at 6:00AM Dec 04, 2016Observed: 3.39 ft at 6:15AM Dec 04, 2016Observed: 3.4 ft at 6:30AM Dec 04, 2016Observed: 3.4 ft at 6:45AM Dec 04, 2016Observed: 3.41 ft at 7:00AM Dec 04, 2016Observed: 3.41 ft at 7:15AM Dec 04, 2016Observed: 3.41 ft at 7:30AM Dec 04, 2016Observed: 3.41 ft at 7:45AM Dec 04, 2016Observed: 3.42 ft at 8:00AM Dec 04, 2016Observed: 3.42 ft at 8:15AM Dec 04, 2016Observed: 3.42 ft at 8:30AM Dec 04, 2016Observed: 3.42 ft at 8:45AM Dec 04, 2016Observed: 3.42 ft at 9:00AM Dec 04, 2016Observed: 3.43 ft at 9:15AM Dec 04, 2016Observed: 3.43 ft at 9:30AM Dec 04, 2016Observed: 3.43 ft at 9:45AM Dec 04, 2016Observed: 3.43 ft at 10:00AM Dec 04, 2016Observed: 3.43 ft at 10:15AM Dec 04, 2016Observed: 3.43 ft at 10:30AM Dec 04, 2016Observed: 3.43 ft at 10:45AM Dec 04, 2016Observed: 3.43 ft at 11:00AM Dec 04, 2016Observed: 3.42 ft at 11:15AM Dec 04, 2016Observed: 3.42 ft at 11:30AM Dec 04, 2016Observed: 3.42 ft at 11:45AM Dec 04, 2016Observed: 3.41 ft at 12:00PM Dec 04, 2016Observed: 3.4 ft at 12:15PM Dec 04, 2016Observed: 3.41 ft at 12:30PM Dec 04, 2016Observed: 3.4 ft at 12:45PM Dec 04, 2016Observed: 3.39 ft at 1:00PM Dec 04, 2016Observed: 3.39 ft at 1:15PM Dec 04, 2016Observed: 3.38 ft at 1:30PM Dec 04, 2016Observed: 3.38 ft at 1:45PM Dec 04, 2016Observed: 3.38 ft at 2:00PM Dec 04, 2016Observed: 3.37 ft at 2:15PM Dec 04, 2016Observed: 3.36 ft at 2:30PM Dec 04, 2016Observed: 3.35 ft at 2:45PM Dec 04, 2016Observed: 3.36 ft at 3:00PM Dec 04, 2016Observed: 3.35 ft at 3:15PM Dec 04, 2016Observed: 3.34 ft at 3:30PM Dec 04, 2016Observed: 3.33 ft at 3:45PM Dec 04, 2016Observed: 3.33 ft at 4:00PM Dec 04, 2016Observed: 3.33 ft at 4:15PM Dec 04, 2016Observed: 3.31 ft at 4:30PM Dec 04, 2016Observed: 3.31 ft at 4:45PM Dec 04, 2016Observed: 3.3 ft at 5:00PM Dec 04, 2016Observed: 3.3 ft at 5:15PM Dec 04, 2016Observed: 3.29 ft at 5:30PM Dec 04, 2016Observed: 3.28 ft at 5:45PM Dec 04, 2016Observed: 3.27 ft at 6:00PM Dec 04, 2016Observed: 3.27 ft at 6:15PM Dec 04, 2016Observed: 3.26 ft at 6:30PM Dec 04, 2016Observed: 3.26 ft at 6:45PM Dec 04, 2016Observed: 3.25 ft at 7:00PM Dec 04, 2016Observed: 3.24 ft at 7:15PM Dec 04, 2016Observed: 3.25 ft at 7:30PM Dec 04, 2016Observed: 3.24 ft at 7:45PM Dec 04, 2016Observed: 3.24 ft at 8:00PM Dec 04, 2016Observed: 3.24 ft at 8:15PM Dec 04, 2016Observed: 3.24 ft at 8:30PM Dec 04, 2016Observed: 3.23 ft at 8:45PM Dec 04, 2016Observed: 3.23 ft at 9:00PM Dec 04, 2016Observed: 3.23 ft at 9:15PM Dec 04, 2016Observed: 3.24 ft at 9:30PM Dec 04, 2016Observed: 3.24 ft at 9:45PM Dec 04, 2016Observed: 3.25 ft at 10:00PM Dec 04, 2016Observed: 3.25 ft at 10:15PM Dec 04, 2016Observed: 3.28 ft at 10:30PM Dec 04, 2016Observed: 3.29 ft at 10:45PM Dec 04, 2016Observed: 3.3 ft at 11:00PM Dec 04, 2016Observed: 3.32 ft at 11:15PM Dec 04, 2016Observed: 3.35 ft at 11:30PM Dec 04, 2016Observed: 3.37 ft at 11:45PM Dec 04, 2016Observed: 3.39 ft at 12:00AM Dec 05, 2016Observed: 3.41 ft at 12:15AM Dec 05, 2016Observed: 3.43 ft at 12:30AM Dec 05, 2016Observed: 3.45 ft at 12:45AM Dec 05, 2016Observed: 3.45 ft at 1:00AM Dec 05, 2016Observed: 3.45 ft at 1:15AM Dec 05, 2016Observed: 3.46 ft at 1:30AM Dec 05, 2016Observed: 3.47 ft at 1:45AM Dec 05, 2016Observed: 3.47 ft at 2:00AM Dec 05, 2016Highest Observation: 3.48 ft at 2:15AM Dec 05, 2016Highest Observation: 3.48 ft at 2:30AM Dec 05, 2016Highest Observation: 3.48 ft at 2:45AM Dec 05, 2016Highest Observation: 3.48 ft at 3:00AM Dec 05, 2016Highest Observation: 3.48 ft at 3:15AM Dec 05, 2016Highest Observation: 3.48 ft at 3:30AM Dec 05, 2016Observed: 3.47 ft at 3:45AM Dec 05, 2016Observed: 3.47 ft at 4:00AM Dec 05, 2016Observed: 3.46 ft at 4:15AM Dec 05, 2016Observed: 3.46 ft at 4:30AM Dec 05, 2016Observed: 3.45 ft at 4:45AM Dec 05, 2016Observed: 3.45 ft at 5:00AM Dec 05, 2016Observed: 3.44 ft at 5:15AM Dec 05, 2016Observed: 3.43 ft at 5:30AM Dec 05, 2016Observed: 3.41 ft at 5:45AM Dec 05, 2016Observed: 3.41 ft at 6:00AM Dec 05, 2016Observed: 3.4 ft at 6:15AM Dec 05, 2016Observed: 3.39 ft at 6:30AM Dec 05, 2016Observed: 3.39 ft at 6:45AM Dec 05, 2016Observed: 3.37 ft at 7:00AM Dec 05, 2016Observed: 3.37 ft at 7:15AM Dec 05, 2016Observed: 3.36 ft at 7:30AM Dec 05, 2016Observed: 3.36 ft at 7:45AM Dec 05, 2016Observed: 3.35 ft at 8:00AM Dec 05, 2016Observed: 3.36 ft at 8:15AM Dec 05, 2016Observed: 3.35 ft at 8:30AM Dec 05, 2016Observed: 3.34 ft at 8:45AM Dec 05, 2016Observed: 3.34 ft at 9:00AM Dec 05, 2016Observed: 3.33 ft at 9:15AM Dec 05, 2016Observed: 3.33 ft at 9:30AM Dec 05, 2016Observed: 3.32 ft at 9:45AM Dec 05, 2016Observed: 3.33 ft at 10:00AM Dec 05, 2016Observed: 3.32 ft at 10:15AM Dec 05, 2016Observed: 3.31 ft at 10:30AM Dec 05, 2016Observed: 3.3 ft at 10:45AM Dec 05, 2016Observed: 3.3 ft at 11:00AM Dec 05, 2016Observed: 3.29 ft at 11:15AM Dec 05, 2016Observed: 3.29 ft at 11:30AM Dec 05, 2016Observed: 3.28 ft at 11:45AM Dec 05, 2016Observed: 3.28 ft at 12:00PM Dec 05, 2016Observed: 3.28 ft at 12:15PM Dec 05, 2016Observed: 3.27 ft at 12:30PM Dec 05, 2016Observed: 3.26 ft at 12:45PM Dec 05, 2016Observed: 3.26 ft at 1:00PM Dec 05, 2016Observed: 3.25 ft at 1:15PM Dec 05, 2016Observed: 3.24 ft at 1:30PM Dec 05, 2016Observed: 3.23 ft at 1:45PM Dec 05, 2016Observed: 3.23 ft at 2:00PM Dec 05, 2016Observed: 3.23 ft at 2:15PM Dec 05, 2016Observed: 3.22 ft at 2:30PM Dec 05, 2016Observed: 3.22 ft at 2:45PM Dec 05, 2016Observed: 3.21 ft at 3:00PM Dec 05, 2016Observed: 3.2 ft at 3:15PM Dec 05, 2016Observed: 3.19 ft at 3:30PM Dec 05, 2016Observed: 3.19 ft at 3:45PM Dec 05, 2016Observed: 3.19 ft at 4:00PM Dec 05, 2016Observed: 3.18 ft at 4:15PM Dec 05, 2016Observed: 3.17 ft at 4:30PM Dec 05, 2016Observed: 3.17 ft at 4:45PM Dec 05, 2016Observed: 3.17 ft at 5:00PM Dec 05, 2016Observed: 3.16 ft at 5:15PM Dec 05, 2016Observed: 3.15 ft at 5:30PM Dec 05, 2016Observed: 3.14 ft at 5:45PM Dec 05, 2016Observed: 3.13 ft at 6:00PM Dec 05, 2016Observed: 3.13 ft at 6:15PM Dec 05, 2016Observed: 3.12 ft at 6:30PM Dec 05, 2016Observed: 3.12 ft at 6:45PM Dec 05, 2016Observed: 3.11 ft at 7:00PM Dec 05, 2016Observed: 3.11 ft at 7:15PM Dec 05, 2016Observed: 3.11 ft at 7:30PM Dec 05, 2016Observed: 3.1 ft at 7:45PM Dec 05, 2016Observed: 3.1 ft at 8:00PM Dec 05, 2016Observed: 3.09 ft at 8:15PM Dec 05, 2016Observed: 3.08 ft at 8:30PM Dec 05, 2016Observed: 3.08 ft at 8:45PM Dec 05, 2016Observed: 3.07 ft at 9:00PM Dec 05, 2016Observed: 3.07 ft at 9:15PM Dec 05, 2016Observed: 3.06 ft at 9:30PM Dec 05, 2016Observed: 3.07 ft at 9:45PM Dec 05, 2016Observed: 3.06 ft at 10:00PM Dec 05, 2016Observed: 3.06 ft at 10:15PM Dec 05, 2016Observed: 3.07 ft at 10:30PM Dec 05, 2016Observed: 3.08 ft at 10:45PM Dec 05, 2016Observed: 3.08 ft at 11:00PM Dec 05, 2016Observed: 3.09 ft at 11:15PM Dec 05, 2016Observed: 3.09 ft at 11:30PM Dec 05, 2016Observed: 3.1 ft at 11:45PM Dec 05, 2016Observed: 3.11 ft at 12:00AM Dec 06, 2016Observed: 3.12 ft at 12:15AM Dec 06, 2016Observed: 3.13 ft at 12:30AM Dec 06, 2016Observed: 3.15 ft at 12:45AM Dec 06, 2016Observed: 3.15 ft at 1:00AM Dec 06, 2016Observed: 3.16 ft at 1:15AM Dec 06, 2016Observed: 3.17 ft at 1:30AM Dec 06, 2016Observed: 3.18 ft at 1:45AM Dec 06, 2016Observed: 3.19 ft at 2:00AM Dec 06, 2016Observed: 3.2 ft at 2:15AM Dec 06, 2016Observed: 3.2 ft at 2:30AM Dec 06, 2016Observed: 3.21 ft at 2:45AM Dec 06, 2016Observed: 3.21 ft at 3:00AM Dec 06, 2016Observed: 3.22 ft at 3:15AM Dec 06, 2016Observed: 3.22 ft at 3:30AM Dec 06, 2016Observed: 3.22 ft at 3:45AM Dec 06, 2016Observed: 3.23 ft at 4:00AM Dec 06, 2016Observed: 3.22 ft at 4:15AM Dec 06, 2016Observed: 3.23 ft at 4:30AM Dec 06, 2016Observed: 3.23 ft at 4:45AM Dec 06, 2016Observed: 3.23 ft at 5:00AM Dec 06, 2016Observed: 3.23 ft at 5:15AM Dec 06, 2016Observed: 2.8 ft at 9:15AM Dec 07, 2016Observed: 2.85 ft at 9:30AM Dec 07, 2016Observed: 2.85 ft at 9:45AM Dec 07, 2016Observed: 2.85 ft at 10:00AM Dec 07, 2016Observed: 2.85 ft at 10:15AM Dec 07, 2016LOBT2(plotting HGIRG) Graph Created (3:45AM Dec 8, 2016)ObservedLatest observed value: 2.85 ft at 10:15 AM CST 7-Dec-2016. Flood Stage is 27 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Rio Grande at Lower Brownsville are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - near San Benito Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 29
Moderate Flood Stage: 28
Flood Stage: 27
Action Stage: 24
Low Stage (in feet): 0

Historic Crests
(1) 31.48 ft on 10/08/1945
(2) 31.43 ft on 07/06/1973
(3) 30.77 ft on 10/19/1971
(4) 30.01 ft on 09/24/1973
(5) 29.59 ft on 10/01/1973
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 24.19 ft on 06/06/2015 (P)
(2) 25.79 ft on 09/21/2010
(3) 25.93 ft on 09/15/2010
(4) 25.62 ft on 08/04/2010
(5) 25.50 ft on 07/29/2010
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
29 Major flooding covers the flood plain inside the levees - flow approaches lowest homes upstream in Brownsville - low roads and bridges near the river are flooded and become dangerous - flood prone residents should monitor NOAA weather radio for developing heavy rain and flooding
27 Moderate lowland flooding covers much of the flood plain inside the levees - lowest secondary roads and low bridges are flooded near the river - property including irrigation pumps, farm equipment, and livestock should be moved out of the flood plain. Lowest homes are threatened.
26 The river is into the lowest areas of the flood plain inside of the levees - no significant damage occurs at this level but flood prone residents or property owners should monitor the level of the river
24 The river exceeds the lowest sections of the banks inside the levees
About This Location Collapse

Latitude: 25.876389° N, Longitude: 97.455556° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 27 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 0 ft 27 ft 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
Brownsville Weather Forecast Office
20 South Vermillion Road
Brownsville, TX 78521
(956) 504-1432
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Page last modified: 13-Aug-2015 1:56 AM
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